US Pat. No. 10,691,016

METHODS OF FORMING SEMICONDUCTORS USING ETCHING EFFECT PREDICTIONS AND METHODS FOR DETERMINING INPUT PARAMETERS FOR SEMICONDUCTOR FORMATION

Samsung Electronincs Co.,...

1. An etching effect prediction method comprising:determining a sample area of a mask pattern for which etch bias is to be predicted;
determining input parameters indicating physical characteristics affecting an etching process undertaken in the sample area;
comparing an output value obtained by inputting the input parameters to an artificial neural network to a measured value of the etch bias that occurred in the sample area; and
allowing the artificial neural network to learn until a difference between the output value and the measured value is equal to or less than a predetermined reference value,
wherein the input parameters comprise:
first input parameters corresponding to an amount of etching particles in contact with the sample area while the etching process is undertaken; and
second input parameters corresponding to a shape of the mask pattern adjacent to the sample area, and
wherein the determining the input parameters comprises:
defining a plurality of density measurement areas around the sample area, and calculating an area ratio occupied by the mask pattern in each of the plurality of density measurement areas; and
determining the first input parameters by arranging the area ratio calculated in each of the plurality of density measurement areas in a predetermined order.

US Pat. No. 10,691,015

INTEGRATED MASK-AWARE LITHOGRAPHY MODELING TO SUPPORT OFF-AXIS ILLUMINATION AND MULTI-TONE MASKS

1. A computer-implemented method of performing optical lithography simulation for a multi-tone mask with a plurality of mask tones, the method comprising:generating, using a computing device, a transmission function matrix based on a setting of the multi-tone mask; and
generating one or more convolution kernels for the multi-tone mask based on the transmission matrix, for use in transforming a formula for calculating light intensity from Abbe's form to Hopkins' form for the optical lithography simulation;
generating a set of Eigen-kernels for each mask tone based on the generated convolution kernels; and
retaining a first set of Eigen-kernels associated with a first mask tone and a second set of Eigen-kernels associated with a second mask tone,
reducing the first set and the second set of Eigen-kernels so that the first set of Eigen-kernels is larger than the second set of Eigen-kernels; and
generating model data from the reduced convolution kernels.

US Pat. No. 10,691,014

EXTREME ULTRAVIOLET LITHOGRAPHY SYSTEM, DEVICE, AND METHOD FOR PRINTING LOW PATTERN DENSITY FEATURES

TAIWAN SEMICONDUCTOR MANU...

1. A lithography system, comprising:a radiation source configured to generate radiation;
a mask that defines one or more features of an integrated circuit (IC);
an illuminator configured to direct the radiation onto the mask, wherein the illuminator includes one or more first patterns that have a first state with respect to transmitting or blocking the radiation; and
a pupil phase modulator that includes one or more second patterns that have a second state with respect to transmitting or blocking the radiation, wherein the second state is opposite the first state, and wherein each of the second patterns has a same shape as a respective one of first patterns in a top view.

US Pat. No. 10,691,012

IMAGE CAPTURING APPARATUS, METHOD OF CONTROLLING IMAGE CAPTURING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

CANON KABUSHIKI KAISHA, ...

1. An image capturing apparatus, comprising a first and a second image capturing units wherein the first and the second image capturing units arranged so that a part of an image capturing angle of view overlaps each other, the apparatus comprising:a compositing unit configured to generate a composite image by performing compositing processing for combining images captured by each of the first and the second image capturing units,
wherein the compositing unit, in a case where a first subject image and a second subject image, which are subject images of the same subject, are included duplicatively in the composite image, makes the second subject image not be displayed in the composite image by using a background image corresponding to a position of the second subject image.

US Pat. No. 10,691,011

IMAGING SYSTEM

Olympus Corporation, Tok...

1. An imaging system comprising:a sound-recording apparatus; and
an imaging apparatus that is connected to the sound-recording apparatus and records, as moving-image sounds under a set sound-recording condition, sounds collected by the sound-recording apparatus,
wherein the sound-recording condition includes a sound-recording condition that is capable of being changed by a user and a sound-recording condition that is associated with the sound-recording apparatus and incapable of being changed by a user, and
wherein the imaging apparatus
detects whether the sound-recording apparatus has been connected to the imaging apparatus, and
upon detecting that the sound-recording apparatus has been connected thereto, sets as the sound-recording condition, the sound-recording condition that is associated with the sound recording apparatus and incapable of being changed by a user.

US Pat. No. 10,691,010

DIRECTION SELECTIVE PROJECTION DISPLAY SCREEN

BARCO NV, Kortrijk (BE)

1. A reflective projection display screen for use with one or more projectors, the projection display screen having a screen area covered with a patterned layer stack customized to accept projector light from only one projection direction per projector, the projection display screen comprising:a first retarder, a micro-lens array of mirrors for focusing light from at least one projector at focus positions where the light can escape from the patterned layer stack,
a layer defining the patterned layer stack that is different at the focus positions than in the remainder of the screen area, and comprising a polarizing layer at least in said remainder of the screen area, wherein the patterned layer stack accepts only light coming from one projector direction per projector, whereas reflection of any light coming from another direction is reduced or suppressed, wherein the layer defining the patterned layer stack is a photo-alignment layer, which when exposed to polarized UV or parts of the visible spectrum light having a polarization direction, the alignment direction of the photoalignment layer is driven by the polarization direction of the UV or parts of the visible spectrum light to which the photoalignment layer is exposed.

US Pat. No. 10,691,009

PROJECTION METHOD, PROJECTION SYSTEM, AND PROJECTOR OF FULLY COVERING MULTI-DIRECTIONAL CIRCULAR-SCREEN THROUGH CROSS-ARRANGEMENT

HANGZHOU YIYUQIANXIANG TE...

1. A projection method of fully covering multi-directional circular-screen through cross-arrangement, comprising the following steps:dividing a visual platform to be projected to obtain a circular-screen projection surface, and making each of a plurality of optical machines to be arranged project an image onto the circular-screen projection surface to obtain optical path distance information;
arranging each of the plurality of optical machines to be arranged according to maximum optical path distance information, and making each of the plurality of optical machines to be arranged project the image onto the corresponding circular-screen projection surface according to an arrangement result to obtain a first projection coverage range;
adjusting the first projection coverage range according to setting parameters corresponding to each of the plurality of optical machines to be arranged and in accordance with a preset projection surface to obtain a second projection coverage range; and
obtaining geometric parameters of each of the plurality of optical machines to be arranged, and calculating the geometric parameters and the second projection coverage range to obtain a spatial position and a rotation angle range of each of the plurality of optical machines to be arranged.

US Pat. No. 10,691,008

PROJECTION METHOD, PROJECTOR AND PROJECTION SYSTEM OF FULLY COVERING MULTI-DIRECTIONAL CIRCULAR-SCREEN

HANGZHOU YIYUQIANXIANG TE...

1. A projection method of fully covering a multi-directional circular-screen, comprising the following steps:dividing a visual platform to be projected to obtain a circular-screen projection surface, and making each of plurality of optical machines to be arranged project an image onto the circular-screen projection surface to obtain optical path distance information;
arranging each of the plurality of optical machines to be arranged according to minimum optical path distance information, and making each of the plurality of optical machines to be arranged project the image onto a corresponding surface of the circular-screen projection surface according to an arrangement result to obtain a first projection coverage range;
according to setting parameters corresponding to each of the plurality of optical machines to be arranged, adjusting the first projection coverage range in accordance with a preset projection surface to obtain a second projection coverage range; and
obtaining geometric parameters of each of the plurality of optical machines to be arranged and calculating the geometric parameters and the second projection coverage range to obtain a spatial position and a rotation angle range of each of the plurality of optical machines to be arranged.

US Pat. No. 10,691,007

METHODS AND SYSTEMS OF VIBRATING A SCREEN

IMAX Theatres Internation...

1. A method for reducing speckle artifacts, the method comprising:vibrating a screen by a screen vibrator;
capturing information about a projected image on the screen using a sensor;
determining, by a processing unit, an amount of speckle artifacts present in the projected image on the screen from the information;
comparing, by the processing unit, the amount of speckle artifacts present in the projected image on the screen determined from the information to a predetermined threshold;
determining, by the processing unit, that the amount of speckle artifacts exceeds the predetermined threshold; and
in response to determining, by the processing unit, that the amount of speckle artifacts exceeds the predetermined threshold, adjusting, by a controller using information from the processing unit, a signal to the screen vibrator that drives the screen vibrator.

US Pat. No. 10,691,006

METHODS AND SYSTEMS OF VIBRATING A SCREEN

IMAX Theatres Internation...

1. A vibrating screen-monitoring system, comprising:a sensor positionable for sensing vibration of a screen indirectly by capturing a signal with a signature that is characteristic of a vibrator in response to a drive signal to the vibrator; and
an analyzer unit configured to store the signature from the sensor, to analyze the signature for determining a functional status of the vibrator in a screen vibrator system that includes a plurality of vibrators positioned to vibrate the screen, and to set a flag in response to determining the functional status of the vibrator in the screen vibrator system.

US Pat. No. 10,691,005

OPTICAL ELEMENT AND DISPLAY APPARATUS

SONY CORPORATION, Tokyo ...

1. An optical element including a substrate, a first end which is a light emission end, and a second end on an opposite side to the first end, the optical element comprising:a first electrode layer having a stripe form, the first electrode layer being extended from the second end toward the first end;
a first semiconductor layer that is a first conductivity type layer and includes a current injection area formed by the first electrode layer and a non-current injection area;
a second semiconductor layer that is a second conductivity type layer and is on the substrate;
an active layer that is between the first semiconductor layer and the second semiconductor layer; and
a second electrode layer that is in contact with the substrate or the second semiconductor layer, wherein
a waveguide structure included in the first conductivity type layer, the active layer, and the second conductivity type layer includes
a first area having a first waveguide configured by the current injection area and the non-current injection area, and having a first refractive index difference as a difference between a refractive index of the current injection area and a refractive index of the non-current injection area, and
a second area between the first area and the first end, the second area having a second waveguide to be extended from the first waveguide toward the first end, and having a second refractive index difference larger than the first refractive index difference as a difference between a refractive index of the second waveguide and a refractive index of an area around the second waveguide in the second area, and
the second waveguide has a tapered structure that makes a beam spot of light incident from the first waveguide smaller,
the optical element including a reflection surface that is formed by an excavation structure that is from the first semiconductor layer to the active layer on at least one of the first end and the second end, and reflects light incident from the first waveguide or the second waveguide.

US Pat. No. 10,691,004

PROJECTOR CAPABLE OF PREVENTING LENS FROM SHIFTING

Qisda Corporation, Taoyu...

1. A projector comprising:a casing;
a lens connected to the casing;
a bracket connected to the casing, the bracket having a through hole formed thereon;
a support member inserted into the through hole and abutting against the lens;
a first spacer disposed on the support member, the first spacer having a first curved surface, the first curved surface facing the through hole; and
a first fixing member movably disposed on the support member and pushing the first spacer towards the bracket, such that the first curved surface contacts a periphery of the through hole and at least a part of the first curved surface sinks into the through hole.

US Pat. No. 10,691,003

PROJECTION TYPE IMAGE DISPLAY APPARATUS

MAXELL, LTD., Kyoto (JP)...

1. A projection type image display apparatus comprising:a projection lens; and
a lens shift mechanism for moving the projection lens in each of vertical and horizontal directions with respect to an optical axis based on a manual operation of a user,
wherein the lens shift mechanism includes:
a first base fixed to a housing of the projection type image display apparatus;
a second base connected to the first base so as to be relatively movable in the vertical direction with respect to the first base;
a third base connected to the second base so as to be relatively movable in the horizontal direction with respect to the second base, and to which the projection lens is fixed;
a first shift portion which moves the projection lens in the vertical direction by moving the second base in the vertical direction with respect to the first base based on the manual operation; and
a second shift portion which moves the projection lens in the horizontal direction by moving the third base in the horizontal direction with respect to the second base based on the manual operation,
the first shift portion is arranged along the vertical direction so as to be coaxial with a first manual operation portion and a first rotation shaft, and
the second shift portion is arranged along the vertical direction so as to be coaxial with a second manual operation portion and a second rotation shaft,
wherein the first shift portion includes a first clutch mechanism which is arranged inside the first manual operation portion so as to be coaxial with the first rotation shaft and restricts a torque of the first rotation shaft from being transmitted in the vertical direction when the torque exceeds a predetermined value, and
the second shift portion includes a second clutch mechanism which is arranged inside the second manual operation portion so as to be coaxial with the second rotation shaft and restricts a torque of the second rotation shaft from being transmitted in the vertical direction when the torque exceeds a predetermined value.

US Pat. No. 10,691,002

IMAGING DEVICE AND IMAGE DATA GENERATION METHOD

FUJIFILM Corporation, To...

1. An imaging device comprising:an imaging lens that includes n number of optical systems of which imaging characteristics are different in which n is an integer satisfying n>1;
an image sensor that includes m number of light receiving sensors of which crosstalk ratios are different in each pixel in which m is an integer satisfying m>n; and
a processor configured to:
obtain image signals from the light receiving sensors of each pixel of the image sensor, and generates m number of primary image data items; and
generate n number of secondary image data items corresponding to the optical systems by performing crosstalk removal processing on the m number of primary image data items for each pixel.

US Pat. No. 10,691,001

CAMERA GIMBAL MOUNT SYSTEM

GoPro, Inc., San Mateo, ...

1. A gimbal mount system configured to couple to a gimbal, the gimbal configured to secure a camera, the gimbal mount system comprising:a handle;
an interface located within an end of the handle and configured to secure the gimbal;
a power source located within the handle;
a display located on an outer surface of the handle; and
a communication interface located within the handle and configured to communicate with the gimbal and the camera.

US Pat. No. 10,691,000

AUTONOMOUS MOVING DEVICE

Positec Power Tools (Suzh...

1. An autonomous moving device, comprising a camera and a camera heating device, wherein the camera heating device comprises a heating module, and the heating module is configured to heat a lens of the camera to remove water mist on the lens.

US Pat. No. 10,690,999

IMAGE CAPTURING MODULE AND LENS SHADE THEREOF

SZ DJI TECHNOLOGY CO., LT...

1. An image capturing module comprising:a casing including an upper casing, a lower casing, and an opening, the opening including a matching portion;
a lens component arranged in the casing and comprising a lens; and
a lens shade disposed directly facing the lens component and having a thin plate shape, the lens shade being received by the opening of the casing and snapped with the casing and comprising:
a first bottom surface close to the lens and including a first light inlet, the first bottom surface being arranged inside the casing and being closer to the lens than an inner wall of the casing in a direction along an optical axis of the lens;
a second bottom surface disposed opposite to the first bottom surface and away from the lens, and including a second light inlet;
a snap portion matching the matching portion of the opening and configured to fix the lens shade on the casing; and
a light incoming pathway running through the lens shade to allow external light to enter the lens, the light incoming pathway comprising the first light inlet and the second light inlet, and a size of the second light inlet being greater than a size of the first light inlet,
wherein:
the snap portion comprises one of a protruding rib that is at least partially annular and a snap slot, and the matching portion comprises another one of the protruding rib and the snap slot;
when the upper casing is connected to the lower casing, the protruding rib is snapped with the snap slot; and
when the upper casing is disconnected from the lower casing, the protruding rib is not snapped with the snap slot.

US Pat. No. 10,690,998

CAMERA MODULE

Samsung Electro-Mechanics...

1. A camera module comprising:a housing comprising a lens module;
a diaphragm module configured to form N apertures of different sizes, where N is a natural number, with blades disposed on an object side of the lens module; and
a diaphragm driving unit disposed with the diaphragm module, and comprising N driving coils and a magnetic member disposed opposite to the driving coils, the magnetic member configured to be movable in a direction perpendicular to an optical axis and to be fixed in N positions along a movement path.

US Pat. No. 10,690,997

CAMERA MODULE AND STOP MODULE

Samsung Electro-Mechanics...

1. A camera module, comprising:a housing configured to accommodate a lens module therein;
a stop module coupled to the lens module and configured to selectively change an amount of light incident to the lens module; and
a first coil portion comprising a coil and disposed on the housing and configured to drive the stop module to selectively change the amount of light incident to the lens module, and
a magnet portion comprising a magnet to face the first coil and disposed on the stop module,
wherein the magnet portion is configured to move linearly relative to the coil in one axis direction perpendicular to the optical axis direction.

US Pat. No. 10,690,996

MAGNETIC INTERFERENCE-RESISTANT TRANSLATION-TYPE OPTICAL IMAGE STABILIZATION VOICE COIL MOTOR AND ITS METHOD OF ASSEMBLING

AP PHOTONICES (SHENZHEN) ...

1. A magnetic interference-resistant translation-type optical image stabilization voice coil motor, comprising:a base comprising a base plate, a through hole is formed in the base plate, and the base further comprises a stepped portion extending inward from an inner surface of the base plate;
a spring plate;
a lens carrier;
at least three groups of magnets; and
a housing;
wherein the base, the housing, and the groups of magnets are connected together to form a fixed structure; and
the at least three groups of magnets are arranged inside the housing; each of the groups of magnets comprises a first magnet and a second magnet; the first magnet is arranged on the base; the second magnet is stacked on the first magnet; and the first magnet and the second magnet have opposite magnetic field directions;
the lens carrier comprises a body and coils disposed on the body; the coils and the body are connected together to form a movable structure; the number of the coils is the same as the number of the groups of magnets; and each of the coils is disposed opposite to one of the groups of magnets; and
the spring plate is connected to the lens carrier and one of the first magnet and the second magnet to form a spring oscillator system with multiple degrees of freedom; the spring oscillator system with multiple degrees of freedom comprises a spring center; and a resultant electromagnetic force of each of the coils faces the spring center or faces away from the spring center,
the optical image stabilization voice coil motor further comprises a press ring which is disposed between the base and the spring plate, wherein the press ring comprises an annular base body and a plurality of extension elements formed on the base body, and the base body presses the spring plate below the lens carrier and is connected to the spring plate, the plurality of extension elements is regularly disposed on an inner surface of the base body along a circumferential direction of the base body; each of the extension elements comprises a first extension portion and a second extension portion; the first extension portion extends from the base body toward the lens carrier and into a corresponding notch on the lens carrier; and the second extension portion extends from the base body toward the base to come into contact with the stepped portion on the base;
wherein the lens carrier further comprises a plurality of notches and a plurality of third extension portions formed on the body thereof, the notches and the third extension portions are disposed alternately along a circumferential direction of the body, and the third extension portions extend from the body toward the stepped portion to come into contact with the stepped portion.

US Pat. No. 10,690,995

RADIATION SOURCE

ASML Netherlands B.V., V...

1. A supercontinuum radiation source comprising:illumination optics arranged to receive a pulsed pump radiation beam having a power and to form a plurality of pulsed sub-beams, each pulsed sub-beam comprising a portion of the pulsed pump radiation beam;
a plurality of waveguides each arranged to receive at least one of the plurality of pulsed sub-beams and to broaden a spectrum of that pulsed sub-beam so as to generate a supercontinuum sub-beam wherein the power of the pulsed pump radiation beam is spread over the plurality of waveguides; and
collection optics arranged to receive the supercontinuum sub-beam from the plurality of waveguides and to combine them so as to form a supercontinuum radiation beam,
wherein the pulsed pump radiation beam is passively coupled into the plurality of waveguides and through the plurality of waveguides without applying any amplification.

US Pat. No. 10,690,994

STABLE DIFFERENCE FREQUENCY GENERATION USING FIBER LASERS

IMRA America, Inc., Ann ...

1. An optical source comprising:a pulsed laser having a controlled repetition rate and configured to produce signal light in a signal arm and pump light in a pump arm, said pump arm and said signal arm each disposed downstream from said pulsed laser, said signal light comprising signal optical pulses having a signal frequency and said pump light comprising pump optical pulses having a pump frequency, said signal optical pulses and said pump optical pulses having pulse durations less than 1 ps, wherein at least one of said signal arm or said pump arm comprises a length of optical fiber;
a nonlinear crystal configured to receive said pump light and said signal light and to produce frequency converted light at both of a difference frequency and a sum frequency of said pump frequency and said signal frequency, said sum frequency light having an intensity related to a relative time delay between the pump optical pulses and the signal optical pulses;
a photodetector that detects said sum frequency light having the intensity related to said relative time delay;
a time delay control device configured to control said relative time delay; and
a feedback circuit configured to use information from said photodetector to control said time delay control device to improve stability of said frequency converted light produced in said nonlinear crystal.

US Pat. No. 10,690,993

TUNABLE OPTICAL STRUCTURES

Analog Photonics LLC, Bo...

1. A method of forming an optical structure comprising:providing an optical waveguide having a light guiding core; and
inducing dynamic index perturbations into the optical waveguide using a plurality of acoustic transducers, said dynamic index perturbations sufficient to affect the emission of light traversing the optical waveguide, said emission in a direction out-of-plane relative to the waveguide;
wherein the acoustic transducer is in physical contact with the core of the optical waveguide.

US Pat. No. 10,690,992

CHALCOGENIDE GLASS WAVEGUIDES FOR REFRACTIVE NON-MECHANICAL BEAM STEERER

The Government of the Uni...

1. A method for making a chalcogenide glass waveguide for use in a liquid crystal non-mechanical beam steering device, comprising:depositing a tapered subcladding on a substrate using a mask with a central opening, wherein the tapered subcladding has a film thickness profile exhibiting full thickness beyond the central opening of the mask, an S-shaped taper near the edge of the mask, and no film in areas completely shielded by the mask; and
depositing a waveguide core on the tapered subcladding, wherein the wave aide core has a higher refractive index than the tapered subcladding;
wherein the tapered subcladding, waveguide core, or both comprise a chalcogenide glass; and
wherein one or more obstructions are placed between the substrate and the mask.

US Pat. No. 10,690,991

ADJUSTABLE LENS SYSTEMS

Apple Inc., Cupertino, C...

1. A head-mounted device configured to be placed on a head of a viewer having eyes, comprising:control circuitry;
a sensor coupled to the control circuitry, wherein the control circuitry is configured to use the sensor to determine first and second pupil locations for the eyes of the viewer and measure a direction-of-view for the eyes of the viewer;
first and second adjustable lens components that are adjusted by the control circuitry to form respective first and second lenses; and
at least one display configured to produce images that are viewable by the eyes of the viewer through the first and second lenses, wherein the first and second adjustable lens components each include:
first and second transparent substrates;
a liquid crystal layer between the first and second substrates;
a first set of elongated transparent electrodes on the first substrate that extend along a first dimension; and
a second set of elongated transparent electrodes on the second substrate that extend along a second dimension that is perpendicular to the first dimension, wherein the first and second sets of elongated transparent electrodes intersect at respective pixels in an array of pixels, wherein the control circuitry is configured to apply signals to the first and second sets of electrodes in the first and second adjustable lens components to place lens centers of the first and second lenses in a first position directly in front of the first and second pupil locations, wherein the control circuitry is configured to apply the signals to the first and second sets of electrodes in the first and second adjustable lens components to move the lens centers laterally from the first position to a second position, and wherein the lens centers are aligned with the measured direction-of-view of the eyes of the viewer in the second position.

US Pat. No. 10,690,990

DISPLAY DEVICE AND DISPLAY METHOD

BOE TECHNOLOGY GROUP CO.,...

1. A display device, comprising:a display assembly including a display region and being configured to emit imaging light from the display region to a default direction;
a refractive component comprising a first lens, a second lens and a third lens sequentially arranged along a propagation direction of the imaging light and spaced apart from each other on a display side of the display assembly and configured to diverge or converge at least partial imaging light;
a refractive unit configured to diverge or converge the at least partial imaging light; and a distance adjustment structure configured to change a distance between the refractive unit and the display region of the display assembly; and
a detecting component in signal communication with the refractive component, wherein the refractive component is configured to adjust the divergence or convergence degree of the at least partial imaging light according to signals transmitted by the detecting component;
wherein both the first lens and the second lens are convex lenses, and the third lens is a concave lens, and the three lenses are liquid crystal lenses; and the detecting component comprises an eye detecting unit configured to acquire eye information of the user, and a brain wave detecting unit configured to acquire brain wave information of the user.

US Pat. No. 10,690,989

OPTICAL MODULATION DEVICE AND METHOD FOR CONTROLLING OPTICAL MODULATION DEVICE

Mitsubishi Electric Corpo...

1. An optical modulation device comprising:a Mach-Zehnder (“MZ”) modulator for modulating light output continuously from a light source, based on a driving voltage and a bias voltage, to generate a light signal;
a splitter for splitting the light signal;
a photodiode for converting a light signal output from the splitter into an electrical signal;
a log detector for detecting a difference between a local maximum value and a local minimum value of a photodiode signal output from the photodiode;
a dither-signal generator for generating a dither signal during control of a driving voltage amplitude;
a synchronous detector for performing synchronous detection by multiplying an output signal from the log detector by the dither signal;
a bias controller for outputting a reference Direct Current (“DC”) bias voltage;
a superposition circuitry for superposing the dither signal on the reference DC bias voltage and outputting a resultant voltage as the bias voltage during the control of the driving voltage amplitude and for outputting the reference DC bias voltage as the bias voltage during operations other than the control of the driving voltage amplitude;
a data signal generator for generating a data signal and outputting the data signal;
a check-pattern generator for outputting a check-pattern signal that is set by a user;
a selector for selecting the check-pattern signal during the control of the driving voltage amplitude and for selecting the data signal during an operation;
an amplifier for amplifying a signal that is selected from the check-pattern signal and the data signal and outputting the signal that is amplified by the amplifier as the driving voltage to the MZ modulator; and
an amplitude setter for determining, by varying an amplitude of an output voltage from the amplifier, a plurality of amplitudes of output curves from the synchronous detector, each of which is obtained by varying the reference DC bias voltage output from the bias controller, and for setting an amplification factor of the amplifier, based on an amplitude of the output voltage from the amplifier that corresponds to an amplitude satisfying a predetermined condition, out of the plurality of the amplitudes of the output curves from the synchronous detector, during the control of the driving voltage amplitude.

US Pat. No. 10,690,987

COUNTER ELECTRODE FOR ELECTROCHROMIC DEVICES

VIEW, INC., Milpitas, CA...

1. An integrated deposition system for fabricating an electrochromic stack, the integrated deposition system comprising:a plurality of deposition stations aligned in series and interconnected and operable to pass a substrate from one station to the next without exposing the substrate to an external environment, wherein the plurality of deposition stations comprise
(i) a first deposition station containing a first one or more material sources for depositing a cathodically coloring layer;
(ii) a second deposition station containing a second one or more material sources for depositing an anodically coloring layer comprising nickel tungsten tantalum oxide; and
a controller containing program instructions for passing the substrate through the plurality of deposition stations in a manner that deposits on the substrate (i) the cathodically coloring layer, and (ii) the anodically coloring layer to form a stack comprising at least the cathodically coloring layer and the anodically coloring layer.

US Pat. No. 10,690,986

ELECTRONIC DEVICES HAVING ELECTRICALLY ADJUSTABLE OPTICAL SHUTTERS

Apple Inc., Cupertino, C...

7. An electronic device having opposing front and rear faces, comprising:a display on the front face;
a housing having a rear housing wall on the rear face;
an optical component window in an opening in the rear housing wall;
a camera in alignment with the optical component window;
an electrically adjustable component that is separate from and overlaps the camera; and
control circuitry configured to adjust the electrically adjustable component to adjust a light transmission spectrum associated with the electrically adjustable component.

US Pat. No. 10,690,985

VEHICLE DEVICE AND METHOD USING A VEHICLE DEVICE

E.I.S. AIRCRAFT PRODUCTS ...

1. An aircraft device in an aircraft, comprising:a window unit;
a partition wall in which the window unit is at least partly integrated, the partition wall comprising a frame unit and a separating unit, the separating unit comprising the window unit and being arranged in a separating unit accommodation region of the frame unit; and
a transparency switching unit that is, in a first operating state, which is a de-energized state that is a zero current or zero voltage state, configured to enable a view through the window unit,
wherein the transparency switching unit comprises an illuminating unit that is configured to at least partly prevent a view through the window unit in a second operating state,
wherein the transparency switching unit is free of movable components,
wherein the illuminating unit is arranged in a proximity of the window unit,
wherein the illuminating unit is different from a vehicle interior illumination unit,
wherein the illuminating unit is at least partly integrated in the frame unit,
wherein the frame unit is configured to absorb at least a major part of the weight of the separating unit, and
wherein the frame unit is different from a supporting structure of the aircraft, including a floor, a ceiling, a side wall, a luggage rack and/or any further structural component of the aircraft.

US Pat. No. 10,690,984

ELECTRONIC APPARATUS AND CONTROL METHOD THEREOF

SAMSUNG ELECTRONICS CO., ...

1. An electronic apparatus comprising:a touch panel;
a first display panel placed adjacent to a privacy protection layer and provided to reflect light of a first predetermined wavelength region among light incident on a touch input point when a touch input is received;
a second display panel placed adjacent to a surface of the first display panel facing away from the privacy protection layer and provided to reflect light of a second predetermined wavelength region among light incident on a touch input point when a touch input is received;
a communicator configured to receive color information to be applied to the first display panel and the second display panel; and
a controller configured to control power applied to the first display panel and the second display panel based on the color information received by the communicator,
wherein the privacy protection layer includes cholesteric liquid crystal molecules and blackening materials,
wherein the cholesteric liquid crystal molecules are arranged such that the cholesteric liquid crystal molecules are twisted at regular intervals, and the blackening materials are introduced into the twisted structure of the cholesteric liquid crystal molecules.

US Pat. No. 10,690,983

REFLECTIVE DISPLAY AND PREPARATION METHOD THEREOF

BOE TECHNOLOGY GROUP CO.,...

9. A preparation method of a reflective display, comprising:providing a first substrate and a second substrate;
forming a first electrode and a transparent dielectric layer on the first substrate;
forming a second electrode on the second substrate;
forming a light absorption layer on the second substrate;
assembling the first substrate and the second substrate to form a cell, and providing liquid crystal on one of the first substrate and the second substrate;
wherein a refractive index of the liquid crystal changes under action of an electric field formed by the first electrode and the second electrode so that the refractive index of the liquid crystal is the same as or substantially the same as a refractive index of the transparent dielectric layer, or less than the refractive index of the transparent dielectric layer;
the transparent dielectric layer is on a side of the first electrode, which side is closer to the liquid crystal;
in a case where the refractive index of the liquid crystal is less than the refractive index of the transparent dielectric layer, and an incident angle of light is larger than or equal to a minimum angle for the light which is subjected to total reflection between the liquid crystal and the transparent dielectric layer, the light is subjected to total reflection at an interface of the transparent dielectric layer and the liquid crystal, so that a bright state display is achieved;
the light absorption layer comprises a black material;
the second electrode is formed of a metal material and configured to reflect light that is incident onto the second electrode; and
the second electrode is a plate electrode, and the first substrate, the first electrode, the transparent dielectric layer, the liquid crystal, the light absorption layer, the second electrode and the second substrate are sequentially arranged along a direction perpendicular to the reflective display.

US Pat. No. 10,690,982

DISPLAY DEVICE

SAMSUNG DISPLAY CO., LTD....

1. A display device, comprising:a substrate including a display area and a peripheral area around the display area;
a plurality of gate lines, each of the plurality of gate lines extending in a first direction; and
a first gate driver including a plurality of stages connected to the plurality of gate lines, each of the plurality of stages comprising transistors integrated on the peripheral area of the substrate,
wherein
the first gate driver includes a first region including first stages of the plurality of stages, and a second region including second stages of the plurality of stages,
the first stages are aligned in a line in a second direction crossing the first direction,
the second stages are not aligned with the first stages in the second direction,
at least two of the second stages of the second region are not aligned with each other in the second direction, and
a first virtual straight line overlapping a first stage of the first stages and extending in the first direction passes the display area, and a second virtual straight line overlapping a second stage of the second stages and extending in the first direction passes the display area.

US Pat. No. 10,690,981

PIXEL STRUCTURE AND DRIVING METHOD CAPABLE OF SWITCHING DISPLAY MODE

Au Optronics Corporation,...

1. A pixel structure, comprising:a scan line, a first data line and a second data line, wherein each of the first data line and the second data line substantially extends in a first direction;
a first switching element, electrically connected with the scan line and the first data line;
a second switching element, electrically connected with the second data line;
a common electrode, comprising:
a plurality of first body portions, substantially extending in the first direction; and
a plurality of first branch portions, respectively connected to corresponding ones of the first body portions;
a first electrode, electrically connected to the first switching element, the first electrode comprising:
a second body portion, located between the first body portions, and substantially extending in the first direction; and
a plurality of second branch portions, electrically connected to two sides of the second body portion and extending outwards therefrom; and
a second electrode, electrically connected to the second switching element, the second electrode comprising:
a plurality of main portions, substantially extending in the first direction; and
at least one bridge portion, electrically connected to the main portions, wherein the at least one bridge portion overlaps at least one of the first branch portions in a projection direction, and the least one bridge portion does not overlap at least one of the second branch portions in the projection direction.

US Pat. No. 10,690,980

ARRAY SUBSTRATE AND DRIVING METHOD THEREOF AND LIQUID CRYSTAL PANEL

SHENZHEN CHINA STAR OPTOE...

1. An array substrate comprising a plurality of scan lines, a plurality of data lines and a plurality of sub-pixels that are arranged in a matrix and are defined by the scan lines and the data lines, wherein every two rows of sub-pixels constitutes a unit, sub-pixels in the same column and in the same unit are connected to the same data line, sub-pixels in the same column but respectively in two adjacent units are connected to different data lines, two adjacent columns of sub-pixels in the same unit are connected to different data lines, and two scan lines in the same unit are conducted at the same time,wherein, a data signal is inputted to one of the data lines although sub-pixels connected to the one of the data lines all are not conducted;
wherein the sub-pixels sequentially form n units, and the sub-pixels are sequentially arranged in m columns, and the data lines are sequentially arranged in m+1 columns, wherein each of m and n is an integer larger than or equal to 2,
wherein in the n units, columns of sub-pixels of each odd-numbered unit are sequentially electrically connected to the data lines in an order from a second data line to an (m+1)th data line, and columns of sub-pixels of each even-numbered unit are sequentially electrically connected to the data lines in an order from a first data line to an mth data line;
wherein in the n units, when the scan lines of one of the odd-numbered units are conducted, the data signal with a gray level from 0 to 255 is inputted to the first data line, and when the scan lines of one of the even-numbered units are conducted, the data signal with a gray level from 0 to 255 is inputted to the (m+1)th data line.

US Pat. No. 10,690,979

DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME

Samsung Display Co., Ltd....

1. A display panel comprising:a first base substrate;
a second base substrate opposing the first base substrate:
a liquid crystal layer disposed between the first substrate and the second substrate;
a plurality of gate lines and a plurality of data lines disposed on the first substrate; and
a plurality of pixels connected to the plurality of gate lines and the plurality of data lines, each of the plurality of pixels including:
a thin film transistor disposed on first base substrate, and electrically connected to a respective gate line and a respective data line;
a first electrode disposed on the first base substrate and electrically connected to the thin film transistor;
a third electrode disposed on the first base substrate and spaced apart from the first electrode in a plan view; and
a second electrode facing the first electrode and the third electrode, and entirely overlapping the respective data line in a first direction, a common voltage being configured to be applied to the second electrode,
wherein the third electrode includes a connecting electrode electrically connected to a third electrode of an adjacent pixel.

US Pat. No. 10,690,978

ARRAY SUBSTRATE, DISPLAY PANEL, AND DISPLAY

Wuhan China Star Optoelec...

1. An array substrate comprising a GOA circuit, wherein the GOA circuit of the array substrate comprises a poly-silicon layer, a first insulation layer, a first metal layer, a second insulation layer and a second metal layer which are sequentially disposed in a stacked manner, wherein the poly-silicon layer at least partially overlaps with the first metal layer in an insulated manner to form a capacitor, and the second metal layer at least partially overlaps with the first metal layer in an insulated manner to form a capacitor; and the GOA circuit further comprises at least one metal layer in contact with the first metal layer, and the at least one metal layer at least partially overlaps with the second metal layer and/or the poly-silicon layer in an insulated manner to form a capacitor;wherein the at least one metal layer comprises a third metal layer, and the third metal layer is synchronously formed with a common electrode layer or a pixel electrode layer of the array substrate;
wherein the third metal layer is synchronously formed with the pixel electrode layer and overlaps with the second metal layer in an insulation manner through a third insulation layer; the third insulation layer comprises a passivation layer and a planarization layer of the array substrate; the passivation layer is located between the common electrode layer and the pixel electrode layer, and the planarization layer is located between the common electrode layer and the third metal layer.

US Pat. No. 10,690,977

DISPLAY PANEL

Himax Display, Inc., Tai...

1. A display panel comprising:a top substrate having a top surface;
a plurality of protrusions disposed on the top surface of the top substrate;
an antireflective layer disposed on the top surface of the top substrate;
a light shielding layer, wherein a first projection of the light shielding layer onto the top substrate is completely located within a second projection of the antireflective layer onto the top substrate, and a bottom surface of the light shielding layer is nonplanar to cover the plurality of protrusions;
a bottom substrate positioned at a side of the top substrate opposite to the top surface of the top substrate; and
a display medium layer disposed between the top substrate and the bottom substrate.

US Pat. No. 10,690,976

DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A display device comprising:a display panel including a display region in which an image is displayed and a non-display region that surrounds the display region;
at least one optical member imparting predetermined optical effects to light emitted toward the display panel;
at least one fixing member fixing the at least one optical member to another member; and
a control substrate controlling display of the image, wherein
the control substrate includes a ground section including a conductor pattern, and
the at least one fixing member has electrical conductivity, electrically connects the at least one optical member directly or indirectly to the ground section, and is fixed to an entire length of the non-display region of the display panel for an entire length of an outer edge of the at least one optical member.

US Pat. No. 10,690,975

ACTIVE MATRIX SUBSTRATE, MANUFACTURING METHOD THEREFOR AND DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. An active-matrix substrate with a plurality of pixel forming portions formed in a matrix on an insulating substrate, comprising:a display portion including a plurality of scanning signal lines formed on the insulating substrate, a plurality of data signal lines formed on a gate insulating film so as to cross each of the scanning signal lines, the gate insulating film being formed on the scanning signal lines, and the pixel forming portions being formed corresponding to respective intersections of the scanning signal lines and the data signal lines;
a scanning signal line driver circuit configured to sequentially select the scanning signal lines;
a data signal line driver circuit configured to write image signal voltages to the data signal lines, the image signal voltages being generated on the basis of externally inputted image data;
a coupling conductor line provided outside the display portion and coupling either the scanning signal lines or the data signal lines, or both; and
a display portion inspection circuit configured to inspect whether there is any short circuit between the scanning signal lines, between the data signal lines, and between the scanning signal lines and the data signal lines, the display portion inspection circuit being disposed outside the display portion, wherein,
the coupling conductor line couples the signal lines by coupling lines disposed between each respective adjacent pair of the signal lines and including oxide semiconductor films;
the display portion inspection circuit includes:
a first inspection control portion including a plurality of first lines respectively connected to the scanning signal lines and a plurality of first thin-film transistors respectively connected to the first lines and controlling voltages applied to the scanning signal lines, the first inspection control portion connecting the first lines together or separately for each of two or more groups; and
a second inspection control portion including a plurality of second lines respectively connected to the data signal lines and a plurality of second thin-film transistors respectively connected to the second lines and controlling voltages applied to the data signal lines, the second inspection control portion connecting the second lines together or separately for each of two or more groups; and
the first and second thin-film transistors have channel layers made of an oxide semiconductor.

US Pat. No. 10,690,974

LIQUID CRYSTAL DISPLAY DEVICE

Japan Display Inc., Toky...

1. A liquid crystal display device comprising:a lower polarizer;
an upper polarizer;
a TFT substrate including a plurality of terminals arranged in a first direction, a plurality of pixels in a pixel region, first metal wiring outside of the pixel region, and second metal wiring outside of the first metal wiring;
a color filter substrate having a first surface and a second surface opposed to the first surface;
a liquid crystal between the TFT substrate and the color filter substrate;
a seal sealing the liquid crystal; and
an external circuit connected to the plurality of terminals,
wherein
the TFT substrate is between the lower polarizer and the liquid crystal,
the color filter substrate is between the upper polarizer and the liquid crystal,
the upper polarizer is on the first surface of the color filter substrate,
the first metal wiring has a first part and a second part,
the first part and the second part extend in a second direction intersecting with the first direction,
the pixel region is between the first part and the second part in the first direction,
the second metal wiring has a third part and a fourth part,
the third part and the fourth part extend in the second direction,
the first part is between the third part and the pixel region in the first direction,
the second part is between the pixel region and the fourth part in the first direction,
the first part has a plurality of openings,
the seal overlaps the plurality of openings of the first part,
the upper polarizer does not overlap the seal and the plurality of openings of the first part,
the upper polarizer does not overlap the third part and the fourth part,
one of the plurality of openings of the first part is defined by at least two branch lines of the first part,
the two branch lines extend in the second direction, and
a first width of the one of the plurality of openings in the first direction is smaller than a second width of the one of the two branch lines in the first direction.

US Pat. No. 10,690,973

ELECTRONIC DEVICE

INNOLUX CORPORATION, Chu...

1. An electronic display device, comprising:an insulating substrate having a first surface and a second surface opposite to the first surface, wherein the insulating substrate has a thickness denoted by t and a width denoted by WS;
a display medium layer disposed on the first surface;
a first hole penetrating through the insulating substrate, wherein the first hole has a first area on the first surface denoted by A1? and a second area on the second surface denoted by A1; and
a second hole penetrating through the insulating substrate, wherein at least part of the first hole and at least part of the second hole are located in a display region, the second hole has a third area on the first surface denoted by A2? and a fourth area on the second surface denoted by A2, and a distance between the first hole and the second hole is denoted by d,
wherein values of the thickness t, the width WS, the first area A1?, the second area A1, the third area A2?, the fourth area A2, and the distance d are conformed to the following equation (I):

wherein A1?, A1, A2?, and A2 are in the unit of ?m2, t and WS are in the unit of ?m, and N is greater than 0 and less than 1E6.

US Pat. No. 10,690,972

LIQUID CRYSTAL DISPLAY DEVICE

Japan Display Inc., Mina...

1. A liquid crystal display device comprising:a scan line extends in a first direction;
a video signal line extends in a direction of tilting angle of ?1 with respect to a second direction that is perpendicular to the first direction, and, after crossing the scan line, extends in a direction of tilting angle of ??1 with respect to the second direction; and
a pixel formed in an area surrounded by scan line and the video signal line,
wherein
the pixel includes: a thin film transistor, a flattening film that covers the thin film transistor, a first electrode formed on the flattening film, a second electrode formed over the first electrode via a first insulating film, a third electrode formed over the second electrode via a second insulating film, and a contact hole that is formed in the flattening film to connect the second electrode and the thin film transistor,
the first electrode is formed in common in plural pixels,
the third electrode is formed in common in plural pixels,the third electrode has a plurality of slits in parallel to the video signal line,only one slit is formed in the pixel,
the one slit continuously extends across the scan line, and is formed in common in a plurality of pixels arranged in the second direction, and
an extending direction of the one slit changes its direction at least once in the pixel,
wherein the first electrode and the third electrode are common electrode,
the second electrode is a pixel electrode, and
the one slit overlaps the contact hole and extends across the contact hole.

US Pat. No. 10,690,971

LIQUID CRYSTAL DISPLAY DEVICE

Japan Display Inc., Toky...

1. A liquid crystal display device comprising:a TFT substrate and a counter substrate;
a liquid crystal layer sandwiched between the TFT substrate and the counter substrate;
a first metal line on the TFT substrate;
a second metal line intersecting with the first metal line;
a thin film transistor connected to the first metal line and the second metal line,
an organic passivation film formed over the first metal line, the second metal line and the thin film transistor;
a pixel electrode connected to the thin film transistor on the organic passivation film;
a counter electrode formed opposite to the pixel electrode with an interlayer insulation film;
a third metal line formed on the counter electrode along the first metal line; and
a columnar spacer formed on the counter substrate;
wherein
the pixel electrode and the counter electrode are transparent,
the counter electrode is electrically connected to the third metal line,
a width of the third metal line at an intersection of the first metal line and the second metal line is wider than a width of the third metal line between the intersection and an adjacent intersection, and
the columnar spacer is overlapped with the wider portion of the third metal line at the intersection of the first metal line and the second metal line.

US Pat. No. 10,690,970

DISPLAY WITH HYBRID COLUMN SPACER STRUCTURES

Apple Inc., Cupertino, C...

1. A display having perpendicular first and second lateral dimensions, comprising:a color filter layer having an inner surface that lies plane parallel to a plane defined by the first and second lateral dimensions and an opposing outer surface;
a thin-film transistor layer having an outer surface and having an opposing inner surface that faces the inner surface of the color filter layer;
a layer of liquid crystal material between the color filter layer and the thin-film transistor layer;
main column spacers each of which has a first elongated portion on the inner surface of the thin-film transistor layer having a length along the first lateral dimension and having a width along the second lateral dimension that is shorter than its length and a second elongated portion on the inner surface of the color filter layer having a length along the second lateral dimension and having a width along the first lateral dimension that is shorter than its length, wherein the first elongated portion of each main column spacer is separated from the second elongated portion of that main column spacer by a first distance; and
subspacers each of which has a first elongated portion on the inner surface of the thin-film transistor layer having a length along the second lateral dimension and having a width along the first lateral dimension that is shorter than its length and a second elongated portion on the inner surface of the color filter layer having a length along the first lateral dimension and having a width along the second lateral dimension that is shorter than its length, wherein the first elongated portion of each subspacer is separated from the second elongated portion of that subspacer by a second distance, wherein the second distance is less than the first distance.

US Pat. No. 10,690,969

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME

Japan Display Inc., Mina...

1. A liquid crystal display device, comprising:a first substrate including,
a first insulating substrate, and
a first organic insulating film including a first concave portion and arranged on the first insulating substrate in a circumference area outside an active area for displaying images;
a second substrate including,
a second insulating substrate,
a light shield layer arranged on the second insulating substrate facing the first substrate in the circumference area,
a first color filter and a second color filter which are arranged on the light shield layer facing the first substrate, and
a second organic insulating film covering the first color filter and the second color filter;
a seal material arranged between the first organic insulating film and the second organic insulating film to attach the first substrate and the second substrate;
a spacer arranged between the first organic insulating film and the second organic insulating film; and
a liquid crystal layer held in a gap surrounded with the seal material between the first substrate and the second substrate,
wherein the first color filter is separated from the second color filter, at a position opposed to the first concave portion,
the second organic insulating film is in contact with the light shield layer between the first color filter and the second color filter,
the spacer overlaps the second color filter, and is arranged closer to a first substrate end of the first insulating substrate than the first concave portion,
the first organic insulating film includes a first portion located between the first insulating substrate and the first color filter, and a second portion located between the first insulating substrate and the second color filter and separated from the first portion, and
the seal material is arranged between the first portion and the second portion.

US Pat. No. 10,690,968

DISPLAY DEVICE AND ELECTRONIC APPARATUS

JAPAN DISPLAY INC., Toky...

9. A display device comprising:a pair of substrates facing each other;
a pixel section between the substrates;
a frame region around the pixel section;
a thin film transistor on one of the substrates in the pixel section, the thin film transistor including a gate insulating film;
an organic insulating film located in the pixel section and in the frame region;
an inorganic insulating film covering an entire surface of the organic insulating film, the entire surface being an entirety of an uppermost surface of the organic insulating film in the frame region; and
a seal layer covering an edge of the organic insulating film in the frame region and overlapping the inorganic insulating film, the edge including the uppermost surface and a side surface of the organic insulating film,
wherein,
the inorganic insulating film is not in direct contact with the gate insulating film,
the thin film transistor is entirely covered by the organic insulating film, and
the gate insulating film and the inorganic insulating film extend beyond the edge of the organic insulating film in the frame region.

US Pat. No. 10,690,967

PLASTIC CELL AND METHOD FOR MANUFACTURING SAME

FUJIFILM Corporation, To...

1. A plastic cell comprising:a first plastic substrate, a first transparent conductive layer, a fluid layer, a second transparent conductive layer, and a second plastic substrate, in this order,
wherein the plastic cell further comprises a sealing part that seals the fluid layer by deformation of a part of the first plastic substrate or the second plastic substrate, and
the sealing part has a region of a wavy line shape that satisfies Expression (1),
P?40 A  (1)
in Expression (1), P represents a distance between adjacent peaks in a period of the wavy line shape, and A represents an amplitude of the wavy line shape.

US Pat. No. 10,690,966

MATERIAL OF ALIGNMENT FILMS, METHODS OF FABRICATING LIQUID CRYSTAL DISPLAY PANELS AND LIQUID CRYSTAL DISPLAY PANELS

SHENZHEN CHINA STAR OPTOE...

1. A method of fabricating a liquid crystal display panel, comprising the following steps:Step 1, providing a material of alignment film, the material of alignment film comprising a polyamic acid containing aromatic fused ring structure, a polymerizable monomer containing aromatic fused ring structure, and a solvent;
wherein the polyamic acid containing aromatic fused ring structure comprises one or more than one of the following:

wherein
comprise one or a combination of more than one ofare the same or different;is a non-aromatic fused ring based group containing cyclic unit; andthe polymerizable monomer containing aromatic fused ring structure comprises

Step 2, providing a first substrate and a second substrate, the first substrate comprising a first underlying substrate and a first electrode disposed on the first underlying substrate, the second substrate comprising a second underlying substrate and a second electrode disposed on the second underlying substrate;
coating the material of alignment film provided in step 1 on a surface of the first electrode of the first substrate and a surface of the second electrode of the second substrate; and
baking the material of alignment film, to completely volatilize the solvent, simultaneously to make dehydration and cyclization of the polyamic acid containing aromatic fused ring structure, then to be converted to a polyimide containing aromatic fused ring, to form a polyimide film, and the polyimide film containing a polymerizable monomer containing aromatic fused ring structure;
Step 3, dripping liquid crystal molecules on the surface of the first substrate or second substrate that the polyimide film is disposed thereon, coating a sealant on a periphery corresponding to the liquid crystal molecules on the side of the second substrate or first substrate that the polyimide film is disposed thereon;
Step 4, laminating the first substrate and the second substrate at corresponding position, so that a liquid crystal layer is formed by the liquid crystal molecules located between the first substrate and the second substrate; curing the sealant, at this time, the liquid crystal molecules arranging perpendicular to the first substrate and the second substrate; and
Step 5, applying a voltage to both sides of the liquid crystal layer through the first electrode and the second electrode, after the liquid crystal molecules deflected, at the same time of applying the voltage, performing UV irradiation to the polyimide film, to form polymer protrusions on the surface of the polyimide film by polymerizing the polymerizable monomer containing aromatic fused ring structure by action of photo initiation, so that a first alignment film and a second alignment film are respectively formed on the surfaces of the first substrate and the second substrate, both the first alignment film and the second alignment film comprise the polyimide film and the polymer protrusions located on the surface of the polyimide film;
wherein after the UV irradiation is stopped and the voltage is removed, the liquid crystal molecules near surfaces of the first alignment film and the second alignment film generates a pre-inclination angle.

US Pat. No. 10,690,965

QUANTUM DOT DIAPHRAGM AND LIQUID CRYSTAL DISPLAY DEVICE

WUHAN CHINA STAR OPTOELEC...

1. A method for preparing a quantum dot diaphragm, wherein the quantum dot diaphragm comprises a color gamut conversion region and a color gamut non-effective region surrounding the color gamut conversion region, and the quantum dot diaphragm comprises a cutting line along which a cut area of the quantum dot diaphragm extends to define said color gamut non-effective region that is of a predetermined width located between the cutting line and the color gamut conversion region, such that a function of color gamut conversion of the quantum dot diaphragm is maintained in the color gamut conversion region, while the function of color gamut conversion of the quantum dot diaphragm is lost in the color gamut non-effective region,the method comprising:
providing a quantum dot diaphragm and subjecting the quantum dot diaphragm to cutting to form the cutting line on the quantum dot diaphragm and to form the cut area on the quantum dot diaphragm along the cutting line, so as to define the color gamut conversion region and the color gamut non-effective region of the quantum dot diaphragm; and
subjecting the quantum dot diaphragm that is subjected to the cutting and includes the cut area to coating of a quantum phosphor layer on the cut area, wherein the quantum phosphor layer comprises a plurality of transparent regions that are transmittable to blue light and a plurality of first quantum dot regions and second quantum dot regions that are excitable by blue light to emit red light and green light, respectively, to provide the color gamut non-effective region with a supplementing function of color gamut conversion such that color gamut conversion is achievable in both the color gamut conversion region and the color gamut non-effective region,
wherein the transparent regions, the first quantum dot regions, and the second quantum dot regions are arranged on the surface of the cut area in an alternate manner and are located between the cutting line and the color gamut conversion region, the transparent regions, the first quantum dot regions, and the second quantum dot regions being distributed along the cutting line.

US Pat. No. 10,690,964

DISPLAY DEVICE AND METHOD FOR MAKING SAME

Visteon Global Technologi...

1. A display device comprising a display element, the display element being backlit by a preassembled back-lighting module, wherein the preassembled back-lighting module comprises:a frame formed from a material comprising magnesium;
a light source positioned on a lateral side of a display area of the display element, wherein the light source is in direct contact and direct thermal contact with the frame;
a lightguide configured to distribute light emitted by the light source substantially uniformly over the display area;
an optical filtering device configured to enable the preassembled back-lighting module to be used with various display element types; and
a light scattering device configured to enhance uniformity of the light distributed over the display area;
wherein the display device is formed by associating the preassembled back-lighting module with the display element; and
wherein the light source comprises a light-emitting diode (LED), and the LED is directly coupled to the frame by an adhesive.

US Pat. No. 10,690,963

LIQUID CRYSTAL ILLUMINATION DEVICE, HEAD UP DISPLAY, AND ILLUMINATION METHOD

JVCKENWOOD Corporation, ...

1. A liquid crystal illumination device comprising:a liquid crystal panel;
a light source configured to project light to the liquid crystal panel;
a first diffusion unit configured to be provided adjacent to the light source and diffuse light projected from the light source;
a first light guide unit configured to be provided with the first diffusion unit at one end, include a reflection surface formed in such a way as to radially widen from the light source side toward the liquid crystal panel side, reflect light diffused by the first diffusion unit at the reflection surface, and guide the light;
a reflecting mirror configured to be provided at another end of the first light guide unit, an opening being formed on the reflecting mirror, part of the light guided by the first light guide unit being reflected and returned to inside the first light guide unit, and remaining light passing through the opening;
a light collecting unit configured to be provided adjacent to the reflecting mirror and collect light passing through the opening on the reflecting mirror; and
a second diffusion unit configured to be provided adjacent to the light collecting unit and diffuse the light collected by the light collecting unit toward the liquid crystal panel, wherein
the opening on the reflecting mirror is formed to correspond to a display region where the liquid crystal panel display an image, and
a haze value of the first diffusion unit is set to a value higher than a haze value of the second diffusion unit.

US Pat. No. 10,690,962

ILLUMINATION DEVICE

Japan Display Inc., Mina...

1. An illumination device, comprising:a light source module comprising a plurality of light sources; and
a reflector opposed to the light source module,
wherein
the reflector comprises a plurality of incidence openings on which light from the light sources is made incident, a plurality of emission openings opposed to the incidence openings, and a plurality of reflective surfaces extending from the incidence openings to the emission openings, respectively, and
each of the reflective surfaces is formed of a metallic material and is formed by combining a plurality of curved surfaces arranged in an optical axis direction of the light sources.

US Pat. No. 10,690,961

PARTIAL DRIVE-TYPE LIGHT SOURCE DEVICE AND IMAGE DISPLAY DEVICE USING SAME

Dexerials Corporation, S...

1. A partial drive-type light source device comprising:an excitation light source that is formed from a plurality of light-emitting elements and is partially drivable;
a phosphor sheet disposed at a position separated from the excitation light source and containing a phosphor that converts at least part of a wavelength region of incident light from the excitation light source and releases emitted light in a wavelength region differing from the incident light; and
a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet, wherein
the phosphor sheet includes a phosphor layer and a protective film for protecting the phosphor layer, the phosphor layer being formed from a resin composition including the phosphor,
the phosphor sheet and the wavelength-selective reflection film are in an integrated form to configure an integrated sheet, and
in the integrated sheet, the protective film is disposed at one side of the phosphor layer, and the phosphor layer and the wavelength-selective reflection film are directly joined at the opposite side of the phosphor layer.

US Pat. No. 10,690,960

DISPLAY DEVICE

INNOLUX CORPORATION, Mia...

1. A display device, comprising:a display unit;
a backlight module, disposed corresponding to the display unit, wherein the backlight module comprises:
a circuit board;
a plurality of light sources, disposed on the circuit board;
a first diffuser plate, disposed between the plurality of light sources and the display unit; and
a second diffuser plate, disposed between the first diffuser plate and the display unit;
a first optical film, disposed between the second diffuser plate and the display unit;
a second optical film, disposed between the first optical film and the display unit;
a first brightness enhancement film, disposed between the first optical film and the second optical film;
a second brightness enhancement film, disposed between the first brightness enhancement film and the second optical film; and
a third brightness enhancement film, disposed between the first diffuser plate and the second diffuser plate;
wherein the circuit board comprises at least one radius of curvature, and the radius of curvature ranges from 10 mm to 10000 mm.

US Pat. No. 10,690,959

DISPLAY APPARATUS

BEIJING BOE OPTOELECTRONI...

1. A display apparatus, comprising:a display module;
a camera module;
a backlight portion being provided on a side of the display module being opposite from a light-emitting surface of the display module, the backlight portion including a backboard, the backboard being provided at a side of the backlight portion being opposite from the display module; and
a mounting component fixedly attached onto the backboard;
wherein:
the camera module is within a display area of the display module;
the camera module is over a side of the display module distal to a light-emitting surface of the display module; and
the display area of the display module comprises a light-incident region positionally corresponding to a lens of the camera module, wherein the light-incident region is configured to allow lights from a side of the display apparatus proximal to the light-emitting surface of the display module to pass therethrough to thereby enter the lens of the camera module;
the camera module extends through a mounting hole, the mounting hole extending through the backlight portion;
the mounting component forms a cavity extending away from an opposing surface of the backboard being opposite from the display module, and wherein the end portion of the camera module extends into the cavity, wherein the camera module is attached to the mounting component within the cavity.

US Pat. No. 10,690,958

BEAM DEFLECTOR AND THREE-DIMENSIONAL DISPLAY DEVICE INCLUDING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. A beam deflector comprising:a first wavelength selective polarizer configured to selectively convert a polarization state of light in a first wavelength band among incident light into a first polarization state
a first liquid crystal deflector configured to selectively deflect light incident from the first wavelength selective polarizer and in the first polarization state, the first liquid crystal deflector comprising liquid crystal molecules and a first optical path change surface;
a controller configured to control the first liquid crystal deflector to adjust the first optical path change surface; and
a polarizer having a polarization axis parallel to a direction of a second polarization state, the polarizer being configured to transmit light having the second polarization state perpendicular to the first polarization state to be incident on the first wavelength selective polarizer.

US Pat. No. 10,690,957

DISPLAY APPARATUS AND METHOD FOR MANUFACTURING THE SAME

Samsung Display Co., Ltd....

2. A display apparatus comprising:a display module including a display area and a non-display area that surrounds the display area,
wherein the display module comprises:
an upper substrate comprising a wire layer configured to polarize the light;
a lower substrate comprising a plurality of pixel electrodes and a common electrode line; and
a liquid crystal layer disposed between the upper substrate and the lower substrate,
wherein the wire layer comprises:
a plurality of wire parts disposed on the display area and spaced by a predetermined distance; and
an electrode part connected to the wire parts, disposed on the non-display area, and electrically connected to the common electrode line, and
wherein the electrode part has a frame shape.

US Pat. No. 10,690,956

LIQUID CRYSTAL DISPLAY DEVICE COMPRISING A TRANSPARENT REINFORCEMENT PLATE DISPOSED BETWEEN A FIRST POLARIZER AND A BACKLIGHT UNIT

PANASONIC LIQUID CRYSTAL ...

1. A liquid crystal display device comprising:a liquid crystal cell comprising a first transparent substrate, a second transparent substrate, and a liquid crystal layer disposed between the first transparent substrate and the second transparent substrate;
a backlight unit behind the liquid crystal cell;
a first polarizer disposed between the liquid crystal cell and the backlight unit and attached to the first transparent substrate;
a transparent reinforcement plate disposed between the first polarizer and the backlight unit and attached to the first polarizer;
a middle frame including:
a protrusion protruding toward a space between the backlight unit and the transparent reinforcement plate, and
a side wall disposed on a lateral side of the liquid crystal cell and the first polarizer,
wherein the transparent reinforcement plate rests on the protrusion, and in a plan view, an outer contour of the transparent reinforcement plate is external to each of an outer contour of the first transparent substrate, an outer contour of the second transparent substrate, and an outer contour of the first polarizer,
a first gap is disposed in a space at least partially surrounded by the first transparent substrate, the side wall, the transparent reinforcement plate, and the first polarizer,
a second gap is provided between the side wall and the liquid crystal cell, and
the first gap is wider in a lateral direction than the second gap.

US Pat. No. 10,690,955

ELECTRO-OPTIC DISPLAYS, AND COMPONENTS FOR USE THEREIN

E Ink Corporation, Bille...

1. A method for forming filter elements on at least two display substrates using a digital imaging system operable to selectively deposit filter material at a plurality of deposition locations, said deposition locations comprising first deposition locations generally aligned along a first axis of the display substrates and second deposition locations generally aligned along a second axis of the display substrates, the at least two display substrates being disposed in succession along said second axis, the method comprising:receiving orientation information defining a disposition of a plurality of pixels associated with each of said display substrates with respect to the first and second axes;
identifying pixels in said plurality of pixels that are to receive filter material for forming a filter element on the pixel;
selecting deposition locations within each of said identified pixels in accordance with said orientation information to meet an alignment criterion associated with placement of the filter element within said pixel;
computing an offset associated with said plurality of pixels in a direction of the first axis for at least one of said display substrates; determining a residual portion of said offset that cannot be compensated by said selection of said deposition locations;
controlling the digital imaging system to cause deposition of the filter material at said selected deposition locations by:
causing respective relative displacements between the display substrates and the digital imaging system in a first pass in a first direction aligned with the second axis and a second pass in a second direction opposite to said first direction;
causing deposition of filter material on alternate ones of said at least two display substrates during said first pass and causing deposition of filter material on remaining ones of said at least two display substrates on said second pass; and
causing the digital imaging system to be repositioned relative to said display substrates by said residual portion of said offset while disposed between at least one of said alternate ones of said display substrates in said first pass or said remaining ones of said display substrates during said second pass.

US Pat. No. 10,690,954

LIQUID CRYSTAL DISPLAY DEVICE HAVING TRANSPARENT STACKED LAYER BETWEEN QUANTUM-DOT COLOR RESIST LAYER AND ENCAPSULATION LAYER

SHENZHEN CHINA STAR OPTOE...

1. A liquid crystal display device, comprising a liquid crystal panel and a backlight module disposed under the liquid crystal panel, wherein the liquid crystal panel comprises a first substrate, a second substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate, and the first substrate and the second substrate are correspondingly arranged and opposite to each other;wherein the first substrate comprises a first underlay-substrate, a quantum-dot color filter, and an encapsulation layer, and the quantum-dot color filter and the encapsulation layer are sequentially disposed on a surface of the first underlay-substrate that is near the liquid crystal layer from top to bottom;
wherein the quantum-dot color filter comprises a pixel separation layer and a plurality of color resist units which are arranged in an array, and the pixel separation layer separates the color resist units;
wherein the color resist units comprise a first color resist unit, a second color resist unit, and a third color resist unit;
wherein at least one of the first color resist unit, the second color resist unit, and the third color resist unit is a quantum-dot color resist unit, and a transparent stacked layer is further sandwiched between the quantum-dot color resist unit and the encapsulation layer in the quantum-dot color filter, wherein a lower surface of the quantum-dot color resist unit is spaced farther away from the encapsulation layer than a lower surface of the pixel separation layer;
wherein the pixel separation layer and the transparent stacked layer are disposed on a surface of the encapsulation layer that defines a common plane to both the pixel separation layer and the transparent stacked layer, wherein the transparent stacked layer has a lower surface located on and in direct contact with the surface of the encapsulation layer, and the lower surface of the transparent stacked layer and the lower surface of the pixel separation layer are both on the common plane; and
wherein a sum of a height of the quantum-dot color resist unit and a height of the transparent stacked layer is less than a height of the pixel separation layer, such that an upper surface of the pixel separation layer is spaced farther away from the surface of the encapsulation layer than an upper surface of the quantum-dot color resist unit, and wherein the pixel separation layer is made of a light-shading material that provides a light-shading surface around the quantum-dot color resist unit in such a way that the light-shading surface extends beyond the upper surface of the quantum-dot color resist unit in a direction away from the encapsulation layer, and the light-shading surface also extends beyond the lower surface of the quantum-dot color resist unit in a direction toward the encapsulation layer to circumferentially surround the transparent stacked layer that is stacked between the encapsulation layer and the quantum-dot color resist unit.

US Pat. No. 10,690,953

POLARIZING PLATE AND CIRCULARLY POLARIZING PLATE

SUMITOMO CHEMICAL COMPANY...

1. A polarizing plate comprising a substrate and a polarizer, wherein the polarizer has a polarizing layer having a thickness of 5 mm or less in which a dichroic dye is oriented, an absorbance in the absorption axis direction (A1) of the polarizer at a wavelength of 380 to 760 nm is 0.3 or more and 1 or less, and an absorbance in a transmission axis direction (A2) is 0.001 or more and 0.10 or less, and wherein the dichroic dye consists of two dichroic azo dyes having an absorption maximum at a wavelength in the range of 380 to 550 nm and one dichroic azo dye having an absorption maximum at a wavelength in the range 550 to 700 nm, and wherein the polarizing layer comprises a polymer of a polymerizable liquid crystal compound exhibiting a smectic liquid crystal phase.

US Pat. No. 10,690,952

LIQUID CRYSTAL DISPLAY ELEMENT

DIC CORPORATION, Tokyo (...

1. A liquid crystal display element comprising: two transparent substrates, at least one of the two transparent substrates being provided with an electrode; a liquid crystal composition sandwiched between the two transparent substrates and containing at least one liquid crystal compound; and a copolymer included in the liquid crystal composition, the copolymer being a cured product of a polymerizable composition that contains at least two polymerizable compounds, wherein the polymerizable compounds used comprise at least one polymerizable, photo-alignable compound (Vn), and wherein the content of the polymerizable composition is 1% by mass or more and less than 40% by mass based on the total weight of the polymerizable composition and the liquid crystal compositionwherein the at least one polymerizable, photo-alignable compound (Vn) used comprise at least one selected from polymerizable, photo-alignable compounds represented by the following general formula (Vn-1):

wherein X11 represents a hydrogen atom or a methyl group;
Sp11 represents a single bond, an alkylenegroup having 1 to 12 carbon atoms, or —O—(CH2)s1— wherein s1 represents an integer of 1 to 11, and the oxygen atom in —O—(CH2)s1— is bonded to an aromatic ring;
n represents an integer of 1 to 3;
Z11 represents —OCH2—, —CH2O—, —COO—, —OCO—, —CF2O—, —OCF2—, —CH2CH2—, —CF2CF2—, —CH?CH—COO—, —CH?CH—OCO—, —COO—CH?CH—, —OCO—CH?CH—, —COO—CH2CH2—, —OCO— CH2CH2—, —CH2CH2—COO—, —CH2CH2—OCO—, —COO—CH2—, —OCO—CH2—, —CH2—COO—, —CH2—OCO—, —C?C—, a single bond, —CY1?CY2— wherein Y1 and Y2 each independently represent a hydrogen atom or a fluorine atom, —CH?N—, —N?CH—, or —N?N—; when a plurality of Z11s are present, they may be the same or different, but at least one Z? is —CH?CH—, —CH?N—, —N?CH—, or —N?N—; and
R11 represents a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a pentafluorosulfuranyl group, a cyano group, a nitro group, an isocyano group, a thioisocyano group, a linear or branched alkyl group which has 1 to 12 carbon atoms and in which one —CH2— group or at least two nonadjacent —CH2— groups are each independently optionally substituted with —O—, —S—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, —CH?CH—COO—, —CH?CH—OCO—, —COO—CH?CH—, —OCO—CH?CH—, —CH?CH—, —CF?CF—, or —C?C—, or a group represented by formula (Vn-1-1):

wherein, in formula (Vn-1-1), X21 represents a hydrogen atom or a methyl group; Sp21 represents a single bond, an alkylene group having 1 to 12 carbon atoms, or —O—(CH2)s2— wherein s2 represents an integer of 1 to 11, and the oxygen atom in —O—(CH2)s2— is bonded to an aromatic ring,
wherein, in each 1,4-phenylene group present in formula (Vn-1), any hydrogen atom is optionally substituted with a fluorine atom, a fluorinated methyl group, a fluorinated methoxy group, an alkyl group having 1 or 2 carbon atoms, or the group represented by formula (Vn-1-1), and
wherein, when a plurality of X2's and Sp2's are present, they may be the same or different,
wherein the polymerizable compounds comprise at least one compound selected from compounds represented by the following general formula (P):

wherein Zp1 represents a fluorine atom, a cyano group, a hydrogen atom, an alkyl group which has 1 to 15 carbon atoms and in which any hydrogen atom is optionally substituted with a halogen atom, an alkoxy group which has 1 to 15 carbon atoms and in which any hydrogen atom is optionally substituted with a halogen atom, an alkenyl group which has 1 to 15 carbon atoms and in which any hydrogen atom is optionally substituted with a halogen atom, an alkenyloxy group which has 1 to 15 carbon atoms and in which any hydrogen atom is optionally substituted with a halogen atom, or -Spp2-Rp2;
Rp1 and Rp2 each independently represent any of the following formulas (R-I) to (R-IX):

wherein, in formulas (R-I) to (R-IX), R2 to R6 are each independently a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or a halogenated alkyl group having 1 to 5 carbon atoms; W is a single bond, —O—, or a methylene group; T is a single bond or —COO—; and p, t, and q are each independently 0, 1, or 2,
Spp1 and Spp2 each represent a spacer group, and Spp1 and Spp2 each independently represent a single bond, an alkylene group having 1 to 12 carbon atoms, or —O—(CH2)s— wherein s is an integer from 1 to 11, and the oxygen atom in —O—(CH2)s— is bonded to an aromatic ring,
wherein Lp1 and Lp2 each independently represent a single bond, —O—, —S—, —CH2—, —OCH2—, —CH2O—, —CO—, —C2H4—, —COO—, —OCO—, —OCOOCH2—, —CH2OCOO—, —OCH2CH2O—, —CO—NRa—, —NRa—CO—, —SCH2—, —CH2S—, —CH?CRa—COO—, —CH?CRa—OCO—, —COO—CRa?CH—, —OCO—CRa?CH—, —COO—CRa?CH—COO—, —COO—CRa?CH—OCO—, —OCO—CRa?CH—COO—, —OCO—CRa?CH—OCO—, —(CH2)z—C(?O)—O—, —(CH2)z—O—(C?O)—, —O—(C?O)—(CH2)z—, —(C?O)—O—(CH2)z—, —CH?CH—, —CF?CF—, —CF?CH—, —CH?CF—, —CF2—, —CF2O—, —OCF2—, —CF2CH2—, —CH2CF2—, —CF2CF2—, or —C?C— wherein each Ra independently represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and z represents an integer of 1 to 4,
wherein Mp2 represents a 1,4-phenylene group, a 1,4-cyclohexylene group, an anthracene-2,6-diyl group, a phenanthrene-2,7-diyl group, a pyridine-2,5-diyl group, a pyrimidine-2,5-diyl group, a naphthalene-2,6-diyl group, an indan-2,5-diyl group, a 1,2,3,4-tetrahydronaphthalene-2,6-diyl group, or a 1,3-dioxane-2,5-diyl group, and Mp2 may be unsubstituted or substituted with an alkyl group having 1 to 12 carbon atoms, a halogenated alkyl group having 1 to 12 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, a halogenated alkoxy group having 1 to 12 carbon atoms, a halogen atom, a cyano group, a nitro group, or —Rp1,
wherein Mp1 represents any of the following formulas (i-11) to (ix-11):

wherein * represents a bond to Spp1, and ** represents a bond to Lp1 or Lp2,
wherein Mp3 represents any of the following formulas (i-13) to (ix-13):

wherein * represents a bond to Zp1, and ** represents a bond to Lp2, and
wherein mp2 to mp4 each independently represent 0, 1, 2, or 3; mp1 and mp5 each independently represent 1, 2, or 3; when a plurality of Zp1s are present, they may be the same or different when a plurality of Rp1s are present, they may be the same or different when a plurality of Rp2s are present, they may be the same or different when a plurality of Spp1s are present, they may be the same or different when a plurality of Spp2s are present, they may be the same or different when a plurality of Lp1s are present, they may be the same or different and when a plurality of Mp2s are present, they may be the same or different.

US Pat. No. 10,690,951

DISPLAY PANEL, DISPLAY DEVICE AND DRIVING METHOD OF DISPLAY PANEL

CHENGDU TIANMA MICRO-ELEC...

1. A display panel, comprising:a plurality of touch electrodes;
a plurality of control units; and
a plurality of switching units,
wherein the plurality of switching units each and one of the plurality of control units are arranged to be associated with each other, and wherein the plurality of switching units each is associated with one of the plurality of touch electrodes;
wherein the plurality of control units each has a first triggering signal input terminal and a second triggering signal input terminal, and different gate driving signals are input to the first triggering signal input terminal and the second triggering signal input terminal respectively, wherein the plurality of control units each is configured to output a control signal to an associated one of the plurality of switching units according to the gate driving signals input to the first triggering signal input terminal and the second triggering signal input terminal; and
wherein the plurality of switching units each is configured to output a touch signal to an associated one of the plurality of touch electrodes according to the control signal;
wherein the plurality of touch electrodes are multiplexed as common electrodes, and the plurality of touch electrodes each comprises touch electrode blocks; and wherein the plurality of switching units each is further configured to output a common voltage signal to an associated one of the touch electrode blocks;
wherein the plurality of control units each is configured to trigger and control said switching units, when the gate driving signal is input to the first triggering signal input terminal, to stop outputting the common voltage signal to the associated one of the touch electrode blocks, and switch to output the touch signal, and when the gate driving signal is input to the second triggering signal input terminal, to stop outputting the touch signal to the associated one of the touch electrode blocks, and to switch to output the common voltage signal;
wherein the display panel further comprises:
a display region and a non-display region, wherein the plurality of control units and the switching units are located in the non-display region;
a plurality of pixel units and a plurality of gate lines, wherein the plurality of gate lines extends along a first direction, and is arranged along a second direction intersecting with the first direction; wherein along the second direction, each of the plurality of gate lines is located in a region between two adjacent rows of pixel units;
wherein the first triggering signal input terminal of each of the plurality of control units is electrically connected with a different one of the plurality of gate lines respectively, and wherein the first triggering signal input terminal and the second triggering signal input terminal of any of the plurality of control units are electrically connected with different gate lines respectively; and
wherein the plurality of gate lines electrically connected with the plurality of control units which control the switching units associated with a row of touch electrode blocks, is not covered by said row of the touch electrode blocks.

US Pat. No. 10,690,950

TOUCH DISPLAY PANEL

HON HAI PRECISION INDUSTR...

1. A touch display device comprising:a touch display module comprising:
a TFT substrate;
a color filtering substrate; and
a liquid crystal layer between the TFT substrate and the color filtering substrate;
wherein a first electrode layer is formed on a surface of the color filtering substrate facing the TFT substrate; a second electrode layer is formed on a surface of the TFT substrate facing the color filtering substrate;
wherein the touch display device further comprises at least one supporting element elastically resisting against the touch display module from a side of the TFT substrate opposite to the color filtering substrate; the at least one supporting element is elastic;
wherein:
the first electrode layer comprises a plurality of conducting lines intersecting with each other to form a mesh;
a plurality of through holes is defined in the first electrode layer;
the first electrode layer comprises a plurality of nodes; and
each of the plurality of nodes is formed where two conducting lines intersect with each other;
wherein the second electrode layer comprises a plurality of touch sensing electrodes spaced apart from each other; the plurality of touch sensing electrodes forms a self capacitor structure configured for sensing touch position;
wherein the second electrode layer further comprises a plurality of force sensing electrodes; some of the plurality of touch sensing electrodes each defines an opening; each of the plurality of force sensing electrodes is located in one opening, spaced apart from and surrounded by one of the plurality of touch sensing electrodes;
wherein each of the plurality of force sensing electrodes overlaps with one of the plurality of nodes; the plurality of force sensing electrodes and the first electrode layer form a mutual capacitor structure configured for detecting a touch force applied on the touch display device.

US Pat. No. 10,690,949

DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A display device comprising:a display panel displaying an image thereon and including a plate surface and a panel alignment mark on the plate surface of the display panel;
a polarizing plate overlapping the plate surface of the display panel and including a polarizing plate alignment mark; and
a component overlapping the plate surface of the display panel and the polarizing plate and including a component alignment mark, wherein
the display panel, the polarizing plate, and the component have a non-quadrangular outline shape,
a mounting position of the polarizing plate with respect to the display panel is determined according to a position relation of the polarizing plate alignment mark and the panel alignment mark,
a mounting position of the component with respect to the display panel is determined according to a position relation of the component alignment mark and the panel alignment mark, and
an outline of the panel alignment mark, an outline of the polarizing plate alignment mark, and an outline of the component alignment mark are aligned with each other in a plan view.

US Pat. No. 10,690,948

DEVICE FOR THE REGULATION OF LIGHT TRANSMISSION

Merck Patent GmbH, Darms...

1. A switchable device for the regulation of light transmission, comprisinga stack of layers which comprises a first substrate layer, a second substrate layer, a switching layer which is positioned between the first and the second substrate layers, a first conductive layer which is positioned between the switching layer and the first substrate layer, and a second conductive layer which is positioned between the switching layer and the second substrate layer, and
which device comprises an interconnected assembly, comprising a touch sensitive layer, an assembly comprising one or more logic units, which translates the output signals of the touch sensitive layer into output signals, one or more voltage sources whose output voltage can be varied depending on an input signal, and a plurality of switches which are capable of switching each one of the plurality of conductive segments on and off, depending on an input signal,
wherein each of the switches of the plurality of switches is connected to a separate power source with independently adjustable voltage
where the switching layer comprises a material which changes its light transmissivity upon the application of voltage,
wherein the switching layer is a liquid crystal switching layer,
wherein the liquid crystal switching layer comprises one or more dichroic dyes dissolved in the liquid crystalline material,
where at least one of the first and the second conductive layers comprises a plurality of isolating sections and a plurality of conductive sections, where the isolating sections and the conductive sections alternate over the area of the conductive layer, and where the switching state of the switchable device is controlled by a touch motion,
where a part of one of the first and the second conductive layers does not overlap in the stack with the other of the first and the second conductive layers, which part is electrically connected to voltage, and
wherein the stack of layers comprises a UV blocking layer which blocks transmission of light with wavelengths in the range of 350 nm to 390 nm.

US Pat. No. 10,690,947

PHOTONIC DEVICES AND METHODS OF FABRICATION THEREOF

STMICROELECTRONICS (CROLL...

1. A photonic device comprising:a first region having a first doping type, the first region being divided into an upper portion made of silicon-germanium and a lower portion made of silicon; and
a second region having a second doping type, the first region and the second region contacting to form a vertical PN junction, wherein the vertical PN junction comprises a first vertical PN junction between the upper portion and a first portion of the second region and a second vertical PN junction between the lower portion and a second portion of the second region, wherein the first vertical PN junction physically contacts the second vertical PN junction and are both disposed on a same vertical plane.

US Pat. No. 10,690,946

FLEXIBLE PHOTONIC CRYSTALS WITH COLOR-CHANGING STRAIN RESPONSE

APPLE INC., Cupertino, C...

1. A structure that undergoes a change in color when subjected to stress, the structure comprising:a region having features comprising intersecting channels that are spaced apart and define voids capable of interfering with visible light incident thereupon, wherein:
when the region is in an unstressed state, the features are spaced apart by a first distance corresponding to reflecting a first range of wavelengths of the incident visible light, wherein the first range of wavelengths is associated with a first color, and
otherwise, when the stress is applied to the region, at least some of the features are spaced apart by a second distance, the second distance associated with at least a portion of the region reflecting a second range of wavelengths of the incident visible light, the second range of wavelengths associated with a second color different from the first color.

US Pat. No. 10,690,945

METHOD FOR OPTIMIZING AN OPTICAL LENS EQUIPMENT FOR A WEARER

Essilor International, C...

1. A method for optimizing optical lens equipment for a wearer, the method comprising:an eye tracking device providing step, during which a spectacle frame mounted eye tracking device is provided to the wearer, the eye tracking device including at least one pair of electrodes configured to measure the electrical potential on the skin near the eye of the wearer, and associated processing circuitry configured to detect blinks, saccades and/or eye movements;
a wearer parameter monitoring step, during which at least one parameter relating to eyes of the wearer is monitored using the eye tracking device, the at least one wearer parameter monitored during the monitoring step being selected from a list consisting of blinking frequency and speed of the eye movement; and
an optimization step, during which the optical lens equipment is optimized based at least partly on a basis of monitoring of the at least one parameter during the wearer parameter monitoring step, wherein
when the at least one wearer parameter monitored during the monitoring step comprises speed of the eye movement, then the at least one wearer parameter is used to determine a visual behavior of the wearer and a visual strength or fatigue of the wearer, and wherein during the optimization step, the optical lens equipment is optimized based on the visual behavior of the wearer and the visual strength or fatigue of the wearer, and
wherein the optical lens equipment is spectacles having prescription ophthalmic lenses.

US Pat. No. 10,690,944

SPECTACLE LENS THAT REFLECTS BLUE LIGHT, AND SPECTACLES EQUIPPED WITH THE SPECTACLE LENS

HOYA LENS THAILAND LTD., ...

1. A spectacle lens comprising:a lens base material; and
a multilayer film provided on each surface of an eyeball-side surface and an object-side surface of the lens base material,
wherein:
a mean reflectance RB(object) in a wavelength range of 430 to 450 nm measured on the object-side surface of the spectacle lens is equal to or more than 2.00% and less than or equal to 10.00%,
a mean reflectance RB(eye) in the wavelength range of 430 to 450 nm measured on the eyeball-side surface of the spectacle lens is greater than the mean reflectance RB(object), and
a mean reflectance RUV(eye) over the entire wavelength range of 280 to 380 nm measured on the eyeball-side surface of the spectacle lens is greater than or equal to 6.11% and less than or equal to 15.00%.

US Pat. No. 10,690,943

LAMINATE AND OPTICAL ARTICLE COMPRISING THE SAME

TOKUYAMA CORPORATION, Sh...

1. A laminate comprising a pair of polycarbonate optical sheets or films which are laminated together through a polarizing film layer and an adhesive layer of a photochromic composition comprising (I) a polyurethane urea resin and (II) a photochromic compound,wherein the photochromic composition further comprises (III) a polyisocyanate compound having at least two isocyanate groups in the molecule, and the polyisocyanate compound having at least two isocyanate groups in the molecule (III) comprises (IIIA) a compound having an isocyanate group bonded to a secondary carbon and (IIIB) at least one compound selected from the group consisting of hexamethylene diisocyanate, burette compound of hexamethylene diisocyanate, isocyanurate compound of hexamethylene diisocyanate and adduct compound of hexamethylene diisocyanate.

US Pat. No. 10,690,942

SUNGLASSES WITH A SUN PROTECTION FILTER

Optrel Holding AG, Appen...

1. Sunglasses with at least one optical sun protection filter comprising at least one liquid-crystal cell and with at least one sensor unit, which is configured for capturing solar radiation, whereinat least one sensor cover, which covers a sensor surface of the at least one sensor unit and which is opaque with respect to radiation of at least 70% of a spectral range of the visible light spectrum, so that a total of at least 70% of respective radiation is blocked either by absorption, by reflection or by a combination of both, and
the sensor cover and a spectacle frame are one-component injection-molded, so that the at least one sensor cover is embodied at least with a base frame of the spectacle frame as one part, wherein the sensor cover and the base frame are made of the same material.

US Pat. No. 10,690,941

LENS ARRANGEMENT, IN PARTICULAR A SPECTACLE GLASS ARRANGEMENT AND METHOD FOR PRODUCING A LENS ARRANGEMENT

tooz technologies GmbH, ...

1. A lens arrangement, comprising:a base lens element, the base lens element defining a first surface,
wherein the first surface includes a first optically effective region,
wherein the first surface includes an elongate recess, and
wherein the elongate recess at least partly encompasses the first optically effective region.

US Pat. No. 10,690,940

METHODS AND APPARATUS FOR ELECTROACTIVE VARIABLE APERTURE LENSES

1. A lens device comprising:an electroactive light blocking element, wherein the electroactive light blocking element is configured to allow for the adjustment of the transmittance with the application of an electrical signal;
a lens body comprising the electroactive light blocking element;
an energization element;
a sensor configured to sense a location of the lens device on a surface of an eye; and
a controller, wherein the controller controls the electroactive light blocking element to: form at least one aperture positioned in an optic zone of the lens device; calculate a centration of the lens on the eye; and move the at least one aperture in space to maintain a static centered location; and
a plurality of light sources located at multiple locations of the lens device at the border between the iris and the sclera of the eye, wherein the sensor is capable of sensing different levels of light emitted by the light sources and reflected by the eye.

US Pat. No. 10,690,939

SPECTACLES COMPRISING A PAIR OF PROGRESSIVE LENSES

Essilor International, C...

1. Spectacles comprising:a pair of progressive lenses to be worn by a wearer, each lens separately having a far vision point, a near vision point, and a meridian line defined by a set of gaze directions, each gaze direction of the meridian line having an inset value defined as an azimuth deviation with respect to a gaze direction passing through the far vision point, the pair comprising:
a first lens with some of the gaze directions defining the meridian line of the first lens which have substantially non-zero inset values, and
a second lens,
wherein all the gaze directions located on the meridian line of the second lens between the far vision point and the near vision point have inset values substantially equal to zero.

US Pat. No. 10,690,938

OPHTHALMIC PROGRESSIVE ADDITION LENS FOR A MYOPIC OR EMMETROPIC PRESBYOPIC WEARER; METHOD FOR PROVIDING SUCH A LENS

Essilor International, C...

1. An ophthalmic progressive addition lens for a myopic and presbyopic wearer, which has a prescribed far vision mean refractive power equal or less to minus 1 Diopter, or for an emmetropic and presbyopic wearer, which has a prescribed far vision mean refractive power greater than minus 1 Diopter and less than plus 1 Diopter, and a non nil prescribed addition, ADDp, said lens having a far vision reference point, a mean refractive power, PPO(?, ?), a module of resulting astigmatism, ASR(?, ?), a meridian line, ML(?, ?), said (?, ?) functions being determined in as-worn conditions of the lens by the wearer for gaze directions (?, ?) joining the center of rotation of the eye, CRE, and the lens, where ? is a lowering angle in degree and ? is an azimuth angle in degree, and wherein a lens criterion, A1/A2, fulfils following requirement:A1/A2?0.54, where:
A1=?100%??85%;
A2=?100%??60%;
?100% being the lowering angle corresponding to the minimum positive ? angle between:
the lowering angle where 100% of the prescribed addition is perceived by the wearer on the meridian line,
the lowering angle where the mean refractive power on the meridian line is maximum, PPOmax(?ML, ?ML);
?85% being the lowering angle where 85% of the prescribed addition is perceived by the wearer on the meridian line;
?60% being the lowering angle where 60% of the prescribed addition is perceived by the wearer on the meridian line;
(?FV, ?FV) is the far-vision gaze direction, FVGD, defined as the vision gaze direction corresponding to the far vision reference point.

US Pat. No. 10,690,937

MODULAR SPECTACLES WITH MULTI-PIECE HINGE

Banjohtos, LLC, Winter P...

1. Modular spectacles that are assembled and disassembled without the use of tools, comprising:a) a pair of lenses;
b) a frame element including a pair of rims defining orifices for accepting the pair of lenses and holding said pair of lenses securely, and a slot located on each side of the frame element;
c) a pair of three-part hinge sets, each three-part hinge set comprising:
i) a first hinge part including an orifice on one end and a compressible end on the other end,
ii) a second hinge part including a cutout on one end and a compressible end on the other end, and
iii) a third hinge part including an orifice on one end and a compressible end on the other end,
iv) wherein the orifice of the first hinge part, the cutout of the second hinge part and the orifice of the third hinge part are aligned when the first, second and third hinge parts are placed on top of each other, wherein the three-part hinge set fits securely within a slot in the frame element; and
d) a pair of temples, each temple including an elongated portion and a fastener on one end, wherein when a three-part hinge set is assembled, the fastener is inserted securely into the three-part hinge set such that the temple is hingably coupled to the three-part hinge set;
e) wherein a first set of the pair of three-part hinge sets is inserted securely into a first slot on a first side of the frame element, a first temple of the pair of temples is inserted securely into the first set of the pair of three-part hinge sets, a second set of the pair of three-part hinge sets is inserted securely into a second slot on a second side of the frame element, and a second temple of the pair of temples is inserted securely into the second set of the pair of three-part hinge sets.

US Pat. No. 10,690,936

ADJUSTABLE NOSE BRIDGE ASSEMBLY FOR HEADWORN COMPUTER

Mentor Acquisition One, L...

1. A wearable head device, comprising:a display; and
a nose bridge assembly coupled to the display, the nose bridge assembly comprising a selection device and a nose pad clip assembly,
wherein:
the nose bridge assembly is configured to operate in one of a plurality of states comprising a first state and a second state and is further configured to transition from the first state to the second state,
the nose bridge assembly in the first state is configured to provide a first amount of support for the display,
the nose bridge assembly in the second state is configured to provide a second amount of support for the display, the second amount of support different than the first amount of support,
the selection device is configured to receive input from a user, and in response to the selection device receiving the input while the nose bridge assembly operates in the first state, the nose bridge assembly transitions to the second state, and
wherein:
the nose pad clip assembly is configured to be removably mated with the nose bridge assembly without affecting the connection between the nose bridge assembly and the display.

US Pat. No. 10,690,935

LENS DRIVING MODULE HAVING HALL SENSOR AND MAGNET IN ALIGNMENT ALONG A DIRECTION PARALLEL TO OPTICAL AXIS

LARGAN PRECISION CO., LTD...

1. A lens driving module, comprising:a holder, comprising an opening hole;
a cover coupled to the holder;
a carrier movably disposed in the cover, and for coupling to a lens, wherein a moving direction of the carrier comprises a first direction which is parallel to an optical axis of the lens;
at least one first magnet movably disposed in the cover, wherein a moving direction of the first magnet comprises a second direction which is orthogonal to the optical axis of the lens;
a first coil wound around an outer side of the carrier, and adjacent to the first magnet;
at least one second magnet disposed on one end of the carrier which is toward the holder, wherein the second magnet is displaceable along the first direction;
at least one first sensor which is a Hall sensor, and for determining a relative displacement that has occurred in the first direction between the first sensor and the second magnet via a magnetic field, wherein the magnetic field is varied according to the relative displacement, and the first sensor and the second magnet are in alignment along the first direction;
at least one second sensor for detecting a magnetic field of the first magnet, wherein the magnetic field of the first magnet is varied according to a relative displacement between the second sensor and the first magnet which is detected;
an imaging element for receiving an imaging light of the lens; and
a circuit board, wherein the circuit board and the carrier are arranged along the first direction, and the imaging element is disposed on the circuit board.

US Pat. No. 10,690,934

COMPACT LENS MODULE

TDK TAIWAN CORP., Taoyua...

1. A lens module comprising a housing, a lens holder movably accommodated in the housing and an optical image stabilization (OIS) device for driving the lens holder, characterized in that the OIS device comprises:a substrate fixed relatively to and received in the housing and defining an opening and a plurality of accommodation spaces disposed around the opening;
a plurality of driving coils respectively accommodated in the plurality of accommodation spaces correspondingly;
a plurality of magnets disposed at a bottom surface of the lens holder, wherein the bottom surface of the lens holder is facing the substrate such that positions of the plurality of magnets correspond to positions of the plurality of driving coils, respectively; and
a driving circuit coupled to the plurality of driving coils, the driving circuit providing to the plurality of driving coils a current signal associated with the movement of the lens holder to generate the driving force,
wherein the driving circuit is laid out on a circuit board superposed at one side of the substrate, said circuit board having a plurality of cutouts arranged at positions corresponding to the positions of the plurality of driving coils such that the plurality of coils are exposed by the circuit board superposed on the substrate, and
wherein the plurality of accommodation spaces are a plurality of accommodation slots concave inwardly from a surface of the substrate.

US Pat. No. 10,690,933

SPECKLE REDUCTION INSTRUMENT

The Government of the Uni...

1. A speckle reduction device, comprising:a coherent laser input beam;
a parabolic reflector with a central hole;
a flat mirror with a central hole and an output hole;
a cavity between the parabolic reflector and the flat mirror;
a moving, reflective diffuser; and
a partially coherent laser exit beam;
wherein the coherent laser input beam passes through the central hole of the parabolic reflector and the central hole of the flat mirror and is focused onto the moving, reflective diffuser, wherein, reflected diffused laser light bounces around the cavity back and forth between the parabolic reflector and the flat mirror contacting the moving, reflective diffuser multiple times, and wherein the partially coherent laser exit beam passes through the output hole of the flat mirror.

US Pat. No. 10,690,932

LIGHTING DEVICE

Dai Nippon Printing Co., ...

1. A lighting device that illuminates a region to be illuminated extending in a first direction and extending in a second direction intersecting with the first direction, the lighting device comprising:a light source; and
a diffractive optical element having a first hologram component and a second hologram component both of which diffract light from the light source and direct the light to the region to be illuminated,
wherein an illumination range of diffracted light from the first hologram component is aligned with an illumination range of diffracted light from the second hologram component in at least one of the first direction and the second direction of the region to be illuminated,
wherein the second hologram component includes a plurality of element holograms, and
wherein diffracted light from at least two or more element holograms among the plurality of element holograms illuminates the entire region of the region to be illuminated.

US Pat. No. 10,690,931

LIGHT SOURCE DEVICE AND PROJECTION DISPLAY APPARATUS

Panasonic Intellectual Pr...

1. A light source device comprising:a first light source unit that emits first linear polarization light in a first direction;
a second light source unit that is disposed facing the first light source unit, and emits the first linear polarization light in a second direction opposite to the first direction;
a first polarization beam splitter that is disposed between the first light source unit and the second light source unit, reflects the first linear polarization light, and transmits second linear polarization light of which polarization direction is perpendicular to the first linear polarization light; and
a polarization conversion element configured with a transparent substrate having one surface with a ¼ wavelength coat and another surface with a reflective coat,
wherein the first linear polarization light emitted from the first light source unit is reflected by the first polarization beam splitter in a third direction perpendicular to the first and second directions, and
the first linear polarization light emitted from the second light source unit is reflected by the first polarization beam splitter in a fourth direction opposite to the third direction, is converted into the second linear polarization light by the polarization conversion element, and is reflected in the third direction.

US Pat. No. 10,690,930

OPTICAL STRUCTURE COMPRISING A STRUCTURE OF STACKED OPTICAL ELEMENTS THAT RECEIVES CIRCULARLY POLARIZED LIGHT HAVING A FIRST HANDEDNESS AND OUTPUTS CIRCULARLY POLARIZED LIGHT HAVING A SECOND HANDEDNESS TO A FOCAL POINT

Facebook Technologies, LL...

1. An optical structure comprising:a plurality of optical elements stacked into a structure of the stacked optical elements, the structure of the stacked optical elements configured to:
receive circularly polarized light of a specific color channel in a set of color channels having a first handedness, and
output circularly polarized light of a second handedness opposite of the first handedness, the output light being focused to a focal point by one or more of the optical elements that generate the circularly polarized light of the second handedness, wherein the focal point depends on the first handedness and is common for the set of color channels.

US Pat. No. 10,690,929

BEAMSPLITTER ASSEMBLY FOR EYE TRACKING IN HEAD-MOUNTED DISPLAYS

Facebook Technologies, LL...

1. An apparatus comprising:an optics assembly positioned along an optical axis;
an electronic display positioned along the optical axis;
a curved beamsplitter positioned along the optical axis between the optics assembly and the electronic display and configured to transmit light in a first band and redirect light in a second band passing through the beamsplitter along the optical axis toward a first position; the curved beamsplitter including:
a first region;
a second region with an optical surface profile such that light in the second band passing through the second region along the optical axis is redirected towards the first position; and
a first portion joining the first region and the second region with a curvature such that an angle between the first region and the optical axis is larger than an angle between second region and the optical axis, the angle of the first portion configured to reduce a space between the optics assembly and the electronic display by deforming the first region relative to the second region; and
a detector located in the first position, the detector configured to capture light in the second band reflected from the beamsplitter.

US Pat. No. 10,690,928

METHODS OF AND SYSTEMS FOR HEAT DEPOSITION IN ADDITIVE MANUFACTURING

NLIGHT, INC., Vancouver,...

1. An apparatus for heat deposition in additive manufacturing, the apparatus comprising:a first optical beam source configured to generate a first optical beam;
a second optical beam source configured to generate a second optical beam; and
an optical system, including an optical fiber having a first length and a second length, the second length having two or more confinement regions;
wherein the optical system is configured to move the generated first optical beam over a target area, and
wherein the optical system is further configured to move the generated second optical beam over the target area so that a path of the second optical beam moving over the target area is dithered about a path of the first optical beam moving over the target area; and
wherein the optical system further includes a perturbation device configured to modify one or more beam characteristics of the first optical beam in the first length, in the second length, or in the first and second lengths, wherein the second length is configured to confine the modified one or more beam characteristics of the first optical beam within the two or more confinement regions of the second length.

US Pat. No. 10,690,927

HEAD-MOUNTED DISPLAY

LG INNOTEK CO., LTD., Se...

1. A head-mounted display comprising;a body including: a light source; a lens unit disposed on an optical axis of the light source; an image display unit disposed so as to be spaced apart from the lens unit; and a correction lens disposed so as to be spaced apart from the image display unit and having a protrusion, the body being provided with a first hole, through which the protrusion passes so as to define a path along which the correction lens is moved;
a correction lens position adjustment unit having at least one second hole, into which the protrusion that has passed through the first hole is coupled, the correction lens position adjustment unit being configured to surround the body and to move in the direction parallel to the optical axis; and
an image-viewing unit disposed so as to be connected to the body,
wherein the correction lens position adjustment unit includes an upper frame and a lower frame.

US Pat. No. 10,690,926

NEAR-EYE AUGMENTED REALITY DEVICE

National Chiao Tung Unive...

1. A near-eye augmented reality device comprising:an imaging unit including a plurality of imaging portions having birefringence and positive optical power;
a lighting unit spaced apart from said imaging unit and including a light-transmissible base plate and a plurality of pixel modules, said base plate having a first surface proximal to said imaging unit and a second surface opposite to said first surface, each of said pixel modules being disposed spaced-apart from and corresponding to a respective one of said imaging portions and being operative to produce an imaging light directed toward said imaging unit; and
a polarization-control unit including a plurality of first polarizers and a second polarizer, said first polarizers being respectively disposed on said pixel modules, said second polarizer being disposed on said second surface of said light-transmissible base plate;
wherein when the imaging light passes through said first polarizers, said imaging light is converted to a first polarized light polarized in a first direction and is refracted by said imaging unit, and when an ambient light passes through said second polarizer, the ambient light is converted to a second polarized light polarized in a second direction which is transverse to said first direction and is not refracted by said imaging unit.

US Pat. No. 10,690,925

DUAL HARMONIZATION METHOD AND SYSTEM FOR A WORN HEAD-UP DISPLAY SYSTEM WITH A REMOVABLE ATTITUDE INERTIAL DEVICE IN THE COCKPIT

THALES, Courbevoie (FR)

1. A dual harmonization method for a worn head-up display system configured to display piloting information of an aircraft on a display to conform with an outside real world,the worn head-up display system comprising:
a semi-transparent worn head-up display,
a head posture detection subsystem having a mobile tracking first element securely attached to the semi-transparent worn head-up display, a fixed second element securely linked to a platform of the aircraft, and a measurement device configured for measuring and determining a relative orientation M12 of the mobile tracking first element relative to a reference frame of the fixed second element linked to the platform,
an attitude inertial device for supplying a relative attitude M3t of the platform relative to a terrestrial reference frame linked to the Earth, that is removable and that can be securely fixed to the platform on a windshield of a cockpit for any period of operation of the aircraft, and
a harmonization sub-system for the worn head-up display system configured to display piloting information on the worn head-up display to conform with the outside real world, the harmonization sub-system having a dual harmonization computer and a human-system interface for managing and performing an implementation of the dual harmonization method,
the dual harmonization method comprising:
a first step of provision of an augmented inertial equipment item securely incorporating, in one and a same assembly, the attitude inertial device of the aircraft, and a camera for taking one or more photos of the outside real world, the camera and the attitude inertial device of the aircraft being securely linked;
a second step of acquisition of measurements K?, in which a series of an integer number N, greater than or equal to 3, of different sightings Vi are performed, i varying from 1 to N, performed through the semi-transparent worn head-up display, by aligning with the outside real world different images of rank i, denoted by image(i), fixed on said semi-transparent worn head-up display, and each representing one and the same photo, taken before a first sighting V1 by the camera of the augmented inertial equipment item, seen with a predetermined different angular orientation Oi, expressed in terms of three Euler angles of bearing, pitch and roll, corresponding to a matrix M(image(i)/0) from a reference frame “image(i)” of the image of rank i to a reference frame “0” of the semi-transparent worn head-up display, and in which, for each sighting Vi performed, i varying from 1 to N, a posture detection subsystem measures and determines the corresponding relative orientation K? of the mobile tracking first element relative to the fixed second element, linked to the platform of the aircraft; then
a third step in which the dual harmonization computer jointly computes the matrix of relative orientation M01 between the semi-transparent worn head-up display in a tilted position and the mobile tracking first element and a matrix of relative orientation M23 between the fixed second element of the posture detection subsystem and the attitude inertial device, as respectively, a right matrix D and a left matrix ?, joint solutions of system of harmonization equations: Ûi=?·Ki·D, i varying from 1 to N, in which Û? is a transpose of the matrix M(image(i)/0).

US Pat. No. 10,690,924

DISPLAY SYSTEM AND IMAGE DISPLAY METHOD

BOE TECHNOLOGY GROUP CO.,...

1. A display system comprising: an image display device, an image acquisition device and a calibration device,wherein at least part of the image display device is configured to be at least partially transparent, so as to at least partially receive a surrounding image for an opposite side of the image display device at a display side of the image display device;
the image display device is further configured to display a first image received by the image display device at the display side;
the image acquisition device is provided at the display side of the image display device, and is configured to be capable of simultaneously acquiring the surrounding image and the first image;
the calibration device is configured to obtain matching information based on the surrounding image and the first image acquired by the image acquisition device;
the display system further comprises an optical waveguide element; and
the optical waveguide element is configured to receive light of the first image, transmit the light of the first image to the image display device, so as to allow the image display device to display the first image at the display side; and
the calibration device is configured to obtain information regarding scene object in the surrounding image and information regarding image object in the first image, and obtain the matching information based on the information regarding the scene object and the information regarding the image object.

US Pat. No. 10,690,923

SCANNING SYSTEM FOR A TILING DISPLAY

Facebook Technologies, LL...

1. A head mounted display (HMD) system comprising:a light source including a plurality of source elements that are configured to emit image light;
a scanning mirror assembly configured to scan the image light at least along one dimension to form a plurality of tiled portions of scanned image light representing an output image, the scanning mirror assembly comprising one or more scanning mirrors operating within a first range of scanning frequencies along a slow axis and a second range of scanning frequencies along a fast axis, the scanning mirror assembly directing at least one of the plurality of tiled portions of the scanned image light to a first position, the scanning mirror assembly redirecting at least one of the plurality of tiled portions of the scanned image light to a second position next to the first position; and
an output screen configured to output a tiled image light to an eyebox region using the scanned image light.

US Pat. No. 10,690,922

SUPER-RESOLUTION SCANNING DISPLAY FOR NEAR-EYE DISPLAYS

Facebook Technologies, LL...

1. A scanning display comprising:a light source configured to emit source light from a plurality of columns of emitters that are formed along a first dimension, the plurality of columns of emitters including a first column of emitters that emit in a first band of light, and a second column of emitters that emit in a second band of light, and the first column of emitters is offset in the first dimension from the second column of emitters by a fraction of an emitter width, and offset in a second dimension that is orthogonal to the first dimension by a distance that is greater than the emitter width;
a conditioning assembly configured to condition the source light; and
a scanning mirror assembly configured to scan the conditioned source light along the second dimension to generate a portion of an image at a first location, wherein the portion of the image has a resolution that is more than a threshold number of emitters in a unit angle in at least the first dimension.

US Pat. No. 10,690,921

APPARATUSES, SYSTEMS, AND METHODS FOR COORDINATED LENS ADJUSTMENTS

Facebook Technologies, LL...

1. An apparatus comprising:a proximal adjustable-focus lens;
a distal adjustable-focus lens; and
an actuator coupled to a carriage element, wherein the carriage element is coupled to both the proximal adjustable-focus lens and the distal adjustable-focus lens, such that mechanical action by the actuator drives the carriage element and simultaneously adjusts the proximal adjustable-focus lens and the distal adjustable-focus lens.

US Pat. No. 10,690,920

DISPLAYS WITH TRANSPARENT BEZELS

X Display Company Technol...

1. A transparent display, comprising:a display substrate having a display area within which information can be displayed and a bezel area adjacent to each of at least one corresponding side of the display area, wherein the display substrate is at least partially transparent;
light-controlling elements disposed in, on, or over the display substrate in the display area;
display wires disposed in, on, or over the display substrate in the display area, the display wires electrically connected to the light-controlling elements; and
bezel wires disposed in, on, or over the display substrate in the bezel area, the bezel wires electrically connected to respective ones of the display wires,
wherein bezel wires disposed farther from the display area are (i) spaced farther apart than bezel wires disposed closer to the display area, (ii) narrower than bezel wires disposed closer to the display area, or (iii) both (i) and (ii), such that the transparent display has a bezel transparency that varies over the bezel area.

US Pat. No. 10,690,919

SUPERLUMINOUS LED ARRAY FOR WAVEGUIDE DISPLAY

Facebook Technologies, LL...

1. A waveguide display, comprising:a light source including an array of superluminous LEDs (SLEDs) that are configured to emit image light, and each SLED has a first end and second end that is opposite the first end, the second end configured to emit a respective portion of the image light, and respective distances between adjacent first ends are smaller than respective distances between adjacent second ends such that the array of SLEDs has a fanned out structure;
a scanning mirror assembly configured to scan the image light to particular locations as scanned image light in accordance with scanning instructions;
an output waveguide including an input area and an output area, the output waveguide coupled to receive the scanned image light emitted from the scanning mirror assembly at the input area, and output expanded image light from a portion of the output area, and a location of the portion of the output area is based in part on a direction of the scanned image light output from the scanning mirror assembly; and
a controller configured to generate the scanning instructions and provide the scanning instructions to the scanning mirror assembly.

US Pat. No. 10,690,918

OPTICAL HEAD-MOUNTED DISPLAYS FOR LASER SAFETY EYEWEAR

UNITED STATES OF AMERICA ...

1. An apparatus comprising:a display;
a sensor configured and arranged to detect scattered or reflected light from a laser beam;
at least one processor; and
at least one memory storing computer-readable instructions that, when executed by the at least one processor, cause the processor to at least perform:
receive, from the sensor, data associated with the laser light;
process the data associated with the laser; and
transmit an electronic signal configured to cause the display to provide visual representation of the laser light beam that includes a simulated projection the laser light beam in an augmented reality field of view of an operator, wherein the simulated projection of the laser light beam in the augmented reality field of view mimics an actual projection of the laser light beam the operator would view in a real life field of view without the display.

US Pat. No. 10,690,917

FEMTOPROJECTOR OPTICAL SYSTEMS, USED IN EYE-MOUNTED DISPLAY

Tectus Corporation, Sara...

1. An eye-mounted display comprising:a contact lens mountable on a user's eye; and
one or more femtoprojectors in the contact lens, at least one of the femtoprojectors comprising:
an image source that produces an image; and
a femtoprojector optical system comprising:
a convex first mirror facing the image source, where image-forming rays from the image source are incident on and reflected by the first mirror and stray rays from the image source are not incident on the first mirror;
a concave second mirror having a center opening to accommodate the image source, the second mirror having a lateral dimension that is larger than the first mirror and also larger than the image source, the second mirror facing the first mirror and further reflecting the image-forming rays from the first mirror, the first mirror and the second mirror cooperating to project the image from the image source; wherein the image source, the first mirror and the second mirror are axially aligned along a common axis, and a distance along the common axis from the image source to the second mirror is less than a distance from the second mirror to the first mirror; and
a light baffle system that includes an obscuration adjacent to and surrounding the first mirror, the obscuration blocking stray rays from the image source that are not reflected by the first mirror.

US Pat. No. 10,690,916

APPARATUS FOR PROVIDING WAVEGUIDE DISPLAYS WITH TWO-DIMENSIONAL PUPIL EXPANSION

DigiLens Inc., Sunnyvale...

1. An optical display, comprising:a first waveguide having a first surface and a second surface;
an input coupler;
a fold grating;
an output grating; and
an input image node (IIN),
wherein said input coupler is configured to receive collimated first wavelength image modulated light and to cause said first wavelength image modulated light to travel within the first waveguide via total internal reflection between said first surface and said second surface to the fold grating,
wherein said fold grating is configured to provide pupil expansion in a first direction and to direct said first wavelength image modulated light to the output grating via total internal reflection between the first surface and the second surface,
wherein said output grating is configured to provide pupil expansion in a second direction different than said first direction and to cause said first wavelength image modulated light to exit said first waveguide from said first surface or said second surface,
wherein at least one of said input coupler, said fold grating or said output grating is a rolled k-vector grating, and
wherein said first wavelength image modulated light undergoes a dual interaction with said fold grating.

US Pat. No. 10,690,915

HOLOGRAPHIC WIDE ANGLE DISPLAY

Rockwell Collins, Inc., ...

1. An apparatus for displaying an image, comprising:an input image node configured to provide modulated light;
a plurality of waveguides arranged to propagate the modulated light along the plurality of waveguides in a propagation direction, the plurality of waveguides being in a stacked arrangement, each of the plurality of waveguides having a curved output surface and curved gratings, each of the plurality of waveguides is optimized for a single different optical wavelength; and
a curved outer cladding layer extending along the curved output surface of an outer most one of the plurality of waveguides;
wherein each of the plurality of waveguides is configured to deflect the modulated light out of a respective curved output surface of the curved output surfaces via the curved gratings in an output direction different than the propagation direction.

US Pat. No. 10,690,914

OPTICAL PROJECTION DEVICE FOR DISPLAY MEANS SUCH AS AUGMENTED REALITY GLASSES

1. An optical projection device for a display, comprising an optical guide, wherein the optical projection device comprises:at least two refractive input optics, arranged in front of an input zone of the optical guide;
at least two collimation elements having a deflection function, each collimation element being associated with an input optics, and located directly on a face of the optical guide; and
conjugation device disposed between the input optics and the collimation elements, wherein a respective one of the at least two input optics and a respective one of the at least two collimation elements form a pair, the conjugation device being arranged to optically conjugate each of the respective input optics and the associated collimation element,
wherein each of the collimation elements has an optical power function and forms a unit projector with the associated input optics and a corresponding part of the conjugation device.

US Pat. No. 10,690,913

VIRTUAL REALITY DEVICES AND ACCESSORIES

Mark D. Wieczorek, P.C., ...

1. A method of providing a multiuser virtual reality experience, comprising:configuring one or more network servers to communicate with a first user computing environment, the first user computing environment coupled to a first virtual reality display within a first virtual reality headset, the first user computing environment configured to display a common environment in the first virtual reality display; and
configuring the one or more network servers to communicate with a second user computing environment, the second user computing environment coupled to a second virtual reality display within a second virtual reality headset, the second user computing environment configured to display the common environment in the second virtual reality display;
wherein the one or more network servers and the first user computing environment are configured to cause the display of entries associated with a social networking page corresponding to the first user, the entries at least indicated by images, the images displayed within the common environment for viewing in the first virtual reality display and in the second virtual reality display.

US Pat. No. 10,690,912

PRISMATIC AR DISPLAY DEVICE

GOERTEK TECHNOLOGY CO., L...

1. A prismatic AR display device, comprising:an LCOS display chip, a polarization beam splitter (PBS), a double cemented lens, a first single lens and a beam splitting prism which are sequentially arranged along a first axis, and LCOS lighting apparatus which is arranged on a second axis perpendicular to the first axis and is close to the PBS,
the double cemented lens comprises a positive lens and a negative lens, the negative lens is close to the PBS, and the positive lens is close to the first single lens;
a first light incident surface of the beam splitting prism is close to the first single lens, and an optical axis of the first light incident surface coincides with an optical axis of the first single lens; an optical axis of a second light incident surface of the beam splitting prism is perpendicular to the optical axis of the first light incident surface, and the second light incident surface is opposite to a first light emergent surface;
the LCOS lighting apparatus is used for illuminating the LCOS display chip, such that the LCOS display chip emits virtual image light; after being transmitted by the PBS and refracted by the double cemented lens, the virtual image light emitted by the LCOS display chip enters the first single lens, and is refracted to the beam splitting prism by the first single lens.

US Pat. No. 10,690,911

PROJECTION OPTICAL SYSTEM AND HEAD-UP DISPLAY DEVICE

MAXELL, LTD., Kyoto (JP)...

1. A projection optical system comprising:an ocular optical system that displays a virtual image by reflecting light emitted from an image forming unit that emits light including image information,
wherein the ocular optical system at least includes a spherical lens, a free-form curved surface lens, and a free-form curved surface mirror,
wherein the ocular optical system is configured to arrange a first small lens system and a second small lens system in a space on the ocular optical system side of a plane conjugate with a virtual image plane side by side along the conjugate plane,
wherein separated light of the light emitted from the image formation unit is incident upon the first small lens system and the first small lens system achieves a first focus position movement amount,
wherein separated light of the light emitted from the image formation unit is incident upon the second small lens system and the second small lens system achieves a second focus position movement amount that is shorter than the first focus position movement amount,
wherein the ocular optical system further includes a first optical path formed by the first small lens system, a second optical path formed by the second small lens system, and a third optical path formed without including the first small lens system and the second small lens systems, which are arranged side by side along the conjugate plane, and
wherein the second focus position movement amount in the second optical path is shorter than the first focus position movement amount in the first optical path, and a thickness of a medium in the third optical path is 0 mm.

US Pat. No. 10,690,910

PLENOPTIC CELLULAR VISION CORRECTION

Lockheed Martin Corporati...

1. An electronic display assembly comprising:a first microlens layer on a first side of a circuit board and comprising a first plurality of cells, the first plurality of cells being arranged in a grid pattern comprising a center cell and a plurality of surrounding cells that surround the center cell;
a pixel array layer adjacent to the first microlens layer, the pixel array layer comprising a plurality of display pixels;
a second microlens layer on an opposite side of the circuit board from the first microlens layer, the second microlens layer comprising a second plurality of cells;
an image sensor layer adjacent to the second microlens layer, the image sensor layer comprising a plurality of sensor pixels configured to detect incoming light through the second plurality of cells; and
a logic unit layer coupled to the circuit board, the logic unit layer comprising logic configured to:
display, using some of the plurality of display pixels, a sub-image in each particular cell of the first plurality of cells;
access vision correction parameters of a user;
perform linear transformations on a plurality of the sub-images of the surrounding cells according to the vision correction parameters of the user; and
shift the plurality of sub-images of the surrounding cells according to the linear transformations, thereby providing digital vision correction for the user;
wherein each cell of the first and second plurality of cells comprises:
a transparent lenslet; and
a plurality of opaque walls configured to prevent light from bleeding into adjacent cells.

US Pat. No. 10,690,909

PROJECTION SYSTEM FOR DISPLAY APPLICATIONS

Jabil Optics Germany GmbH...

1. A projection system for imaging an object into an image plane, comprising:a first assembly group with a first optical axis, comprising the object;
a second assembly group with a second optical axis, comprising an optical component, wherein the second assembly group is an object-side assembly group; and
a third assembly group with a third optical axis, wherein the third assembly group is an image-side assembly group,
wherein the first axis is a continuous common optical axis for the first assembly group, the second axis is a continuous common optical axis for the second assembly group, and the third axis is a continuous common optical axis for the third assembly group,
wherein the third optical axis of the third assembly group is inclined relative to an optical axis of an image in the image plane, and a focusing of the image occurs via a first region situated between any two of the assembly groups, wherein the object is a reflective imager, which is illuminated and imaged by the second assembly group, wherein the second assembly group is tilted and/or decentered relative to the other assembly groups.

US Pat. No. 10,690,908

HEAD DEVICE OF THREE-DIMENSIONAL MODELING EQUIPMENT HAVING UNIDIRECTIONALLY ROTATING POLYGON MIRRORS, SCANNING METHOD FOR MODELING PLANE USING SAME, AND THREE-DIMENSIONAL MODELING DEVICE USING SAME

Korea Institute of Indust...

1. A head apparatus for three-dimensional modeling equipment, the head apparatus comprising:a modeling beam source unit for generating and radiating a modeling beam in a specific scanning pattern to a surface of a modeling plane having first and second perpendicular axes and being perpendicular to a third axis;
a first light guide unit disposed at a specific location so as to be over the modeling plane and being configured to primarily reflect the modeling beam from the modeling beam source unit and to enable the primarily reflected modeling beam to be incident on a second light guide unit;
the second light guide unit being disposed at a specific location so as to be over the modeling plane and configured to secondarily reflect the modeling beam incident from the first light guide unit and to enable the secondarily reflected modeling beam to be incident on the modeling plane; and
a control unit which generates an on/off and output power of the modeling beam and a driving of the first light guide unit and the second light guide unit by associating the first light guide unit and the second light guide unit,
wherein the first light guide unit includes a first polygon mirror and the second light guide unit includes a second polygon mirror, each of the first polygon mirror and the second polygon mirror having a specific number of light reflection surfaces and being rotatable in one direction around a specific rotating axis; and
wherein the control unit comprises:
a first photosensor configured to determine start timing of each of a plurality of line scans in a direction parallel to the first axis or the second axis by sensing the modeling beam when the modeling beam is incident on a first specific point, the first specific point corresponding to a top surface of the second polygon mirror, and to synchronize driving of the modeling beam source unit and driving of the first light guide unit or the second light guide unit,
the first photosensor being disposed over the top surface of the second polygon mirror to detect a reflection of the modeling beam toward the top surface of the second polygon mirror before a next line scan is started after one line scan is terminated.

US Pat. No. 10,690,907

SCANNER HAVING PIEZOELECTRIC ELEMENTS

ULTIMEMS, INC., New Taip...

1. A scanner comprising:a mirror to rotate about a first direction;
a first spring connected to the mirror;
a second spring connected to the mirror;
an insulation layer directly attached to the mirror and the first and second springs;
a first piezoelectric element directly attached to the insulation layer, the first piezoelectric element having
a first portion above the first spring;
a mid-range portion above the mirror; and
a second portion above the second spring; and
a second piezoelectric element directly attached to the insulation layer, the second piezoelectric element having
a first portion above the first spring;
a mid-range portion above the mirror; and
a second portion above the second spring;
wherein the first piezoelectric element comprises a first upper electrode layer;
a first piezoelectric layer; and
a first lower electrode layer;
wherein the second piezoelectric element comprises
a second upper electrode layer;
a second piezoelectric layer; and
a second lower electrode layer;
wherein the first piezoelectric element and the second piezoelectric element are symmetric with respect to the first direction;
wherein the first piezoelectric element is symmetric with respect to a second direction perpendicular to the first direction;
wherein the second piezoelectric element is symmetric with respect to the second direction; and
wherein the second direction is perpendicular to a thickness direction of the mirror under a mirror resting state.

US Pat. No. 10,690,906

MAGNETIC ACTUATOR

Robert Bosch GmbH, Stutt...

1. A magnetic actuator, comprising:a plate having one main plane of extent and mounted rotatably about at least one first axis of rotation which is parallel to the main plane of extent, the plate having at least one conductor loop parallel to the main plane of extent; and
a magnetic bracket situated beneath the plate, the magnetic bracket having a U-shaped magnetic flux conducting rail and a hard magnet whose magnetization is perpendicular to the U-shaped opening;
wherein the hard magnet is disposed inside the U-shaped opening, a bottom surface of the hard magnet being above and in direct contact with a bottom surface of the U-shaped opening,
wherein the magnetic bracket and the plate are aligned with one another in such a way that the opening in the magnetic bracket points toward the main plane of extent of the plate, and wherein the U-shaped magnetic flux conducting rail has a main direction of extent which is parallel to the first axis of rotation, and wherein the plate is deflectable about the first axis of rotation by energizing the at least one conductor loop,
wherein the plate has (i) two conductor loops parallel to the main plane of extent, and (ii) two surface areas in the main plane of extent separated by the first axis of rotation,
wherein in the plate one of the conductor loops is situated only in one of the surface areas and the other conductor loop is situated only in the other surface area,
wherein the two conductor loops are displaced from one another only in a single direction that is perpendicular to the first axis of rotation,
wherein each of the two conductor loops have a length that intersects a second axis that is perpendicular to the first axis of rotation,
wherein the two surface areas are confined to edge areas of the plate,
wherein the plate has a first side that is longer than a second side,
wherein the first side is parallel to the main direction of extent,
wherein the magnetic bracket produces a magnetic field that is coplanar with the main plane of extent in which the two conductor loops are located,
wherein a Lorentz-force generated by the magnetic field is perpendicular to the main plane of extent in which the two conductor loops are located,
wherein when the plate is at rest the plate is coplanar with an xy plane,
wherein the U-shaped magnetic flux conducting rail causes the magnetic field to include a plurality of field line components that run parallel to each other and to the second axis within the xy plane, and
wherein a torque about the first axis of rotation is generated on the plate by energizing the two conductor loops in opposite directions.

US Pat. No. 10,690,905

IMAGING MODULE, ENDOSCOPE, AND METHOD OF MANUFACTURING IMAGING MODULE

FUJIKURA LTD., Tokyo (JP...

1. An imaging module comprising:an image-sensing-device mounted substrate that comprises a wiring substrate and an image-sensing device mounted on the wiring substrate;
a lens that has a front end and is optically connected to the image-sensing device; and
a frame that is fixed in position with respect to the image-sensing device and comprises a lens barrel having an insertion space into which the front end is to be inserted in at least an optical axis direction, the frame having a positioning hole determining a position of the image-sensing device, wherein
in a state where movement of the lens in a direction intersecting with the optical axis direction is limited, the insertion space is capable of receiving the lens in a direction such that the lens approaches the image-sensing device,
the lens is fixed to the lens barrel at a position at which the lens is optically connected to the image-sensing device,
the positioning hole has a movement limiter that is formed in the positioning hole, and is a contact face parallel to the direction intersecting with the optical axis direction, the positioning hole has an inner surface that comes into contact with or comes close to a side surface of the image-sensing device,
the movement limiter limits the image-sensing device from moving into the insertion space by coming into contact with or coming close to a light-receiving face of the image-sensing device,
as viewed from the optical axis direction, in an area where the movement limiter is formed in radial direction that revolves around the optical axis direction, a first distance between a furthest point on the inner surface of the positioning hole and a center of the positioning hole is longer than a second distance between an inner surface of the lens barrel and a center of the lens barrel, and
as viewed from the optical axis direction, a third distance between a closest point on the inner surface of the positioning hole and the center of the positioning hole is smaller than the second distance.

US Pat. No. 10,690,904

MULTIPLE IMAGING MODALITY LIGHT SOURCE

Stryker Corporation, Kal...

1. A method of using a medical light source comprising the steps of:providing a multi-mode light source comprising:
(a) a first LED to provide light of a first light wavelength spectrum along a first light path;
(b) a second LED to provide light of a second light wavelength spectrum along a second light path;
(c) a dichroic filter for passing light emitted from at least one of the first LED and the second LED and reflecting light emitted from at least one of the first LED and the second LED;
(d) an optical filter movable between a first position in which the optical filter receives light from the first light path and a second position of which the optical filter does not receive light from the first light path;
(e) a light output;
(f) a controller which is capable of switching the light source between a first mode and a second mode, the first mode for providing a first imaging light to the light output and the second mode for providing a second imaging light to the light output;
selecting a mode of light by choosing the first mode or the second mode.

US Pat. No. 10,690,903

OPTICAL CONFIGURATIONS FOR OPTICAL FIELD MAPPINGS FOR BACK-SCANNED AND LINE-SCANNED IMAGERS

RAYTHEON COMPANY, Waltha...

1. An imaging method comprising:receiving electromagnetic radiation from a viewed scene with afocal optics;
directing the electromagnetic radiation from the afocal optics to an imager;
focusing the electromagnetic radiation with the imager onto an imaging sensor to form an image, the image being centered about an optical axis of the afocal optics that passes through an exit pupil of the afocal optics to the imager;
back-scanning the electromagnetic radiation with a back-scan mirror optically coupled to the afocal optics and positioned proximate the exit pupil of the afocal optics to stabilize the image on the imaging sensor; and
adjusting distortion characteristics of the afocal optics with a field correcting assembly to control image wander for off-axis image points during the back-scanning operation, the field correcting assembly including at least one anamorphic field correction optical element configured to implement a non-rotationally symmetric field mapping between image space and object space to set the distortion characteristics of the afocal optics.

US Pat. No. 10,690,902

IMAGE PROCESSING DEVICE AND MICROSCOPE SYSTEM

OLYMPUS CORPORATION, Tok...

1. An image processing device comprising at least one processor that is provided with hardware,wherein the at least one processor is configured to:
generate, based on a plurality of 2D images acquired by a microscope at different focus positions of a cell clump, 3D images of respective cells constituting the cell clump;
process the generated 3D images and statistically analyze feature quantities based on at least one measurement parameter;
display analysis results of the statistical analysis in a graph;
allow a user to select a region of interest on the displayed graph; and
generate, from the 3D images that correspond to the plurality of cells that are included in the selected region of interest, 2D display images each in a plane with reference to an axis that is determined based on a shape feature of the corresponding cell, and display the 2D display images in a list as a gallery display.

US Pat. No. 10,690,901

APPARATUS AND METHOD FOR GENERATING IN-FOCUS IMAGES USING PARALLEL IMAGING IN A MICROSCOPY SYSTEM

Molecular Devices, LLC, ...

1. A method of generating in-focus images of measurement locations of a sample holder in a microscopy imaging system, the method comprising:(a) positioning a single camera sensor and an array of focusing optics at a first focal distance from the sample holder, wherein each of the focusing optics of the array of focusing optics is aligned with respective measurement locations of the sample holder, the respective measurement locations comprising a first set of the measurement locations of the sample holder;
(b) acquiring a first image of the first set of measurement locations using the array of focusing optics and the single camera sensor;
(c) developing a candidate output image associated with the camera sensor and the array of focusing optics in accordance with the first image, the candidate output image comprising a first set of images at the first focal distance;
(d) positioning the camera sensor and the array of focusing optics at a second focal distance from the sample holder by varying a focus position of the array of focusing optics and the single camera sensor over a predetermined range based on a variation in a curvature of the sample holder;
(e) acquiring a second image of the first set of measurement locations, using the camera sensor, the second image comprising a second set of images at the second focal distance;
(f) updating any portion of the first set of images of the candidate output image by replacing the portion with a selected image, the selected image comprising at least part of one of the second set of images having more than one pixel, the at least one part selected in accordance with a selection criterion in order to produce an updated candidate output image comprised of multiple images; and
(g) transmitting the updated candidate output image.

US Pat. No. 10,690,900

DIAGNOSTIC APPARATUS INCLUDING PASSIVE AUTOLOADER

ADVANCED ANIMAL DIAGNOSTI...

1. A microscope assembly for use in an automated microscope apparatus, comprising:a support frame;
a cartridge magazine actuator assembly connected to said support frame;
a subframe;
a plurality of vibration isolators connecting said support frame to said subframe;
an XYZ drive connected to said subframe; and
an optical stage connected to said subframe, wherein said cartridge magazine actuator assembly comprises:
an input element,
a output element, and
a transfer assembly interconnecting said input element and said output element, wherein said transfer assembly further comprises a scissor assembly comprising said input element and said output element on opposite ends thereof, such that when said input element moves in a first direction, said scissor assembly moves said output element in a second direction opposite the first direction to thereby move said output element in the second direction and said output element contacts a cartridge in a cartridge magazine and moves the cartridge out of the cartridge magazine.

US Pat. No. 10,690,899

IMAGE OBSERVATION DEVICE AND MICROSCOPE SYSTEM

OLYMPUS CORPORATION, Tok...

1. An image observation device configured to:perform a reference-image generating that generates a reference image on a basis of one or more two-dimensional images of a Z-stack image constituted of the plurality of two-dimensional images that are acquired by shifting a focal position in an optical-axis direction of an objective lens;
perform a frame generating that generates, on the generated reference image, a frame that has a plurality of window portions covering different small regions of the reference image and that is superimposed on the reference image;
perform a frame operating that allows a user to operate the generated frame so as to be moved with respect to the reference image;
perform a focal-range allocating that allocates different focal ranges to the respective window portions of the generated frame;
perform an omnifocal-image generating that generates, for the respective small regions covered by the respective window portions, omnifocal images by using, among the two-dimensional images in regions corresponding to the respective small regions, the two-dimensional images in the focal ranges allocated to the respective window portions;
perform an image replacing that replaces the regions of the reference image in the respective window portions with the respective generated omnifocal images that are based on the different focal ranges; and
display the reference image, the frame, and the omnifocal images.

US Pat. No. 10,690,898

LIGHT-FIELD MICROSCOPE WITH SELECTIVE-PLANE ILLUMINATION

Molecular Devices (Austri...

1. A light-field microscope, comprising:a light source configured for generating illumination light;
a condenser lens configured for receiving the illumination light from the light source and outputting the illumination light as focused illumination light;
a light-sheet focusing device configured for receiving the focused illumination light from the condenser and outputting the illumination light as a light sheet on an illumination light axis, wherein the light sheet has a relatively small thickness compared to a length or a width thereof and has a longitudinal axis extending in a direction of the length of the light sheet;
a sample stage configured for supporting a sample in a sample plane and for receiving the light sheet along the illumination light axis, the illumination light axis being non-parallel to the sample plane;
an objective lens configured for receiving detection light from the sample on a detection light axis and for receiving and focusing the light sheet into the sample, the detection light axis and the illumination light axis being coincident relative to each other at least in a volume defined by the sample such that the longitudinal axis of the light sheet in the volume of the sample is aligned with and extends coincidentally along the detection light axis;
a microlens array configured for receiving the detection light from the objective lens; and
a light detector configured for receiving the detection light from the microlens array and measuring light-field parameters of the detection light.

US Pat. No. 10,690,897

LASER SCANNING MICROSCOPE APPARATUS

Canon Kabushiki Kaisha, ...

1. A laser scanning microscope apparatus comprising:a first light source configured to emit a first laser beam;
a second light source configured to emit a second laser beam;
a wavelength changing unit configured to change a wavelength of at least any one of the first laser beam and the second laser beam so as to change a difference in wavelength between the first laser beam and the second laser beam;
a multiplexer configured to multiplex the first laser beam and the second laser beam to form the laser beam;
an objective lens configured to focus the laser beam to form a focused spot;
a photodetector unit configured to detect light including a stimulated Raman scattered light generated from a position irradiated with the focused spot of the laser beam;
a scanner configured to change a path of the laser beam so as to scan a position of the focused spot, within a field of view of the objective lens, in an X-direction perpendicular to an optical axis of the objective lens and in a Y-direction perpendicular to the optical axis;
a Z-scanning unit configured to change a position of the focused spot in a Z-direction parallel to the optical axis of the objective lens a plurality of times during scanning in the X-direction or in the Y-direction, so as to encompass an expected thickness in the Z-direction of the specimen and traverse the thickness of the specimen a plurality of times within the field of view;
a control unit configured to control the scanner and the Z-scanning unit so as to control the position of the focused spot and the relative position of the specimen, and to control an XY position of the field of view of the objective lens relative to the specimen;
a data acquisition unit configured to acquire detected signal from the photodetector unit in association with an X-coordinate and a Y-coordinate of the irradiated position of the focused spot as pixel information; and
a data processing unit configured to store the pixel information and acquire XY two dimensional image for an area of the specimen in association with a plurality amount of the fields of view of the objective lens,
wherein the apparatus is configured to acquire XY-two-dimensional image data and Z-coordinate information acquired by detecting the light while changing the wavelength of the laser beam with the wavelength changing unit while the irradiated position is scanned in at least one of the X-direction, the Y-direction, and the Z-direction.

US Pat. No. 10,690,896

VARIABLE MAGNIFICATION OPTICAL SYSTEM, OPTICAL DEVICE, AND PRODUCTION METHOD FOR VARIABLE MAGNIFICATION OPTICAL SYSTEM

Nikon Corporation, Tokyo...

1. A variable magnification optical system comprising, in order from an object side: a first lens group having negative refractive power; a second lens group having positive refractive power; a third lens group having negative refractive power; a fourth lens group having positive refractive power; a fifth lens group having negative refractive power; and a sixth lens group having positive refractive power;upon varying magnification, air distances between the neighboring lens groups being varied; and
the following conditional expressions being satisfied:
0.30<(?fA)/fB<0.60
0.20 where fA denotes a focal length of a lens group disposed at a most object side, fB denotes a focal length of a lens group disposed at a most image side, and fD denotes a focal length of a third lens group counted from the image side.

US Pat. No. 10,690,895

ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME

OLYMPUS CORPORATION, Tok...

1. A zoom lens comprising in order from an object side:a first lens unit having a positive refractive power;
a second lens unit having a negative refractive power;
a third lens unit having a positive refractive power;
a fourth lens unit having a negative refractive power; and
a fifth lens unit having a positive refractive power,
wherein:
the zoom lens does not include diffractive optical elements,
each of a distance between the first lens unit and the second lens unit and a distance between the second lens unit and the third lens unit changes when the zoom lens zooms from a wide angle end to a telephoto end,
the first lens unit includes a positive lens, and
the second lens unit includes a positive lens, and
the following conditional expressions (1), (2), (3), and (4) are satisfied:
?0.015?Tp2G_min_p?0.015  (1),
70.3?vd1G_max_p  (2),
1.76?nd2G_max_p?2.3  (3), and
0.3?|f2/f3|?0.9  (4)
where,
Tp2G_min_p=?gF2G_p?(?0.0016×vd2G_p+0.6415),
?gF2G_p=(ng2G_p?nF2G_p)/(nF2G_p?nC2G_p)
vd2G_p denotes Abbe number for a predetermined positive lens in the second lens unit,
ng2G_p, nF2G_p, and nC2G_p denote refractive indices of the predetermined positive lens in the second lens unit, for a g-line, for an F-line, and for a C-line respectively, here
the predetermined positive lens in the second lens unit is a lens for which Abbe number is the smallest, from among the positive lenses in the second lens unit,
vd1G_max_p denotes a maximum Abbe number from among Abbe numbers for the positive lenses in the first lens unit,
nd2G_max_p denotes a maximum refractive index from among refractive indices of the positive lenses in the second lens unit,
f2 denotes a focal length of the second lens unit, and
f3 denotes a focal length of the third lens unit.

US Pat. No. 10,690,894

ZOOM LENS AND IMAGING APPARATUS

FUJIFILM Corporation, To...

1. A zoom lens, consisting of:in order from an object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, a fourth lens group having a positive refractive power, and a fifth lens group having a positive refractive power,
wherein during zooming, the first lens group is fixed relative to an image surface,
wherein during zooming from a wide angle end to a telephoto end, a distance between the first lens group and the second lens group constantly increases, a distance between the second lens group and the third lens group constantly decreases, and a distance between the third lens group and the fourth lens group at the telephoto end is smaller than a distance between the third lens group and the fourth lens group at the wide angle end,
wherein the second lens group consists of, in order from the object side, a first lens component, a second lens component, a third lens component, and a fourth lens component,
wherein the first lens component is a 2a negative lens having a concave surface that faces an image side and that has a smaller absolute value of a curvature radius than an absolute value of a curvature radius of a surface on the object side of the 2a negative lens,
wherein the second lens component is a cemented lens in which a 2bn biconcave lens and a 2bp positive meniscus lens are cemented in that order from the object side and which entirely has a negative refractive power,
wherein the third lens component is a cemented lens in which a 2cn biconcave lens and a 2cp positive lens are cemented in that order from the object side, and
wherein the fourth lens component is a 2d negative lens having a concave surface that faces the object side and that has a smaller absolute value of a curvature radius than an absolute value of a curvature radius of a surface on the image side of the 2d negative lens.

US Pat. No. 10,690,893

IMAGING LENS AND IMAGING APPARATUS

FUJIFILM Corporation, To...

1. An imaging lens consisting of, in order from an object side to an image side:a first lens group;
an aperture stop; and
a second lens group that has a positive refractive power,
wherein during focusing from a distant object to a close-range object, the first lens group remains stationary with respect to an image plane, and the aperture stop and the second lens group integrally move toward the object side,
wherein in a state where an object at infinity is in focus, assuming that
a focal length of a whole system is f,
a focal length of the first lens group is f1,
a distance from the aperture stop to an object side principal point of the second lens group in a direction of an optical axis is sH,
a focal length of the second lens group is f2,
a height of paraxial on-axis ray on a lens surface closest to the object side in the first lens group is h1,
a height of paraxial on-axis ray on a lens surface closest to the image side in the first lens group is h2, and
a back focal length of the whole system at an air-converted distance is Bf,
all Conditional Expressions (1), (2), (3), and (4) are satisfied,
?0.1 0.8 0.3

1.4

US Pat. No. 10,690,892

TELECENTRIC LENS

OPTO ENGINEERING S.R.L., ...

1. A telecentric lens, comprising:a front optical group configured to receive rays coming from an observed object and defining a front optical axis (k),
at least a first rear optical group, suitable to convey said rays towards a sensor and defining a rear optical axis (k?), and
at least one lens aperture positioned between the front optical group and a respective rear optical group, where the lens aperture lies on the focal plane of, at least, the front optical group such that the axis of each cone of rays coming from the observed object is parallel to said front optical axis,
wherein at least three reflective or semi-reflective elements are arranged in the air space (AS) between the front optical group and the lens aperture such that the reflection made by a second reflective or semi-reflective element causes a deviation of the front optical axis (k) outside of the plane upon which lies said front optical axis, before and after the first reflection made by a first reflective or semi-reflective element.

US Pat. No. 10,690,891

WAFER LEVEL CAMERA MODULE

SAMSUNG ELECTRONICS CO., ...

1. A camera module, comprising:an image sensor including an imaging region;
a first piezoelectric film on the image sensor, the first piezoelectric film including a first opening;
a first deformable layer on the first piezoelectric film, the first deformable layer covering the first opening of the first piezoelectric film;
a first lens attached to the first deformable layer and overlapping with the imaging region of the image sensor in a first direction,
a second lens spaced apart from the first lens in the first direction; and
a first conductive via electrically connected to the first piezoelectric film.

US Pat. No. 10,690,890

OPTICAL IMAGING LENS ASSEMBLY

LARGAN PRECISION CO., LTD...

1. An optical imaging lens assembly comprising five lens elements, the five lens elements being, from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element;wherein the first lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof, the third lens element has an object-side surface being convex in a paraxial region thereof, the fourth lens element has negative refractive power, the fifth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof;
wherein there is an air gap between each of adjacent lens elements among the five lens elements, at least one surface of the five lens elements is aspheric, and at least one of the five lens elements is made of plastic; an absolute value of a curvature radius of an object-side surface of the second lens element is larger than an absolute value of a curvature radius of an image-side surface of the second lens element;
wherein V1 is an Abbe number of the first lens element, V2 is an Abbe number of the second lens element, and the following relation is satisfied:
25

US Pat. No. 10,690,889

OPTICAL IMAGE CAPTURING SYSTEM

ABILITY OPTO-ELECTRONICS ...

1. An optical image capturing system, in order along an optical axis from an object side to an image side, comprising:a first lens having refractive power;
a second lens having refractive power;
a third lens having refractive power;
a fourth lens having refractive power;
a fifth lens having refractive power;
a first image plane, which is an image plane specifically for visible light and located at a position of the optical axis with a through-focus modulation transfer rate (value of MTF) at a first spatial frequency having a maximum value; and
a second image plane, which is an image plane specifically for infrared light and located at a position of the optical axis with the through-focus modulation transfer rate (value of MTF) at the first spatial frequency having a maximum value;
wherein the optical image capturing system consists of the five lenses with refractive power; at least one lens among the first lens to the fifth lens is made of plastic; at least one lens among the first lens to the fifth lens has positive refractive power; each lens among the first lens to the fifth lens has an object-side surface, which faces the object side, and an image-side surface, which faces the image side;
wherein the optical image capturing system satisfies:
1.0?f/HEP?10.0;
0 deg |FS|?12 ?m;
where f1, f2, f3, f4, and f5 are focal lengths of the first lens to the fifth lens, respectively; f is a focal length of the optical image capturing system; HEP is an entrance pupil diameter of the optical image capturing system; HOS is a distance between an object-side surface of the first lens and the first image plane on the optical axis; HOI is a maximum image height on the first image plane perpendicular to the optical axis; InTL is a distance on the optical axis from the object-side surface of the first lens to the image-side surface of the fifth lens; HAF is a half of a maximum view angle of the optical image capturing system; for any surface of any lens; FS is a distance on the optical axis between the first image plane and the second image plane.

US Pat. No. 10,690,888

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens;
a second lens having at least one surface formed in an aspheric shape;
a third lens having at least one surface formed in an aspheric shape;
a fourth lens having at least one surface formed in an aspheric shape;
a fifth lens having two surfaces each formed in an aspheric shape;
a sixth lens having two surfaces each formed in an aspheric shape; and
a seventh lens having two surfaces each formed in an aspheric shape, arranged in this order from an object side to an image plane side,
wherein said imaging lens has a total of seven lenses,
said first lens, said second lens, said third lens, said fourth lens, said fifth lens, said sixth lens, and said seventh lens are arranged respectively with a space in between,
said first lens is formed in a shape so that a surface thereof on the object side is convex near an optical axis thereof,
said fifth lens is formed in a shape so that a surface thereof on the image plane side is concave near an optical axis thereof, and
said seventh lens is formed in a shape so that a surface thereof on the image plane side has at least one inflexion point and is concave near an optical axis thereof.

US Pat. No. 10,690,887

WIDE-ANGLE LENS ASSEMBLY

CALIN TECHNOLOGY CO., LTD...

1. A wide-angle lens assembly, in order from an object side to an image side along an optical axis, comprising:a first lens with negative refractive power;
a second lens with negative refractive power;
a third lens with positive refractive power;
a fourth lens with positive refractive power;
a fifth lens with positive refractive power;
a sixth lens with negative refractive power; and
a seventh lens with positive refractive power; wherein, the wide-angle lens assembly satisfies the following condition:
0.2 where f is a focal length of the wide-angle lens assembly and f7 is a focal length of the seventh lens.

US Pat. No. 10,690,886

IMAGING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

LARGAN Precision Co., Ltd...

1. An imaging lens assembly comprising seven lens elements, the seven lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element, the first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, the sixth lens element having an object-side surface being convex in a paraxial region thereof, the seventh lens element having an image-side surface being concave in a paraxial region thereof, the image-side surface of the seventh lens element having at least one convex shape in an off-axis region thereof, and an object-side surface and the image-side surface of the seventh lens element being both aspheric;wherein at least one of an image-side surface of the fourth lens element and an image-side surface of the fifth lens element has at least one inflection point, a focal length of the imaging lens assembly is f, a curvature radius of the image-side surface of the fourth lens element is R8, a curvature radius of the image-side surface of the fifth lens element is R10, an axial distance between the object-side surface of the first lens element and the image-side surface of the seventh lens element is Td, a sum of central thicknesses of the seven lens elements of the imaging lens assembly is ?CT, a focal length of the sixth lens element is f6, a focal length of the seventh lens element is t7, an axial distance between the third lens element and the fourth lens element is T34, an axial distance between the sixth lens element and the seventh lens element is T67, and the following conditions are satisfied:
0?f/R8;
0?f/R10,
Td/?CT<1.65;
1.10<|f/f6|+|f7|; and
1.0

US Pat. No. 10,690,885

LENS MODULE

Samsung Electro-Mechanics...

1. A lens module comprising:a first lens having a refractive power;
a second lens having a refractive power;
a third lens having a refractive power;
a fourth lens having a refractive power; and
a fifth lens having a refractive power,
wherein the first to fifth lenses are sequentially arranged in ascending numerical order from an object side of the lens module toward an image side of the lens module,
the second lens has a convex object-side surface and a convex image-side surface,
a shape of the first lens and a shape of the third lens are symmetrical to each other, and
the fifth lens has a negative refractive power.

US Pat. No. 10,690,884

OPTICAL LENS

ABILITY ENTERPRISE CO., L...

1. An optical lens, in order from an object side to an image-forming side, comprising:a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, an object-side surface of the first lens having an effective diameter ?1, an image-side surface of the first lens having a curvature radius R2 and an effective radius D2, an object-side surface of the second lens having an effective diameter ?2, and the optical lens satisfies at least one of the following conditions:
0.2??2/?1;
?2/?1?0.65;
0.65?D2/R2; and
D2/R2?1.2.

US Pat. No. 10,690,883

OPTICAL IMAGE CAPTURING SYSTEM

ABILITY OPTO-ELECTRONICS ...

1. An optical image capturing system, in order along an optical axis from an object side to an image side, comprising:a first lens having refractive power;
a second lens having refractive power;
a third lens having positive refractive power;
a fourth lens having refractive power;
a fifth lens having refractive power; and
an image plane;
wherein the optical image capturing system consists of the five lenses with refractive power; at least three lenses among the first to the fifth lenses has positive refractive power; each lens among the first lens to the fifth lens has an object-side surface, which faces the object side, and an image-side surface, which faces the image side; the object-side surface of the second lens is a convex surface, and the image-side surface of the second lens is a concave surface; the image-side surface of the fourth lens is a convex surface; the image-side surface of the fifth lens is a concave surface;
wherein the optical image capturing system further comprises an aperture disposed before the object-side surface of the third lens;
wherein the optical image capturing system satisfies:
1.0?f/HEP?10;
0.5?HOS/f?30;
0 0.5?SETP/STP<1;
wherein f is a focal length of the optical image capturing system; HEP is an entrance pupil diameter of the optical image capturing system; HOS is a distance in parallel with the optical axis between the object-side surface of the first lens and the image plane; InTL is a distance in parallel with the optical axis from the object-side surface of the first lens to the image-side surface of the fifth lens; PhiA5 is a maximum effective diameter of the image-side surface of the fifth lens; ½ HEP is equal to a value smaller than or equal to a minimum of a maximum effective half diameter of any surface among the first to the fifth lens, where ETP1, ETP2, ETP3, ETP4, and ETP5 are respectively a thickness at the height of ½ HEP of the first lens, the second lens, the third lens, the fourth lens, and the fifth lens, wherein the maximum effective half diameter is a perpendicular distance between the optical axis and a crossing point on the corresponding surface where an incident light with a maximum viewing angle of the optical image capturing system passing a very edge of an entrance pupil of the optical image capturing system; SETP is a sum of the aforementioned ETP1 to ETP5; TP1, TP2, TP3, TP4, and TP5 are respectively a thickness of the first lens, the second lens, the third lens, the fourth lens, and the fifth lens on the optical axis; STP is a sum of the aforementioned TP1 to TP5.

US Pat. No. 10,690,882

WIDE-ANGLE OPTICAL SYSTEM, LENS UNIT, AND IMAGING APPARATUS

Konica Minolta, Inc., To...

1. A wide-angle optical system comprising, in order from an object side:a negative first lens that is a glass lens having:
a convex shape on the object side,
a concave shape on an image side, and
a spherical surface on either side;
a negative second lens that has:
an aspherical surface on at least one side, and
a concave shape on the image side;
a positive third lens;
an aperture;
a fourth lens that has an aspherical surface on at least one side; and
a fifth lens that has an aspherical surface on at least one side,
wherein conditional expressions (1) and (2) are satisfied,
0.27?D14/D1L?0.37   (1)
0.65?D24/SAG2?0.85   (2)whereD14: a distance from an object-side surface of the first lens to an image-side surface of the second lens on an optical axis,
D1L: a distance from the object-side surface of the first lens to an image-side surface of the fifth lens on the optical axis,
D24: a distance from an image-side surface of the first lens to the image-side surface of the second lens on the optical axis, and
SAG2: a SAG amount at an optical surface edge of the image-side surface of the first lens.

US Pat. No. 10,690,881

ELECTRONIC APPARATUS

CANON KABUSHIKI KAISHA, ...

1. An image capturing apparatus comprising:a lens barrel member housing an image capturing optical system;
a base member;
a rotatable operation member disposed outside the base member and rotatable with respect to the base member;
a clicking member disposed inside the base member, rotatable together with the rotatable operation member and having concave and convex portions arranged in a circumferential direction;
a switching operation member provided with an operation knob located at an outer circumference of the lens barrel member and movable with respect to the base member between a first position and a second position in the circumferential direction;
a pressing member held by the base member; and
a stopper member movable together with the switching operation member with respect to the base member,
wherein, when the switching operation member is located at the first position, the pressing member is in a click-ON state of contacting the concave and convex portions, and
when the switching operation member is located at the second position, the pressing member is in a click-OFF state of contacting the stopper member and being held at a position away from the concave and convex portions,
wherein the rotatable operation member is rotatable in a circumferential direction of the lens barrel member and a rotation operation of the rotatable operation member changes image capturing parameters, and
wherein the stopper member includes (a) a first opening portion allowing the pressing member to pass therethrough to a protrusion position at which the pressing member contacts the concave and convex portions when the switching operation member is located at the first position and (b) a second opening portion preventing the pressing member from passing therethrough to the protrusion position when the switching operation member is located at the second position.

US Pat. No. 10,690,880

OPTICAL ELEMENT DRIVING MECHANISM

TDK TAIWAN CORP., Yangme...

1. A driving mechanism driving an optical element, comprising:a base unit;
a holding unit for holding the optical element;
an elastic element connecting the holding unit to the base unit, wherein the holding unit is movably suspended from the base unit by the elastic element;
a driving assembly for driving the optical element to move relative to the base unit;
a sensing assembly disposed between the holding unit and the base unit for detecting the position of the holding unit relative to the base unit, wherein when observed in an optical axis direction of the optical element, the elastic element and the sensing assembly at least partially overlap;
a frame having a stopping portion, which protrudes from an inner surface of the frame, wherein there is a first distance between the stopping portion and the optical axis of the optical element, and the holding unit is movably disposed in the frame; and
a circuit unit disposed on the frame, wherein there is a second distance between the circuit unit and the optical axis of the optical element, and the first distance is shorter than the second distance.

US Pat. No. 10,690,879

LENS BARREL AND IMAGING DEVICE

Ricoh Company, Ltd., Tok...

1. A lens barrel, comprising:a movable device to adjust an optical system, the movable device including a ring that is rotatable around an optical axis in the lens barrel;
an operation section having a coupling section to be coupled with the movable device to control movement of the movable device; and
a display section disposed in line with the operation section in a direction around the optical axis of the lens barrel to overlap with the operation section in a direction of the optical axis, the display section including a display body that is movable in displaying a state of the optical system adjusted by the movable device,
wherein the display body of the display section is disposed to overlap the coupling section of the operation section in a radial direction of the lens barrel, and
wherein the display body of the display section radially projects from an outer-circumferential surface of the ring.

US Pat. No. 10,690,878

ARRANGEMENT FOR SUPPORTING AN OPTICAL COMPONENT

Jabil Optics Germany GmbH...

1. An optical arrangement comprising:a lens with a basic body;
at least one retaining element, which is designed as an integral element of the lens or is directly contacting the lens, wherein a first end of the retaining element, which faces towards the lens, is affixed on a first contact position of the basic body; and
a carrier, on which the lens is supported by means of the retaining element, wherein a second end of the retaining element, which faces away from the lens, is affixed on a second contact position of the carrier;
wherein the retaining element is arranged in such a manner that it can be pivoted between the first contact position and the second contact position, leading to displacement of the lens along an optical axis,
wherein due to a thermal expansion of at least one of the basic body or of the retaining element a return force is generated in a spring element, which counteracts a movement of the first contact position along the optical axis caused by the thermal expansion of the at least one of the basic body or of the retaining element,
wherein the second contact position of the carrier comprises a groove, the groove having a bottom surface and a side surface, wherein the second end of the retaining element engages the groove,
wherein the second end of the retaining element contacts the bottom surface of the groove, and a side portion of the retaining element contacts the side surface of the groove, and
wherein the pivoting arrangement of the retaining element creates an angle between a connecting line extending between the first contact position and the second contact position, and the optical axis of the lens is lower than 90° and greater than 70°.

US Pat. No. 10,690,877

OPTICAL DEVICE COMPRISING A MICRO-OPTICAL SYSTEM AND A RETAINER, AND METHOD FOR PRODUCING AN OPTICAL DEVICE

FORSCHUNGSVERBUND BERLIN ...

1. An optical device comprising a micro-optical system and a retainer, wherein the micro-optical system is fastened in such a way that the micro-optical system is oriented in relation to a surface of the retainer, characterized in that the retainer has a round, tapered recess and the micro-optical system is fastened on a spherical dome and the spherical dome having a spherical surface is fastened to the retainer, wherein the spherical dome at least partially protrudes into the recess and lies against a partial surface of the recess or an edge in the recess, wherein the spherical dome is fastened to the retainer by a fastening element provided inside the recess, but is not fastened where the spherical dome lies in contact, wherein the spherical surface directly contacts the partial surface of the recess or the edge in the recess, wherein the fastening element is only on a single side of said direct surface contact in a gap between the spherical dome and a second partial surface of the recess, said gap being located on said single side together with the micro-optical system.

US Pat. No. 10,690,876

ENHANCED IMAGE DETECTION FOR CELESTIAL-AIDED NAVIGATION AND STAR TRACKER SYSTEMS

Honeywell International I...

1. An optical image tracker, comprising:a multi-dimensional translation stage;
an optical image detector disposed on a surface of the multi-dimensional translation stage; and
an objective lens coupled to the optical image detector and attached to the multi-dimensional translation stage and configured to focus a collimated beam of light on the optical image detector, wherein the collimated beam of light includes a specific field of view within a field of regard, and the multi-dimensional translation stage is configured to position the optical image detector at a position within the collimated beam of light associated with the specific field of view.

US Pat. No. 10,690,875

INDEXING ARCHITECTURE INCLUDING AN OPTICAL FIBER CABLE FAN-OUT ARRANGEMENT

CommScope Connectivity Be...

1. An indexing component comprising:a main cable section extending between a first end and a second end, the main cable section including a plurality of optical lines, the optical lines extending between first and second ends, the first ends of the optical lines being separated into a first branch set and a first interface set, the second ends of the optical lines being separated into a second branch set and a second interface set, the first branch set having fewer optical lines than the first interface set and the second branch set having fewer optical lines than the second interface set, the optical lines of the first branch set being different from the optical lines of the second branch set, the second interface set including the optical lines of the first branch set, the first interface set including the optical lines of the second branch set;
a first fanout arrangement at which the first interface set and the first branch set are separated out from each other, the first fanout arrangement being disposed at the first end of the main cable section;
a second fanout arrangement at which the second interface set and the second branch set are separated out from each other, the second fanout arrangement being disposed at the second end of the main cable section;
a first interface multi-fiber connector having a plurality of sequential positions, the first interface multi-fiber connector terminating the first interface set so that the optical lines of the first interface set are indexed at the sequential fiber positions of the first interface multi-fiber connector;
a second interface multi-fiber connector having a plurality of sequential positions, the second interface multi-fiber connector terminating the second interface set so that the optical lines of the second interface set are indexed at the sequential fiber positions of the second interface multi-fiber connector;
a first branch multi-fiber connector terminating the first branch set; and
a second branch connector terminating the second branch set.

US Pat. No. 10,690,874

CABLE MANAGEMENT DEVICE

CommScope Technologies LL...

1. A cable management assembly comprising:a telecommunications panel including a plurality of shaped apertures arranged in an array of columns and rows; and
a plurality of cable management devices having attachment structures corresponding to the shaped apertures for removably mounting the cable management devices to the panel at selected vertical and horizontal locations, wherein each cable management device defines an outer barrel disposed over an inner barrel, one of the outer barrel and the inner barrel defining a plurality of discrete detents positioned in a stacked arrangement axially along a length thereof, and the other of the outer barrel and the inner barrel defining at least one flexible cantilever arm defining a tab configured to lock into a selected one of the detents for allowing adjustment of a length of the cable management device, wherein the outer barrel and the inner barrel are rotatable relative to each other for disengaging or engaging the tab from the detent for adjusting the length of the cable management device.

US Pat. No. 10,690,873

THERMALLY CONDUCTIVE CLOSURE FOR ELECTRONICS

COMMSCOPE CONNECTIVITY BE...

1. A closure comprising:a base having a bottom wall extending along a length between opposite first and second ends and along a width between opposite first and second sides, the base also including a sidewall extending along a height between the bottom wall and an open top of the base to define an interior, the sidewall extending from the opposite ends of the bottom wall and from the opposite sides of the bottom wall, the length being larger than the width, and the width being larger than the height;
a cover removably coupled to the base to selectively cover the open top of the base to close the interior, the cover and the base being configured to environmentally seal the interior;
a cable port disposed at a periphery of the base to provide cable access to the interior of the base;
a circuit board carried by the base, the circuit board including active components;
a plurality of thermally conductive pads carried by the base at the bottom wall, the pads being positioned to align with at least some of the active components on the circuit board, the pads extending inwardly into the interior to contact the at least some of the active components; and
cooling structures disposed at an exterior surface of the base, the cooling structures increasing a surface area of the exterior surface.

US Pat. No. 10,690,872

OPTICAL FIBER PROTECTION STRUCTURE AND OPTICAL COMBINER STRUCTURE USING THE SAME

FUJIKURA LTD., Tokyo (JP...

1. An optical fiber protection structure comprising:a fiber accommodation portion having a fiber accommodation groove formed therein for accommodating at least a portion of at least one optical fiber;
a first resin filled in the fiber accommodation groove for fixing the at least a portion of the at least one optical fiber within the fiber accommodation groove, the at least the portion of the at least one optical fiber being surrounded by the first resin in a cross section;
a cover member disposed above the fiber accommodation portion so as to cover at least a portion of the fiber accommodation groove;
a fixation portion for fixing the cover member above the fiber accommodation portion; and
a first stress reduction portion for allowing the first resin to expand toward the cover member to reduce a stress applied to the at least one optical fiber,
wherein the first stress reduction portion is formed by a second resin formed between the first resin and the cover member, the second resin having a Young's modulus lower than that of the first resin.

US Pat. No. 10,690,871

DIRECTIONAL SENSITIVE FIBER OPTIC CABLE WELLBORE SYSTEM

Saudi Arabian Oil Company...

1. A fiber optic cable assembly, comprising:an elongate housing;
a plurality of fiber optic cables positioned inside the elongate housing and extending longitudinally; and
acoustic isolating material positioned inside the elongate housing, the acoustic isolating material comprising a plurality of radially extending arms extending from a center of the elongate housing towards a circumference of the elongate housing, the plurality of arms dividing a space inside the elongate housing into a plurality of acoustically isolated sections, each acoustically isolated section including at least a respective one of the plurality of fiber optic cables, a surface of each acoustically isolated section covered by acoustic reflective material, and the acoustic reflective material comprises a material that substantially reflects acoustic waves.

US Pat. No. 10,690,870

OPTICAL COMMUNICATION ASSEMBLIES

3M Innovative Properties ...

1. An optical communication subassembly, comprising:a unitary connector light coupling unit including a plurality of light redirecting elements arranged in a row and separating a mechanical coupling member of the unitary connector light coupling unit from a plurality of waveguide alignment members of the unitary connector light coupling unit, each light redirecting element optically coupled to a corresponding different optical waveguide accommodated in a corresponding waveguide alignment member, the light redirecting element being configured to direct light traveling to or from the optical waveguide such that a central ray of light traveling to or from the optical waveguide is redirected by an angle ? greater than 90 degrees, wherein the mechanical coupling member comprises a mating surface a portion of which is configured to mate and make physical contact with a portion of a corresponding mating surface of a corresponding mechanical coupling member of a transceiver light coupling unit configured to couple light between the plurality of light redirecting elements and a plurality of optoelectronic devices disposed on a circuit board, wherein the portions of the mating surface and the corresponding mating surface that make physical contact with each other make an oblique angle with the circuit board.

US Pat. No. 10,690,869

GLASS FERRULE COUPLING OF IN-LINE FIBER TAPS AND FIBER CLADDING WAVEGUIDES

OZ Optics Ltd., Ottawa (...

1. A device comprising:an optical fiber having an optical tap;
a glass ferrule surrounding the optical fiber and located around the optical tap, the glass ferrule having a face with a surface of reflectivity and having an outer surface surrounding the optical fiber;
wherein light from the optical tap is reflected off the face of the glass ferrule to the outer surface; and
wherein the outer surface of the glass ferrule that receives the reflected light is flat.

US Pat. No. 10,690,868

THERMAL PROTECTION FOR MODULAR COMPONENTS IN A NETWORK DEVICE

CISCO TECHNOLOGY, INC., ...

1. An apparatus comprising:an optical module comprising a first end for insertion into a network device and a second end extending from the network device when the optical module is inserted into the network device; and
a thermal protective layer extending over a portion of said second end of the optical module, the thermal protective layer preventing direct contact with an external surface of the optical module during removal of the optical module from the network device;
wherein the thermal protective layer comprises a sleeve extending circumferentially around at least a portion of the optical module and in direct contact with said second end of the optical module, and wherein the thermal protective layer exposes a portion of the external surface of said second end of the optical module to allow heat to be released from the external surface of the optical module.

US Pat. No. 10,690,867

OPTICAL DEVICE WITH ADHESIVE CONNECTION OF RECESS OR SIDE PROTRUSION

INTERNATIONAL BUSINESS MA...

1. An optical device comprising:a substrate including a plurality of waveguide cores, the plurality of waveguide cores allowing light to pass through the plurality of waveguide cores; and
an optical component provided on the substrate, the optical component including a plurality of lenses, each of the plurality of lenses transmitting light passing through a corresponding one of the plurality of waveguide cores on the substrate, wherein
the optical component comprises a body and a protrusion, the body being provided with the plurality of lenses, the protrusion being protruded from a side of the body, and
the protrusion being fixed to the substrate with an adhesive.

US Pat. No. 10,690,866

OPTICAL CONNECTOR

SONY CORPORATION, Tokyo ...

1. An optical connector comprising:optical transmission paths that have end faces aligned in a predetermined region, and transmit optical signals, wherein
the optical transmission paths comprise optical transmission paths of transmission channels and optical transmission paths of reception channels,
the optical transmission paths of the transmission channels are arranged to have point symmetry about a center of the predetermined region and the optical transmission paths of the reception channels are arranged to have point symmetry about the center of the predetermined region,
when the optical connector transmits data, the data is outputted from only the optical transmission paths of the transmission channels arranged to have point symmetry about the center of the predetermined region,
the optical transmission paths are arranged to be adjacent to each other in a direction parallel to the end faces,
at least two optical transmission paths of the transmission channels or at least two optical transmission paths of the reception channels are sequentially arranged in a row direction or a column direction at one side of the center of the predetermined region, and at least two optical transmission paths of the transmission channels or at least two optical transmission paths of the reception channels are sequentially arranged in the row direction or the column direction at another side of the center of the predetermined region,
the optical transmission paths are arranged in N columns and two rows within the predetermined region, and the optical transmission paths of the transmission channels are arranged in 0 to N/2 columns in a first row, and (N/2+1) to N columns in a second row, N representing an even number,
the first row is included in the one side of the center of the predetermined region, and the second row is included in the another side of the center of the predetermined region, and
the at least two optical transmission paths of the transmission channels or at least two optical transmission paths of the reception channels are sequentially arranged in the row direction in the 0 to N/2 columns in the first row, and the at least two optical transmission paths of the transmission channels or at least two optical transmission paths of the reception channels are sequentially arranged in the row direction in the (N/2+1) to N columns in the second row.

US Pat. No. 10,690,865

SPACE ACTIVE OPTICAL CABLE

AIRBORN INC., Georgetown...

1. A space active optical cable (SAOC) comprising:a cable comprising one or more optical fibers; and
two or more electrical transceivers on opposing ends of the cable and interconnected by the cable, each of the electrical transceivers of the two or more electrical transceivers comprising:
an enclosure enclosing:
one or more light sources, one or more light detectors, and control electronics enclosed in the enclosure;
a coupling medium configured to couple light into and out of the one or more optical fibers;
a radio-frequency (RF) modulator and a local oscillator (LO) modulator configured to modulate light generated by the one or more light sources; and
a light processor coupled to the one or more light sources, the RF modulator and the LO modulator and comprising a filter and lock-diode unit configured to generate a heterodyne output light.

US Pat. No. 10,690,863

COMMUNICATION CABLE IDENTIFICATION

Amazon Technologies, Inc....

1. A system, comprising:a communication cable that comprises:
an optical fiber core; and
an optical fiber connector disposed at a distal end of the communication cable, the optical fiber connector comprising:
a connector body that extends around a distal end of the optical fiber core, the connector body comprising an exterior surface; and
a first plurality of pins disposed at the exterior surface and arranged into a first pin pattern, the first pin pattern corresponding to a characteristic of the communication cable; and
a transceiver coupled with network equipment, the transceiver comprising an interface comprising:
a port sized and configured to receive the connector body, the port comprising an interior surface; and
a second plurality of pins disposed around the interior surface and arranged such that the first plurality of pins contact a portion of the second plurality of pins when the port receives the connector body; and
a management component configured to:
identify the first pin pattern by applying a voltage to two or more pins of the second plurality of pins and measuring an electrical characteristic caused by the voltage at one or more pins of the first plurality of pins; and
determine the characteristic of the communication cable based on the identified first pin pattern.

US Pat. No. 10,690,862

CONNECTOR ENGAGEMENT SENSING MECHANISM

1. A connector assembly comprising:an adapter;
a housing received by the adapter and comprising a main body defining a bore and a projection extending from the main body;
a ferrule translatable within the bore of the housing; and
a sensor mounted on the housing or on the adapter, the sensor being configured for detecting translation of the ferrule,
wherein (i) the sensor is mounted on the projection when the sensor is mounted on the housing or (ii) the sensor is configured for contacting the projection when the sensor is mounted on the adapter,
wherein, during translation of the ferrule a minimum distance, (i) the sensor is pressed by a force from the adapter when the sensor is mounted on the housing or (ii) the projection is pressed by a force against the sensor when the sensor is mounted on the adapter, and
wherein an electrical characteristic of the sensor changes to indicate translation of the ferrule to a predetermined position as a function of the force acting on the sensor.

US Pat. No. 10,690,861

REVERSIBLE POLARITY MPO FIBER OPTIC CONNECTOR

US Conec, Ltd., Hickory,...

1. A multi-fiber, fiber optic connector comprising:a connector body defining a first surface and a second surface;
a first key structure slidably positioned within a first slot defined on the first surface of the connector body;
a second key structure slidably positioned within a second slot defined on the second surface of the connector body;
a key housing enclosing a portion of the first surface of the connector body and the second surface of the connector body,
wherein the first key structure is slideable relative to the first slot and the key housing and configured to be received within the key housing,
wherein the second key structure is slideable relative to the second slot and the key housing and configured to be received within the key housing,
either one of guide pins or guide pin receiving holes for guiding a connection with a second connector, and
wherein, in operation, a polarity of the fiber optic connector is selectively adjusted by ingressingly sliding the first key structure into the key housing within the first slot and retracting the second key structure relative to the key housing within the second slot such that the second key structure extends from the key housing while the first key structure remains at least partially within the key housing.

US Pat. No. 10,690,860

OPTICAL FIBER CONNECTOR AND ASSEMBLING STRUCTURE THEREOF

1. An optical fiber connector, comprising:a body member, including a first positioning hole and a concave portion; and
a positioning member, including a first spacing board and at least one positioning sheet, wherein the first spacing board is provided with a second positioning hole and a protrusion, and the second positioning hole corresponds to the first positioning hole, and the protrusion corresponds to, and is arranged in the concave portion, and wherein the at least one positioning sheet is provided with a third positioning hole corresponding to the second positioning hole;
wherein, the body member is adhered to the positioning member by an adhesive, so that the body member and the positioning member are integrated into one piece, and
wherein, the first spacing board includes at least one structural reinforcing portion, and the at least one positioning sheet is provided with at least one structural reinforcing hole corresponding to the at least one reinforcing portion.

US Pat. No. 10,690,859

TWISTED Z OPTICAL SWITCH

1. A fiber optical cross connect switch including:a 2D array of input fibers, each input fiber optically coupled to a corresponding collimating lens in a 2D array of collimating lenses, each collimating lens optically coupled to a corresponding mirror in a 2D array of first steering mirrors;
a 2D array of second steering mirrors, each second steering mirror optically coupled to a corresponding focusing lens in a 2D array of focusing lenses, each focusing lens optically coupled to a corresponding output fiber in a 2D array of output fibers;
wherein:
an array of principal rays exiting from the 2D array of collimating lenses forms a diverging array of input principal rays; and
an array of principal rays incident on the 2D array of focusing lenses forms a converging array of output principal rays;
an angle of the diverging array of input principal rays and an angle of the converging array of output principal rays are selected so as to reduce a mirror element actuation angle range of the corresponding 2D arrays of steering mirrors that is required to cross-connect any input fiber to any output fiber;
the fiber optical cross connect switch is in a twisted Z configuration in which the 2D array of input arrays are oriented at an incidence angle to the 2D array of first steering mirrors, the 2D array of output arrays are oriented at the incidence angle to the 2D array of second steering mirrors; and the first and second mirror arrays are oriented at a mirror angle to each other; and
the incidence and mirror angles are selected to result in less variation in an optical path length between any input fiber and any output fiber compared to a configuration having the first and second mirror arrays parallel to each other.

US Pat. No. 10,690,858

EVANESCENT OPTICAL COUPLERS EMPLOYING POLYMER-CLAD FIBERS AND TAPERED ION-EXCHANGED OPTICAL WAVEGUIDES

Corning Incorporated, Co...

1. An evanescent optical coupler, comprising:an ion-exchanged (IOX) waveguide formed in a glass substrate comprising a tapered section that runs in an axial direction and that supports a waveguide fundamental mode having a waveguide effective index NW0 that varies within a range ?NW0 as a function of the axial direction;
an optical fiber that supports a fiber fundamental mode having a fiber effective index NF0 that falls within the range ?NW0 of the waveguide fundamental mode of the tapered section of the IOX waveguide; and
wherein a portion of the optical fiber is interfaced with the tapered section of the IOX waveguide to define a coupling region over which evanescent optical coupling occurs between the optical fiber and the IOX waveguide.

US Pat. No. 10,690,857

OPTICAL COUPLING SYSTEMS

II-VI Delaware Inc., Wil...

1. An optical coupling system comprising:a first flexible waveguide that includes a first waveguide end, a second waveguide end, and a waveguide core;
a first lens that is positioned relative to a first optical fiber such that a core of the first optical fiber is aligned with the first lens;
a first lens holder that includes:
a lens retention portion that retains the first lens, the lens retention portion being transparent such that an optical signal is transmissible through the lens retention portion; and
a waveguide retention portion on which the first waveguide end of the first flexible waveguide is positioned such that the first waveguide end is adjacent to and separated from the lens retention portion and the waveguide core is aligned with the first lens;
a second lens that is aligned relative to a first optical component; and
a second lens holder that includes:
a lens retention portion that retains the second lens, the lens retention portion being transparent such that the optical signal is transmissible through the lens retention portion; and
a waveguide retention portion on which the second waveguide end of the first flexible waveguide is positioned such that the second waveguide end is adjacent to and separated from the lens retention portion of the second lens holder and the waveguide core is aligned with the second lens,
wherein the first flexible waveguide is comprised of a flexible polymer and configured such that the first lens holder is movable relative to the second lens holder to permit the first optical component to move away from the first optical fiber to remove dimensional limitations between the first optical component and the first optical fiber.

US Pat. No. 10,690,856

SYSTEM AND METHOD FOR BREAKING TIME-REVERSAL SYMMETRY WITH ACOUSTIC PUMPING OF NANOPHOTONIC CIRCUITS

THE BOARD OF TRUSTEES OF ...

10. A method, comprising:guiding light to a resonator;
driving a radio frequency signal to the resonator to form an acoustic pump of the resonator to break time-reversal symmetry for light propagation; and
reflecting phonons back to the resonator.

US Pat. No. 10,690,855

TAPERED NON-CONCENTRIC CORE FIBERS

Lumentum Operations LLC, ...

1. A method, comprising:splicing, by a device and at a target splice point, a first end of a twisted fiber having a non-concentric core to an input end of a target fiber having a concentric core to form a spliced fiber,
wherein the concentric core of the target fiber and the non-concentric core of the twisted fiber have a particular offset at the target splice point; and
tapering, by the device, at least a portion of the twisted fiber to form a tapered region of the spliced fiber and such that the particular offset at the target splice point corresponds to a pre-configured core offset,
wherein the target splice point is within the tapered region of the spliced fiber.

US Pat. No. 10,690,854

ROTARY OPTICAL BEAM GENERATOR

Lumentum Operations LLC, ...

1. A method, comprising:fabricating a rotator fiber preform having a unitary core with a refractive index structure that angularly varies with respect to a center of the rotator fiber preform;
consolidating the rotator fiber preform in order to create a consolidated rotator fiber preform;
concurrently drawing and spinning the consolidated rotator fiber preform in order to create a spun rotator fiber; and
tapering the spun rotator fiber in order to create a tapered spun rotator fiber,
wherein, within the tapered spun rotator fiber, the unitary core rotates about an optical axis of the tapered spun rotator fiber along a length of the tapered spun rotator fiber, and
wherein a rate of twist at which the unitary core twists about the optical axis increases from a first rate of twist at a first end of the tapered spun rotator fiber to a second rate of twist at a second end of the tapered spun rotator fiber.

US Pat. No. 10,690,853

OPTOELECTRONICS INTEGRATION USING SEMICONDUCTOR ON INSULATOR SUBSTRATE

International Business Ma...

1. A method of fabricating an optoelectronic device, comprising:obtaining a first structure including:
a semiconductor substrate including a first region and a second region, the second region being laterally displaced from the first region,
a bottom dielectric layer on the semiconductor substrate, and
a buried waveguide core within the bottom dielectric layer and directly above the first region of the semiconductor substrate;
forming a semiconductor layer on the bottom dielectric layer;
forming a recess within the bottom dielectric layer over the second region of the semiconductor substrate;
forming a field-effect transistor in the second region of the semiconductor substrate;
filling the recess with dielectric material;
forming first electrical conductors within the dielectric material, the first electrical conductors being electrically connected to the field-effect transistor;
patterning the semiconductor layer to form a semiconductor device layer over the first region of the semiconductor substrate;
epitaxially growing a plurality of III-V semiconductor layers on the semiconductor device layer over the first region of the semiconductor substrate, the III-V semiconductor layers comprising an optoelectronic structure configured for light emission;
patterning the optoelectronic structure;
forming a top dielectric layer over the bottom dielectric layer and the dielectric material filling the recess, the top dielectric layer encapsulating the optoelectronic structure, and
forming second electrical conductors within the top dielectric layer, the second electrical conductors being electrically connected to the first electrical conductors and the optoelectronic structure.

US Pat. No. 10,690,852

III-V SEMICONDUCTOR WAVEGUIDE NANORIDGE STRUCTURE

IMEC vzw, Leuven (BE) Un...

1. A III-V semiconductor waveguide, the III-V semiconductor waveguide being a nanoridge structure having a narrow supporting base with a freestanding wider body portion on top, having a PIN diode, and comprising:a III-V semiconductor waveguide core formed in the freestanding wider body portion;
at least one heterojunction incorporated in the III-V semiconductor waveguide core;
a bottom doped region of a first polarity positioned at a bottom of the narrow supporting base, forming a lower contact;
a V-shaped interface between the narrow supporting base and the lower contact; and
an upper doped region of a second polarity, forming an upper contact, the upper contact being positioned in at least one side wall of the freestanding wider body portion.

US Pat. No. 10,690,851

HOLOGRAPHIC WAVEGUIDES INCORPORATING BIREFRINGENCE CONTROL AND METHODS FOR THEIR FABRICATION

DigiLens Inc., Sunnyvale...

1. A waveguide comprising:at least one waveguide substrate;
at least one birefringent grating;
at least one birefringence control layer;
a light source for outputting light;
an input coupler for directing the light into total internal reflection paths within the waveguide; and
an output coupler for extracting light from the waveguide, wherein light in the total internal reflection paths undergoes multiple interactions along the waveguide with each of the birefringent grating and the birefringence control layer, wherein the interaction of the light with the birefringence control layer and the birefringent grating provides a predefined characteristic of light extracted from the waveguide.

US Pat. No. 10,690,850

INTEGRATED VECTOR MODULATOR

Phase Sensitive Innovatio...

1. An apparatus for modulating an optical carrier, the apparatus including:an optical waveguide defined in electro-optic material, said optical waveguide supporting at least two polarization states of light that are orthogonal to one another;
an optical input to couple light into the optical waveguide;
an optical output to couple light out of the optical waveguide; and
at least two signal electrodes to receive modulating electrical signals,
wherein the signal electrodes are both adjacent to the optical waveguide and are positioned to produce an electric field across the optical waveguide when electrical signals are applied to the signal electrodes, and
wherein the signal electrodes are further positioned to enable the generation of at least a first predominant orientation of the electric field across the optical waveguide as a result of a first pair of signals applied to the signal electrodes, and at least a second, different, predominant orientation of the electric field across the optical waveguide as a result of second pair of signals different from the first pair of signals applied to the signal electrodes;
whereby at least two distinct characteristics of light passing through the optical waveguide between the optical input and the optical output are simultaneously and independently modulated as a result of applying each of the first and second pair of electrical signals to the respective signal electrodes.

US Pat. No. 10,690,849

INTEGRATED MICRO-LENS WAVEGUIDE AND METHODS OF MAKING AND USING SAME

The Trustees of Columbia ...

1. A probe structure, comprising:a substrate;
a waveguide disposed on the substrate; and
a micro-lens extending from the waveguide, wherein the waveguide and the micro-lens are formed together as a single integrated structure, wherein the micro-lens is one of a plurality of micro-lenses located at intervals along the waveguide, and wherein each of the plurality of micro-lenses and corresponding portions of the waveguide are configured as a half period of a Graded Refractive Index (GRIN) lens.

US Pat. No. 10,690,848

PHOTONIC CHIP WITH INTEGRATED COLLIMATION STRUCTURE

1. A photonic chip including:a light guiding layer supported by a substrate,
a front face on the light guiding layer side,
a rear face on the substrate side,
a lens integrated at the level of the rear face,
a light guiding structure in the light guiding layer, and
a vertical coupler in the light guiding layer,
wherein the light guiding structure is optically coupled to the vertical coupler, wherein the vertical coupler is configured to receive/transfer light from/to the light guiding structure and form/receive a light beam in the direction of/from the lens, wherein the lens includes a plurality of trenches made in the rear face, the trenches delineating a two-dimensional array of posts and each post having, in a direction orthogonal to the front and rear faces, an invariable thickness,
wherein the substrate has a thickness Th and a refractive index n10, the light beam forms an angle ?2 with an axis perpendicular to the front and rear faces, the light has a wavelength ?, the light beam formed/received by the vertical coupler has a mode size Do=2.wo and the two-dimensional array of posts has a characteristic dimension greater than or equal to Th×2?/(?. wo×cos ?2. n10).

US Pat. No. 10,690,847

METHOD OF MAKING A PHOTONIC CRYSTAL DEVICE AND PHOTONIC CRYSTAL DEVICE

BRAGGONE OY, Oulu (FI)

1. A method of making a photonic crystal device, comprising the steps ofproviding a substrate consisting of glass, plastic, silicon, or ceramic;
depositing directly on the substrate in a single step a metal oxide polymer in the liquid phase and heating to remove the solvent and form a continuous first layer consisting of a first optical material having only a single first index of refraction at a wavelength of 632.8 nm;
depositing directly on only the first layer in a single step a metalloid oxide polymer in the liquid phase and heating to remove the solvent and form a continuous second layer consisting of a second optical material having only a single second index of refraction at a wavelength of 632.8 nm, which is lower than that of the first optical material; and
depositing directly on only the second layer in a single step a metalloid oxide polymer in the liquid phase and heating to remove the solvent and form a continuous third layer consisting of a third optical material having only a single third index of refraction at a wavelength of 632.8 nm;
wherein
the single index of refraction of the first optical material is 1.9 or higher at a wavelength of 632.8 nm;
the single index of refraction of the second optical material is 1.4 or less at a wavelength of 632.8 nm; and
the single index of refraction of the third optical material is 1.4 or less at a wavelength of 632.8 nm;
wherein the second layer does not contact the substrate and the third layer does not contact the first layer.

US Pat. No. 10,690,846

LIGHT PROJECTING METHOD AND DEVICE

Shenzhen Guangjian Techno...

1. A light projecting system, comprising:a waveguide comprising a first surface, a second surface, and a fourth surface, at least one of the first surface or the second surface comprising a first plurality of grating structures;
a light source coupling light into the waveguide to form an in-coupled light beam, wherein:
the waveguide is configured to guide the in-coupled light beam to undergo total internal reflection between the first surface and the second surface until reaching the fourth surface, and
each of the first grating structures is configured to disrupt the total internal reflection to cause at least a portion of the in-coupled light beam to couple out of the waveguide, the portion of the in-coupled light beam coupled out of the waveguide being an out-coupled light beam, and a remainder beam of the in-coupled light beam undergoing the total internal reflection being coupled out of the waveguide from the fourth surface after the out-coupling at each of the first grating structures; and
a detector configured to receive and measure the remainder beam, wherein the light source or a light blocker at least decreases the strength of the in-coupled light beam in response to the remainder beam exceeding a threshold.

US Pat. No. 10,690,845

THREE DIMENSIONAL OPTICAL INTERCONNECTS

GLOBALFOUNDRIES INC., Gr...

1. A structure comprising:a first structure comprising a grating coupler and a first optical waveguide structure; and
a second structure comprising a second optical waveguide structure in alignment with the first optical waveguide structure and which has a modal effective index that matches to the first optical waveguide structure.

US Pat. No. 10,690,844

MULTIMODE OPTICAL FIBER TRANSMISSION SYSTEM INCLUDING SINGLE MODE FIBER

Corning Incorporated, Co...

1. A multimode optical fiber comprising:a core with a diameter D40;
a cladding surrounding the core;
a refractive index profile defined by the core and the cladding and that defines an optimal multimode transmission at a wavelength ?1 situated between 840 nm and 860 nm, the fiber being structured to be capable of single mode transmission in an LP01 mode at an operating wavelength ?o>950 nm; and
the LP01 mode having a mode field diameter LP01MFDMM?0 in the range 8.5 ?m a cutoff wavelength >1600 nm; and
a modal bandwidth of at least 2.5 GHz·Km at the wavelength ?1.

US Pat. No. 10,690,843

MULTICORE FIBER

Fujikura Ltd., Tokyo (JP...

1. A multicore fiber comprising:a first core having a first propagation loss of a first light beam in a mode one order higher than a mode of a second light beam that transmits information, wherein
the first propagation loss is 0.02 dB/m or more and less than 1 dB/m, in a wavelength band of light beams, including the second light beam, that transmit the information when a bend having a diameter of 280 mm is applied to the multicore fiber.

US Pat. No. 10,690,842

WASH LIGHT LUMINAIRE WITH SPECIAL EFFECTS CAPABILITIES

Robe Lighting s.r.o., Ro...

1. An automated luminaire comprising:a light emitting diode (LED) array source configured to emit a plurality of colored light beams;
a light guide optically coupled to the LED array source and configured to receive the plurality of colored light beams emitted by the LED array source and to emit a partially homogenized light beam that includes at least some visible separation of the received plurality of colored light beams; and
a lens optically coupled to the light guide and configured to receive the partially homogenized light beam and to move along an optical axis of the light guide, the lens being configured to project a pattern of the visibly separated colored light beams in the partially homogenized light beam, the pattern spreading and contracting as the lens moves along the optical axis of the light guide.

US Pat. No. 10,690,841

BACKLIGHT MODULE AND DISPLAY DEVICE

Beijing BOE Chatani Elect...

1. A backlight module, comprising:a light guide plate provided with a hole thereon;
a diffusion assembly disposed over the light guide plate; and
a light source assembly having a light emitting portion, the light emitting portion being disposed within the hole and including a chip-on-board (COB) light source with an out-light surface facing towards the diffusion assembly and a light-emitting diode (LED) light source with an out-light surface facing towards a hole wall of the hole, wherein:
the light source assembly further includes a drive motor having a drive shaft;
the light emitting portion further includes a printed circuit board (PCB) board in an elongated shape fixed to the drive shaft of the drive motor, the COB light source being disposed at a side of the PCB board close to the diffusion assembly, and the LED light source being disposed on a side of the PCB board close to the hole wall at each of both ends of the PCB board in a longitudinal direction; and
a transmittance at a position of the diffusion assembly opposite to the COB light source is smaller than a transmittance at a remaining position thereof.

US Pat. No. 10,690,840

BACKLIGHT MODULE THAT HAS A REDUCED THICKNESS COMPRISING AN OPTICAL ASSEMBLY AND DISPLAY DEVICE COMPRISING THE SAME

INNOLUX CORPORATION, Mia...

1. A backlight module, comprising:an optical assembly comprising a base film, a first conductive layer, and a first reflective layer, wherein the first conductive layer is disposed on the base film, the first reflective layer is disposed on the first conductive layer, the first reflective layer includes a first part and a second part, and the first part is connected to the second part;
a plurality of first light units disposed on the first part and extending through the first part to be electrically connected to the first conductive layer; and
a light guide plate disposed on the second part;
wherein the first conductive layer comprises a circuit part and a patterned part, the circuit part is corresponding to the first part, and the patterned part is corresponding to the second part, the circuit part and the plurality of first light units are electrically connected to each other, and the patterned part has a mesh structure.

US Pat. No. 10,690,839

REFLECTIVE POLARIZING MODULE FOR ENABLING BENDING REDUCTION AND BACK LIGHT UNIT HAVING SAME

LMS Co., Ltd., Pyeongtae...

1. A reflective polarizing module enabling a reduction in bending, the reflective polarizing module comprising:a reflective polarization sheet in a form of a multilayer stack having different refractive indices to selectively transmit light, the reflective polarization sheet comprising a cooled surface cooled in contact with a separate cooling roll in a heated state and an exposed surface stacked on an upper surface of the cooled surface and slowly cooled while being exposed to air, wherein a contraction ratio of the cooled surface, due to an increase in temperature, is greater than a contraction ratio of the exposed surface; and
a bonding layer disposed on at least one of the cooled surface and the exposed surface to bond the reflective polarization module and a separate optical module to reduce contraction and bending of the reflective polarization sheet, caused by an increase in temperature of the reflective polarization sheet due to a difference between the contraction ratio of the cooled surface and the contraction ratio of the exposed surface.