US Pat. No. 10,656,625

METHOD AND APPARATUS FOR PRESERVING STRUCTURAL INTEGRITY OF 3-DIMENSIONAL MODELS WHEN PRINTING AT VARYING SCALES

ADOBE INC., San Jose, CA...

11. A system for preserving structural integrity of three-dimensional (3-D) models when printing at varying scales comprising:memory comprising a cueing model comprising structural features extracted from a 3-D model at a first scale;
at least one processor; and
at least one non-transitory computer readable storage medium storing instructions that, when executed by the at least one processor, cause the system to:
generate a 3-D test model of the 3-D model by scaling the 3-D model to a second scale, the second scale differing from the first scale;
extract structural features from the 3-D test model that represent structural aspects of the 3-D test model;
compare the extracted structural features of the 3-D test model with the structural features of the cueing model to identify one or more structural features of the 3-D test model that differs beyond a predetermined threshold from corresponding structural features of the cueing model;
adjust the one or more structural features of the 3-D test model such that the one or more structural features of the 3-D test model do not differ beyond the predetermined threshold from the corresponding structural features of the cueing model; and
provide the 3-D test model with the adjusted one or more structural features for printing.

US Pat. No. 10,656,624

IDENTIFY A MODEL THAT MATCHES A 3D OBJECT

Hewlett-Packard Developme...

1. An apparatus comprising:a hardware processor;
a machine readable storage medium on which is stored machine readable instructions that are to cause the hardware processor to:
access a first scanned image, wherein the first scanned image corresponds to a scanned first feature of a three-dimensional (3D) object;
perform a search for models matching the 3D object based upon the first scanned image;
identify, from the search, a first set of candidate models;
identify, from the first set of candidate models, a general identity of the 3D object;
determine, based upon the identified general identity of the 3D object, a second feature of the 3D object that is to be scanned;
output an instruction to obtain a second scanned image of the determined second feature of the 3D object;
access the second scanned image:
refine the first set of candidate models to a second set of candidate models based upon the accessed second scanned image; and
output the second set of candidate models.

US Pat. No. 10,656,623

ADDITIVE MANUFACTURING EVALUATION SYSTEMS AND METHODS

The United States of Amer...

1. A system for determining the calibrated accuracy of a first additive manufacturing (AM) machine and a second AM machine, comprising:a first build plate of the first AM machine including a plurality of coordinate positions;
a first print head of the AM machine configured to deposit material at any of the plurality of coordinate positions on the first build plate to form at least one of a first reference standard article at a first coordinate position of the first build plate, a second reference standard article at a second coordinate position of the first build plate, a third reference standard article at a third coordinate position of the first build plate, and a fourth reference standard article at a fourth coordinate position of the first build plate;
a second build plate of the second AM machine including the plurality of coordinate positions;
a second print head of the second AM machine configured to deposit material at any of the plurality of coordinate positions on the second build plate to form at least one of the first reference standard article at a first coordinate position of the second build plate, the second reference standard article at a second coordinate position of the second build plate, the third reference standard article at a third coordinate position of the second build plate, and the fourth reference standard article at a fourth coordinate position of the second build plate;
a computing device operably coupled to the first and second AM machines; and
an evaluation device operably coupled to the computing device, the evaluation device being configured to measure each surface of any of the first, second, third, and fourth reference standard articles formed by the first AM machine and any of the first, second, third, and fourth reference standard articles formed by the second AM machine, and the computing device being configured to provide an output about the calibrated accuracy of the first and second AM machines based on the measured surfaces of the first, second, third, and fourth reference standard articles formed by the first and second AM machines, and the computing device being configured to provide a comparison output comparing the output about the calibrated accuracy of the first AM machine and the output about the calibrated accuracy of the second AM machine, wherein the computing device uses the comparison output to determine differences between, the first, second, third and fourth reference standard articles formed by the first and second AM machines based the comparison output to calibrate at least the second AM machine to reduce differences between the first and second AM machine outputs.

US Pat. No. 10,656,622

GENERATING OPTIMIZED TOOL PATHS AND MACHINE COMMANDS FOR BEAM CUTTING TOOLS

OMAX Corporation, Kent, ...

1. A method implemented by a computing system for generating a tool path to cause a target waterjet cutting tool to perform a cutting project on a workpiece of a distinguished material, the method comprising:accessing a cutting model based at least in part on an identification of the distinguished material, wherein the cutting model indicates one or more relations each adapted to predict an aspect of a waterjet's effect on a workpiece based at least in part on one or more variables independent of a geometric shape of the workpiece, the one or more relations having been established using a plurality of cutting test observations selected from a multiplicity of cutting test observations, each of the multiplicity of cutting test observations corresponds to a cutting test that was performed on an identified material, the plurality of cutting test observations selected based at least in part on their identified material being the same as or similar to the distinguished material;
generating a tool path for the cutting project based, at least in part, on applying the cutting model to a target geometry associated with the cutting project;
processing the tool path in accordance with one or more constraints or features of the target waterjet tool to generate a machine-limited tool path; and
causing the machine-limited tool path to be sent to the target waterjet cutting tool to enable the target waterjet cutting tool to perform cutting on the workpiece.

US Pat. No. 10,656,621

INFORMATION PROCESSING DEVICE

Fanuc Corporation, Yaman...

1. A numerical controller for simulating and controlling an operation of a tool based on a machining program, the device comprising:a processor configured to:
store, in a memory device, at least information relating to a workpiece;
carry out a simulation process of reproducing a positional relationship between the tool and the workpiece in a virtual space based on the information relating to the workpiece and the machining program;
calculate, based on a result of the simulation process, an amount of removal of the workpiece by each block included in the machining program, the amount of removal being calculated on a per-block basis; and
display, on a display device, each of the blocks included in the machining program in a machining program display field in a respective display mode, the respective display mode for each of the blocks is determined by comparing the amount of removal for each of the blocks to at least one threshold indicating a predetermined amount of removal,
wherein the processor is further configured to identify, for each block included in the machining program, a block that acts as a factor causing the amount of removal of the workpiece within the block from the blocks of the machining program on the basis of the machining program and the result of the simulation process, and
wherein when the machining program is displayed, the processor is further configured to display on the display device the block acting as the factor causing the amount of removal of the workpiece by the block included in the machining program in a display mode in which the block acting as the factor causing the amount of removal of the workpiece is allowed to be distinguished from other blocks.

US Pat. No. 10,656,620

MOTOR CONTROL DEVICE

FANUC CORPORATION, Yaman...

1. A motor control device for controlling a spindle motor which rotationally drives a tool or workpiece in a machine tool, the motor control device comprising:a moving average filter which moving averages a torque command value or drive current value of the spindle motor for averaging time, and generates averaged load information of the spindle motor; and
an averaging time calculation unit which calculates, as the averaging time of the moving average filter, a first time of an integral multiple of a period of one rotation of the spindle driven by the spindle motor, or in a case of the spindle rotationally driving a tool, a second time of an integral multiple of a value arrived at by dividing the period of one rotation of the spindle by a number of cutting tooth of a tool held by the spindle.

US Pat. No. 10,656,619

MOUNTING BOARD MANUFACTURING SYSTEM AND MOUNTING BOARD MANUFACTURING METHOD

PANASONIC INTELLECTUAL PR...

1. A mounting board manufacturing system comprising:a component placer including a placing head having a holding tool that holds a component and places the component on a board, and a placing head mover that moves the placing head to a target position for placing the component held by the holding tool at a component placement position of the board;
an inspector that inspects a placement position of the component placed on the board by imaging the board on which the component is placed by the component placer;
a correction value calculator that calculates a correction value for correcting the target position using an inspection result obtained by the inspector, and updates the correction value using a new inspection result when the new inspection result is obtained;
a target position calculator that calculates the target position using the correction value; and
a correction value changer that changes a latest correction value used immediately before stopping an operation of the component placer to a correction value different from the latest correction value when a time from a stop of the operation until the operation is resumed by the component placer exceeds a predetermined stop time and the component is to be placed by the component placer.

US Pat. No. 10,656,618

NUMERICAL CONTROLLER

Fanuc Corporation, Yaman...

1. A numerical controller that controls a machine tool including an imaging device capable of outputting three-dimensional coordinates of a designated position in a captured image and a measuring probe that measures physical quantity related to a shape of an installed workpiece, the numerical controller comprising:a user interface unit that displays the image captured by the imaging device and accepts operation of designating an index point in the image, which is an index used when the measuring probe measures the physical quantity related to the shape of the workpiece;
a program generation unit that analyzes the image and coordinates of the index point, narrows down measurement item candidates related to measurement of the workpiece based on an analysis result, and generates a program for giving an instruction on operation of measuring the workpiece by the measuring probe based on three-dimensional coordinates of the index point and a measurement item selected from the measurement item candidates;
an execution unit that executes the program to maneuver the measuring probe relative to the workpiece to measure the physical quantity related to the shape of the workpiece; and
a measurement program storage unit that stores general-purpose measurement programs corresponding to a plurality of measurement items,
wherein the program generation unit generates a program for giving an instruction on operation of measuring the workpiece so as to call a general-purpose measurement program corresponding to the measurement item selected from the measurement item candidates, from the measurement program storage unit,
wherein the index point includes at least an approach point that is an initial position of the measuring probe when the measuring probe measures the workpiece and an auxiliary point that designates a direction of a measurement portion of the workpiece as viewed from the approach point, and
wherein the program generation unit narrows down the measurement item candidates related to the measurement of the workpiece by analyzing the image and coordinates of the approach point and the auxiliary point to examine the shape of the workpiece between the approach point and the auxiliary point.

US Pat. No. 10,656,617

MEASUREMENT DEVICE FOR MACHINING CENTER

FARO TECHNOLOGIES, INC., ...

1. A computer numerical control (CNC) machining center comprising:a spindle configured to receive a cutting tool having a tool mount;
a tool magazine for receiving the tool mount of the cutting tool and storing the cutting tool;
a work surface operably arranged adjacent the spindle;
a non-contact three-dimensional (3D) measurement device operably coupled to the machining center, the 3D measurement device including a projector having a light source and at least one device camera arranged in a fixed geometric relationship, the at least one camera being arranged to receive light from the light source that is reflected off of a surface, and a measurement device tool mount configured to enable storage of the non-contact three-dimensional (3D) measurement device in the tool magazine;
a plurality of targets, at least one of the targets being coupled to the non-contact 3D measurement device, wherein each of the plurality of targets is disposed on a plane that is retractable into an enclosure or behind a shield;
at least two photogrammetry cameras having a predetermined orientation and a field of view to acquire images of the plurality of targets; and
a controller coupled for communication to the non-contact 3D measurement device and the at least two photogrammetry cameras, the controller having a processor that is responsive to executable computer instructions for determining the position of the non-contact 3D measurement device within the machining center.

US Pat. No. 10,656,616

CONTROL DEVICE, CONTROL SYSTEM, AND RECORDING MEDIUM

OMRON Corporation, Kyoto...

1. A control device for performing position control of a controlled object by giving a command value and a compensation command to a drive device that drives the controlled object, the control device comprising:a first identification device configured to:
give a command for moving the controlled object in a first direction at a predetermined speed and a command for moving the controlled object in a second direction different from the first direction at the predetermined speed to the drive device, the drive device being configured to calculate an amount of operation of the controlled object on the basis of the command value from the control device and a feedback value from the controlled object, to correct the calculated amount of operation on the basis of the compensation command from the control device, and to give the corrected amount of operation to the controlled object; and
determine a first compensation value in the first direction on the basis of a torque required for a movement in the first direction and determine a second compensation value in the second direction on the basis of the torque required for the movement in the second direction;
a second identification device configured to:
give a command for changing the controlled object from a state of moving in the second direction to a state of stopping to the drive device and give a command for reversing the moving direction of the controlled object to the first direction to the drive device; and
determine a preceding switching time on the basis of a time required from when the compensation command is given to the drive device until a direction of a change over time of the feedback value from the controlled object;
a command value updating device configured to sequentially update the command value which is given to the drive device on the basis of a predetermined target trajectory; and
a compensation command updating device configured to sequentially update the compensation command given to the drive device on the basis of the command value given to the drive device,
wherein the compensation command updating device updates a value of the compensation command to a value corresponding to a moving direction after a reversal of the moving direction of the controlled object in the target trajectory when the reversal is advanced by the preceding switching time.

US Pat. No. 10,656,615

PLC, NETWORK UNIT, CPU, AND DATA TRANSFER METHOD

MITSUBISHI ELECTRIC CORPO...

1. A programmable logic controller (PLC) comprising a central processing unit (CPU), network circuitry, and a shared memory readable and writable by the CPU and the network circuitry, whereinthe shared memory includes a first data area and a second data area,
the network circuitry includes
a received-data writer to (i) record first data in the first data area when a flag is set indicating that a write to the first data area is allowed, the first data being data for which data consistency is to be guaranteed among received data that is received from a device connected via a network, and (ii) record second data in the second data area, the second data being data for which real-timeliness is to be guaranteed among the received data, and
the CPU includes
a storage,
a first transferrer to read the first data from the first data area and transfer the first data to the storage at an interval of a first transfer period when the flag is set indicating that a read from the first data area is allowed, and
a second transferrer to read the second data from the second data area and transfer the second data to the storage at an interval of a second transfer period that is different from the first transfer period.

US Pat. No. 10,656,614

TOOL MANAGEMENT SYSTEM

TRL ENTERPRISES, LLC, As...

1. A system for managing a plurality of tools, the system comprising:(a) a first tool retention unit for storing and monitoring a first toolset, the first tool retention unit comprising a first set of sensors, each of the first set of sensors detecting the presence of a designated tool from the first toolset;
(b) a second tool retention unit for storing and monitoring a second toolset, the second tool retention unit operating independently of the first tool retention unit, the second tool retention unit comprising a second set of sensors, each of the second set of sensors detecting the presence of a designated tool from the second toolset;
(c) a common housing in which the first and second tool retention units are stored; and
(d) a central controller in electronic communication with the first and second tool retention units, the central controller compiling tool monitoring data from the first and second tool retention units,
(e) wherein the first tool retention unit comprises a first unit controller in electronic communication with the first set of sensors, the first unit controller being adapted to receive signals from the first set of sensors to monitor the first toolset, wherein the second tool retention unit comprises a second unit controller in electronic communication with the second set of sensors, the second unit controller being adapted to receive signals from the second set of sensors to monitor the second toolset, the first and second unit controllers being in electronic communication with the central controller.

US Pat. No. 10,656,612

SAFETY UNIT AND AN IMPROVED SAFETY SYSTEM COMPRISING A NUMBER OF SAFETY UNITS

SSPN SAFETY SYSTEM PRODUC...

20. A programmable safety unit for externally monitoring and controlling safety functions in a hazardous environment including a gate for a person to access to a hazardous machine or hazardous process in the hazardous environment, comprising:a programmable safety module configured to monitor and control the complete safety functions of the gate, and configured to stop the hazardous machine or hazardous process to prevent an accident to the person;
a connection part; and
at least two connections to the safety unit such that encapsulation requirements of an installation are fulfilled, the at least two connections being programmable as safe inputs and/or outputs for direct connection to at least a number of the complete safety functions for the gate, and at least one of the inputs and/or outputs is configured to detect at least one of a short circuit or a wrong connection; and
wherein the programmable safety module and the connection part interconnect such that encapsulation and interconnection is provided that fulfills installation and encapsulation requirements of the instillation, and such that the programmable safety module and the connection part are configured to be mounted, demounted, and replaced;
the programmable safety unit handles all safety related signals to and from the safety functions; and
the programmable safety unit is configured to mount externally to the hazardous environment.

US Pat. No. 10,656,611

PROGRAMMABLE CONTROLLER

FANUC CORPORATION, Yaman...

1. A programmable controller configured to execute a plurality of ladder programs, the programmable controller comprising:a processor configured to
extract an available address setting table embedded in each of the plurality of ladder programs, the available address setting table defining a range of consecutive signal addresses used as signal write destinations by the respective ladder program,
determine whether there is an overlap between the respective ranges of consecutive signal addresses used as the signal write destinations by the plurality of ladder programs, based on the available address setting tables,
execute the plurality of ladder programs in response to determining that there is no overlap between the respective ranges of consecutive signal addresses used as the signal write destinations by the plurality of ladder programs, and
in response to determining that there is overlap between the respective ranges of consecutive signal addresses used as the signal write destinations by the plurality of ladder programs,
stop the execution of the plurality of ladder programs, and
output information on the plurality of ladder programs including the overlapping ranges of consecutive signal addresses.

US Pat. No. 10,656,610

WEB-BASED CONTROLLER FOR ELECTRONICS

1. A system for controlling a remote electronics system, the system comprising:a configuration device;
a venue device associated with a venue, said venue device in electronic communication with the configuration device via the Internet;
a user device associated with a user, said user device in electronic communication with the configuration device via the Internet;
a storage device storing configuration information relating to communication channels used by each piece of venue equipment included in a list of venue equipment, wherein said storage device is in electronic communication with the configuration device;
wherein said configuration device:
accepts, as an input from the venue device, at least one piece of venue equipment from the list of venue equipment;
accesses said configuration information relating to the communication channels used by the at least one piece of venue equipment from the storage device;
accepts, as an input from the user device, at least one generalized instruction for a piece of venue equipment, wherein said generalized instruction is agnostic as to which venue equipment was selected as the at least one piece of venue equipment from the list of venue equipment, wherein said generalized instruction includes a plurality of constituent components;
accepts, from the user device via the Internet, a selection of a venue;
when the selected venue is the venue associated with the venue device, creates at least one instruction specific to the at least one piece of venue equipment from the at least one generalized instruction by:
rearranging each constituent component of the plurality of constituent components of the generalized instruction into a position of a corresponding communication channel used by the at least one piece of venue equipment according to the configuration information accessed from the storage device; and
at least one of:
adjusting a value of one or more of the plurality of constituent components of the generalized instruction based on a value range restriction imposed by the at least one piece of venue equipment, and
adjusting a value of one or more of the plurality of constituent components of the generalized instruction based on a direction restriction imposed by the at least one piece of venue equipment; and
transmits the at least one specific instruction to the venue device via the Internet;
wherein the venue device uses the at least one specific instruction to control the at least one piece of venue equipment.

US Pat. No. 10,656,609

PLUG-AND-PLAY RECONFIGURABLE ELECTRIC POWER MICROGRIDS

Massachusetts Institute o...

1. A method of controlling a component which receives an input signal and produces an output signal comprising:(a) in response to a change in the input signal, generating a first value corresponding to a disturbance value (m), a second value corresponding to a rate of change to the disturbance value (m), a third value corresponding to a second voltage quantity (Vq);
(b) in response to receiving the first, second, and third values:
(b1) generating a reference power point (pref) corresponding to an amount of power to be produced to maintain a voltage within a predetermined voltage range about a reference voltage (Vref); and
(b2) generating a feedback signal needed to stabilize electrical power produced by the component to produce the value of the reference power point pref.

US Pat. No. 10,656,608

SMART POWER CORD AND FACILITY DEVICE MANAGEMENT SYSTEM

ANACOVE, LLC, La Jolla, ...

1. A smart power cord, comprising:a power input connector configured to be detachably coupled to a power source;
a power output connector configured to be detachably coupled to a device;
a cable coupled to said power input connector and to said power output connector, comprising
one or more conductors that transmit power from said power source to said device; and
a jacket surrounding said one or more conductors;
a monitoring and control element integrated into said cable, lying within said jacket, and
comprising
one or more sensors comprising
a current sensor that measures a current flowing through said one or more conductors;
a memory comprising an identifier;
a switch coupled to one or more of said one or more conductors and configured to open or close;
a first wireless transceiver configured to transmit and receive over a first wireless network;
a second wireless transceiver configured to transmit and receive over a second wireless network different from said first wireless network;
a processor coupled to said one or more sensors, to said memory, to said switch, to said first wireless transceiver, and to said second wireless transceiver, and configured to
connect to a server over said first wireless network;
receive sensor data from said one or more sensors, said sensor data comprising said current;
tag said sensor data with said identifier;
transmit said sensor data to said server over said first wireless network;
receive a power command from said server over said first wireless network;
open or close said switch based on said power command;
connect to one or more local devices over said second wireless network;
receive local device data from said one or more local devices over said second wireless network;
forward said local device data to said server over said first wireless network;
receive one or more local device commands from said server over said first wireless network; and,
forward said one or more local device commands to said one or more local devices over said second wireless network.

US Pat. No. 10,656,607

SYSTEMS AND METHODS FOR INTELLIGENT AUTOMATION CONTROL SERVICES

Cox Communications, Inc, ...

1. A method for automation control comprising:accessing, by a computing system comprising at least one memory device and at least one processor, one or more information streams from a group of agents associated with an operational environment;
determining, by the computing system and based at least on one of the one or more information streams, intelligence associated with a first model of a first behavior of a first agent of the group of agents in proximity to the operational environment, the first model based at least on activity of the first agent within the operational environment;
determining, by the computing system and based at least on at least the determined intelligence, the first behavior of the first agent;
generating, by the computing system, a first control operation based at least on the determined first behavior of the first agent, the first control operation being associated with an automation control asset configured to direct operation, via a first configuration of tasks, of at least one agent of the group of agents in providing a first automation control service, wherein the automation control asset comprises at least one of an aide asset, a deejay asset, or an assistant asset;
determining, by the computing system and based at least on at least the determined intelligence, a second automation control service based on adding a supplemental automation control service to the first automation control service within the operational environment, wherein adding the supplemental automation control service to the first automation control service is based on a first recommendation associated with the automation control asset;
generating, by the computing system, a second control operation associated with the automation control asset configured to direct operation, via a second configuration of tasks, of at least a second agent of the group of agents in providing the second automation control service; and
generating, by the computing system, a third configuration of tasks based on the first configuration of tasks and the second control operation.

US Pat. No. 10,656,606

SYSTEM AND METHOD FOR CONTROLLING RAMP IMBALANCES IN MODEL PREDICTIVE CONTROLLERS

Shell Oil Company, Houst...

1. A method for controlling ramp imbalances in a model predictive controller by allowing temporary relaxation of ramp imbalance constraints when within limits to better control a petrochemical process, comprising:determining user specified settings comprising minimum/maximum allowed ramp rates (?inmin??inmax), time to balance (tbal), and set-point recovery rate (?r);
determining a change (?) in current ramp imbalance induced by changes in one or more external disturbance affecting one or more ramp variables;
modifying low (ylo,sp) and high (yhi,sp) set-point limits in accordance with ylo,sp=ylo,sp+min(tbal?,0) and yhi,sp=yhi,sp+max(0,tbal?);
determining soft-landing ramp limit time constants (Tlo and Thi) based on ramp limits (ylo and yhi) and the user-defined minimum/maximum allowed ramp rates in accordance with Tlo=max(Tmin,(ylo?y)/?inmin) and Thi=max(Tmin,(yhi?y)/?inmax) where y is a current ramp and Tmin is a minimum time constant that determines how fast the ramp rate may be driven to zero;
determining soft-land set-point limit time constants (Tlo,sp and Thi,sp) in accordance with Tlo,sp=max(Tmin,(ylo,sp?y)/?inmin) and Thi,sp=max(Tmin,(yhi,sp?y)/?inmax);
determining imbalance ramp rate constraints (?min,ss and ?max,ss) in accordance with ?min,ss=(ylo?y)/max(Tlo,h) and ?max,ss=(yhi?y)/max(Thi,h) where h is the dynamic control horizon;
determining imbalance set-point ramp rate constraints (?min,sp,ss and ?max,sp,ss) in accordance with ?min,sp,ss=(ylo,sp?y)/max(Tlo,sp,h) and ?max,sp,ss=(yhi,sp?y)/max(Thi,sp,h);
resolving static control process problem by imposing the determined imbalance ramp rate constraints (?min,ss and ?max,ss) at a priority higher than the ramp limits (ylo and yhi) and imposing the determined imbalance set-point ramp rate constraints (?min,sp,ss and ?max,sp,ss) at a priority higher than the ramp set point limits (ylo,sp and yhi,sp);
updating constraints for the ramp limits (ylo and yhi) in accordance with ylo?yk+Tlo?k and yk+Thi?k?yhi where k is a prediction time and ?k is a ramp rate at the prediction time;
updating constraints for the set-point limit trajectories in accordance with ylo,sp,k?yk+Tlo,sp?k and yk+Thi,sp?k?yhi,sp,k where set-point limit trajectories (ylo,sp,k and yhi,sp,k) are defined as ylo,sp,k=min(ylo,sp+k?r,ysp) and yhi,sp,k=max(yspyhi,sp?k?r);
resolving a dynamic control process problem using said updates; and
controlling the ramp imbalances in the model predictive controller by said ramp imbalance constraints to better control the petrochemical process.

US Pat. No. 10,656,605

RECURRENT NEURAL NETWORKS FOR ONLINE SEQUENCE GENERATION

Google LLC, Mountain Vie...

1. A system for generating a target sequence comprising a plurality of outputs arranged according to an output order from a source sequence comprising a plurality of inputs arranged according to an input order, the system comprising:a recurrent neural network, wherein the recurrent neural network is configured to, at each of a plurality of time steps:
receive a recurrent neural network input for the time step comprising a current input for the time step and a most recently emitted output from the target sequence; and
process the recurrent neural network input to generate (i) a progress score and (ii) a set of output scores; and
a subsystem, wherein the subsystem is configured to, at each of the plurality of time steps:
generate the recurrent neural network input for the time step and provide the recurrent neural network input as input to the recurrent neural network;
determine, from the progress score, whether or not to emit a new output at the time step; and
in response to determining to emit a new output:
select an output using the output scores; and
emit the selected output as the output at a next position in the output order.

US Pat. No. 10,656,604

SYSTEM FOR DETERMINING A RELATIVE ORIENTATION OF A DEVICE TO A USER

KONINKLIJKE PHILIPS N.V.,...

1. A system for determining an orientation of a first device relative to a user, comprising:the first device including a first orientation measuring unit comprising an accelerometer;
a second device associated with the user such that an orientation of the second device is indicative of an orientation of a body part of the user, the second device including a second orientation measuring unit comprising an accelerometer; and
a processor configured to calculate an orientation of the first device relative to the second device by comparing orientation of the first device relative to the earth with orientation of the second device relative to the earth;
wherein the first device further comprises a position measuring unit configured to measure a position of the first device relative to the second device;
wherein the system is configured to: determine a position change in the position of the first device over a time period using the position measuring unit; determine an acceleration of the first device due to the position change measured over time; and subtract the acceleration due to the position change from acceleration measurements of the accelerometers of the first orientation measuring unit and the second orientation measuring unit to determine the orientations of the first and second devices relative to the earth;
wherein the processor is configured to calculate the orientation of the first device relative to the second device by performing geometric subtraction of the orientation of the first device relative to the earth and the orientation of the second device relative to the earth.

US Pat. No. 10,656,603

METHOD AND APPARATUS FOR OPERATING MOBILE PLATFORM

SZ DJI TECHNOLOGY CO., LT...

9. An apparatus for operating a mobile platform, comprising:a sensor controller associated with the mobile platform and communicating with a first sensor and a second sensor, wherein the sensor controller comprises one or more processors configured to:
detect a malfunction in the first sensor indicated by an anomaly in data associated with the first sensor, the anomaly in data including noise associated with the data associated with the first sensor being greater than a predetermined noise level; and
switch to the second sensor based upon the detected malfunction.

US Pat. No. 10,656,602

POWER TOOL ACCIDENT PREVENTION

INTERNATIONAL BUSINESS MA...

1. A power tool accident prevention system receiving images from a static camera of a setup of a power tool and an operation of the power tool, the system comprising:a processor; and
a memory; the memory storing instructions to cause the processor to:
analyze the images to identify inherent dangers in both of the complete setup of the power tool and the operation of the powertool, irrespective of an environment of the power tool before the setup of the power tool by a user;
identify at least one potential cause of an accident caused by the user while operating the power tool as a result of the identified inherent dangers; and
activate an emergency safety measure of the power tool to avoid the at least one potential cause of the accident.

US Pat. No. 10,656,601

SMART WATCH AND METHOD FOR CONTROLLING SAME

LG ELECTRONICS INC., Seo...

1. A smart watch comprising:a case;
at least one hand configured to indicate current time;
a movement located inside the case and configured to move the at least one hand; and
a display unit located in the case and configured to display various kinds of information,
wherein the at least one hand is arranged to be spaced apart from a center of the case to adjoin an inner circumference of the case, and revolves around the center of the case along the inner circumference of the case to indicate the current time, and
wherein the at least one hand and a screen of the display unit are simultaneously viewable by a user.

US Pat. No. 10,656,600

DRIVE DEVICE, ELECTRONIC WATCH, AND CONTROL METHOD OF DRIVE DEVICE

CASIO COMPUTER CO., LTD.,...

1. A drive device comprising:a plurality of motors; and
a motor control processing unit that drives the plurality of motors,
wherein the motor control processing unit makes a determination as to whether a first drive period of a first motor of the plurality of motors is longer than a sum of a drive pulse length of the first motor and a drive pulse length of a second motor of the plurality of motors,
wherein the motor control processing unit drives the first motor based on the first drive period when driving the first motor and the second motor in parallel, in a case in which the motor control processing unit determines that the first drive period of the first motor is longer than the sum of the drive pulse length of the first motor and the drive pulse length of the second motor, and
wherein the motor control processing unit drives the first motor based on a second drive period that is longer than the first drive period when driving the first motor and the second motor in parallel, in a case in which the motor control processing unit determines that the first drive period of the first motor is not longer than the sum of the drive pulse length of the first motor and the drive pulse length of the second motor.

US Pat. No. 10,656,599

ELECTRONIC TIMEPIECE

SEIKO EPSON CORPORATION, ...

1. An electronic timepiece comprising:a measurement unit comprising a sensor configured to measure a predetermined measurement item;
a storage unit comprising memory configured to store measurement result information in which a measurement result obtained by the measurement unit is associated with a measurement time when the measurement result is obtained; and
a display
including a hour hand, a minute hand and a pointer separately,
wherein the display is configured to simultaneously display (1) the measurement result by the pointer and (2) the measurement time by the hour hand and the minute hand such that the measurement result and the measurement time are displayed simultaneously.

US Pat. No. 10,656,598

HOLOGRAPHIC LIGHT FIELD IMAGING DEVICE AND METHOD OF USING THE SAME

Visby Camera Corporation,...

1. A holographic light field imaging device, comprising:at least one compression array;
at least one image sensor;
wherein said at least one compression array comprises a first surface, a shuffling element, one or more encoding masks, and a projection element;
wherein light striking said first surface creates an incident light field, wherein said shuffling element is configured to shuffle the incident light field between angular and spatial dimensions of the incident light field, and wherein the one or more encoding masks are configured to scramble the incident light field;
wherein said incident light field is passed through said projection element, such that said incident light field is optically reduced from a four-dimension representation to a two-dimension representation, such that a dimensionally-reduced light field is created;
wherein said two-dimension representation of said dimensionally-reduced light field is recorded by said image sensor, such that one or more reduced two-dimensional entropic images are created, each of the one or more reduced two-dimensional entropic images encoding a representation of the incident light field; and
wherein said one or more reduced two-dimensional entropic images are processed by a computing device, which comprises a reconstruction algorithm that inverts said one or more reduced two-dimensional entropic images to reconstruct said incident light field.

US Pat. No. 10,656,597

AUTHENTICITY DETERMINATION DEVICE AND METHOD FOR SECURITY MEDIUM INCLUDING REFLECTIVE VOLUME HOLOGRAM, AND SECURITY MEDIUM INCLUDING REFLECTIVE VOLUME HOLOGRAM

Dai Nippon Printing Co., ...

1. An authenticity determination device that determines authenticity of a security medium including a reflective volume hologram, which has a selectivity range having a peak at a pre-designed diffraction wavelength, comprising:a light source disposed on a front surface side of the reflective volume hologram so that light emitted therefrom is incident on the reflective volume hologram from a pre-designed incident direction of a reproduction illumination light of the reflective volume hologram;
a first observation device disposed in a pre-designed diffraction direction of the reflective volume hologram; and
a second observation device disposed in a direction in which light emitted from the light source goes straight and is then transmitted through the reflective volume hologram, wherein
light including the pre-designed diffraction wavelength is emitted from the light source to be incident on the reflective volume hologram, and at this time, when the light amount observed in the first observation device is proportional to the selectivity range having the peak at the pre-designed diffraction wavelength of the reflective volume hologram such that the light amount is largest at the pre-designed diffraction wavelength as compared to other wavelengths adjacent to the pre-designed diffraction wavelength, and the light amount observed in the second observation device is inversely proportional to the selectivity range having the peak at the pre-designed diffraction wavelength of the reflective volume hologram such that the light amount is smallest at the pre-designed diffraction wavelength as compared to other wavelengths adjacent to the pre-designed diffraction wavelength, it is determined that the reflective volume hologram is genuine.

US Pat. No. 10,656,596

VIDEO DISPLAY AND METHOD PROVIDING VISION CORRECTION FOR MULTIPLE VIEWERS

EagleMae Ventures LLC, M...

1. A multi-view display screen system comprising:a TV display device for providing vision correction for multiple users without use of eyeglasses and for measuring room lighting where the users are located, the display device comprising
a vision correction layer, and
a holographic layer overlaid on said vision correction layer and in closer proximity to viewers of the display device than the vision correction layer;
a camera aimed at viewers of said display device and coupled to a processor for conducting facial recognition of and detecting the identity of a first user and a second user, determining a first distance between said first identified user and the display device and a second distance between said second identified user and the display device, anddetermining a first angle of view for the first identified user and a second angle of view for the second identified user,wherein said processor associates the first identified user with a first preloaded eye prescription and said first distance and associates the second identified user with a second preloaded eye prescription and said second distance;
a vision correction module for receiving a source video signal, replicating the source video signal into two or more source video signals, processing a first replicated source video signal and a second replicated source video signal in parallel,
wherein said first replicated source video signal is processed through multiple iterations to generate a first corrected video signal based on said first distance, additional data corresponding to vision preferences of said first identified user, first preloaded eye prescription, and said measured lighting,
wherein said second replicated source video signal is processed through multiple iterations to generate a second corrected video signal based on said second distance, additional data corresponding to vision preferences of said second identified user, second preloaded eye prescription, and said measured lighting,
wherein said vision correction module outputs the first corrected video signal to the vision correction layer which generates a first corrected video at a time t1, and outputs the second corrected video signal to the vision correction layer which generates a second corrected video at a time t2; and
a holographic module synchronized with the vision correction module and configured to
modulate the holographic layer at said time t1 based on said first angle and said first user identity to allow the first user to view the first corrected video while at the same time generating an adjustable desired level of interference effect to be displayed at said second angle corresponding to the second user to block in an adjustable manner and to at least partially block the first corrected video from view by the second user, and
modulate the holographic layer at said time t2 based on said second angle and said second user identity to allow the second user to view the second corrected video while at the same time generating an adjustable desired level of interference effect to be displayed at said first angle corresponding to the first user to block in an adjustable manner and to at least partially block the second corrected video from view by the first user.

US Pat. No. 10,656,595

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, DEVELOPING APPARATUS, AND COUPLING MEMBER

Canon Kabushiki Kaisha, ...

1. An image forming apparatus cartridge comprising:a casing;
developer contained within the casing;
a developer roller having an axis L1, the developer roller being rotatably supported by the casing to permit rotation about the axis L1;
a first gear operatively connected to the developer roller;
a second gear in meshing engagement with the first gear; and
a coupling member operatively connected to the second gear, the coupling member having an axis L2 about which the coupling member is rotatable and a free end portion for receiving a rotational force, the free end portion including at least two projections that are positioned at least partly outside of the casing, each of the at least two projections being open to the axis L2, and the coupling member being operatively connected to the developer roller via the first and second gears in order to be capable of transmitting of transmitting the rotational force to the developer roller,
wherein the coupling member is movable between (i) a first position in which the axis L2 of the coupling member is substantially parallel to and offset from the axis L1 of the developer roller, (ii) a second position in which the axis L2 of the coupling member is inclined with respect to the position of the axis L2 when the coupling member is in the first position, and (iii) a third position in which the axis L2 of the coupling member is inclined with respect to the position of the axis L2 when the coupling member is in the first position in a direction opposite to the direction the coupling member is inclined when in the second position.

US Pat. No. 10,656,594

IMAGE FORMING APPARATUS HAVING OPTICAL PRINT HEAD

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:a photosensitive drum configured to be rotatable relative to a main body of the image forming apparatus;
an optical print head configured to be movable from an exposure position for exposing the photosensitive drum to light to a retracted position farther away from the photosensitive drum than the exposure position;
a sliding portion configured to movably slide from a front part of the main body of the image forming apparatus to a back part of the main body along a longitudinal direction of the optical print head;
a first link member rotatably connected to the sliding portion and the optical print head;
a second link member rotatably connected to the sliding portion and the optical print head,
wherein one end side of the first link member in a longitudinal direction of the first link member is rotatably connected to a front part of the sliding portion in a longitudinal direction of the optical print head, and the other end side of the first link member in a longitudinal direction of the first link member is rotatably connected to a front part of the optical print head in a longitudinal direction of the optical print head, and the one end side of the first link member in a longitudinal direction of the first link member is positioned at a downstream side of the other end side of the first link member in the longitudinal direction of the first link member in a sliding movement direction in which the sliding portion slides, and
wherein one end side of the second link member in a longitudinal direction of the second link member is rotatably connected to a back part of the sliding portion in a longitudinal direction of the optical print head, and the other end side of the second link member in a longitudinal direction of the second link member is rotatably connected to a back part of the optical print head in a longitudinal direction of the optical print head, and the one end side of the second link member in a longitudinal direction of the second link member is positioned at a downstream side of the other end side of the second link member in a longitudinal direction of the second link member in the sliding movement direction; and
a third link member rotatably connected to the main body of the image forming apparatus and the first link member,
wherein one end side of the third link member in the longitudinal direction of the third link member is rotatably connected to the main body of the image forming apparatus at an upstream side of the one end side of the first link member in a longitudinal direction of the first link member in the sliding movement direction, and the other end side of the third link member in the longitudinal direction of the third link member is rotatably connected to the first link member at a downstream side of the one end side of the third link member in the longitudinal direction of the third link member in the sliding movement direction,
wherein the first link member, the second link member, and the third link member rotate in association with sliding movement of the sliding portion, and move the optical print head from the exposure position to the retracted position, and
wherein, when the optical print head is positioned at the retracted position, at least a part of a region where the first and the third link members overlap with each other in a pivotal axis direction being the direction of a pivotal axis of the third link member rotating relative to the first link member and the sliding portion overlap with each other in the pivotal axis direction.

US Pat. No. 10,656,593

CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:an apparatus main body including a first electrode and a positioning portion;
a cartridge being allowed to be removed from the apparatus main body and being allowed to be inserted into the apparatus main body, the cartridge including:
an image bearing member, the image bearing member configured to be rotated around a rotation axis extending in a first direction;
a developer bearing member for developing a latent image formed on the image bearing member;
a developer feeding roller configured to contact the developer bearing member;
a storage member configured to store information and including a second electrode configured to contact the first electrode, and the second electrode configured to be pressed upward by the first electrode;
a positioned portion configured to contact the positioning portion so as to be positioned; and
a first pressed portion configured to be pressed by the apparatus main body,
wherein the cartridge is configured to be inserted into the apparatus main body such that the second electrode is located in an upstream side of the first pressed portion with respect to an inserting direction of the cartridge, and
wherein in a state where the cartridge is inserted in the apparatus main body and the second electrode is pressed by the first electrode, the second electrode is located in a lower side of the rotation axis with respect to the vertical direction.

US Pat. No. 10,656,592

TONER CARTRIDGE HAVING POSITIONING FEATURES

Lexmark International, In...

1. A toner cartridge, comprising:a housing having a top, a bottom, a first side and a second side positioned between a first longitudinal end and a second longitudinal end of the housing, the housing has a reservoir for holding toner;
a photoconductive drum rotatable relative to the housing, a portion of an outer surface of the photoconductive drum is positioned along the bottom of the housing, the photoconductive drum includes a rotational axis that extends in a direction from the first longitudinal end to the second longitudinal end;
a developer roll rotatable relative to the housing and positioned to supply toner from the reservoir to the photoconductive drum;
a first drive coupler and a second drive coupler on the first longitudinal end of the housing for mating with a first corresponding drive coupler in an image forming device and a second corresponding drive coupler in the image forming device for receiving rotational motion from the first corresponding drive coupler in the image forming device and the second corresponding drive coupler in the image forming device when the toner cartridge is installed in the image forming device, the first drive coupler of the toner cartridge is operatively connected to the photoconductive drum to transfer rotational motion to the photoconductive drum and the second drive coupler of the toner cartridge is operatively connected to the developer roll to transfer rotational motion to the developer roll;
a first positioning slot on the first side of the housing for receiving a first corresponding positioning rib in the image forming device for defining an axial position of the photoconductive drum relative to the image forming device along the rotational axis when the toner cartridge is installed in the image forming device, the first positioning slot extends upward from the bottom of the housing near the second longitudinal end of the housing; and
a second positioning slot on the second side of the housing for receiving a second corresponding positioning rib in the image forming device for defining an axial position of the developer roll relative to the image forming device when the toner cartridge is installed in the image forming device, the second positioning slot extends upward from the bottom of the housing near the second longitudinal end of the housing.

US Pat. No. 10,656,591

IMAGE FORMING APPARATUS

BROTHER KOGYO KABUSHIKI K...

1. An image forming apparatus comprising:a housing having an opening;
a drum cartridge mountable and demountable through the opening, the drum cartridge having a photosensitive drum rotatable about a first axis extending in an axial direction;
a toner cartridge mountable and demountable to and from the drum cartridge, the toner cartridge being capable of accommodating toner therein;
a first cover rotatable about a second axis extending in the axial direction and rotatable between a closed position at which a part of the opening is covered and an opened position at which a part of the opening is opened; and
a second cover in alignment with the first cover in the axis direction, the second cover rotatable about the second axis and being rotatable between a closed position at which a part of the remaining of the opening is covered and an opened position at which a part of the remaining of the opening is opened,
wherein, in a state in which the first cover is located at the opened position and the second cover is located at the opened position, the drum cartridge and the toner cartridge are allowed to be mounted and demounted through the opening,
wherein, in a state in which the first cover is located at the opened position and the second cover is located at the closed position, the toner cartridge is allowed to be mounted and demounted to and from the drum cartridge through a part of the opening while the drum cartridge is remained to be mounted to the housing, and
wherein, in a state in which the first cover is located at the opened position and the second cover is located at the closed position, a part of the second cover contacts with the drum cartridge and prevents the drum cartridge to be mounted and demounted to and from the housing through a part of the opening.

US Pat. No. 10,656,590

LOCKING MECHANISM AND IMAGE FORMING APPARATUS

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:an openable and closable member that is openable and closable with respect to a main body of the image forming apparatus;
a locking member that locks the openable and closable member;
an urging member that urges the locking member; and
a solenoid including a plunger that is movable in a first direction and a second direction opposite to the first direction and engages with the locking member and urges the locking member, a coil that, when energized, moves the plunger between a first position and a second position moved from the first position in the second direction, and a magnet that exerts a magnetic force on the plunger in a non-excited state,
wherein the following expressions are satisfied:
F2 F1>M1,
where F1 is a force in the first direction with which the urging member urges the locking member when the plunger is at the first position, F2 is a force in the first direction with which the urging member urges the locking member when the plunger is at the second position, M1 is a force in the second direction acting on the plunger from the magnet when the plunger is at the first position, and M2 is a force in the second direction acting on the plunger from the magnet when the plunger is at the second position, and
wherein the following expressions are satisfied:
F1 F2+R>M2,
where E is a force generated from the coil to move the plunger in the first direction, and R is a force generated from the coil to move the plunger in the second direction.

US Pat. No. 10,656,589

MANUFACTURING METHOD FOR CARTRIDGE ATTACHABLE TO IMAGE FORMING APPARATUS AND CARTRIDGE

Canon Kabushiki Kaisha, ...

1. A cartridge comprising:a rotator;
a frame for storing developer, the frame supporting the rotator such that the rotator is rotatable, the frame including a first surface provided with a concave portion, the concave portion including a bottom portion, and the bottom portion including a second surface that is furthest from the first surface with respect to a direction perpendicular to the first surface;
a sheet member adjacent to the first surface and including an end portion abutting on the rotator so as to prevent leakage of the developer to outside of the frame from a first gap formed between the rotator and the frame, and
an adhesive member for attaching the sheet member to the frame, the adhesive member being disposed so as to cover at least part of the concave portion, and the adhesive member attached to the frame such that the adhesive member faces the second surface with a second gap being formed between the adhesive member and the second surface.

US Pat. No. 10,656,588

IMAGE FORMING APPARATUS AND CONTROL PROGRAM

Konica Minolta, Inc., Ch...

1. An image forming apparatus comprising:a sheet conveyance unit configured to include a sheet conveyance path and convey a sheet along the sheet conveyance path;
a sheet detector configured to detect the sheet in the sheet conveyance path;
a job acquiring unit configured to acquire a print job related to the sheet;
an image forming unit configured to form an image on the sheet; and
a processor configured to:
control the sheet conveyance unit to perform one of first sheet conveyance and second sheet conveyance, wherein the first sheet conveyance conveys the sheet along the sheet conveyance path in accordance with sheet information included in the print job, and the second sheet conveyance discharges the sheet to outside the image forming apparatus in accordance with a result of detection performed by the sheet detector, regardless of the sheet information, wherein
when sheet conveyance in the sheet conveyance path is resumed after a suspension, and the sheet detector detects a sheet in a section of the conveyance path, control the sheet conveyance unit to perform the second sheet conveyance on the detected sheet which remains in the sheet conveyance path and so as not to hinder the sheet conveyance resumed after suspension, and
when sheet conveyance in the sheet conveyance path is resumed after the suspension, and the sheet detector does not detect the sheet in the section of the sheet conveyance path, control the sheet conveyance unit to activate the sheet conveyance unit in the section and then determine if the sheet is detected by the sheet detector, and if the sheet is detected after activation of the sheet conveyance unit, perform the second sheet conveyance on the detected sheet which remains in the section of the sheet conveyance path and so as not to hinder the sheet conveyance resumed after suspension.

US Pat. No. 10,656,587

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS

Canon Kabushiki Kaisha, ...

1. A sheet conveying device to convey a sheet, the sheet conveying device comprising:an installation portion;
a supporting shaft;
a rotating unit configured to be removable from the installation portion and having a first end side, a second end side, a holding member, and a rotating body held by the holding member, wherein the rotating body is configured to convey the sheet by contacting the sheet and rotating, and wherein the rotating unit is supported by the supporting shaft at the first end side of the rotating unit in an axial direction of the rotating body;
a movable shaft configured to be movable in the axial direction of the rotating body, wherein the movable shaft supports the second end side of the rotating unit in the axial direction of the rotating body; and
an interlocking device configured to move the movable shaft in accordance with movement of the rotating unit in the axial direction of the rotating body,
wherein, in a case where the rotating unit is to be moved at a moving amount towards a side in which the rotating unit separates from the supporting shaft as part of removing the rotating unit from the installation portion, the interlocking device moves the movable shaft in the axial direction at a moving amount that is larger than the moving amount of the rotating unit in the axial direction.

US Pat. No. 10,656,586

IMAGE FORMING APPARATUS

Brother Kogyo Kabushiki K...

1. An image forming apparatus, comprising:a housing comprising
a first side surface having an opening portion,
a second side surface arranged on a side opposite of the first side surface, and
an upper surface, on which an ejection tray is formed;
a feeder tray arranged at a lower position in the housing, the feeder tray being configured to support a first sheet;
a multipurpose tray arranged on a side of the first side surface, the multipurpose tray being configured to support a second sheet;
a feeder comprising
a feed roller configured to contact an upper-side surface of the second sheet supported by the multipurpose tray,
a separation roller arranged on a side closer to the second side surface with respect to the feed roller, and
a separator member configured to contact the separation roller at a first nip position;
a process cartridge configured to be detachably attached to a predetermined position in the housing through the opening portion, the process cartridge comprising a photosensitive drum;
a transfer member arranged to face the photosensitive drum, the transfer member being configured to transfer a toner image carried on the photosensitive drum onto a sheet being one of the first sheet and the second sheet; and
a registration roller pair configured to adjust timing to feed the sheet to the photosensitive drum, the registration roller pair defining a second nip position,
wherein the housing includes
a first conveyer path having a first U-shaped portion disposed downstream relatively to the feeder tray in a sheet conveying direction, in which the first sheet is conveyed from the feeder tray,
a second conveyer path continuous with the first conveyer path, the second conveyer path extending toward the second side surface through the second nip position and a position between the photosensitive drum and the transfer member,
a third conveyer path continuous with the second conveyer path, the third conveyer path having a second U-shaped portion disposed downstream relatively to the second conveyer path in the sheet conveying direction and extending to the ejection tray, and
a fourth conveyer path extending from the multipurpose tray toward the second side surface, the fourth conveyer path merging into the second conveyer path;
wherein the registration roller pair is arranged at a position, in which the second nip position is located to be lower than the first nip position, and in which a tangent that contacts circumferential surfaces of paired rollers in the registration roller pair at the second nip position inclines to be lower toward the second side surface;
wherein the separation roller overlaps the tangent in a side view, and a part of the separation roller is located to be lower than the tangent; and
wherein the second conveyer path inclines to be lower toward the second side surface in a range between a merging point merging with the fourth conveyer path and the second nip position.

US Pat. No. 10,656,585

CONSUMABLE MANAGEMENT APPARATUS, CONSUMABLE MANAGEMENT SYSTEM, AND CONSUMABLE MANAGEMENT METHOD

Ricoh Company, Ltd., Tok...

1. A consumable management apparatus comprising:a detecting unit that detects a use condition of a consumable;
a storage unit that stores therein a use history of the consumable;
an analyzing circuit configured to analyze a consumption speed of the consumable based on a degree of use frequency of the consumable, the degree of use frequency being obtained from the use history of the consumable stored in the storage unit;
a predicting circuit configured to predict a replacement time of the consumable from the use condition of the consumable detected by the detecting unit and the consumption speed of the consumable analyzed by the analyzing circuit; and
a notifying circuit configured to give a notice of the replacement time of the consumable predicted by the predicting circuit,
wherein
the analyzing circuit is further configured to calculate an available remaining amount of the consumable based on a use history of a predetermined period within the use history stored in the storage unit,
the consumable management apparatus further includes a display unit that displays the available remaining amount,
the use history is a number of sheets to be printed per print job by a user in the predetermined period,
the analyzing circuit predicts a time taken to a replacement time of the consumable, based on a relationship between the number of sheets to be printed in a single print job and an operating time of the consumable needed to execute the single print job, and
the display unit displays, as the available remaining amount, the replacement time of the consumable.

US Pat. No. 10,656,584

IMAGE FORMING APPARATUS AND CONTROL METHOD

CANON KABUSHIKI KAISHA, ...

1. An image forming apparatus comprising:at least one controller, having at least one processor which executes instructions stored in at least one memory being configured to:
acquire, in a case where a predetermined interruption signal is detected while image data is transmitted to an image forming unit, first information indicating an amount of recording material to be used for performing an image forming of a part of a page, wherein the first information is stored in a register; and
notify, based on the acquired first information, the image forming unit of second information for determining an amount to be supplied to a development unit of the image forming unit.

US Pat. No. 10,656,583

IMAGE FORMING SYSTEM

FUJI XEROX CO., LTD., To...

1. An image forming system comprising:a first image forming apparatus including an image forming unit that at least forms an image of a first color; and
a second image forming apparatus including an image forming unit that forms an image of a second color different from a color of an image formed by the image forming unit of the first image forming apparatus and also including an image forming unit that forms an image of the first color,
wherein the image of the first color and the image of the second color have different contrast ratios with respect to a printing sheet desired to be printed with the images of the first color and the second color,
wherein the first image forming apparatus and the second image forming apparatus use the first color to form positional-adjustment images on the printing sheet for adjusting image formation positions between the first image forming apparatus and the second image forming apparatus.

US Pat. No. 10,656,582

IMAGE FORMING APPARATUS, NON-TRANSITORY COMPUTER READABLE MEDIUM, AND TEST CHART

FUJI XEROX CO., LTD., To...

1. A first image forming apparatus comprising:an image forming unit that forms an image onto a recording medium;
a memory that stores first correction information and second correction information, the first correction information being used for correcting misregistration between a print position in the first image forming apparatus and a print position in a second image forming apparatus when an image is formed by the first image forming apparatus and an image is subsequently formed by the second image forming apparatus, the second correction information being used for correcting misregistration between the print position in the second image forming apparatus and the print position in the first image forming apparatus when an image is formed by the first image forming apparatus, an image is subsequently formed by the second image forming apparatus, and then an image is formed by the first image forming apparatus; and
a correcting unit that corrects a position where the image is to be formed by the image forming unit in accordance with either the first correction information or the second correction information stored in the memory.

US Pat. No. 10,656,581

IMAGE FORMING APPARATUS

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:a rotatable photosensitive body;
an optical unit including a rotor configured to scan the photosensitive body with laser light from a laser light source and a rotor motor configured to drive the rotor, the optical unit configured to form an electrostatic latent image on the photosensitive body;
an image forming portion configured to form an image on a recording material based on the electrostatic latent image formed on the photosensitive body;
a human body detection sensor configured to detect a human body in a predetermined region near the image forming apparatus;
a recognition portion configured to recognize a presence of the human body in a case where a detection value from the human body detection sensor exceeds a threshold value;
a temperature sensor provided in the optical unit and configured to detect a temperature in a vicinity of the rotor;
an adjustment portion configured to adjust the threshold value;
wherein the adjustment portion adjusts the threshold value to be a first threshold value in a case where the temperature detected by the temperature sensor is a first temperature and adjusts the threshold value to be a second threshold value that is larger than the first threshold value in a case where the temperature detected by the temperature sensor is a second temperature that is higher than the first temperature,
a control unit configured to start rotation of the rotor in a case where the recognition portion recognizes the presence of the human body,
wherein the first threshold value and the second threshold value are determined based at least in part on a time required, after driving of the rotor motor is started, for a rotation speed of the rotor motor to reach a rotation speed necessary for image formation, the required time varying depending on an ambient temperature in the vicinity of the rotor.

US Pat. No. 10,656,580

IMAGE FORMING APPARATUS CONTROLLING CHARGING BIAS AND TRANSFER BIAS

Canon Kabushiki Kaisha, ...

1. An image forming apparatus, comprising:a photosensitive member that rotates;
a charging member configured to charge the photosensitive member at a charging position;
a charging bias applying portion that applies a charging bias to the charging member;
a transfer member configured to transfer a toner image borne on the photosensitive member to a transfer medium at a transfer position;
a transfer bias applying portion that applies a transfer bias to the transfer member, the transfer bias having a polarity opposite to that of the charging bias;
a bias detection portion that detects the transfer bias applied to the transfer member; and
a control portion that controls the charging bias applying portion and the transfer bias applying portion,
wherein the control portion controls the charging bias applying portion for a start of image formation such that an absolute value of a voltage applied to the charging member is a predetermined bias voltage which is lower than an absolute value of a target charging bias to be set in the image formation at a first predetermined timing in a first period from when the charging bias starts raising at the start of image formation until when the charging bias reaches the target charging bias, and
wherein the control portion controls the transfer bias applying portion such that the transfer bias to be applied to said transfer member starts raising in a second period in which a region of the photosensitive member, which passed through the charging portion during the first period, passes through the transfer portion, and an absolute value of the voltage applied to the transfer member is a predetermined transfer bias, which is lower than an absolute value of a target transfer bias to be set in a transferring period in which the toner image is transferred to the transfer medium, at second predetermined timing in the second period based on a detection result of the bias detection portion.

US Pat. No. 10,656,579

FIXING DEVICE AND IMAGE FORMING APPARATUS

KYOCERA Document Solution...

1. A fixing device comprising:a rotatable cylindrical heating belt;
a pressing roller coming into contact with an outer circumferential face of the heating belt;
a pressing member facing an inner circumferential face of the heating belt via a lubricant, the heating belt being held between the pressing roller and the pressing member; and
a cap rotating together with the heating belt,
wherein the cap has:
a disk part facing an end face of the heating belt;
a cylindrical part formed integrally with the disk part and having an inner circumferential face coming into contact with the outer circumferential face of the heating belt;
a gear formed integrally with an outer face of the disk part; and
a hole part penetrating from the inner circumferential face of the cylindrical part to a face between adjacently disposed teeth of the gear, and
the lubricant flowed from the inner circumferential face of the heating belt to the outer circumferential face of the heating belt flows to a tooth surface of the gear through the hole part.

US Pat. No. 10,656,578

FIXING DEVICE AND IMAGE FORMING DEVICE HAVING SAME

HEWLETT-PACKARD DEVELOPME...

1. A fixing device to apply pressure to a printing medium, comprising:a fixing belt arranged to be rotatable;
a rotating member to be in engagement with an outer circumferential surface of the fixing belt, to form a fixing nip between the fixing belt and the rotating member; and
a plurality of sliding members respectively arranged on both ends of the fixing belt,
wherein a circumference of an outer surface of each of the sliding members is in partial contact with an inner surface of the fixing belt.

US Pat. No. 10,656,577

ENERGY SAVINGS IN AN IMAGE FORMING APPARATUS

KABUSHIKI KAISHA TOSHIBA,...

1. An image forming apparatus, comprising:a fixation member;
a pressurization member that is pressure-contacted with the fixation member;
a heat source that heats the fixation member;
a drive unit configured to provide a drive force to the fixation member;
a measurement unit configured to measure an elapsed time from powering off the heat source until receipt of an instruction to perform a next image forming processing; and
a control unit configured to cause the drive unit to temporarily drive the fixation member and cause the measurement unit to measure the elapsed time when the fixation member is temporarily driven, according to receipt of the instruction to perform image forming processing, to cause the heat source to start heating the fixation member, as an operation prior to performing the image forming processing, after the elapsed time is measured, to cause the drive unit to start to drive the fixation member after a temperature of the fixation member reaches a first control temperature, if the elapsed time does not exceed a predetermined threshold and to cause the drive unit to start to drive the fixation member after the temperature of the fixation member reaches a second control temperature that is higher than the first control temperature, if the elapsed time exceeds the predetermined threshold.

US Pat. No. 10,656,576

IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND IMAGE FORMING METHOD EACH CONTROLLING FIXING TEMPERATURE

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:an image forming unit configured to form an image based on image data;
a fixing unit configured to fix the image formed by the image forming unit on a recording material;
a conversion unit configured to convert image data into conversion data including a plurality of areas having a first resolution in a main scanning direction perpendicular to a conveyance direction of the recording material, and a second resolution higher than the first resolution in a sub-scanning direction, which is the conveyance direction of the recording material;
an analysis unit configured to analyze values related to the areas of the plurality of areas of the conversion data obtained by the conversion unit; and
a temperature control unit configured to control a fixing temperature of the fixing unit according to a result of the analysis performed by the analysis unit.

US Pat. No. 10,656,575

HEATING SYSTEM HAVING CURRENT-SENSING CONTROL CIRCUIT

BROTHER KOGYO KABUSHIKI K...

1. A heating system, comprising:a first heater;
a current sensor connected in series to the first heater;
a first switch connected in series to the first heater, the first switch configured to:
in response to receiving a first ON signal, change to a conducting state to supply an alternating current signal to the first heater; and
in response to receiving a first OFF signal, change to a non-conducting state to halt supply of the alternating current signal to the first heater;
a second heater connected in parallel to the first heater and the first switch and in series to the current sensor; and
a second switch connected in series to the second heater and in parallel to the first heater, the second switch configured to, in response to receiving a second ON signal, change to a conducting state to supply an alternating current signal to the second heater, and
a controller configured to:
output the first ON signal to the first switch at a first time, the first time occurring during a portion of a half cycle of the alternating current signal having increasing amplitude;
output the first OFF signal to the first switch at a second time in response to change of a signal received from the current sensor from being less than a first threshold to being within a predetermined range, the predetermined range having a minimum value equal to the first threshold and a maximum value equal to a second threshold; and
output the second ON signal to the second switch at a third time prior to the second time within the half cycle, and
wherein the second time at which the signal received from the current sensor changes from being less than the first threshold to being within the predetermined range is further based on outputting the second ON signal to the second switch at the third time.

US Pat. No. 10,656,574

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

TOSHIBA TEC KABUSHIKI KAI...

1. An image forming apparatus, comprising:a fixing member configured to heat a sheet;
a pressurizing member having a first heat capacity and facing the fixing member;
a movable member configured to be movable between a contact position to contact with the pressurizing member and a separation position separated from the pressurizing member, and having a second heat capacity smaller than the first heat capacity;
a controller configured to move the movable member to one of the contact position and the separation position based on a change of a control temperature of the fixing member or the pressurizing member; and
a cooling device for cooling the fixing member and the pressurizing member, wherein
the controller causes the cooling device to cool the fixing member and the pressurizing member based on a control result of the movable member, wherein
the controller is further configured to control the cooling device to cool the fixing member and the pressurizing member when the fixing member and the pressurizing member are not heated and when the movable member is moved to the separation position.

US Pat. No. 10,656,573

IMAGE HEATING APPARATUS AND IMAGE FORMING APPARATUS THAT CONTROL ELECTRICAL POWER SUPPLY TO A PLURALITY OF HEAT GENERATING ELEMENTS BASED ON A TEMPERATURE DETECTED BY A TEMPERATURE DETECTING ELEMENT

Canon Kabushiki Kaisha, ...

1. An image heating apparatus, comprising:an image heating portion that includes a heater including a substrate and a plurality of heat generating elements provided on the substrate and aligned in a longitudinal direction of the substrate, and heats an image formed on a recording material using heat of the heater;
a plurality of temperature detecting elements for detecting temperatures of the plurality of heat generating elements; and
an energization controlling portion for selectively controlling, based on the temperature detected by each of the plurality of temperature detecting elements, electric power to be supplied to the plurality of heat generating elements, in order to selectively heat a plurality of heating regions that are heated by the plurality of heat generating elements,
wherein at least two temperature detecting elements among the plurality of temperature detecting elements are arranged in each one of the plurality of heating regions being heated by the plurality of heat generating elements, and
wherein the energization controlling portion controls electric power supply to the plurality of heat generating elements for the purpose of heating a non-sheet-passing heating region, through which the recording material does not pass, among the plurality of heating regions, based on a temperature detected by a temperature detecting element, which is farthest from a conveyance reference position of the recording material, among the plurality of temperature detecting elements arranged in the non-sheet-passing heating region.

US Pat. No. 10,656,572

FIXING DEVICE AND IMAGE FORMING DEVICE

KONICA MINOLTA, INC., To...

1. A fixing device for fixing an unfixed image on a sheet by passing the sheet through a fixing nip, the fixing device comprising:a heated endless belt;
a first member that is a non-rotating body disposed inside of the belt;
a second member disposed inside of the belt, cooperating with the first member to tension the belt;
a pressure roller disposed outside of the belt that presses against the first member via the belt, thereby forming the fixing nip between the pressure roller and the belt;
a guide member disposed inside of the belt that has a guide surface and guides the belt via the guide surface being in surface contact with an inner circumferential surface of the belt in circulation;
a sliding member disposed between the belt and the first member; and
a lubricant application member that applies lubricant to the inner circumferential surface of the belt, wherein
the guide member has a recess opening into the guide surface,
the guide surface has an arc shape that is interrupted by the recess in a cross section taken on a virtual plane perpendicular to an axis of rotation of the pressure roller, and
the lubricant application member is fitted in the recess.

US Pat. No. 10,656,571

FIXING DEVICE AND IMAGE FORMING DEVICE

TOSHIBA TEC KABUSHIKI KAI...

1. A fixing device that fixes a toner image formed on a medium to the medium, comprising:a heating rotator configured to be rotatably supported;
an auxiliary heating member disposed along an inner circumferential surface of the heating rotator, and configured to swing as the heating rotator rotates;
a lubricant supply member disposed at a position on which the swinging auxiliary heating member abuts, and comprising a lubricant;
a pressing rotator configured to abut on the heating rotator, and to form a nip portion through which the medium passes; and
an elastic member configured to press the auxiliary heating member to the heating rotator,
wherein the auxiliary heating member includes an abutment portion which abuts on the lubricant supply member and is pressed by the elastic member.

US Pat. No. 10,656,570

IMAGE FORMING APPARATUS OPERABLE IN COLOR AND MONOCHROMATIC MODES

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:a black image forming portion configured to form an image with a black toner, said black image forming portion including a black developing device;
a color image forming portion configured to form an image with a yellow toner, a magenta toner, and a cyan toner, said color image forming portion including a yellow developing device, a magenta developing device, and a cyan developing device;
an intermediary transfer member capable of carrying a toner image formed at said black image forming portion and a toner image formed at said color image forming portion;
a transfer portion configured to transfer the toner image from said intermediary transfer member onto a recording material; and
an executing portion capable of executing an operation in a color mode in which a color image is formed on a recording material by using said color image forming portion and said black image forming portion and an operation in a monochromatic mode in which a monochromatic image is formed on a recording material by using only said black image forming portion,
wherein said executing portion is capable of forming the monochromatic image in the operation in the monochromatic mode under application of a voltage to said black developing device, the voltage being applied under a voltage condition, which is inputted to said black developing device when the operation in the monochromatic mode is executed, such that a line width is broader than a line width under a voltage condition which is inputted to said black developing device when the operation in the color mode is executed,
wherein a voltage in the form of an AC voltage biased with a DC voltage is applied to said black developing device, and
wherein said executing portion is capable of forming the image in the operation in the monochromatic mode under application of the AC voltage to said black developing device, the AC voltage having a peak-to-peak voltage of the AC voltage which is inputted to said black developing device when the operation in the monochromatic mode is executed being greater than a peak-to-peak voltage of an AC voltage which is inputted to said black developing device when the operation in the color mode is executed.

US Pat. No. 10,656,569

CONTROL ELECTRODE FOR IMAGE FORMATION APPARATUS

KONICA MINOLTA, INC., To...

1. An image formation apparatus comprising:a transfer belt which carries a toner image;
a transfer rotating body including an outer circumferential surface, the transfer rotating body transferring the toner image to a recording medium transported as being in contact with the outer circumferential surface and the transfer belt; and
a control electrode in contact with the outer circumferential surface on an upstream side of a position of contact between the transfer rotating body and the recording medium in a direction of rotation of the transfer rotating body,
the control electrode having a potential set to repel the toner image with respect to the transfer rotating body,
the control electrode being in contact with the outer circumferential surface such that discharging occurs in a gap between the transfer rotating body and the transfer belt and a discharging current flows through the recording medium, wherein
the outer circumferential surface has a first limit position at which a distance between the outer circumferential surface and the transfer belt is equal to a threshold value beyond which discharging occurs in the gap and a second limit position at which a straight line orthogonal to a straight line which passes through the position of contact and a center of rotation of the transfer rotating body intersects with the outer circumferential surface on the upstream side of the position of contact in the direction of rotation, and
the control electrode is in contact with the outer circumferential surface at a position more distant from the position of contact than from the first limit position and closer to the position of contact than to the second limit position.

US Pat. No. 10,656,568

INTERMEDIATE TRANSFER MEMBER AND IMAGE FORMING APPARATUS

KONICA MINOLTA, INC., To...

1. An intermediate transfer member that is used for electrophotographic image formation, the intermediate transfer member comprisingcarbon nanotubes and ferroelectric fillers in a base material layer containing a resin material as a principal component.

US Pat. No. 10,656,567

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

FUJI XEROX CO., LTD., Mi...

1. An image forming apparatus comprising:an image holding member;
a charging unit configured to charge a surface of the image holding member;
an electrostatic charge image forming unit configured to form an electrostatic charge image on the charged surface of the image holding member;
a developing unit that includes an electrostatic charge image developing toner and that is configured to develop the electrostatic charge image on the surface of the image holding member with the electrostatic charge image developing toner to form a toner image;
an intermediate transfer body that has a circumferential surface having a plurality of grooves and an average in-plane roughness ranging from 10 nm to 30 nm;
a first transfer unit configured to first transfer the toner image formed on the surface of the image holding member to a surface of the intermediate transfer body; and
a second transfer unit configured to second transfer the toner image transferred to the surface of the intermediate transfer body to a recording medium,
wherein the electrostatic charge image developing toner satisfies the following formulae:
(ln ?(T1)?ln ?(T2))/(T1?T2)??0.14,
(ln ?(T2)?ln ?(T3))/(T2?T3)??0.15, and
(ln ?(T1)?ln ?(T2))/(T1?T2)<(ln ?(T2)?ln ?(T3))/(T2?T3),
wherein ?(T1) represents a viscosity of the electrostatic charge image developing toner at 60° C., ?(T2) represents a viscosity of the electrostatic charge image developing toner at 90° C., and ?(T3) represents a viscosity of the electrostatic charge image developing toner at 130° C.

US Pat. No. 10,656,566

IMAGE FORMING APPARATUS USING CONTACT MEMBER TO RECOVER TONER REMAINING ON INTERMEDIATE TRANSFER MEMBER

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:an image bearing member configured to bear a toner image;
a movable intermediate transfer member configured to abut the image bearing member and onto which the toner image borne on the image bearing member is primarily transferred; and
an abutment member provided downstream, in a moving direction of the intermediate transfer member, of a secondary transfer portion at which the toner image that is primarily transferred onto the intermediate transfer member is secondarily transferred from the intermediate transfer member onto a transfer material, and configured to, in a state where an abutment portion abutting the intermediate transfer member is formed, collect toner remaining on the intermediate transfer member after passing through the secondary transfer portion,
wherein the intermediate transfer member includes, in the moving direction, a first region including a region where at least the abutment portion is formed in the width direction, and a second region different from the first region and including a region where at least the abutment portion is formed in the width direction,
wherein a coefficient of dynamic friction in the moving direction in the second region is greater than a coefficient of dynamic friction in the moving direction in the first region, and
wherein a length of the second region in the moving direction is shorter than a length of the first region in the moving direction and longer than a length of the abutment portion in the moving direction.

US Pat. No. 10,656,565

DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE DRIVE TRANSMISSION DEVICE

RICOH COMPANY, LTD., Tok...

1. An image forming apparatus comprising:a rotary body; and
a drive transmission device, the drive transmission device comprising:
a drive source to generate a drive force for transmission to the rotary body of the image forming apparatus;
a first drive transmitter; and
a second drive transmitter, coaxially arranged with being fastened to the first drive transmitter, including a material different from a material of the first drive transmitter and having a Young's modulus relatively larger than a Young's modulus of the first drive transmitter,
the drive force of the drive source being transmitted between the first drive transmitter and the second drive transmitter,
the first drive transmitter including a first gear and the second drive transmitter including a second gear, a diameter of the first gear being relatively greater than a diameter of the second gear, and
the first drive transmitter and the second drive transmitter being fastened in a direction of the diameter of the first gear, at a position beyond the diameter of the second gear and within the diameter of the first gear.

US Pat. No. 10,656,564

IMAGE FORMING APPARATUS

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:a plurality of image bearing members configured to bear toner images;
an intermediate transfer belt onto which the toner images are transferred from the plurality of image bearing members;
a plurality of primary transfer devices configured to, at primary transfer portions, transfer the toner images from the plurality of image bearing members onto the intermediate transfer belt;
a secondary transfer device configured to, at a secondary transfer portion, transfer the toner images transferred onto the intermediate transfer belt onto a sheet;
a first cleaning member provided in contact with said intermediate transfer belt at a portion downstream of said secondary transfer portion and upstream of said primary transfer portions in a rotational moving direction of said intermediate transfer belt, said first cleaning member being configured to collect the toner from said intermediate transfer belt by a current flowing to the first cleaning member;
a second cleaning member provided in contact with said intermediate transfer belt and at a portion downstream of said secondary transfer portion and the upstream of said primary transfer portions in the rotational moving direction of said intermediate transfer belt, said second cleaning member being configured to collect the toner from said intermediate transfer belt by a current flowing to the second cleaning member;
a discharge member provided in contact with said intermediate transfer belt at a discharging portion downstream of said secondary transfer portion and upstream of said primary transfer portions in the rotational moving direction of said intermediate transfer belt, said discharge member being configured to discharge said intermediate transfer belt by a discharge current flowing to the discharge member;
a first cleaning voltage source configured to flow the current to said first cleaning member;
a second cleaning voltage source configured to flow a current to said second cleaning member;
a discharge voltage source for applying a voltage to flow the discharge current to said discharge member; and
a controller configured to control the discharge voltage source,
wherein |lt1+lt2+lcl1+lcl2+ld|<1/4×|lt1+lt2| is satisfied, where lt1 denotes a total current flowing to said primary transfer devices, lt2 denotes a total current flowing to said secondary transfer device, It2 denotes a total current flowing to said first cleaning member, lcl2 denotes a total current flowing to said second cleaning member, and Id denotes a total current flowing to said discharge member during a period from passing of a leading edge of a first sheet through said secondary transfer device to passing of a trailing edge of a one hundredth sheet through said secondary transfer device in a successive image forming job of forming an image on a plurality of sheets successively, and each of the total currents is taken as positive in case that each of the total currents flows from an inner surface of said intermediate transfer belt toward an outer surface of said intermediate transfer belt.

US Pat. No. 10,656,563

TRANSFERRING PRINT AGENT IN PRINT APPARATUS

HP Indigo B.V., Amstelve...

1. A method comprising:measuring, using a sensor, an amount of print agent present in print solution in a print solution reservoir of a print apparatus;
after said measuring, determining that an amount of print agent remaining in a print agent container of the print apparatus is below a threshold level;
transferring an amount of print solution from the print solution reservoir, or an amount of solvent from a solvent reservoir of the print apparatus, into the print agent container;
causing at least some of the remaining print agent to dissolve into the amount of print solution or solvent to form a rinse solution; and
transferring the rinse solution from the print agent container to the print solution reservoir.

US Pat. No. 10,656,562

IMAGE FORMING APPARATUS

CANON KABUSHIKI KAISHA, ...

1. An image forming apparatus, comprising:an image bearing member;
a developing unit configured to develop an electrostatic image formed on the image bearing member, the developing unit being able to attach to the image forming apparatus, the developing unit comprising (a) a developing container configured to accommodate developer, (b) a developer bearing member configured to rotate while bearing the developer accommodated in the developing container, and (c) a developing magnet provided within the developer bearing member, the developing magnet including a plurality of magnetic poles in a rotational direction of the developer bearing member;
a power supply configured to apply a developing bias to the developer bearing member; and
a contact portion electrically connected with the power supply,
wherein the developing unit comprises a conductive member which is made of a conductive resin, the conductive member including integrally a fixing portion, the fixing portion fixing the developing magnet so that the plurality of magnetic poles of the developing magnet is fixed unrotatably with respect to the developing container, the conductive member being provided to electrically connect the contact portion with the developer bearing member.

US Pat. No. 10,656,561

TONER CONVEYING DEVICE, AND DEVELOPING DEVICE AND IMAGE FORMING APPARATUS THEREWITH

KYOCERA DOCUMENT SOLUTION...

1. A toner conveying device, comprising:a toner conveying portion including a vertical conveying portion which conveys toner by making toner fall vertically and a horizontal conveying portion which is connected to a bottom end part of the vertical conveying portion to convey toner horizontally;
a conveying member including a rotary shaft arranged in the horizontal conveying portion along a conveying direction of the toner and a conveying projection which is provided around an outer circumferential face of the rotary shaft, the conveying member conveying, with the conveying projection while rotating the rotary shaft, the toner in the horizontal conveying portion in an axial direction of the rotary shaft;
a toner loosening member arranged in the vertical conveying portion so as to be movable vertically;
a first magnetic member attached to a bottom end part of the toner loosening member; and
a second magnetic member attached to a part of the conveying member facing the toner loosening member,
wherein
a magnetic pole of the first magnetic member on a side thereof facing the conveying member is same as a magnetic pole of the second magnetic member on a side thereof facing the toner loosening member, and
the toner loosening member vertically reciprocates as a repulsive magnetic field between the first magnetic member and the second magnetic member changes periodically with rotation of the conveying member.

US Pat. No. 10,656,560

DEVELOPER CONTAINER AND IMAGE FORMING DEVICE

Brother Kogyo Kabushiki K...

1. A toner cartridge detachably attachable to a process unit, the process unit having a photosensitive drum; a developing section having a developing roller configured to develop an image on the photosensitive drum by toner during an image forming operation; and a waste-toner conveyor configured to convey waste toner removed from the photosensitive drum,the toner cartridge comprising:
a casing having:
a toner accommodating chamber configured to accommodate toner; and
a waste-toner accommodating chamber configured to accommodate waste toner,
wherein the casing has a first opening for providing fluid communication between inside of the casing and outside of the casing to allow the toner to move from inside of the toner accommodating chamber to outside of the casing,
wherein the casing has a second opening for providing fluid communication between inside of the casing and outside of the casing to allow the waste toner to move from outside of the casing to inside of the waste-toner accommodating chamber, and
wherein the second opening is movable relative to the first opening.

US Pat. No. 10,656,559

TONER CARTRIDGE HAVING A MOVABLE PROJECTION FOR PROVIDING INSTALLATION FEEDBACK TO AN IMAGE FORMING DEVICE

Lexmark International, In...

1. A toner cartridge, comprising:a housing having a top, a bottom, a front, and a rear positioned between a first side and a second side of the housing, the housing has a reservoir for holding toner;
an outlet port in fluid communication with the reservoir and facing downward on the front of the housing near the first side of the housing for exiting toner from the toner cartridge;
a linkage on the first side of the housing, the linkage has an engagement surface that is accessible from the rear of the housing; and
a projection on the first side of the housing, the projection is movable between a first position and a second position, the projection extends outward sideways from the first side when the projection is in the second position, the projection is operatively connected to the linkage such that the projection moves upward from the first position to the second position when the engagement surface receives an actuation force permitting the projection to change a state of a sensor in an image forming device when the toner cartridge is installed in the image forming device.

US Pat. No. 10,656,558

IMAGE FORMING APPARATUS AND TONER CARTRIDGE

FUJI XEROX CO., LTD., Mi...

16. A toner cartridge comprising:a chamber that contains toner for electrostatic charge image development,
the toner satisfying the following relations:
(ln ?(T1)?ln ?(T2))/(T1?T2)??0.14;
(ln ?(T2)?ln ?(T3))/(T2?T3)??0.15; and
(ln ?(T1)?ln ?(T2))/(T1?T2)<(ln ?(T2)?ln ?(T3))/(T2?T3),
where ?(T1) represents a viscosity of the toner at 60° C., ?(T2) represents a viscosity of the toner at 90° C., and ?(T3) represents a viscosity of the toner at 130° C.

US Pat. No. 10,656,557

DEVELOPING CARTRIDGE INCLUDING FIRST GEAR, SECOND GEAR ENGAGEABLE WITH FIRST GEAR, AND LINK

BROTHER KOGYO KABUSHIKI K...

1. A developing cartridge comprising:a casing configured to accommodate developing agent therein, the casing having an outer surface;
a first gear positioned at the outer surface, the first gear being rotatable about a first axis extending in a first direction;
a second gear positioned at the outer surface, the second gear being rotatable about a second axis extending in the first direction, the second gear being rotatable from a first position to a second position in accordance with rotation of the first gear in a state where the second gear engages with the first gear;
a cover positioned at the outer surface;
a link movable together with rotation of the second gear, the link being pivotally movable relative to the second gear, the link including a distal end portion, the link having:
a first state in which the distal end portion is in contact with the cover, the link being in the first state in a state where the second gear is at the first position; and
a second state in which the distal end portion separates from the cover and the link pivotally moves relative to the second gear, the link being in the second state in a state where the second gear is at the second position; and
an urging member engaging with both the second gear and the link, the urging member providing the first state of the link due to resilient deformation of the urging member, the urging member providing the second state of the link by pivotally moving the link relative to the second gear due to a restoring force of the urging member.

US Pat. No. 10,656,556

DEVELOPING DEVICE HAVING CONVEYING MEMBER FOR STABLY CONVEYING DEVELOPER, DEVELOPER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

CANON KABUSHIKI KAISHA, ...

1. A developing device comprising:a frame including a developing chamber provided with a developer bearing member, an accommodating chamber accommodating developer, and a partition wall separating the developing chamber and the accommodating chamber from each other and provided with an opening connecting the developing chamber and the accommodating chamber;
an agitating member agitating the developer in the accommodating chamber;
a shaft member rotatably supported in the accommodating chamber, the shaft member being located below the opening in the gravitational direction and having an attachment portion to which the agitating member is attached; and
a conveying member conveying the developer in the accommodating chamber,
wherein the conveying member includes a fixed portion fixed to an inner wall of the frame forming the accommodating chamber and a displacement portion movable relative to the opening,
wherein the displacement portion is located between the opening and the shaft member, and is movable from below the opening in the gravitational direction toward the opening by coming into contact with the agitating member, and
wherein, in a direction perpendicular to a rotational axis of the shaft member, a distance between the rotational axis and the attachment portion is shorter than a shortest distance between the attachment portion and the inner wall, and the rotational axis is located within an imaginary circle centered at a boundary point between the fixed portion and the displacement portion and passing through a distal end of the displacement portion.

US Pat. No. 10,656,555

DEVELOPMENT ROLL FOR ELECTROPHOTOGRAPHY DEVICE

Sumitomo Riko Company Lim...

1. A development roll for an electrophotography device, comprising:a shaft member;
an elastic substance layer formed on an outer circumference of the shaft member;
an intermediate layer formed on an outer circumference of the elastic substance layer; and
a surface layer formed on an outer circumference of the intermediate layer,
wherein the surface layer comprises a resin and the resin is one or two or more selected from a styrene resin, polyether sulfone, and polyamide imide,
a volume resistivity of the surface layer is in a range of 1.0×1015 to 1.0×1020 ?·cm, and
a volume resistivity of the intermediate layer is in a range of 1.0×109 to 1.0×1013 ?·cm.

US Pat. No. 10,656,554

IMAGE FORMING APPARATUS

CANON KABUSHIKI KAISHA, ...

1. An image forming apparatus including an image-bearing member unit and a developing unit that are attachable thereto and detachable therefrom,wherein the imaging bearing member unit comprising:
a rotatable image-bearing member on which an electrostatic latent image is formed;
a cleaning member configured to come into contact with the image-bearing member to remove developer from a surface of the image-bearing member; and
a first memory configured to store information about a driven amount of the image-bearing member unit,
wherein the developing unit comprises:
a developer bearing member configured to supply developer to the surface of the image-bearing member to develop the electrostatic latent image into a developer image, at least a part of the developer bearing member being coated with lubricant; and
a second memory configured to store information about a driven amount of the developing unit,
the image forming apparatus comprising:
a communication unit configured to read the information stored in the first memory and the information stored in the second memory; and
a control unit configured to control execution of a coating agent removal sequence for removing the lubricant from the developer bearing member, the coating agent removal sequence being performed in a row without performing an image formation based on the image information input from an apparatus communicably connected to the image forming apparatus,
wherein the control unit controls a developer supply amount per unit time supplied from the developer bearing member in the coating agent removal sequence based on the information about the driven amount of the image-bearing member unit acquired from the first memory via the communication unit, and the information about the driven amount of the developing unit acquired from the second memory via the communication unit.

US Pat. No. 10,656,553

IMAGE FORMING APPARATUS CAPABLE OF EFFICIENTLY REDUCING THE INFLUENCE OF DISCHARGE PRODUCTS ADHERING TO THE SURFACE OF AN IMAGE BEARING MEMBER

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:a rotatable image bearing member;
a charging member configured to charge a surface of the image bearing member;
a developing member, rotating while being in contact with the image bearing member, configured to supply a developer to the surface of the image bearing member charged by the charging member;
a transfer member configured to transfer an image formed of the developer on the image bearing member to a transferred member;
a contact member configured to contact the image bearing member;
a developing voltage power source configured to apply a developing voltage to the developing member;
a contact and separation mechanism configured to switch the developing member and the image bearing member between a contact state in which the developing member is in contact with the image bearing member at a contact portion where the image bearing member and the developing member are in contact and a separated state in which the developing member is separated from the image bearing member;
a detecting circuit configured to detect a value of an electric current flowing from the contact member to the image bearing member or a voltage generated between the contact member and the image bearing member when a direct-current voltage less than a discharge starting voltage is applied to the contact member in contact with the image bearing member; and
a controller configured to execute detection using the detecting circuit in a non-image-forming period to obtain a detection result,
wherein when a detection result obtained by the detecting circuit satisfies a first condition in the separated state in which the developing member is separated from the image bearing member, the controller starts a rotating operation for rotating the image bearing member and the developing member in the contact state in which the developing member is in contact with the image bearing member and an absolute value of the developing voltage that is applied to the developing member is less than an absolute value of a discharge starting voltage between the developing member and the image bearing member during the rotating operation, and
wherein when the detection result satisfies a second condition in the contact state in which the developing member is in contact with the image bearing member during the rotating operation, the controller terminates the rotating operation in the separated state in which the developing member is separated from the image bearing member.

US Pat. No. 10,656,552

LIGHT DEFLECTOR, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPARATUS

Canon Kabushiki Kaisha, ...

1. A light deflector comprising:a rotatable polygon mirror that is formed by resin molding and has reflecting surfaces that deflect laser light; and
a support member that supports the rotatable polygon mirror, wherein
the rotatable polygon mirror is provided with a hole and the hole has an inner surface that surrounds the support member,
the inner surface includes a plurality of protruding portions that protrude from the inner surface toward a rotation center of the rotatable polygon mirror and are in contact with the support member,
the rotatable polygon mirror has recesses that are (i) recessed in a rotational axis direction of the rotatable polygon mirror and (ii) provided at symmetrical positions with respect to a straight line that passes through the rotation center and a portion at which each of the protruding portions is in contact with the support member as viewed in the rotational axis direction,
the rotatable polygon mirror includes, as viewed in a direction perpendicular to the rotational axis direction, a part of the rotational polygon mirror at a position between the recess and a surface opposite a surface provided with an opening of the recess of the rotatable polygon mirror, wherein a distance from the rotation center of the rotatable polygon mirror in a radial direction to the position being equal to a distance from the rotation center of the rotatable polygon mirror in a radial direction to a position where the recess is provided, and
when the recesses are first recesses, the rotatable polygon mirror further includes second recesses that are provided in a surface opposite to a surface in which the first recesses are provided and that are recessed in the rotational axis direction.

US Pat. No. 10,656,551

IMAGE FORMING APPARATUS AND CONTROL METHOD OF IMAGE FORMING APPARATUS

TOSHIBA TEC KABUSHIKI KAI...

1. An image forming apparatus, comprising:a plurality of process units including
a photosensitive drum,
an electric charger which charges the photosensitive drum,
an exposing device which includes a plurality of light emitting element rows in a sub-scanning direction in which a plurality of light emitting elements are arranged in a main scanning direction, and configured to irradiate the photosensitive drum to form a latent image while switching the light emitting element rows, and
a developing device which attaches toner to the latent image of the photosensitive drum to form a toner image;
a transferring member configured to receive the toner image from the photosensitive drum of each process unit, and transfer the toner image to a print medium;
a sensor configured to detect the toner image transferred from the photosensitive drum of each process unit to the transferring member; and
a processor configured to calculate a skew deviation amount of the process unit based on a detection result of the sensor, and control turning on and off one or more light emitting elements of the light emitting element rows of the exposing device based on a central tendency of the calculated skew deviation amount and the skew deviation amount of the process unit, wherein
the skew deviation amount is a difference between a slope of one line of the toner image formed on the transferring member by any one of the process units and a slope of one line of the toner image formed by another one of the process units.

US Pat. No. 10,656,550

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

KYOCERA DOCUMENT SOLUTION...

1. An optical scanning device comprising:a light source;
an optical deflector that deflects light beams emitted from the light source;
a synchronization detection sensor that detects the light beams, which are scanned in a main scanning direction by the optical deflector, out of an image formation region of a surface to be scanned;
a setting unit that switches and sets a first mode in which an amount of light of the light source is at a predetermined level and a second mode in which the amount of light of the light source is at a level lower than the predetermined level; and
a control unit that receives a signal from the synchronization detection sensor, decides a writing start timing of image data, and controls the light source according to a mode set by the setting unit, thereby performing a writing process of the image data,
wherein the light source includes a first light emitting point of an amount of light corresponding to the first mode and a second light emitting point of an amount of light corresponding to the second mode, and
wherein the control unit is configured to use light beams emitted from a light emitting point of an amount of light corresponding to the mode set by the setting unit between the first light emitting point and the second light emitting point when the writing of the image data is performed, and to use light beams emitted from a prescribed one of the first light emitting point and the second light emitting point as light beams for synchronization detection, regardless of the mode set by the setting unit, when synchronization detection is performed before the writing of the image data is started,
wherein the first mode is a low speed print mode in which a speed of the writing of the image data to the surface to be scanned by the optical deflector is a predetermined speed, and
wherein the second mode is a high speed print mode in which the speed of the writing of the image data to the surface to be scanned by the optical deflector is faster than the predetermined speed.

US Pat. No. 10,656,549

IMAGE FORMING APPARATUS CORRECTING EXPOSURE AMOUNT OF PHOTOSENSITIVE MEMBER

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:a photosensitive member;
a scan unit configured to scan, in a main scanning direction, the photosensitive member with light based on image data, and form a latent image on the photosensitive member;
a developing unit configured to form an image on the photosensitive member by attaching toner to the latent image formed on the photosensitive member; and
a correction unit configured to correct an exposure amount of the photosensitive member such that a density change of the image in the main scanning direction due to a configuration of the scan unit and a density of the image to be formed is reduced.

US Pat. No. 10,656,548

IMAGE FORMING APPARATUS WITH A CHARGING POWER SUPPLY THAT OUTPUTS AN AC BIAS AND A DC BIAS

Konica Minolta, Inc., Ch...

1. An image forming apparatus comprising:a photoreceptor;
a charging member that charges the photoreceptor;
a charging power supply that outputs an AC bias as a charging bias to be applied to the charging member during image formation, and outputs a DC bias as the charging bias during a non-image forming operation, the AC bias being obtained by superimposing an alternating current voltage and a direct current voltage, the image formation forming a latent image corresponding to a print target image, the DC bias being a direct current voltage, and the non-image forming operation rotating and driving the photoreceptor while not forming the latent image;
a processor that performs predetermined processing on the photoreceptor charged by the charging member; and
a controller that controls the charging power supply and the processor such that a value of a potential difference of the photoreceptor before and after being charged by the DC bias is a value equal to or less than a setting value during the non-image forming operation.

US Pat. No. 10,656,547

IMAGE FORMING APPARATUS MOUNTABLE WITH IMAGE BEARING MEMBER UNIT AND DEVELOPER BEARING MEMBER

CANON KABUSHIKI KAISHA, ...

1. An image forming apparatus, comprising:an apparatus main body;
an image bearing member unit having at least an image bearing member and a charging member; and
a developing unit having at least a developer bearing member, wherein
the image bearing member unit and a developing unit are independently attachable and detachable to the apparatus main body,
the apparatus main body has a controller,
the image bearing member unit further has a first storage unit that stores first correction information corresponding to life information of the developing unit,
the developing unit further has a second storage unit that stores second correction information corresponding to life information of the image bearing member unit, and
the controller acquires the first correction information stored in the first storage unit and the second correction information stored in the second storage unit, uses the acquired first correction information and the acquired second correction information to correct a charging bias to be applied to the charging member, and controls to apply the corrected charging bias to the charging member.

US Pat. No. 10,656,546

ELECTROSTATIC-IMAGE DEVELOPING TONER, ELECTROSTATIC-IMAGE DEVELOPER, AND TONER CARTRIDGE

FUJI XEROX CO., LTD., Mi...

1. An electrostatic-image developing toner comprising:toner particles including
a binder resin including an amorphous resin, the amorphous resin including a polyester resin segment and a styrene acrylate resin segment, and
a release agent; and
1-amino-2-methoxybenzene,
wherein a content of the 1-amino-2-methoxybenzene in the electrostatic-image developing toner is 200 ppm by mass or less.

US Pat. No. 10,656,543

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

KYOCERA Document Solution...

1. An electrophotographic photosensitive member comprising a conductive substrate and a photosensitive layer, whereinthe photosensitive layer is a photosensitive layer of a single-layer structure containing a charge generating material and an electron transport material,
the electron transport material includes a compound represented by a general formula (1) shown below,
an amount of charge of calcium carbonate as measured by charging the calcium carbonate through friction with the photosensitive layer is at least +7.0 ?C/g, and
in the measurement of the amount of the charge of the calcium carbonate,
(i) two of the photosensitive layers are prepared, one of the two photosensitive layers being a first photosensitive layer, another of the two photosensitive layers being a second photosensitive layer, the first and second photosensitive layers each having a circular shape with a diameter of 3 cm,
(ii) 0.007 g of the calcium carbonate is applied over the first photosensitive layer to obtain a calcium carbonate layer made from the calcium carbonate, and the second photosensitive layer is placed on the calcium carbonate layer,
(iii) the first photosensitive layer is rotated at a rotational speed of 60 rpm for 60 seconds while the second photosensitive layer is fixed in an environment at a temperature of 23° C. and a relative humidity of 50% to charge the calcium carbonate contained in the calcium carbonate layer through friction between the calcium carbonate and each of the first photosensitive layer and the second photosensitive layer, and
(iv) the charged calcium carbonate is sucked using a charge measuring device, and a total electric amount Q and a mass M of the sucked calcium carbonate are measured using the charge measuring device to calculate the amount of the charge of the calcium carbonate according to an expression Q/M,

where in the general formula (1),
R1 and R2 each represent, independently of each other:
a halogen atom;
an alkyl group having a carbon number of at least 1 and no greater than 8 and having at least one halogen atom;
an aryl group having a carbon number of at least 6 and no greater than 14, having at least one halogen atom, and optionally having an alkyl group having a carbon number of at least 1 and no greater than 6;
an aralkyl group having a carbon number of at least 7 and no greater than 20 and having at least one halogen atom; or
a cycloalkyl group having a carbon number of at least 3 and no greater than 10 and having at least one halogen atom,
m and n each represent, independently of each other, an integer of at least 0 and no greater than 5, with the proviso that at least one of the integers represented by m and n is not 0, and
Y represents —CO—O—CH2—, —CO—, or —CO—O—.

US Pat. No. 10,656,542

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS, AND METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

Canon Kabushiki Kaisha, ...

1. An electrophotographic photosensitive member comprising:an undercoat layer;
a charge generation layer; and
a charge transport layer in this order,
wherein the undercoat layer contains
a cured product of a composition containing an electron transport material,
a particle having an average primary particle size of 10 nm or more, and
a silicone oil,
a content of the particle in the undercoat layer is 3% by mass or more and 20% by mass or less, and
a content of the silicone oil in the undercoat layer is 0.01% by mass or more and 10% by mass or less relative to the content of the particle.

US Pat. No. 10,656,541

MEASUREMENT APPARATUS, EXPOSURE APPARATUS, AND METHOD OF MANUFACTURING ARTICLE

CANON KABUSHIKI KAISHA, ...

14. An exposure apparatus comprising:a projection optical system configured to project a pattern of a reticle onto a substrate;
a stage configured to hold the substrate;
a measurement apparatus configured to measure a position of the substrate by detecting a mark on the substrate; and
a control unit configured to control a position of the stage based on a measurement result of the measurement apparatus,
the measurement apparatus comprising:
a first filter unit including a plurality of first filters arranged on an optical path between a light source configured to output light for illuminating the mark and an image sensor configured to capture the mark, each filter of the plurality of first filters being configured to allow light having a different wavelength band to pass,
a second filter unit including a plurality of second filters arranged on the optical path between the light source and the image sensor, and each filter of the plurality of second filters configured to reduce light intensity of light and allow the light to pass,
an obtaining unit configured to obtain data identifying a transmittance of each filter of the plurality of second filters for a wavelength band of light having passed through each filter of the plurality of first filters, and
a selection unit configured to select, based on the data obtained by the obtaining unit, from the plurality of second filters, one second filter arranged on the optical path together with one first filter among the plurality of first filters.

US Pat. No. 10,656,540

METHODS OF FORMING IMPRINT PATTERNS

SK hynix Inc., Icheon-si...

1. A method of forming patterns, the method comprising:forming a resist layer on a substrate;
overlaying a template over the resist layer, the template including transfer patterns disposed in field regions and anchor patterns disposed in field defining regions;
curing an extrusion confining pattern in the resist layer to define pattern transfer regions and anchoring regions, the pattern transfer regions corresponding to the field regions and the anchoring regions corresponding to non-cured regions enclosed by the extrusion confining pattern and located where the anchor patterns are to be imprinted into the resist layer;
pressing the template to imprint the transfer patterns and the anchor patterns of the template into the resist layer after curing the extrusion confining pattern in the resist layer to define the pattern transfer regions and the anchoring regions; and
performing an alignment to compensate for a position error of the template relative to the resist layer,
wherein the anchoring regions are separated from the pattern transfer regions by the extrusion confining pattern.

US Pat. No. 10,656,539

RADIATION SOURCE FOR LITHOGRAPHY PROCESS

TAIWAN SEMICONDUCTOR MANU...

1. A method for a lithography exposure process, comprising:irradiating a target droplet with a laser beam to create an extreme ultraviolet (EUV) light;
reflecting the EUV light with a collector;
discharging a cleaning gas over the collector through a gas distributor positioned next to the collector, wherein the gas distributor includes two flow guiding members at two outer sides of the collector and flow rates in the flow guiding members are different, a portion of the cleaning gas is converted to free radicals before the cleaning gas leaves the gas distributor, and the free radicals are discharged over the collector along with the cleaning gas;
applying an electromagnetic radiant energy into the cleaning gas positioned in the gas distributor to convert the portion of the cleaning gas to the free radicals before discharging the cleaning gas; and
applying a thermal energy into the cleaning gas before applying the electromagnetic radiant energy to heat up the cleaning gas.

US Pat. No. 10,656,538

LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD

ASML NETHERLANDS B.V., V...

1. An adjustment system for a lithographic apparatus, the lithographic apparatus comprising a movable table, a projection system configured to project a radiation beam onto a target portion of a radiation-sensitive substrate, and a liquid supply system configured to at least partly fill a space between the projection system and the substrate with a temperature controlled liquid, the adjustment system comprising:instructions in a non-transitory computer-readable medium, the instructions configured, upon execution by a computer system, to cause the computer system to at least:
obtain temperature information for the substrate, the table, an optical element of the projection system, or any combination selected therefrom; and
cause adjustment of an exposeure parameter in response to a temperature-induced distortion of the substrate, the table, the optical element of the projection system, or the combination selected therefrom, caused at least in part by the liquid and determined based on the temperature information, or a parameter derived from the temperature information.

US Pat. No. 10,656,537

METHOD FOR DETECTING THE POSITION OF A MASK HOLDER ON A MEASURING TABLE

Carl Zeiss SMT GmbH, Obe...

1. A method for detecting the position of a mask holder for photolithographic masks, said method comprising:positioning the mask holder with the mask on a measuring table of a measurement apparatus,
measuring the mask holder by use of an algorithm, including using an edge finding algorithm to measure mask holder edges, and
storing the absolute position of the mask holder on the measuring table,
wherein at least one reference image is recorded and stored, and the reference image comprises a portion of a holder edge.

US Pat. No. 10,656,536

SUBSTRATE SUPPORT, METHOD FOR LOADING A SUBSTRATE ON A SUBSTRATE SUPPORT LOCATION, LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD

ASML Netherlands B.V., V...

1. A substrate support system, comprising:a vacuum clamping apparatus of a substrate support, the vacuum clamping apparatus configured to clamp a substrate on a substrate support location, wherein the vacuum clamping apparatus comprises one or more vacuum sections connected or connectable to a reduced pressure source, and wherein the one or more vacuum sections are arranged and configured to attract the substrate towards the substrate support location; and
a control device configured to control a spatial pressure profile along the one or more vacuum sections with which the substrate is attracted by the vacuum clamping apparatus, wherein the control device comprises a substrate shape data input to receive substrate shape data representing shape data of the substrate to be clamped, the control device is configured to adapt the spatial pressure profile in dependency of the substrate shape data, and the control device is configured to cause the one or more vacuum sections to apply a reduced pressure on the basis of the adapted spatial pressure profile at least during a period prior to the substrate physically contacting the substrate support location.

US Pat. No. 10,656,534

METHOD OF MEASURING, DEVICE MANUFACTURING METHOD, METROLOGY APPARATUS, AND LITHOGRAPHIC SYSTEM

ASML Netherlands B.V., V...

1. A method of measuring a plurality of structures formed on a substrate, the method comprising:obtaining data from a first measurement process, the first measurement process comprising individually measuring each of the plurality of structures to measure a first property of the structure and the first measurement process comprising one or more sub-processes;
calculating a sensitivity of each of one or more sub-processes of the one or more sub-processes to a second property of the structure; and
using a second measurement process to measure a value of the second property of each of the plurality of structures, the second measurement process comprising illuminating each structure with radiation having a radiation property that is individually selected for that structure using the measured first property for the structure, wherein the individual selection of the radiation property for the second measurement process is performed using one or more of the calculated one or more sensitivities.

US Pat. No. 10,656,533

METROLOGY IN LITHOGRAPHIC PROCESSES

ASML Netherlands B.V., V...

16. An apparatus for determining a relationship between a measure of quality of an estimate of a parameter of a lithographic process and a measure of feature asymmetry in a plurality of at least first features of at least one example substrate, based on radiation emitted by an optical system at one or more wavelengths and diffracted from the plurality of at least first features of the example substrate, the apparatus comprising a processor configured to:determine asymmetry intensity data for the plurality of at least first features relating to the at least one example substrate based on the diffracted radiation;
based on the determined asymmetry intensity data, determine the measure of quality of the estimate of the parameter relating to the at least one example substrate and the measure of feature asymmetry relating to a further substrate; and
determine the relationship between the measure of quality of the estimate of the parameter relating to the at least one example substrate and the measure of feature asymmetry in the plurality of at least first features,
wherein the measure of feature asymmetry in the plurality of at least first features is determined by a distance-to-origin (DTO) value, and
wherein the processor is further configured to reject the estimate of the parameter on the at least one example substrate if a magnitude of the DTO value in the at least first features of the at least one example substrate exceeds a threshold value that is based on a goodness of fit of a regression analysis of determined asymmetry intensity data on the further substrate.

US Pat. No. 10,656,532

EDGE DETECTION SYSTEM AND ITS USE FOR OPTICAL PROXIMITY CORRECTION

FRACTILIA, LLC, Austin, ...

1. A method comprising;generating, using an imaging device, a set of one or more images, each image of the set including an instance of a feature within a respective pattern structure, each image including measured linescan information corresponding to the pattern structure that includes noise;
detecting edges of the features within the pattern structure of each image of the set using an inverse linescan model, wherein the detecting generates edge detection measurements;
generating a biased power spectral density (PSD) dataset representing feature geometry information corresponding to the edge detection measurements of the set of images;
evaluating a high-frequency portion of the biased PSD dataset to determine a noise model for predicting noise over all frequencies of the biased PSD dataset;
subtracting the noise predicted by the noise model from a biased roughness measure to obtain an unbiased roughness measurement; and
providing the unbiased roughness measurement to a technology computer-aided design (TCAD) model.

US Pat. No. 10,656,531

APPARATUS AND METHOD FOR PROCESS-WINDOW CHARACTERIZATION

ASML Netherlands B.V., V...

1. A method for characterizing a process window of a patterning process, the method comprising:obtaining a set of inspection locations for a pattern, the pattern defining features to be applied to a substrate with a patterning process, the set of inspection locations corresponding to a subset of the features, the subset of features being selected from among the features according to sensitivity of the respective one or more features of the subset of features to variation in one or more process characteristics of the patterning process;
optically or physically patterning one or more substrates under variations of one or more process characteristics of the patterning process; and
determining, for each of the variations in the one or more process characteristics, whether at least some of the subset of features yielded one or more unacceptable patterned structures on the one or more substrates at corresponding one or more inspection locations.

US Pat. No. 10,656,530

APPLICATION OF FREEFORM MRC TO SRAF OPTIMIZATION BASED ON ILT MASK OPTIMIZATION

ASML US, LLC, Chandler, ...

1. A method of extracting shapes from a pixelated SRAF bitmap image of pixels for mask making, the method comprising:receiving the pixelated SRAF bitmap image of pixels, each pixel having a respective brightness value;
selecting a ridge point in the pixelated SRAF bitmap image, the ridge point being one of the pixels and selected based on the respective brightness value of the one of the pixels;
for each pixel of at least some of the pixels, determining a respective arrival time at the pixel, the respective arrival time being based on a respective brightness value of the pixel and a Mask Rule Check (MRC) rule; and
determining a mask shape using the arrival times of the at least some of the pixels.

US Pat. No. 10,656,529

EXPOSURE APPARATUS AND EXPOSURE METHOD, AND FLAT PANEL DISPLAY MANUFACTURING METHOD

NIKON CORPORATION, Tokyo...

1. A movable body apparatus, comprising:a first movable body that is movable along a predetermined two-dimensional plane including a first direction and a second direction intersecting each other;
a second movable body that is movable together with the first movable body in the first direction;
a first measurement system that includes a first encoder system in which one of a scale and a head is provided at the first movable body and the other of the scale and the head is provided at the second movable body, the first measurement system obtaining position information of the first movable body in at least the second direction based on an output of the head;
a second measurement system that obtains position information of the second movable body in the first direction; and
a position control system that performs position control of the first movable body within the two-dimensional plane based on (i) correction information for compensating for a measurement error of the first measurement system that occurs due to the scale or the head, and (ii) outputs of the first and the second measurement systems.

US Pat. No. 10,656,528

LITHOGRAPHIC MASK FUNCTIONS TO MODEL THE INCIDENT ANGLES OF A PARTIALLY COHERENT ILLUMINATION

Synopsys, Inc., Mountain...

1. A method implemented on a computer system, the computer system executing instructions to effect the method for approximating the effect of a lithographic mask on illumination produced by a partially coherent source, the method comprising:pre-calculating a source function G that is the same for different mask layouts and accounts for partial coherence of the illumination, wherein the source function G integrates effects of individual planes waves in the illumination;
representing the mask layout using a partially coherent mask function M that is specific for the illumination and calculated as a function of the source function G; and
using the partially coherent mask function M to calculate the effect of the mask on the illumination, wherein the calculation using the partially coherent mask function M does not integrate over individual plane waves in the illumination.

US Pat. No. 10,656,527

PATTERNING MATERIAL FILM STACK WITH HARD MASK LAYER CONFIGURED TO SUPPORT SELECTIVE DEPOSITION ON PATTERNED RESIST LAYER

International Business Ma...

10. A lithographic patterning method, comprising:forming a multi-layer patterning material film stack on a semiconductor substrate, wherein forming the patterning material film stack comprises forming a hard mask layer and forming a resist layer over the hard mask layer, and wherein the hard mask layer is configured to support selective deposition of a metal-containing layer on the resist layer, the selective deposition of the metal-containing layer on the resist layer occurring after pattern development, wherein configuring the hard mask layer to support selective deposition of the metal-containing layer on the resist layer comprises grafting a polymer brush material to at least part of the hard mask layer prior to selectively depositing the metal-containing layer;
exposing the multi-layer patterning material film stack to patterning radiation to form a desired pattern in the resist layer;
developing the pattern formed in the resist layer;
selectively depositing the metal-containing layer on the developed pattern in the resist layer, wherein the selective deposition avoids deposition of the metal-containing layer on portions of the hard mask layer corresponding to respective openings in the resist layer, responsive to configuration of the hard mask layer;
etching the hard mask layer in accordance with the developed pattern; and
removing remaining portions of at least one of the resist layer and the metal-containing layer.

US Pat. No. 10,656,526

SUBSTRATE TREATMENT METHOD AND THERMAL TREATMENT APPARATUS

Tokyo Electron Limited, ...

1. A thermal treatment apparatus that performs a thermal treatment on a metal-containing film formed on a substrate, the thermal treatment apparatus comprising:a treatment chamber that houses the substrate;
a thermal treatment plate that is provided inside the treatment chamber and mounts the substrate thereon;
a moisture supply unit that supplies moisture to the metal-containing film;
a central exhaust unit that exhausts gas inside the treatment chamber from a central portion of the treatment chamber;
an outer peripheral exhaust unit that exhausts the gas inside the treatment chamber from an outer peripheral portion of the treatment chamber; and
a control unit that controls operations of the treatment chamber, the thermal treatment plate, the moisture supply unit, the central exhaust unit, and the outer peripheral exhaust unit,
wherein the moisture supply unit supplies moisture-containing gas to an inside of the treatment chamber, and
wherein the control unit is configured to control the operations of the thermal treatment plate, the moisture supply unit, the central exhaust unit, and the outer peripheral exhaust unit so as to perform:
a first step of supplying the moisture-containing gas from the moisture supply unit to the inside of the treatment chamber and exhausting the gas inside the treatment chamber from the outer peripheral portion of the treatment chamber by the outer peripheral exhaust unit at a first exhaust rate, in a state where the substrate is mounted on the thermal treatment plate; and
thereafter, a second step of stopping supply of the moisture-containing gas from the moisture supply unit, and exhausting the gas inside the treatment chamber from the central portion of the treatment chamber by the central exhaust unit at a second exhaust rate higher than the first exhaust rate.

US Pat. No. 10,656,525

PHOTORESIST BAKING APPARATUS

SHENZHEN CHINA STAR OPTOE...

1. A photoresist baking apparatus comprising:a baking chamber, including an inlet, an outlet and a cover sealed connected thereon, wherein the cover is applied to guide a hot air entering the baking chamber and includes a heating device disposed thereon for maintaining a temperature of the hot air,
wherein the inlet and the outlet are disposed separately on two opposite sides of the baking chamber,
wherein the baking chamber includes a first diversion channel disposed on the inlet inside the baking chamber for guiding the hot air flowing to the cover, wherein the first diversion channel includes an import sealed connected to the inlet and an export facing the cover, andwherein the baking chamber includes a second diversion channel disposed on the outlet inside the baking chamber for recycling the hot air, wherein the second diversion channel includes an import facing the cover and an export sealed connected to the outlet.

US Pat. No. 10,656,524

SUBSTRATE PROCESSING APPARATUS INCLUDING TRANSPORT DEVICE

SCREEN Holdings Co., Ltd....

1. A substrate processing apparatus that is arranged to be adjacent to an exposure device, comprising:a processing section including a coating device that applies a photosensitive material on a substrate and forms a photosensitive film;
a receiving transferring section for receiving and transferring the substrate between the processing section and the exposure device; and
a CPU that controls transport of the substrate, wherein
the receiving transferring section includes
first and second transport devices that hold and transport the substrates,
a placement cooler configured for receiving the substrate on the placement cooler, the placement cooler being for cooling the placed substrate, and
a temperature maintainer configured for receiving the substrate on the temperature maintainer, the temperature maintainer being for maintaining a temperature of the placed substrate,
the CPU is programmed to
control the first transport device such that the substrate is carried onto the placement cooler from the processing section, and control the second transport device such that the substrate placed on the placement cooler is carried out,
determine whether the exposure device is able to receive the substrate,
when the exposure device is determined to be able to receive the substrate, control the second transport device such that the substrate that has been carried out from the placement cooler is transported to the exposure device, and
when the exposure device is determined to be unable to receive the substrate, control the second transport device such that the substrate that has been carried out from the placement cooler is carried into the temperature maintainer, and after it is determined that the exposure device is able to receive the substrate, control the second transport device such that the substrate is carried out from the temperature maintainer and transported to the exposure device,
wherein the receiving transferring section includes a plurality of the placement coolers, and
the CPU is further programmed to control the first and second transport devices such that part of the plurality of the placement coolers functions as the temperature maintainer and does not function as the placement cooler.

US Pat. No. 10,656,523

POLYMER BRUSHES FOR EXTREME ULTRAVIOLET PHOTOLITHOGRAPHY

International Business Ma...

1. A process of lithographic patterning, comprising:providing an inorganic substrate;
depositing a polymer brush onto the inorganic substrate, wherein the polymer brush comprises:
a plurality of repeat units;
at least one portion of the plurality of repeat units having one or more grafting groups, wherein the one or more grafting groups are selected based on an identity of the inorganic substrate; and
at least one portion of the plurality of repeat units having one or more interface tuning groups, wherein the one or more interface tuning groups are selected based on an identity of a photoresist;
depositing the photoresist onto the polymer brush;
masking the photoresist with a photomask having a pattern;
applying energy from an energy source to the masked photoresist;
developing the photoresist to form an etch mask having the pattern; and
etching portions of the inorganic substrate exposed by the etch mask.

US Pat. No. 10,656,522

COMPOSITION FOR FORMING FINE RESIST PATTERN AND PATTERN FORMING METHOD USING SAME

AZ Electronic Materials (...

12. A method for forming a resist pattern, comprising:a) providing a substrate with a resist pattern prepared from a negative-tone lithography process;
b) coating the resist pattern with a shrink material composition for fattening a resist pattern prepared from a negative-tone lithography process, comprising at least one polymer and at least one organic solvent, wherein the at least one polymer wherein the polymer is
a homopolymer which is selected form the group consisting of poly(3,5 pyridine) and poly(4-vinylpyridine) or a 2-Vinylpyridine/styrene copolymer,
c) inter-mixing a portion of the shrink material in contact with the resist pattern; and
d) removing a portion of the shrink material which is not inter-mixed with a removal solution.

US Pat. No. 10,656,520

PHOTOSENSITIVE RESIN COMPOSITION AND CURED FILM PREPARED THEREFROM

Rohm and Haas Electronic ...

1. A photosensitive resin composition, comprising:(A) a copolymer;
(B) a photopolymerizable compound comprising a first photopolymerizable compound (B1) containing hexa- or less functional groups and a second photopolymerizable compound (B2) containing hepta- or more functional groups; and
(C) a photopolymerization initiator,
wherein a weight ratio of the copolymer (A) and the first and second photopolymerizable compounds (B1 and B2) satisfies the following Equation 1, and a weight ratio of the first photopolymerizable compound (B1) and the second photopolymerizable compound (B2) satisfies the following Equation 2:
2.1?(B1+B2)/(A)?2.5  [Equation 1]
0.2?B2/B1?0.5  [Equation 2]
wherein the first photopolymerizable compound (B1) is at least one selected from the group consisting of ethylene glycol di(meth)acrylate, propylene glycol di(meth)acrylate, diethylene glycol di(meth)acrylate, triethylene glycol di(meth)acrylate, glycerin tri(meth)acrylate, trimethylolpropane tri(meth)acrylate, dipentaerythritol tetra(meth)acrylate, dipentaerythritol penta(meth)acrylate and dipentaerythritol hexa(meth)acrylate.

US Pat. No. 10,656,518

AUTOMATIC INLINE DETECTION AND WAFER DISPOSITION SYSTEM AND METHOD FOR AUTOMATIC INLINE DETECTION AND WAFER DISPOSITION

UNITED MICROELECTRONICS C...

1. A method for automatic inline detection and wafer disposition, comprising:performing an exposure process to wafers in an exposure apparatus, wherein the exposure process comprises a photolithography exposure process;
performing a virtual inspection based on log files of the exposure process by a first computer system;
performing a wafer automatic disposition when a result of the virtual inspection is abnormal by a second computer system coupled to the first computer system; and
performing a develop process for forming a patterned photoresist layer on the wafer when the result of the virtual inspection is normal, wherein the virtual inspection comprises:
receiving the log files from the exposure apparatus;
generating a wafer map data by text mining and transforming the log files;
generating a virtual image of each of the wafers;
executing a deep learning model to the virtual images; and
establishing a defect type classification and identifying a defect type of each of the wafers by the deep learning model.

US Pat. No. 10,656,517

PATTERN CORRECTION IN MULTIPLE PATTERNING STEPS

Mentor Graphics Corporati...

1. A method comprising:simulating, by a computing system, a wafer image based on a mandrel mask and a block mask capable of being utilized in a formation of a final wafer image printed on a substrate;
comparing, by the computing system, a target wafer image in a layout design to the simulated wafer image;
modifying, by the computing system, error tolerances utilized in optical proximity correction of the block mask based, at least in part, on deviations between the simulated wafer image and the target wafer image; and
performing, by the computing system, the optical proximity correction with the modified error tolerances to set a configuration of the block mask, wherein the substrate, when manufactured based on the block mask having the configuration set by the optical proximity correction, includes the final wafer image.

US Pat. No. 10,656,514

DEVICES AND METHODS FOR FACILITATING DOME SCREEN IMAGE PROJECTION

LADUMA, INC., Salt Lake ...

1. An image projection system, comprising:an enclosure forming a dome-shaped interior surface;
a plurality of sidewall projectors within the enclosure and spaced from each other in a generally circular shape, wherein the plurality of sidewall projectors are positioned in an angular projection configuration with each sidewall projector oriented to project a center point of a respective image onto the interior surface at an angle between 45° and 180° relative to a respective radius of the generally circular shape formed by the plurality of sidewall projectors; and
at least one zenith projector oriented to project images toward at least a portion of a top area of the dome-shaped interior surface.

US Pat. No. 10,656,513

LIGHT-REFLECTING MICROSTRUCTURE, PROJECTION SCREEN AND PROJECTION SYSTEM

Appotronics Corporation L...

1. A light-reflecting microstructure, comprising:a transparent structure, the transparent structure comprising a light incident surface, a light-reflecting surface, and a light-absorption surface connecting the light incident surface and the light-reflecting surface;
a light-absorption structure located on the light-absorption surface; and
a reflection layer located on the light-reflecting surface,
wherein the transparent structure is configured to refract projected light incident on the light incident surface at a preset angle to the reflection layer, and refract stray light incident on the light incident surface at any angle other than the preset angle to the light-absorption structure,
the reflection layer is configured to reflect the projected light in such a manner that the projected light is emitted at a certain angle from the light incident surface after being refracted twice by the transparent structure, and
the light-absorption structure is configured to absorb the stray light,
wherein the transparent structure comprises a first portion and a second portion located at a top of the first portion,
the first portion is a structure having a cross section being an inverted trapezoid, the second portion is a structure having a bottom surface being a planar surface and a top surface being a curved surface, the top surface of the second portion is the light incident surface of the transparent structure, a bottom surface of the first portion is the light-reflecting surface of the transparent structure, and a side surface of the first portion is the light-absorption surface of the transparent structure.

US Pat. No. 10,656,512

LIGHT SOURCE DEVICE, PROJECTOR, AND METHOD FOR CONTROLLING LIGHT SOURCE DEVICE

SEIKO EPSON CORPORATION, ...

1. A light source device comprising:a light source unit configured to emit light;
a first optical element on which the light emitted from the light source unit is incident;
a first drive unit configured to rotate the first optical element; and
a control unit configured to control the light source unit and the first drive unit,
wherein
the control unit is configured to continue rotating the first optical element during a first period until a first predetermined time passes after the light source unit is turned off,
the control unit sets a number of rotations of the first optical element to a predetermined number of rotations in the first period, and
the predetermined number of rotations is smaller than a number of rotations of the first optical element before the light source unit is turned off and is equal to or greater than a number of rotations for lighting of the first optical element when lighting of the light source unit is started before the light source unit is turned off.

US Pat. No. 10,656,511

LED PATTERN PROJECTOR FOR 3D CAMERA PLATFORMS

Intel Corporation, Santa...

11. A pattern projector to cast a light pattern upon portions of a scene, wherein the pattern projector further comprises:an amplitude mask comprising a mask pattern of high and low transmittance regions to spatially modulate an intensity of an emission from an illumination source; and
a projector lens, wherein the projector lens comprises a microlens array (MLA), wherein the amplitude mask is proximal a first projector lens surface, and wherein a first lenslet and second lenslet of the MLA each has a convex projection surface distal from the mask.

US Pat. No. 10,656,510

SUPERLUMINESCENT LIGHT EMITTING DIODE (SLED) DEVICE

UNIVERSITY COLLEGE CORK, ...

1. A superluminescent light emitting diode (SLED) device comprising:a light-guiding structure deposited on a substrate and comprising a plurality of layers that includes a lower cladding layer and an upper cladding layer;
a light generating layer sandwiched between the lower cladding layer and the upper cladding layer and configured to emit an optical beam;
an elongated semiconductor ridge positioned on an upper surface of the substrate and adapted to guide the optical beam along a path parallel to the substrate, wherein the elongated semiconductor ridge is one of a plurality of elongated semiconductor ridges positioned on the upper surface of the substrate, wherein each elongated semiconductor ridge is adapted to guide an additional optical beam parallel to the substrate and along a path corresponding to the each elongated semiconductor ridge;
a reflective element disposed on the upper surface of the substrate and configured to turn the optical beam causing a reflected beam comprising at least a portion of the optical beam to be emitted through a lower surface of the substrate; and
an un-pumped lateral beam expansion gap positioned between an electrically pumped section of the ridge and the reflective element.

US Pat. No. 10,656,509

IMAGE PROJECTION APPARATUS

SONY CORPORATION, Tokyo ...

1. An image projection apparatus comprising:an air intake port that is provided in a rear face of a housing and through which air is caused to flow into an inside of the housing;
an air discharge port that is provided in a front face of the housing and through which air inside the housing is discharged; and
a projecting unit including a lens and configured to project an image at a surface that is closer to the rear face of the housing than the front face of the housing, the projecting unit being closer to the front face of the housing than the rear face of the housing,
wherein the image projection apparatus includes an air exhaust flow path in which air that has flowed into the inside of the housing from the air intake port is caused to pass through a heat generation component having a highest temperature, at an end of the passing through, among a plurality of heat generation components provided inside the housing, and is discharged from the air discharge port.

US Pat. No. 10,656,508

PROJECTOR AND OPERATION CONTROL METHOD

SEIKO EPSON CORPORATION, ...

1. A projector comprising:a light source;
a light modulation device configured to modulate a light emitted from the light source;
a projection optical device configured to project the light modulated by the light modulation device;
a casing containing at least a part of the light modulation device and having an interior filled with a cooling liquid;
a circulating device configured to circulate the cooling liquid at least to a light exiting side of a modulation part in the light modulation device; and
a control device configured to control an operation of the circulating device, wherein
the control device changes an operation level of the circulating device,
the control device alternately executes
a first control of controlling the operation of the circulating device at a first operation level and
a second control of controlling the operation of the circulating device at a second operation level, and
a velocity of the cooling liquid circulating on the light exiting side of the modulation part when the circulating device is controlled at the second operation level is higher than a velocity of the cooling liquid circulating on the light exiting side of the modulation part when the circulating device is controlled at the first operation level.

US Pat. No. 10,656,507

FOCUSING AND LEVELING MEASUREMENT DEVICE AND METHOD

Shanghai Micro Electronic...

1. A measurement device for focusing and leveling, comprising a measuring optical path, a first monitoring optical path, a measuring detector, a reference optical path corresponding to the measuring optical path, and a reference detector,the measuring optical path comprising, sequentially along a direction of propagation of light, a measuring illumination unit, a projection lens group, a detecting lens group and a measuring prism, the measuring illumination unit being configured to emit a measuring light which is projected by the projection lens group onto a wafer and reflected by the wafer onto the measuring detector after propagating through the detecting lens group and the measuring prism, thereby forming a measuring mark;
the first monitoring optical path comprising, sequentially along a direction of propagation of light, a first monitoring illumination unit and the measuring prism, the first monitoring illumination unit being configured to emit a first monitoring light which enters the measuring prism and is then projected onto the measuring detector, thereby forming a first monitoring mark,
the reference optical path comprising, sequentially along a direction of propagation of light, a reference illumination unit that is independent from the measuring illumination unit, the projection lens group, the detecting lens group and a detecting prism, the reference illumination unit being configured to emit a reference light which is projected by the projection lens group onto a reflective surface other than the wafer, and reflected by the reflective surface onto the reference detector after propagating through the detecting lens group and the detecting prism, thereby forming a reference mark.

US Pat. No. 10,656,506

HIGH-SPEED DISPLAY DEVICE, HIGH-SPEED DISPLAY METHOD, AND REALTIME MEASUREMENT-PROJECTION DEVICE

PANASONIC INTELLECTUAL PR...

1. A high-speed display device comprising:a video information input that inputs first video information expressed by original gradation values having a first number of bits at a first frame rate;
a variation gradation value output that generates a set including M variation gradation values having a second number of bits smaller than the first number of bits corresponding to the respective original gradation values;
a video information output that generates second video information having a second frame rate equal to M times the first frame rate by distributing the respective variation gradation values included in the set of the M variation gradation values to M frames; and
a display that displays video based on the second video information,
wherein M is an integer of 2 or more, and
a sum of the M variation gradation values and the original gradation values of the first number of bits have a correlation in each set of the variation gradation values.

US Pat. No. 10,656,505

OPTICAL PROJECTION DEVICE AND PROJECTOR

SEIKO EPSON CORPORATION, ...

1. An optical projection device comprising:a first optical system including lens groups movable along an optical axis; and
a second optical system reflecting light emitted from the first optical system,
wherein the first optical system includes
a first lens frame which holds a first lens group positioned at a side closest to the second optical system side among the movable lens groups and includes a cam pin protruding in a direction orthogonal to the optical axis,
a guide barrel which includes a straight groove along the optical axis and in which the cam pin is inserted into the straight groove, and
a cam barrel which includes a cam groove into which the guide barrel is fitted and with which the cam pin protruding from the straight groove is engaged, is rotated with respect to the guide barrel to guide the cam pin by the straight groove and the cam groove, and moves the first lens frame along the optical axis,
the first lens frame includes a frame protruding portion protruding from the cam barrel to a second optical system side and holding the first lens group, and
a notch is provided in such way that a portion of an end portion of the second optical system side is formed to be cut out at a side through which light reflected by the second optical system passes, in the frame protruding portion.

US Pat. No. 10,656,504

IMAGE CAPTURING APPARATUS AND ACCESSORIES

Canon Kabushiki Kaisha, ...

1. A mount apparatus comprising:a second mount configured to allow coupling to a first mount included in an accessory, the accessory being mountable on and dismountable from the mount apparatus by rotating a plurality of claw portions of the first mount relative to a plurality of claw portions of the second mount in a circumferential direction, wherein
the mount apparatus includes
a plurality of terminals disposed in a circumferential direction of the second mount and configured to be used in electrical connection, and
a terminal holder configured to hold the plurality of terminals,
the terminal holder has a height level difference for holding the plurality of terminals at different positions in a center-axis direction of the second mount,
the plurality of terminals include a first terminal usable in communication at a first voltage level and a second voltage level lower than the first voltage level, and a second terminal usable in communication at the second voltage level, the first terminal and the second terminal being disposed on the same stage of the terminal holder,
the second terminal is a terminal electrically connected to a ground level via a first resistor, and
the first terminal is disposed adjacent to the second terminal.

US Pat. No. 10,656,503

GIMBAL CONTROL

SZ DJI OSMO TECHNOLOGY CO...

1. A method for controlling a gimbal comprising:obtaining a diagonal length of a photosensitive device of a photographing device provided on the gimbal and an equivalent focal length of the photographing device;
determining a current angle of view of the photographing device according to the diagonal length and the equivalent focal length;
determining, according to the current angle of view, an adjustment strategy for adjusting the gimbal, the adjustment strategy allowing the photographing device to output stable images; and
adjusting the gimbal according to the adjustment strategy.

US Pat. No. 10,656,502

RAPID DEPLOYMENT SURVEILLANCE SYSTEM

1. A portable surveillance system comprising:a camera enclosure, the camera enclosure having sidewalls, a top, a bottom, and a window;
a generally planar support plate that is attached to the enclosure at a location along the sidewalls, the support plate having a generally planar body, the generally planar body having a pair of converging sides, the pair of converging sides extending from a plate short edge to a plate long edge, the plate long edge being positioned near the top of the camera enclosure, the long edge being of a first length, the plate short edge being near the bottom of the enclosure, the short edge being of a second length, the second length being shorter than the plate long edge;
a support bracket, the support bracket having a pair of spaced apart slots that are adapted for accepting the pair of converging sides of the support plate, so that the support plate becomes wedged in the support plate slots when inserted into the converging slots of the support bracket, so that the support bracket accepts and retains the support plate and the enclosure.

US Pat. No. 10,656,501

HEATING DEVICE FOR A CAMERA LENS

1. A heating device for a lens of a camera, comprising:at least one body comprising at least one matrix material and at least one conductive material, the conductive material being dispersed in the matrix material to form a conductive mass; and
at least two electrical contacts contacting the conductive mass for applying an electrical voltage to the conductive mass,
wherein the heating device is adapted to be removably attached to a housing of the camera, and
wherein the body comprises an annular opening for removably arranging the body around the housing of the camera.

US Pat. No. 10,656,500

IMAGINING DEVICE WITH FOCUSED ILLUMINATION

ENVIROSIGHT LLC, Randolp...

1. An imaging system having a forward and rearward orientation, said system comprising:at least one housing;
at least one light source;
an imaging device in said housing and comprising a zooming lens having an optical axis, wherein said zooming lens of said imaging device defines a position point within said housing;
a positioning system comprising an elongated member for positioning said imaging device; and
a tilting mechanism comprising a rack and pinion mechanism wherein one of said rack or pinion is affixed to said housing, and the other component is affixed to said position system, wherein said rack is curved and said pinion interengages said rack such that rotating the pinion causes the rack to move relative to the pinion such that said housing pivots around said position point.

US Pat. No. 10,656,499

WEBCAM SHUTTER

Hewlett-Packard Developme...

1. An apparatus, comprising:a shutter for selectively covering a camera lens; and
a manually operable actuator positioned to engage the shutter for translation of the shutter in a lateral direction, wherein the manually operable actuator includes a threaded roller to convert rotation of the roller into translation of the shutter.

US Pat. No. 10,656,498

BEAM STEERING DEVICE AND SYSTEM INCLUDING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. A beam steering device configured to steer a beam incident from a light source towards an object, comprising:a waveguide configured to transmit the beam incident from the light source therethrough;
a cladding layer provided on the waveguide and comprising a material having a refractive index that varies according to a voltage applied thereto;
an electrode layer comprising at least two electrodes configured to independently apply voltages to at least two portions of the cladding layer to steer the beam to the object; and
an insulating material provided between the at least two electrodes,
wherein the electrode layer comprises a first portion configured to apply a first voltage to a first portion of the cladding layer and a second portion configured to apply a second voltage to a second portion of the cladding layer, the first voltage and the second voltage being greater than zero, and
wherein a boundary between the first portion and the second portion has a stepped structure based on the first voltage and the second voltage.

US Pat. No. 10,656,497

POLARIZATION SCENE PROJECTOR

The Government of the Uni...

1. A scene projector, comprising:a first cycloidal diffractive waveplate positioned to receive light from a light source, the first cycloidal diffractive waveplate comprising a plurality of first pixels that are switchable such that optical energy of light from a zero order passes through a first pixel along an optical axis and optical energy of light from plus and minus first orders is deflected away from the optical axis through the first pixel;
a second cycloidal diffractive waveplate disposed downstream of the light source and the first cycloidal diffractive waveplate, the second cycloidal diffractive waveplate comprising a plurality of second pixels positioned to receive diffracted orders of light from the first cycloidal diffractive waveplate, where there are at least three second pixels for one first pixel, the three second pixels corresponding to each diffracted order received from the one first pixel;
a first reflective surface positioned to receive diffracted orders of light from the second cycloidal diffractive waveplate; and
a second reflective surface positioned to receive diffracted orders of light from the second cycloidal diffractive waveplate, where each of the first reflective surface and the second reflective surface direct at least some light received from the second cycloidal diffractive waveplate toward a grating structure.

US Pat. No. 10,656,496

MONOLITHICALLY INTEGRATED LARGE-SCALE OPTICAL PHASED ARRAY

University of Southern Ca...

1. An optical device comprising:a row of optical units, each of the optical units including an optical antenna and an associated optical variable phase shifter, the optical antenna of each optical unit being configured to radiate or receive an optical signal, the row of optical units being grouped into sub-rows of optical units, each sub-row of optical units including a respective portion of the optical antennas and a respective portion of the associated optical variable phase shifters;
a first optical power splitter optically coupled to a first optical input/output element; and
a first plurality of boundary adjustment elements, each corresponding one of the first plurality of boundary adjustment units being optically coupled to the first optical power splitter and a corresponding one of the sub-rows of optical units, each corresponding one of the first plurality of boundary adjustment elements including (i) a sub-row optical variable phase shifter optically coupled to a corresponding sub-row of optical units and (ii) a sub-row optical variable amplitude adjuster optically coupled to the corresponding sub-row of optical units,
wherein a phase of the optical signal of the optical antenna of a respective one of the optical units is determined by at least (i) the optical variable phase shifter associated with the respective one of the optical units and (ii) the sub-row optical variable phase shifter of the corresponding one of the first plurality of boundary adjustment elements optically coupled to the corresponding sub-row of optical units of the respective one of the optical units, and
wherein an amplitude of the optical signal of the respective optical unit is determined by at least the sub-row optical amplitude adjuster of the corresponding one of the first plurality of boundary adjustment elements optically coupled to the corresponding sub-row of optical units of the respective one of the optical units.

US Pat. No. 10,656,495

OPTICAL SHEET, SCREEN, AND DISPLAY APPARATUS

DAI NIPPON PRINTING Co., ...

1. An optical sheet comprising a particle layer includinga transparent retaining part that has a predetermined thickness,
at least one particle, and
at least one cavity, wherein
the particle is accommodated in the cavity formed in the retaining part and includes a first portion and a second portion having different dielectric constants,
the cavity is larger than the particle,
a liquid is provided in the cavity and outside the particle so that the particle is movable in the cavity,
the first portion includes a transparent first main portion and a first diffusion component that diffuses light,
the second portion includes a transparent second main portion and a second diffusion component that diffuses light, and
the first diffusion component and the second diffusion component have a respective diameter d satisfying the following conditional expression (1):
0.1 ?m

US Pat. No. 10,656,494

DISPLAY PANEL AND MANUFACTURING METHOD THEREOF, DISPLAY DEVICE, AND METHOD OF CONTROLLING BRIGHTNESS

BOE TECHNOLOGY GROUP CO.,...

1. A display panel, comprising:a first transparent electrode layer disposed at a light-exiting side of the display panel;
a second transparent electrode layer disposed at a light-incident side of the display panel;
a dielectric layer disposed between the first transparent electrode layer and the second transparent electrode layer; and
a plurality of charged particles disposed in the dielectric layer and comprising:
first charged particles, the first charged particles being configured to have a first state and a second state, wherein the first charged particles in the first state are configured to move to an inner surface of the second transparent electrode layer, such that the display panel is in bright state, and the first charged particles in the second state are configured to move to an inner surface of the first transparent electrode layer, such that the display panel is in dark state;
second charged particles filled in gaps between the first charged particles in the first state and the inner surface of the second transparent electrode layer, the second charged particles being configured to direct an incident light to the first charged particles in the first state, and the first charged particles in the first state are further configured to scatter the incident light into the dielectric layer and exit through the first transparent electrode;
wherein a refractive index of the second transparent electrode layer is greater than a refractive index of the dielectric layer, such that the incident light entering into the dielectric layer from the second transparent electrode layer is totally reflected back into the second transparent electrode layer at an interface between the second transparent electrode layer and the dielectric layer, and the display panel is in the dark state, and
wherein a size of each second charged particle is smaller than a size of each first charged particle.

US Pat. No. 10,656,493

TWO PARTICLE ELECTROPHORETIC LAMINATE FOR USE WITH SMART WINDOWS

University of Cincinnati,...

1. A laminate including electro kinetic pixels comprising:a transparent first layer coated with a planar first electrode;
a second layer coated with a planar second electrode;
a foraminous insulating third layer between said first layer and said second layer, said foraminous insulating third layer comprising a plurality of holes that extend to the second electrode;
a third electrode having a grid structure;
an insulating fourth layer contacting said first electrode and said third electrode, and insulating said first electrode from said third electrode;
a cell gap between said insulating fourth layer and said second electrode;
said cell gap including a colloidal dispersion of first particles and second particles;
said first particles having a first charge and a first optical property;
said second particles having a second charge different from said first charge and a second optical property different from said first particle; and
wherein said third electrode is separated from said first and second electrodes.

US Pat. No. 10,656,492

PRETREATMENT OF TRANSPARENT CONDUCTIVE OXIDE (TCO) THIN FILMS FOR IMPROVED ELECTRICAL CONTACT

View, Inc., Milpitas, CA...

1. A method of fabricating an optical device, the method comprising:i) applying a sacrificial material layer only to a portion of the area of one or more sub-layers of the optical device;
ii) depositing one or more material layers of the optical device on the sacrificial material layer and the one or more sub-layers of the optical device; and
iii) applying a laser to the portion to ablate the optical device to remove the sacrificial material layer and any overlying layers.

US Pat. No. 10,656,491

LIQUID-CRYSTAL DISPLAY HAVING ALTERNATING SOURCE AND DRAIN ELECTRODE BRANCHES

Samsung Display Co., Ltd....

1. A liquid-crystal display comprising:a gate line having a length in a first direction;
a gate electrode protruding from the gate line;
a gate insulating layer arranged on the gate electrode;
an active layer arranged on the gate insulating layer and insulated from the gate electrode, the active layer comprising a semiconductor material;
a data line arranged on the active layer and having a length in a second direction crossing the first direction;
a source electrode protruding from the data line, having a portion overlapping the gate electrode on a plane, and comprising:
a plurality of source electrode branches that are separate from each other; and
a plurality of source electrode islands that are separate from the plurality of source electrode branches;
a drain electrode separate from the source electrode, and comprising:
a plurality of drain electrode branches, each being arranged between two of the plurality of source electrode branches;
a plurality of drain electrode islands separate from the plurality of drain electrode branches; and
a drain electrode connecting part connecting the plurality of drain electrode branches;
a pixel electrode defining a pixel region having a first width in the first direction and a second width in the second direction, the second width being less than the first width, and arranged on the drain electrode so as to be electrically connected to the drain electrode;
a liquid-crystal layer arranged on the pixel electrode; and
a storage capacitor comprising a lower electrode and an upper electrode, the lower electrode being arranged at the same layer level as the gate electrode and the upper electrode extends from the drain electrode,
wherein the plurality of source electrode islands alternate with the plurality of drain electrode branches, and the plurality of drain electrode islands alternate with the plurality of source electrode branches,
wherein the active layer extends under the drain electrode connecting part to be between the lower electrode and the upper electrode of the storage capacitor,
wherein each of the plurality of source electrode branches comprises a first source electrode region being adjacent to the data line and having a third width, and a second source electrode region extending from the first source electrode region and having a fourth width, the fourth width being less than the third width,
wherein each of the plurality of drain electrode branches comprises a first drain electrode region being adjacent to the drain electrode connecting part and having a fifth width, and a second drain electrode region extending from the first drain electrode region and having a sixth width, the sixth width being less than the fifth width, and
wherein the third width of the first source electrode region and the fifth width of the first drain electrode region have substantially the same value, and the fourth width of the second source electrode region and the sixth width of the second drain electrode region have substantially the same value wherein the plurality of source electrode islands and the plurality of drain electrode islands overlap the gate electrode on the plane.

US Pat. No. 10,656,490

DISPLAY DEVICE

Japan Display Inc., Toky...

1. A display device comprising:a first substrate which includes a first conductive layer;
a second substrate which includes a basement which has a first surface opposed to the first substrate and a second surface opposite to the first surface;
a display function layer between the first substrate and the second substrate;
a second conductive layer which is disposed above the second surface of the basement and is opposed to a display area where an image is displayed; and
a connecting material which electrically connects the first conductive layer to the second conductive layer, wherein
the basement has a first hole,
the connecting material gets through the first hole and is in contact with the first conductive layer and the second conductive layer, and
a fixed potential which is a ground potential is applied to the first conductive layer.

US Pat. No. 10,656,489

LIQUID CRYSTAL DISPLAY DEVICE

Mitsubishi Electric Corpo...

1. A liquid crystal display device comprising:an array substrate; and
a counter substrate opposed to the array substrate, the array substrate and the counter substrate being bonded to each other so as to enclose liquid crystal,
wherein
the array substrate includes a display region and a peripheral region,
a plurality of scanning lines and a plurality of signal lines that cross the scanning lines with an insulating film interposed therebetween extend from the display region to the peripheral region,
the scanning lines and the signal lines cross each other in the display region to define respective pixels,
the scanning lines include a plurality of first scanning lines and a plurality of second scanning lines,
each of the first scanning lines drives a smaller number of the pixels than a number of the pixels driven by any of the second scanning lines,
a first capacitance is added to a first one of the first scanning lines in the peripheral region, and a second capacitance is added to a second one of the first scanning lines in the peripheral region, and
the array substrate includes two opposing edge sides, each extending obliquely with respect to an extending direction of the first scanning lines to form a recessed region that increases in width in a direction away from the second scanning lines toward an outer edge of the array substrate, such that the first one of the first scanning lines closest to the second scanning lines is longer than the second one of the first scanning lines further away from the second scanning lines, and a value of the first capacitance is smaller than a value of the second capacitance.

US Pat. No. 10,656,488

ARRAY SUBSTRATE HAVING COMMON ELECTRODE THAT DOES NOT OVERLAP WITH GATE LINE, DISPLAY PANEL AND DISPLAY DEVICE

BOE Technology Group Co.,...

1. An array substrate, comprising:an insulation substrate, gate lines arranged on the insulation substrate to extend in a first direction, and data lines arranged on the insulation substrate to extend in a second direction, and to be insulated from the gate lines, the gate lines intersect with the data lines to define a plurality of pixel areas, each pixel area has a larger length in the first direction than that in the second direction, wherein a gate insulation layer, a passivation layer, and a pixel electrode layer with a plurality of pixel electrodes are arranged sequentially above the gate lines, and a projection of each of the plurality of pixel electrodes on the insulation substrate covers a projection of each of the gate lines on the insulation substrate;
wherein the array substrate further comprises a plurality of common electrodes, and a projection of each of the plurality of common electrodes on the insulation substrate and the projection of each of the gate lines on the insulation substrate do not overlap with each other.

US Pat. No. 10,656,487

ARRAY SUBSTRATE WITH PATTERNED LIGHT-BLOCKING LAYER FOR PREVENTING REFLECTION OF AMBIENT LIGHT, MANUFACTURING METHOD THEREOF, CORRESPONDING DISPLAY PANEL AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. An array substrate, comprising a display area and a non-display area,wherein the display area comprises a plurality of pixel regions and a pixel definition region between various pixel regions,
wherein the array substrate further comprises a base substrate, as well as a patterned metal layer and a patterned light-blocking layer superimposed in the pixel definition region on the base substrate, wherein the patterned light-blocking layer is closer to a light incident side of the array substrate than the patterned metal layer is,
wherein the patterned light-blocking layer is made of a non-metallic material,
wherein an orthogonal projection of the patterned light-blocking layer on the pixel definition region at least partially overlaps that of the patterned metal layer on the pixel definition region, and
wherein the patterned light-blocking layer is made of a rod quantum dot material and only allows passage of light in one polarization direction, and a long-axis direction of rod quantum dots in the rod quantum dot material is the same as said one polarization direction.

US Pat. No. 10,656,486

DISPLAY PANEL AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A display panel, comprising:a first signal line;
a second signal line:
a test line connected to the first signal line and arranged to test a signal of the first signal line; and
a dummy line extending in a direction consistent with that of the test line and arranged to prevent occurrence of electrostatic discharge on the test line;
wherein the test line and the dummy line have an overlapping region with the second signal line, respectively, a ratio of an area of the overlapping region between the dummy line and the second signal line to an area of the dummy line is smaller than a ratio of an area of the overlapping region between the test line and the second signal line to an area of the test line, and the dummy line is not in electrical connection with the test line, the first signal line, and the second signal line, and
wherein the first signal line is a gate line and the second signal line is a data line.

US Pat. No. 10,656,485

DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME

Panasonic Liquid Crystal ...

1. A display device comprising:a first translucent substrate;
a second translucent substrate that is disposed on a display surface side while opposed to the first translucent substrate; and
a first light reduction unit that reduces a transmission amount of visible light while overlapping a bright point defect portion in planar view in at least one of the first translucent substrate and the second translucent substrate,
wherein the first light reduction unit has a circular shape including a first region disposed in a center and a second region disposed around the first region, and
transmittance to the visible light in the first region is higher than transmittance to the visible light in the second region.

US Pat. No. 10,656,484

DISPLAY PANEL INCLUDING CORRESPONDING PIXEL ELECTRODE AND MARKER

Samsung Display Co., Ltd....

1. A display panel comprising:a first gate line;
a first data line;
a first switching element comprising a first gate electrode, a first source electrode, and a first drain electrode, wherein the first gate electrode is electrically connected to the first gate line, and wherein the first source electrode is electrically connected to the first data line;
a first pixel electrode electrically connected to the first drain electrode, comprising a first bar portion, and comprising a first branch, wherein the first branch is oblique relative to the first bar portion in a plan view of the display panel; and
a first conductive member comprising a first extending portion and a first maker, wherein the first marker protrudes from the first extending portion in the plan view of the display panel and overlaps the first branch.

US Pat. No. 10,656,483

SEMICONDUCTOR APPARATUS AND METHOD FOR MANUFACTURING SEMICONDUCTOR APPARATUS

SHARP KABUSHIKI KAISHA, ...

1. A semiconductor device, comprising:a substrate;
a thin film transistor supported by the substrate;
a scanning line supplying a scanning signal to the thin film transistor; and
a signal line supplying a display signal to the thin film transistor, wherein
the thin film transistor includes:
an oxide semiconductor layer including a channel region, and a first contact region and a second contact region respectively located to two sides of the channel region,
a gate insulating layer provided to cover the oxide semiconductor layer,
a gate electrode provided on the gate insulating layer, the gate electrode overlapping the channel region of the oxide semiconductor layer with the gate insulating layer being located between the gate electrode and the channel region,
a source electrode electrically connected with the first contact region of the oxide semiconductor layer, and
a drain electrode electrically connected with the second contact region of the oxide semiconductor layer,
the semiconductor device further comprises a light blocking layer located between the oxide semiconductor layer and the substrate,
the channel region is aligned to a portion of the light blocking layer that overlaps the oxide semiconductor layer,
the gate electrode and the source electrode are made of a same conductive film,
the semiconductor device further includes:
a pixel electrode electrically connected with the drain electrode, and
a common electrode located above or below the pixel electrode,
the signal line is made of the same conductive film as that of the gate electrode and the source electrode, and
the scanning line includes a first portion made of the same conductive film as that of the signal line and a second portion made of a same transparent conductive film as that of the pixel electrode or the common electrode, the second portion being electrically connected with the first portion.

US Pat. No. 10,656,482

THIN-FILM TRANSISTOR SUBSTRATE AND LIQUID CRYSTAL DISPLAY

Mitsubishi Electric Corpo...

1. A thin-film transistor substrate which includes a display area having a plurality of pixels which are arranged in a matrix, comprising:a supporting substrate;
a gate line which is provided on said supporting substrate and includes a gate electrode placed in each of said pixels;
a gate insulating film with which said gate line is covered;
a channel layer which is provided on each of said gate electrodes via said gate insulating film and is formed of an oxide semiconductor;
a source line which is placed in each of said pixels and includes a source electrode which is in contact with said channel layer;
a drain electrode which is placed in each of said pixels, and is in contact with said channel layer, said drain electrode being distant from said source electrode;
a first insulating film which is provided on said channel layer, said source line, and said drain electrode, and includes a drain contact hole which reaches said drain electrode;
a pixel electrode which is provided on said first insulating film in each of said pixels, and includes a connection conductive layer electrically connected to said drain electrode by said drain contact hole, said pixel electrode being formed of a transparent conductive material;
a second insulating film with which said pixel electrode is covered;
a common electrode which is provided on said second insulating film, and includes an opening facing said pixel electrode in a thickness direction, said common electrode being formed of a transparent conductive material; and
a metal layer which forms a laminated structure in conjunction with a part of said common electrode, and includes a light-shield part which overlaps said channel layer at least partially in plan view, wherein
said metal layer is provided on a part of said first insulating film in a same layer as said pixel electrode, and
said metal layer is covered with said second insulating film.

US Pat. No. 10,656,481

LIQUID CRYSTAL DISPLAY DEVICE

PANASONIC LIQUID CRYSTAL ...

1. A liquid crystal display device, comprising:a display panel, the display panel including four sides, one of the four sides having a cut edge, the display panel including:
a display region in which an image is to be displayed, the display region includes a plurality of pixels arrayed into a matrix shape in row and column directions, drain lines, and gate lines;
a non-display region, the non-display region surrounds the display region, wherein the non-display region includes a non-light transmitting layer that restricts light transmission therethrough, and the non-display region includes at least two sides disposed opposite from the cut edge; and
a plurality of slits disposed in the non-light transmitting layer,
wherein an edge of the non-light transmitting layer is co-planar with the cut edge and the plurality of slits are parallel to the cut edge,
wherein the plurality of slits are covered by at least one color filter.

US Pat. No. 10,656,480

TRANSMITTANCE-VARIABLE FILM

LG Chem, Ltd., (KR)

1. A transmittance-variable film comprising a first liquid crystal cell comprising a first guest-host liquid crystal layer; and a second liquid crystal cell comprising a second guest-host liquid crystal layer,wherein the first and second liquid crystal cells are included to overlap each other,
each of the first and second liquid crystal cells is switchable between vertically aligned and horizontally aligned states, and
the first liquid crystal cell in the horizontally aligned state has an optical axis ranging from 40° to 50° in a clockwise direction with respect to a width axis of the first liquid crystal cell, and the second liquid crystal cell in the horizontally aligned state has an optical axis ranging from 130° to 140° in a clockwise direction with respect to a width axis of the second liquid crystal cell,
wherein the width axis is parallel to a major-axis of the respective liquid crystal cell,
wherein the first liquid crystal cell sequentially comprises a first vertical alignment film, the first guest-host liquid crystal layer, and a second vertical alignment film, and the second liquid crystal cell sequentially comprises a third vertical alignment film, the second guest-host liquid crystal layer, and a fourth vertical alignment film, and
wherein the first to fourth vertical alignment films have a pretilt angle ranging from 70° to 89°, a pretilt direction of each of the first and second vertical alignment films is in a range of 40° to 50° in a clockwise direction with respect to a width axis direction of the first liquid crystal cell, and a pretilt direction of each of the third and fourth vertical alignment films is in a range of 130° to 140° in a clockwise direction with respect to a width axis direction of the second liquid crystal cell.

US Pat. No. 10,656,479

DISPLAY DEVICE

Japan Display Inc., Toky...

1. A display device comprising:an earth pad;
a lead wire of the earth pad; and
a metal wire,
wherein the earth pad has a first edge and a second edge opposed to the first edge,
wherein the metal wire overlaps with the earth pad and extends from the first edge to the second edge, and
wherein the metal wire intersects with the first edge and the second edge.

US Pat. No. 10,656,478

ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, AND DISPLAY PANEL

BOE TECHNOLOGY GROUP CO.,...

1. An array substrate, comprising a substrate, a thin film transistor disposed on the substrate, and a common electrode including a first hollowed-out portion and disposed on a side of the thin film transistor away from the substrate,wherein, the thin film transistor comprises an active layer, the active layer comprising a source electrode region, a drain electrode region and a channel region, and an orthographic projection of the first hollowed-out portion on the substrate completely covers orthographic projections of the active layer and a source electrode on the substrate.

US Pat. No. 10,656,477

LIQUID CRYSTAL DISPLAY DEVICE

Sakai Display Products Co...

1. A liquid crystal display apparatus comprising:pixels which are arranged in a matrix and each of which has at least first and second subpixels defined to include an electrode pair of a subpixel electrode and a counter electrode facing each other with a liquid crystal layer interposed therebetween;
first and second switching elements for applying a data signal to subpixel electrodes included in the first and second subpixels;
a scanning signal line for applying a scanning signal to control electrodes of the first and second switching elements for each row of the matrix;
an electrode pair of a discharge capacitor electrode included in the second subpixel and a discharge capacitor counter electrode connected to a predetermined potential;
a third switching element connected between the discharge capacitor electrode and the subpixel electrode of the second subpixel; and
a discharge signal line for applying a discharge signal for turning on the third switching element to a control electrode of the third switching element for each row of the matrix,
wherein a leading edge of the discharge signal applied to one pixel is delayed by a predetermined time or more compared with a trailing edge of a scanning signal which rises after a scanning signal applied to the one pixel, and
wherein the signal width of the scanning signal is shorter than the length of one horizontal scanning period,
the liquid crystal display apparatus further comprising:
a signal-to-signal connection line connecting the discharge signal line to a scanning signal line of a row, which is scanned after N horizontal scanning periods (N is an integer of 2 or more);
two data signal lines for applying data signals, which are different alternately for respective rows of the matrix, to one end of each of the first and second switching elements for each column of the matrix;
a scanning signal connection line connecting scanning signal lines to each other for the two rows and a discharge signal connection line which connects discharge signal lines to each other for the two rows and is connected to the signal-to-signal connection line;
a common scanning signal line for applying a scanning signal common to the two rows to the scanning signal connection line; and
a liquid crystal panel in which the signal-to-signal connection line and the common scanning signal line are wired in an edge portion,
wherein two adjacent rows are simultaneously scanned and the signal-to-signal connection line is wired in common to the two rows, and intersects with (N?1) common scanning signal lines.

US Pat. No. 10,656,476

LIQUID CRYSTAL PANEL

SHARP KABUSHIKI KAISHA, ...

1. A liquid crystal panel comprising:a first substrate including pixel electrodes and a common electrode overlapping the pixel electrodes;
a second substrate having a display surface displaying an image thereon and being arranged opposite the first substrate, the second substrate including a transparent electrode overlapping the common electrode;
a liquid crystal layer disposed between the first substrate and the second substrate; and
a spacer having conductivity and disposed in a display region where the image is displayed and disposed between the first substrate and the second substrate and being contacted with the common electrode and the transparent electrode, wherein
the spacer includes a first projecting section projecting from the common electrode toward the transparent electrode and a second projecting section projecting from the transparent electrode toward the common electrode and the second projecting section has a projected end that is contacted with a projected end of the first projecting section,
the first substrate includes a first alignment film between the common electrode and the liquid crystal layer, and
the second substrate includes a second alignment film between the transparent electrodes and the liquid crystal layer.

US Pat. No. 10,656,475

PIXEL ELECTRODE STRUCTURE AND LIQUID CRYSTAL DISPLAY PANEL

SHENZHEN CHINA STAR OPTOE...

1. A pixel electrode structure of a liquid crystal display panel, comprising:a first trunk electrode and a second trunk electrode, the first trunk electrode and the second trunk electrode intersecting with each other to form a plurality of liquid crystal alignment regions; and
a plurality of branch electrodes, one end of each branch electrode being connected with at least one of the first trunk electrode and the second trunk electrode, and branch electrodes distributed in a same liquid crystal alignment region being parallel to one another,
wherein in each of the liquid crystal alignment regions, distances between adjacent branch electrodes gradually decrease along a direction away from a center of the liquid crystal alignment region;
wherein in each liquid crystal alignment region, an occupancy space corresponding to a sub branch electrode is equal to an occupancy space corresponding to any other sub branch electrode; and
wherein the occupancy space is a sum of a width of a sub branch electrode and a distance between the sub branch electrode and an adjacent branch electrode that is near to the central branch electrode.

US Pat. No. 10,656,474

DISPLAY PANEL

LG Display Co., Ltd., Se...

1. A display panel comprising:a display area;
a first signal line portion disposed along an outer peripheral portion of the display area;
a second signal line portion disposed along an outer peripheral portion of the first signal line portion and spaced from the first signal line portion; and
a sealant disposed on at least a portion of an outer peripheral portion of the second signal line portion and disposed on a side surface and an upper surface of the second signal line portion,
wherein the second signal line portion includes a first type of lines disposed in a first direction and a second type of lines disposed in a second direction, perpendicular to the first direction, wherein a number of the first type of lines is different from a number of the second type of lines,
wherein one type of lines among the first type of lines and the second type of lines is disposed in between an edge of the display area and an edge of the display panel, and a remaining type of lines among the first type of lines and the second type of lines is disposed in between the edge of the display area and the edge of the display panel.

US Pat. No. 10,656,473

CURVED DISPLAY PANEL AND CURVED DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A curved display panel, comprising a first substrate and a second substrate cell-assembled to each other, a spacer layer disposed between the first substrate and the second substrate and configured to support the first substrate and the second substrate so as to form a gap, and a liquid crystal layer disposed in the gap, wherein the spacer layer comprises a plurality of spacer groups, each of the plurality of spacer groups comprises a first spacer provided on the first substrate and a second spacer provided on the second substrate, the plurality of spacer groups has a total supporting area on the first substrate as same as a total supporting area on the second substrates;wherein a first area, a second area, a third area, a fourth area and a fifth area that are parallel to a non-curved edge and are equal in size are sequentially selected along a direction parallel to the non-curved edge of the curved display panel, wherein a first trisector of the curved display panel in the non-curved direction is located in the second area, and a second trisector of the curved display panel in the non-curved direction is located in the fourth area, the first and second trisectors are lines that are parallel to non-curved edges of the curved display panel and divide the curved display panel into three regions equal in size;
a total supporting area of the plurality of spacer groups on the first substrate or the second substrate in any one of the second area and the fourth area is greater than a total supporting area of the plurality of spacer groups on the first substrate or the second substrate in any one of the first area, the third area and the fifth area; and
wherein a bottom surface area of any one of the first spacer and the second spacer of the each of the plurality of spacer groups in any one of the second area and the fourth area is greater than a bottom surface area of any one of the first spacer and the second spacer of the each of the plurality of spacer groups in any one of the first area, the third area and the fifth area, and a top surface area of any one of the first spacer and the second spacer of the each of the plurality of spacer groups in any one of the second area and the fourth area is greater than a top surface area of any one of the first spacer and the second spacer of the each of the plurality of spacer groups in any one of the first area, the third area and the fifth area.

US Pat. No. 10,656,472

LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY DEVICE

BOE Technology Group Co.,...

1. A liquid crystal display panel, comprising a color filter substrate and an array substrate which are connected by box aligning, wherein:a plurality of positioners protruding toward the color filter substrate are arranged on a side of the array substrate facing the color filter substrate, at least one of the positioners is arranged between every two adjacent pixels, and each of the positioners comprises two stoppers distributed in an extension direction of data line in the array substrate;
a plurality of spacers protruding toward the array substrate are arranged on a side of the color filter substrate facing the array substrate, and each of the spacers is arranged facing one of the positioners; and an end of each of the spacers facing the array substrate contacts a positioner faced by itself, and can slide relative to the positioner in the extension direction of data line; and
each of the stoppers is configured to contact with a spacer faced by itself when the spacer slides relative to the positioner to thereby limit a moving distance of the spacer in the extension of data line over a distance.

US Pat. No. 10,656,471

LIQUID CRYSTAL DISPLAY PANEL AND ITS METHOD OF MANUFACTURE, LIQUID CRYSTAL DISPLAY DEVICE

SHENZHEN CHINA STAR OPTOE...

1. A liquid crystal display device, comprising:a backlight source; and
a liquid crystal display panel comprising an array substrate, a color filter substrate, a sealant connecting the array substrate and the color filter substrate, and a liquid crystal between the array substrate and the color filter substrate;
wherein a photoluminescent material is disposed on at least one of the array substrate and the color film substrate corresponding to the sealant, the photoluminescent material is configured to emit a second light under an excitation of a first light, the second light is configured to solidify the sealant, the photoluminescent material is at least partially disposed on a light passage of the first light;
wherein the photoluminescent material is a quantum dot film, an excitation wavelength of the photoluminescent material is 300-400 nm, and an emission wavelength of the photoluminescent material is 350-500 nm;
wherein the photoluminescent material comprises at least one first photoluminescent part and at least one second photoluminescent part, each first photoluminescent part is disposed at a corresponding gap between circuit lines on the array substrate, a first width of each first photoluminescent part is smaller than a second width of the corresponding gap between the circuit lines.

US Pat. No. 10,656,470

DISPLAY DEVICE

Japan Display Inc., Mina...

1. A display device comprising:a first substrate;
a second substrate facing the first substrate;
an adhesive with which the first substrate is attached to the second substrate;
a liquid crystal layer provided between the first substrate and the second substrate;
a terminal portion provided in the first substrate, and supplied with a signal from an external circuit; and
a reflective material contained in the adhesive, wherein
the second substrate has flexibility and comprises an alignment film which aligns a liquid crystal molecule of the liquid crystal layer,
the terminal portion is provided on an external side in comparison with the adhesive as seen in plan view,
the adhesive comprises a first area which is in contact with the second substrate, and a second area which is not in contact with the second substrate, as seen in plan view,
the second area is provided on an external side in comparison with the first area,
the terminal portion and the second area are exposed from the second substrate, and
the alignment film extends to a boundary between the first area and the second area.

US Pat. No. 10,656,469

RUBBING ALIGNMENT DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A rubbing alignment device comprising: a friction member, the friction member comprising at least two friction rollers, anda friction member controller,
wherein the friction member controller is connected to the friction member for controlling respective friction rollers of the friction member to perform rubbing alignment for substrates having different sizes of a motherboard respectively,
wherein the friction member further comprises an elevating mechanism corresponding to each of the friction rollers, the friction roller including a rotation shaft and a friction cloth on the rotation shaft,
wherein the friction member controller comprises a first controller connected to the rotation shaft of the friction roller for driving the friction roller to rotate, and a second controller connected to the elevating mechanism for driving the elevating mechanism to ascend or descend,
wherein the elevating mechanism comprises a roller clamping device, a support beam, a connection structure, a transmission member and a limit sensor, the roller clamping device being connected to the rotation shaft of the friction roller, the support beam being located between the roller clamping device and the connection structure, the transmission member being connected to the second controller.

US Pat. No. 10,656,468

DISPLAY DEVICE WITH A CAPACITIVE TOUCH PANEL

ZEON CORPORATION, Tokyo ...

1. A display device with a capacitive touch panel comprising a laminate between a display panel and a cover layer, the laminate having a viewing-side polarizing plate, a first conductive layer, a dielectric layer, and a second conductive layer, the first conductive layer, the dielectric layer, and the second conductive layer constituting a capacitive touch sensor, whereinthe first conductive layer is formed on one surface of the viewing-side polarizing plate,
the dielectric layer is formed on a surface of the first conductive layer opposite to the viewing-side polarizing plate, and
the second conductive layer is formed on a surface of the dielectric layer opposite to the first conductive layer.

US Pat. No. 10,656,467

LIQUID CRYSTAL MODULE

SHARP KABUSHIKI KAISHA, ...

1. A liquid crystal module comprising:a liquid crystal panel including
a first substrate,
a second substrate provided on an observation side of the first substrate,
a liquid crystal layer provided between the first substrate and the second substrate,
a first polarizer provided on a back side of the first substrate,
an in-cell retardation layer provided between the second substrate and the liquid crystal layer, and
a circularly polarizing plate provided on an observation side of the second substrate; and
a backlight provided on a back side of the liquid crystal panel,
wherein
the circularly polarizing plate includes a second polarizer and an out-cell retardation layer provided between the second substrate and the second polarizer;
the in-cell retardation layer is a ?/4 plate, and has three principal refractive indexes satisfying a relationship of nx>ny=nz;
the out-cell retardation layer is a ?/4 plate, and has three principal refractive indexes satisfying a relationship of nx>ny?nz;
the backlight includes a first prism sheet provided with an uneven portion including a first ridge line, and a second prism sheet provided on a back side from the first prism sheet and provided with an uneven portion including a second ridge line orthogonal to the first ridge line; and
the first ridge line is parallel to an azimuth at which the liquid crystal panel has a maximized transmittance in an oblique direction during black display.

US Pat. No. 10,656,466

WAVELENGTH CONVERSION SUBSTRATE, LIQUID-CRYSTAL ELEMENT, LIQUID-CRYSTAL MODULE, AND LIQUID-CRYSTAL DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A wavelength conversion substrate comprising:a first substrate having an optical transparency; and
a plurality of light modulation units periodically provided at intervals from one another, the plurality of light modulation units being provided on one surface of the first substrate, the plurality of light modulation units being configured to modulate a spectrum of incident light in accordance with a polarization state of the incident light,
wherein each of the plurality of light modulation units comprises:
a metallic structure provided on one surface of the first substrate and configured to exhibit plasmon resonance due to the incident light, a period ? of the plurality of metallic structures being 50 nm a wavelength conversion unit provided so that the wavelength conversion unit is adjacent to the metallic structure and comprising a wavelength converting material configured to emit light in a wavelength band different from a wavelength band of the incident light,
wherein the wavelength conversion unit is provided between the metallic structure and the first substrate, and
wherein a surface of the wavelength conversion unit has convex shape toward the metallic structure, the surface being in contact with the metallic structure.

US Pat. No. 10,656,465

WIDE COLOR-GAMUT VEHICLE INFOTAINMENT DISPLAY SYSTEM WITH QUANTUM DOT ELEMENT

HARMAN INTERNATIONAL INDU...

1. A display device, comprising:a light source that includes a blue light-emitting diode (LED) configured to generate a blue output light;
a nanocrystal material that is disposed between the light source and a liquid crystal module, the nanocrystal material configured to:
receive the blue output light,
convert a first portion of the blue output light to a green light emission,
convert a second portion of the blue output light to a red light emission, and
transmit a remainder portion of the blue output light;
a liquid crystal module configured to receive the green light emission, the red light emission, and the remainder portion of the blue output light and generate an image that includes a portion of the green light emission, a portion of the red light emission, and a portion of the remainder portion of the blue output light; and
a light guide assembly, comprising:
a planar light guide optically coupled to a light-receiving surface of the liquid crystal module and configured to:
receive incident light traveling in a first direction, and
direct the incident light in a second direction toward the light-receiving surface of the liquid crystal module,
wherein the nanocrystal material is disposed outside of a region defined between (i) a first plane defined by a front surface of the planar light guide, and (ii) a second plane defined by a rear surface of the planar light guide opposite the front surface; and
a curved light guide optically coupled to the planar light guide and configured to:
receive light traveling in a third direction from the light source, and
direct the light in the first direction toward the planar light guide,
wherein the third direction is different than the first direction.

US Pat. No. 10,656,464

LIGHTING DEVICE AND DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A lighting device comprising a substrate, a light source provided on a surface of the substrate, and a light diffusing member configured to diffuse light emitted from the light source,wherein the light diffusing member comprises a sheet base or a film base having a light-diffusing resin layer, and at least one projection that protrudes in a direction of the substrate and that is integrated with the sheet base or the film base,
further comprising a plate-like reflective member provided between the light source and the light diffusing member,
wherein the reflective member comprises a reflection part configured to reflect the light emitted from the light source, and a transmission part configured to transmit the light emitted from the light source, and
wherein the reflection part occupies a greater proportion of the reflective member than the transmission part, in an area closer to a spot above the light source.

US Pat. No. 10,656,463

DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A display device comprising:a display panel;
a backlight device disposed to face the display panel; and
a fixing member having stickiness and disposed between the display panel and the backlight device to fix the display panel and the backlight device together, wherein
the display panel includes a panel-side attachment portion to which the fixing member is bonded, the panel-side attachment portion including a rough surface portion including a section thereof roughened,
the display panel includes a polarizing plate disposed over a surface of the display panel, and
the rough surface portion is included in the polarizing plate.

US Pat. No. 10,656,462

LIQUID CRYSTAL DISPLAY

SAMSUNG ELECTRONICS CO., ...

23. A liquid crystal display, comprising,a first substrate, a color conversion layer, a first polarizing layer, a first phase difference layer, a common electrode, a liquid crystal layer, a pixel electrode, a second phase difference layer, a second polarizing layer, and a light source disposed in this order,
wherein the first phase difference layer is in direct contact with the common electrode,
wherein the color conversion layer comprises a light emitting element configured to receive a first visible light from the light source and emit second visible light, and the second visible light has a same wavelength as the first visible light or a longer wavelength than the first visible light,
wherein the first phase difference layer has a refractive index satisfying Relationship Equation 1, and the second phase difference layer has a refractive index satisfying Relationship Equations 3 and 4:
nx1?ny1>nz1  Relationship Equation 1
wherein, in Relationship Equation 1,
nx1 is a refractive index at a slow axis of the first phase difference layer,
ny1 is a refractive index at a fast axis of the first phase difference layer, and
nz1 is a refractive index in a direction perpendicular to the slow axis and the fast axis of the first phase difference layer,
nx2>ny2  Relationship Equation 3
nx2>nz2  Relationship Equation 4
wherein, in Relationship Equations 3 and 4,
nx2 is a refractive index at a slow axis of the second phase difference layer,
ny2 is a refractive index at a fast axis of the second phase difference layer, and
nz2 is a refractive index in a direction perpendicular to the slow axis and the fast axis of the second phase difference layer.

US Pat. No. 10,656,461

DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY APPARATUS

WUHAN CHINA STAR OPTOELEC...

1. A display apparatus comprising:a display panel comprising a display substrate, a second substrate arranged opposite to the display substrate and a liquid crystal layer set between the display substrate and the second substrate, wherein the display substrate comprises:
a first substrate divided into a plurality of reflection zones and transmission zones alternatively defined;
polarizing filters arranged on and contacted with a second surface of the first substrate and spaced from each other;
quarter-wave plates arranged on and contacted with the second surface of the first substrate and spaced from each other, wherein the polarizing filters and the quarter-wave plates are arranged on the second surface in an alternating manner such that each of the polarizing filters is located corresponding to a different reflection zone and each of the quarter-wave plates is located corresponding to a different transmission zone, the quarter-wave plates and the polarizing filters are non-overlapping in a plan view; and
light emitting structures arranged on a first surface of the first substrate and located corresponding to the transmission zones.

US Pat. No. 10,656,460

LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF

Samsung Display Co., Ltd....

1. A manufacturing method of a liquid crystal display, the manufacturing method comprising:stacking metal layers on a transparent substrate;
forming linear patterns in a portion of the metal layers, the linear patterns spaced with gaps so as to polarize incident light;
stacking a hydrophobic layer covering surfaces of the linear patterns; and
forming a passivation layer on the metal layers including the linear patterns and the hydrophobic layer without filling the gaps entirely with the passivation layer.

US Pat. No. 10,656,459

COLOR POLARIZING FILM, ANTIREFLECTIVE FILM, AND DISPLAY DEVICE

SAMSUNG ELECTRONICS CO., ...

1. A display device comprising a color polarizing film comprising:a first layer comprising a first polymer and a first dichroic dye having an absorption wavelength region in a region from about 380 nanometers to about 780 nanometers and
a second layer disposed on, and adjacent to the first layer, wherein the second layer comprises a second polymer and a second dichroic dye having an absorption wavelength region in a region from about 380 nanometers to about 780 nanometers, the second dichroic dye being different from the first dichroic dye,
wherein the first polymer and the second polymer each have a crystallinity of about 50% or less, and a light transmittance of greater than or equal to about 85% in a wavelength region of about 380 nm to about 780 nm,
wherein the first polymer is elongated in a uniaxial direction which is the same as a length direction of the first dichroic dye, and the second polymer is elongated in a uniaxial direction which is the same as a length direction of the second dichroic dye,
wherein the first layer and the second layer are combined to exhibit a single maximum absorption wavelength (?max) in a wavelength range of about 380 nanometers to about 780 nanometers,
wherein the first layer and the second layer are combined to produce a single display color which is realized even when the display device is in an off-state,
wherein the first layer and the second layer are not neutral gray polarizing layers,
wherein the absorption peak at the single maximum absorption wavelength (?max) has a full width at half maximum of less than or equal to about 300 nanometers,
wherein the color polarizing film absorbs unpolarized light and produces a single color polarized light,
wherein the first layer is a melt blend of the first polymer and the first dichroic dye, and the first dichroic dye is configured to provide the melt blend of the first polymer and the first dichroic dye, and
the second layer is a melt blend of the second polymer and the second dichroic dye, and the second dichroic dye is configured to provide the melt blend of the second polymer and the second dichroic dye.

US Pat. No. 10,656,458

LIQUID CRYSTAL DISPLAY PANEL

SHARP KABUSHIKI KAISHA, ...

1. A liquid crystal display panel comprising:a liquid crystal cell that has a first substrate, a second substrate arranged on a back surface side of the first substrate, and a liquid crystal layer provided between the first substrate and the second substrate;
a first linear polarizer arranged on an observer side of the liquid crystal cell;
a second linear polarizer arranged on a back surface side of the liquid crystal cell;
a first retardation layer arranged between the first linear polarizer and the liquid crystal layer; and
a second retardation layer arranged between the first retardation layer and the second linear polarizer, wherein
an absorption axis of the first linear polarizer and an absorption axis of the second linear polarizer cross,
each of a combination of the first linear polarizer and the first retardation layer and a combination of the second linear polarizer and the second retardation layer functions as a circularly polarizing plate or an elliptically polarizing plate,
retardation of the first retardation layer and retardation of the second retardation layer for light with a wavelength of 550 nm are different, and
the first linear polarizer, the first retardation layer, the second linear polarizer, and the second retardation layer are arranged so that at least one of following formulas (A) and (B) is satisfied:
??(cos 2?1)2/sin ??3/2  (A)
??(cos 2?2)2/sin ??3/2  (B)
where a difference between the retardation of the first retardation layer and the retardation of the second retardation layer for the light with the wavelength of 550 nm is ? [rad], an angle formed by the absorption axis of the first linear polarizer and a slow axis of the first retardation layer is ?1, and an angle formed by the absorption axis of the second linear polarizer and a slow axis of the second retardation layer is ?2.

US Pat. No. 10,656,457

LIQUID CRYSTAL DISPLAY AND DISPLAY MODULE THEREOF

WUHAN CHINA STAR OPTOELEC...

1. A display module, comprising a lower polarizer, a TFT array substrate, a liquid crystal layer, a color filter and an upper polarizer, wherein the liquid crystal layer is arranged between the lower polarizer and the upper polarizer, the TFT array substrate is arranged between the lower polarizer and the liquid crystal layer, the color filter is arranged between the liquid crystal layer and the upper polarizer, the display module further comprises a metal electrode layer arranged between the color filter and the liquid crystal layer, the metal electrode layer comprises a dielectric layer and a metal wire grid layer, and the metal wire grid layer is arranged on a surface of the dielectric layer facing the liquid crystal layer, wherein the color filter comprises a black matrix, and a region corresponding to the metal wire grid layer and the black matrix is provided with second wire grid units, each of the second wire grid units comprises a plurality of second metal strips arranged at equal intervals in parallel.

US Pat. No. 10,656,456

ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS

SEIKO EPSON CORPORATION, ...

1. An electro-optical device comprising:a first substrate having, at one surface of the first substrate, a pixel electrode having translucency, a pixel switching element corresponding to the pixel electrode, and a first oriented film covering the pixel electrode and a plurality of terminals to be electrically coupled to a flexible wiring substrate;
a second substrate having, at a surface of the second substrate
facing the first substrate, a second oriented film; and a liquid crystal layer provided between the first substrate and the second substrate, wherein when viewed in a normal line direction with respect to the first substrate in a plan view, the pixel electrode overlaps with an opening surrounded by a first light-shielding portion extending in a first direction and a second light-shielding portion extending in a second direction intersecting with the first direction,
a width of the first light-shielding portion in the second direction is greater than a width of the second light-shielding portion in the first direction,
a size of the opening in the second direction is smaller than a size of the opening in the first direction,
in the liquid crystal layer, the liquid crystal molecules are pre-tilted by the first oriented film and the second oriented film in an orientation intersecting with the first direction and the second direction, respectively, where first ends of the liquid crystal molecules at the second substrate are toward the orientation with respect to second ends of the liquid crystal molecules at the first substrate, and
a center of the pixel electrode is arranged at a position shifted toward the orientation in a direction along the second direction with respect to a center of the opening,
the plurality of terminals are formed along one side of the first substrate, the one side extending in the first direction,
the first light-shielding portion is provided with a contact hole through which the pixel electrode is electrically coupled to an electrode provided between the pixel switching element and the pixel electrode at a position overlapping with an end of the pixel electrode, and
the orientation of the liquid crystal molecules opposes the one side of the first substrate and the end of the pixel electrode.

US Pat. No. 10,656,455

ELECTRO-OPTICAL DEVICE, TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE, AND ELECTRONIC DEVICE

SEIKO EPSON CORPORATION, ...

1. An electro-optical device comprising:a pair of substrates;
a liquid crystal layer that is interposed between the pair of substrates, the pair of substrates and the liquid crystal layer there-between are stacked in a stacking direction;
one of the pair of substrates including:
a pixel electrode;
a light shielding member that is provided along an edge of the pixel electrode in a planar view, the light shielding member including a first light shielding layer and a second light shielding layer that is disposed between the pixel electrode and the first light shielding member in the stacking direction;
a semiconductor element that is provided between the first light shielding layer and the second light shielding layer in the stacking direction;
a first insulator that is provided in a region overlapped with the light shielding member in the planar view, the first insulator including a first insulating layer covering the first light shielding layer, a second insulating layer covering the semiconductor element, and a third insulating layer convering the second light shielding layer, the first insulating layer having a first side surface in a region surrounded by the light shielding member, the second insulating layer having a second side surface in the region surrounded by the light shielding member, the third insulating layer having a third side surface in the region surrounded by the light shielding member; and
a second insulator that is provided to be in contact with the first side surface of the first insulating layer, the second side surface of the second insulating layer, and the third side surface of the third insulating layer in the region surrounded by the light shielding member in the planar view, a refractive index of the second insulator being higher than that of the first insulator, the second insulator being configured as a waveguide which reflects incident light at an interface between the first insulator and the second insulator; and
a microlens that is provided on a side opposite to the liquid crystal layer with respect to the second insulator such that the second insulator is between the liquid crystal layer and the microlens, an edge of the lens member being disposed outside the second insulator in the planar view,
wherein the one of the pair of substrates includes a first sub layer adjacent to the second insulator and a second sub layer distal from the second insulator, and the first sub layer is between the second insulator and the microlens in the stacking direction.

US Pat. No. 10,656,454

ANTI-GLARE SUBSTRATES WITH LOW SPARKLE, DOI AND TRANSMISSION HAZE

CORNING INCORPORATED, Co...

1. A method of forming an antiglare surface comprising:etching a portion of a surface of a substrate with an etchant to provide an etched surface, the etchant exhibiting a water solubility of about 50 g/100 g water or less; and
removing a portion of the etched surface to provide the anti-glare surface,
wherein the substrate with the anti-glare surface exhibits a transmission haze 10% or less, and a pixel power deviation reference (PPDr) of about 6% or less, and the anti-glare surface exhibits a distinctiveness of image (DOI) of about 80 or less.

US Pat. No. 10,656,453

DISPLAY DEVICE, INPUT/OUTPUT DEVICE, AND SEMICONDUCTOR DEVICE

Semiconductor Energy Labo...

1. A display device comprising:a self-luminous display element comprising:
a first transistor; and
a first electrode;
a reflective display element; and
a second transistor,
wherein the first electrode is electrically connected to a source electrode or a drain electrode of the first transistor,
wherein the reflective display element comprises a light-reflective layer and a layer comprising a liquid crystal material,
wherein the layer comprising the liquid crystal material comprises a region located between the light-reflective layer and the self-luminous display element,
wherein the self-luminous display element transmits visible light,
wherein the reflective display element comprises a second electrode and a third electrode,
wherein the second electrode and the third electrode can generate an electric field in the reflective display element,
wherein the electric field can control alignment of the liquid crystal material of the layer comprising the liquid crystal material,
wherein the second electrode is electrically connected to a source electrode or a drain electrode of the second transistor,
wherein the second transistor comprises a first gate insulating film,
wherein the first transistor comprises a second gate insulating film,
wherein the second gate insulating film comprises a region overlapping with the first gate insulating film,
wherein the layer comprising the liquid crystal material comprises a region located between the first gate insulating film and the second gate insulating film, and
wherein the first electrode comprises a region located between the layer comprising the liquid crystal material and the second gate insulating film.

US Pat. No. 10,656,452

IMAGE GENERATING DEVICE, HEAD-UP DISPLAY COMPRISING SUCH A DEVICE AND METHOD FOR MANUFACTURING AN IMAGE GENERATING DEVICE

1. An image-generating device comprising:a light source that produces a light beam; and
a screen that is passed through by the light beam, wherein the screen modifies the light beam so as to form an image, and the screen is mounted in a first cover accommodated in a second cover,
wherein a first window is formed in a transverse portion of the second cover to allow the produced light beam to enter the screen,
wherein the screen comprises a transparent element that is passed through by the light beam and that is arranged to remove the heat generated in the screen,
wherein said transparent element is made of sintered transparent ceramic; and
wherein a second window is formed in a transverse portion of the first cover to allow the modified light beam to exit the screen.

US Pat. No. 10,656,451

LIQUID CRYSTAL CELL AND THREE-DIMENSIONAL LIQUID CRYSTAL CELL

FUJIFILM Corporation, To...

1. A liquid crystal cell, comprising:at least two plastic substrates of which at least one plastic substrate is a heat-shrinkable film satisfying a heat shrinkage rate of 5% to 75%;
a liquid crystal layer; and
a polymer layer that is disposed between and separates at least one plastic substrate and the liquid crystal layer and into which a composition containing at least one monofunctional monomer that has a hydrophilic group and is selected from the group consisting of monofunctional acrylate and monofunctional methacrylate, and at least one polyfunctional monomer that has two or more functional groups and is selected from the group consisting of polyfunctional acrylate and polyfunctional methacrylate, is polymerized,
wherein a wavelength of maximum absorbance of each of the at least one monofunctional monomer and the at least one polyfunctional monomer is 190 to 250 nm.

US Pat. No. 10,656,450

LIQUID CRYSTAL DISPLAY MODULE AND METHOD FOR MANUFACTURING THE SAME

HKC CORPORATION LIMITED, ...

16. A method for manufacturing a liquid crystal display module, comprising:pre-baking a first substrate and a second substrate;
disposing first sealing glue at edges of the first substrate and disposing a second sealing glue at edges of the second substrate, wherein the first sealing glue and the second sealing glue have a same shape;
dropping the liquid crystals in a region defined by the second sealing glue on the second substrate;
coating frame glue on the first substrate and the second substrate;
arranging the first substrate on the second substrate so that the first sealing glue and the second sealing glue are aligned and in contact;
irradiating the first sealing glue and the second sealing glue with a first light source; and
irradiating the first sealing glue and the second sealing glue with a second light source.

US Pat. No. 10,656,449

DISPLAY DEVICE

LG ELECTRONICS INC., Seo...

1. A display device, comprising:a display panel;
a frame being positioned at a rear of the display panel;
a guide panel including a receiving portion on which a rear surface of the display panel is received, and a guide wall connected to the receiving portion and contacting the frame; and
a back cover positioned behind the frame and including a hooking portion,
wherein the guide wall includes a coupling unit positioned at the guide wall, wherein the coupling unit includes:
a first slit;
a second slit opposite to the first slit;
an elastic portion positioned between the first slit and the second slit;
a pressing portion positioned between the first slit and the second slit, wherein the pressing portion is convex toward the hooking portion of the back cover; and
a projection formed between the first slit and the second slit, and
wherein the back cover is engaged with the projection.

US Pat. No. 10,656,448

IMAGE DISPLAY APPARATUS

Panasonic Intellectual Pr...

1. An image display apparatus, comprising:a display panel for displaying an image;
a foundation member which is plate-shaped and located on a back side of the display panel, at a position opposite to the display panel;
a plurality of component mounting boards which are attached to the foundation member on a side closer to the display panel, and on which components are mounted, the components being light sources for illuminating the display panel from the back side of the display panel; and
a relay sheet which is flexible, is in a shape of a rectangular belt having long-side portions extending in a longitudinal direction, and provided with wiring for relaying power to be supplied to the plurality of component mounting boards, wherein:
the relay sheet includes:
a plurality of metal pins which are aligned on both of the long-side portions in a transverse direction crossing the longitudinal direction, and are connected with the plurality of component mounting boards; and
a first slit which improves flexibility, and extends in the longitudinal direction.

US Pat. No. 10,656,447

BACK LIGHTED DISPLAY DEVICE WITH FITTED FRAME PORTIONS

Mitsubishi Electric Corpo...

1. A display device comprising:a display panel;
a circuit board configured to provide a signal to the display panel;
a connection member for connecting the display panel and the circuit board;
a backlight including a light source, a first frame accommodating the light source and including a first fitting portion, and a second frame to be fitted with the first frame and including a second fitting portion, the display panel being disposed on the second frame such that the display panel is irradiated by the light source; and
an insulation sheet disposed between the first frame and the circuit board to electrically insulate the first frame from the circuit board,
wherein the insulation sheet includes:
a seating portion formed in a shape corresponding to a shape of the circuit board; and
an extension portion extending from the seating portion to the first fitting portion and the second fitting portion, the first and second fitting portions being fitted to each other and covered by the extension portion.

US Pat. No. 10,656,446

METHOD FOR MANUFACTURING FLAT LIQUID CRYSTAL DISPLAY DEVICE FILM

SHENZHEN CHINA STAR OPTOE...

1. A method for manufacturing a flat liquid crystal display device film, comprising steps of:step A, coating a negative photoresist layer on a substrate, and exposing the negative photoresist layer with a liquid crystal display device film mask to obtain a negative photoresist layer after exposing procedure which covers the substrate;
step B, developing the negative photoresist layer after exposing procedure, and forming a space having a shape defined by a liquid crystal display device film in the negative photoresist layer after developing procedure which covers an upper surface of the substrate;
step C, coating a negative photoresist protection layer on the surface of the negative photoresist layer after developing procedure and the surface of the space having the shape defined by the liquid crystal display device film;
step D, sputtering and growing a liquid crystal display device film on a surface of the negative photoresist layer after developing procedure and a surface of the space having the shape defined by the liquid crystal display device film, so that the liquid crystal display device film covers the surface of the negative photoresist layer after developing procedure, and meanwhile covers the surface of the space having the shape defined by the liquid crystal display device film;
step E, coating a positive photoresist layer on a surface of the liquid crystal display device film, so that the positive photoresist layer covers the surface of the liquid crystal display device film, and fills the space having the shape defined by the liquid crystal display device film;
step F, exposing the positive photeresist layer with a liquid crystal display device film mask, and developing the positive photeresist layer, to obtain a positive photeresist layer after developing procedure which is embedded in the space having the shape defined by the liquid crystal display device film of the liquid crystal display device film; and
step G, etching excess liquid crystal display device film with a photoresist pattern mask to obtain the flat liquid crystal display device film.

US Pat. No. 10,656,445

DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

E Ink Holdings Inc., Hsi...

1. A display device, comprising:a transparent cover having a visible region and an edge region;
a photovoltaic conversion layer located on the edge region of the transparent cover, wherein a stage difference is formed by the photovoltaic conversion layer and the visible region of the transparent cover;
a display module electrically connected to the photovoltaic conversion layer; and
a planarization layer located between the display module and the photovoltaic conversion layer, and located between the display module and the visible region of the transparent cover, wherein a thickness of the planarization layer is greater than the stage difference, and the planarization layer below the visible region of the transparent cover is surrounded by the photovoltaic conversion layer.

US Pat. No. 10,656,444

OPTICAL MODULATOR

SUMITOMO ELECTRIC INDUSTR...

1. An optical modulator, comprising:a carrier providing a multi-layer circuit board;
a transmission line formed on the carrier and having a characteristic impedance, a first end, and a second end for transmitting an electrical signal from the first end to the second end thereof;
a coil element formed on the carrier and having a first terminal connected to the second end of the transmission line, a second terminal, a third terminal, a first inductor connected between the first terminal and the third terminal, and a second inductor connected between the second terminal and the third terminal, the first inductor and the second inductor being magnetically coupled through mutual inductance therebetween;
a distributed feedback laser diode (DFB-LD) provided on a substrate mounted on the carrier for generating continuous wave (CW) light;
an electro-absorption (EA) modulator integrated on the substrate monolithically with the DFB-LD for modulating CW light from the DFB-LD in response to the electrical signal as outputted from the third terminal of the coil element; and
a terminator formed on the carrier, the terminator having a first end connected to the second terminal of the coil element, and a second end connected to ground,
wherein the coil element, the terminator, and the EA modulator match impedance of the coil element as viewed from the transmission line with the characteristic impedance of the transmission line.

US Pat. No. 10,656,443

METHOD AND APPARATUS OF SURFACE-INCIDENT, PLASMON-ENHANCED MULTIPLE QUANTUM WELL MODULATORS AND OPTICAL COUPLING THEREON

THE TRUSTEES OF DARTMOUTH...

1. An optical interconnect system comprising a first and a second waveguide each having wedge-shaped cross-section at a first end, the first and second waveguide attached to a surface of an integrated circuit with the first end disposed over an optical modulator;wherein the optical modulator is a surface-plasmon multi quantum well (SP-MQW) modulator, the first waveguide configured as an input waveguide to the SP-MQW modulator and the second waveguide configured as an output waveguide from the SP-MQW modulator;
and wherein the SP-MQW modulator comprises a plurality of semiconductor layers disposed atop a lower metal layer between 10 and 300 nanometers thick and configured such that incident light is reflected at the lower metal layer unless a voltage is applied to the semiconductor layers, whereupon incident light is coupled into a surface plasmon mode in the lower metal layer.