US Pat. No. 10,890,850

OPTICAL IMAGING ARRANGEMENT WITH ACTIVELY ADJUSTABLE METROLOGY SUPPORT UNITS

Carl Zeiss SMT GmbH, Obe...

1. An optical imaging arrangement, comprising:an optical projection system;
a support structure system; and
a control device,
wherein:
the optical projection system comprises a group of optical elements supported by the support structure system;
the group of optical elements is configured to transfer, in an exposure process using exposure light along an exposure light path, an image of a pattern of a mask onto a substrate;
the group of optical elements comprises first and second optical elements;
the control device comprises a sensor device and an active device;
the sensor device comprises a sensor unit configured to capture mechanical disturbance information representative of a mechanical disturbance acting on the first optical element in at least one degree of freedom;
the control device is configured to control the active device based on the mechanical disturbance information and a stored numerical model so that the active device acts on at least the second optical element to at least partially correct an optical imaging error of the optical imaging arrangement during the exposure process resulting from the mechanical disturbance acting on the first optical element;
the stored numerical model is representative of an imaging error alteration of the imaging error in response to the mechanical disturbance captured by the sensor device;
the sensor unit is mechanically connected to an optical imaging arrangement component of the optical imaging arrangement at a sensor location;
a disturbance path exists, along which the mechanical disturbance propagates fastest towards the first optical element;
the sensor location is on the disturbance path;
the mechanical disturbance, along the disturbance path, has a disturbance runtime from the sensor location to the first optical element;
the control device has a control reaction time from capturing the mechanical disturbance information to acting on at least the second optical element to at least partially correct the imaging error;
the sensor location is located, along the disturbance path, at a sensor location distance from the first optical element; and
the sensor location distance is selected such that the control reaction time is smaller than or equal to the disturbance runtime, and
wherein at least one of the following holds:
the active device comprises an active support unit of the support structure system, the active support unit supports the second optical element, and the active support unit is configured to adjust a deformation of the second optical element in at least one degree of freedom; and
the active device comprises an active deformation device assigned to the second optical element, and the active deformation device is configured to adjust a deformation of the second optical element in at least one degree of freedom.

US Pat. No. 10,890,849

EUV LITHOGRAPHY SYSTEM FOR DENSE LINE PATTERNING

Nikon Corporation, Tokyo...

1. An exposure apparatus comprising:a mask having a pattern thereon;
an illumination optical system configured to illuminate said mask with illumination radiation to generate a first beam in a positive order of diffraction of said illumination radiation at said mask and a second beam in a negative order of diffraction of said illumination radiation at said mask;
a projection optical system including
a convex mirror configured to reflect said first beam at a first reflective area of said convex mirror to form a reflected first beam, and to reflect said second beam at a second reflective area of said convex mirror to form a reflected second beam, and
a concave mirror configured to receive and reflect said reflected first beam and said reflected second beam to form respectively third and fourth beams that are propagated between the first and second reflective areas of the convex mirror towards an image plane of the projection optical system and that are overlapped at said image plane.

US Pat. No. 10,890,848

MATERIAL FOR DETECTING PHOTORESIST AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE USING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. A method of fabricating a semiconductor device, the method comprising:a forming step of forming a photoresist layer comprising a first part and a second part on a wafer,
a removing step of removing the first part and leaving the second part of the photoresist layer,
a bonding step of bonding a material for detecting photoresist on a surface of the second part, and
an inspecting step of inspecting the second part to detect the photoresist,
wherein the material for detecting photoresist comprises a macrocyclic molecule having a hollow structure and a fluorescent substance which is labeled on the macrocyclic molecule,
wherein the macrocyclic molecule is at least one selected from the group consisting of cyclodextrin, cucurbituril, calixarene, pillararene, and catenane,
wherein the second part is (a) a photoresist pattern obtained by the removing step or (b) a photoresist residue that was intended to have been removed by the removing step, and
wherein the inspecting step comprises (a1) detecting a shape of the photoresist pattern or (b1) detecting the photoresist residue.

US Pat. No. 10,890,845

CHEMICALLY AMPLIFIED POSITIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION

Tokyo Ohka Kogyo Co., Ltd...

1. A chemically amplified positive-type photosensitive resin composition, comprising:(A) an acid generator that produces an acid when irradiated with an active ray or radiation;
(B) a resin whose solubility in alkali increases under an action of acid;
(C) a mercapto compound; and
(D1) a novolak resin as a (D) alkali-soluble resin, wherein the (C) mercapto compound is contained in an amount of 0.01 to 5 parts by mass relative to the total mass of 100 parts by mass of the (B) resin and the (D) alkali soluble resin, wherein the (C) mercapto compound is represented by the following formula (1):
HS—Y—(R)u  (1)wherein R represents an acid decomposition group whose solubility in alkali increases under the action of acid; Y represents a linking group having a valency of u+1; and u represents an integer of 1 to 3.

US Pat. No. 10,890,844

EMBOSSED FILM, SHEET FILM, TRANSFER COPY, AND METHOD FOR PRODUCING EMBOSSED FILM

DEXERIALS CORPORATION, T...

1. A stacked film body comprising a plurality of minute solid bodies, wherein:an arrangement pattern of the minute solid bodies has periodicity along the length direction of the film body,
the rate of loss of the minute solid bodies is less than 1% of the total number of the minute solid bodies, and
the total number of the minute solid bodies is the number of the minute solid bodies when the minute solid bodies arranged in the arrangement pattern have no loss.

US Pat. No. 10,890,843

FAST IMPRINT LITHOGRAPHY

Tokyo Electron Limited, ...

18. A method for imprint lithography comprising:receiving a substrate in an imprint lithography chamber;
applying a deformable layer to a surface of the substrate;
filling a gap in a mold with a gas that dissolves into the deformable layer more quickly than air into the chamber;
pressing the mold into the deformable layer, wherein only the gas, in its gaseous state, dissolves directly into the deformable layer and dissolves more quickly than air into the chamber; and
controlling one or more processing parameters in order to achieve device formation objectives,
wherein the gas is organic and selected from a group consisting of CxFy, CxFyHz, CO2, R134a, CxHy, CxHyFz, CxHyClz, and CxFyClz where x, y, and z are integers.

US Pat. No. 10,890,842

REFLECTIVE MASK BLANK, REFLECTIVE MASK, AND PROCESS FOR PRODUCING REFLECTIVE MASK BLANK

AGC INC., Chiyoda-ku (JP...

1. A reflective mask blank comprising, on/above a substrate in the following order from the substrate side:a reflective layer which reflects EUV light; and
an absorber layer which absorbs EUV light,
wherein the absorber layer is an alloy comprising Sn as a main component and Ta in an amount of 25 at % or more.

US Pat. No. 10,890,841

CAMERA MODULE TESTING FIXTURE

TRIPLE WIN TECHNOLOGY (SH...

1. A camera module testing fixture for testing a performance of a camera module, the camera module comprising a lens component, a flexible board, and a connection component, the camera module testing fixture comprising:a mounting body; and
a fixture block set; wherein:
the fixture block set comprises a first fixture block, a second fixture block, and a third fixture block;
the first fixture block, the second fixture block, and the third fixture block are independent from each other and are detachably mounted on the mounting body;
the first fixture block, the second fixture block, and the third fixture block respectively receive the lens component, the flexible board, and the connection component of the camera module.

US Pat. No. 10,890,840

PROJECTION OPTICAL SYSTEM UNIT, PROJECTION OPTICAL SYSTEM, AND PROJECTION OPTICAL APPARATUS

Ricoh Company, Ltd., Tok...

1. A projection optical system unit comprising:a reflective image display element that includes a plurality of micromirrors, the image display element having an image display surface on which the plurality of micromirrors are two-dimensionally arranged and being configured to change an angle of a reflective surface of each of the micromirrors with respect to a line normal to the image display surface to form an image; and
a projection optical system that includes a plurality of lenses and an aperture stop, the projection optical system being configured to magnify and project an image formed by the image display element onto a projection surface,
wherein the projection optical system unit satisfies
?1?15° and
3 where ?1 is a maximum inclination angle of the line normal to the reflective surface of each of the micromirrors,
EP is an entrance pupil distance of the projection optical system, and
Ym is a maximum distance in a plane from an optical axis to a point on the image display surface, the plane being a plane in which a light ray propagating from a center of the image display surface toward the projection surface through a center of the aperture stop of the projection optical system exists, the optical axis being an axis shared by a largest number of the plurality of lenses of the projection optical system, the point corresponding to an image on the projection surface.

US Pat. No. 10,890,839

STRUCTURED LIGHT IMAGING DEVICE

HIMAX TECHNOLOGIES LIMITE...

1. A structured light imaging device, comprising:a projector comprising a diffractive optical element;
an image sensor; and
a processing circuit electrically connected to the projector and the image sensor,
wherein the processing circuit is configured to control the projector to emit a beam having a special pattern, and alter an amplitude of the beam in a random way during a sensing period,
wherein the image sensor is configured to capture an image corresponding to the beam during the sensing period, and transmits the image to the processing circuit,
wherein the processing circuit calculates a depth according to the image and a predetermined image having the special pattern.

US Pat. No. 10,890,838

SYSTEM AND METHODS OF FLUORESCENCE MICROSCOPE CALIBRATION

University of Massachuset...

1. An apparatus for calibrating a microscope, comprising:a main body housing having an adapter configured to mechanically couple the main body housing to a microscope;
a sensor head disposed within the main body housing, the sensor head comprising (i) an optical power sensor configured to produce a power signal representative of an optical power magnitude of light applied to the optical power sensor, and (ii) an optical wavelength sensor configured to produce wavelength information associated with the light applied to the optical wavelength sensor; and
a microcontroller assembly in communication with the sensor head, the microcontroller assembly configured to generate an optical power magnitude value based on the power signal and to adjust the optical power magnitude value according to the wavelength information.

US Pat. No. 10,890,837

STRUCTURED LIGHT PROJECTION SYSTEM

LIGITEK ELECTRONICS CO., ...

1. A structured light projection system comprising:a substrate of non-semiconductor material having an installation surface, wherein the substrate of non-semiconductor material is a ceramic substrate or a glass fiber substrate;
a semiconductor laser chip, configured to generate at least one beam, and disposed on the installation surface and having a first optical axis;
a first optical module, disposed on a transmission path of the at least one beam, and having a second optical axis and comprising an optical lens having a light exit surface, wherein there is no air gap between the optical lens and the semiconductor laser chip, and the light exit surface is a smooth refractive curved surface; and
a second optical module, disposed on the first optical module and having a third optical axis, wherein the second optical module comprises a hollow case and at least one diffractive optical element disposed on the transmission path of the at least one beam and converting the at least one beam into a structured light,
wherein the first optical module is accommodated in the hollow case, a light beam transmitted along and emitted from the first optical axis is then transmitted along the second optical axis and the third optical axis in sequence, the semiconductor laser chip is a vertical-cavity surface-emitting laser chip, and a light-emitting surface of the semiconductor laser chip faces the diffractive optical element and is in direct contact with the optical lens.

US Pat. No. 10,890,836

PROJECTOR

SEIKO EPSON CORPORATION, ...

1. A projector having a cooling target, comprising:a light source configured to emit light;
a light modulator configured to modulate the light emitted from the light source in accordance with an image signal;
a projection optical device configured to project the light modulated by the light modulator;
a cooler configured to cool the cooling target based on transformation of a refrigerant into a gas; and
a controller configured to control the cooler, wherein
the cooler includes
a refrigerant generator configured to generate the refrigerant, and
a refrigerant sender configured to transmit the generated refrigerant toward the cooling target, and
the controller controls the refrigerant generator based on at least one of temperature of the cooling target and ambient humidity of the projector.

US Pat. No. 10,890,835

LIGHT CONVERSION DEVICE, LIGHT SOURCE APPARATUS, AND PROJECTION DISPLAY APPARATUS WITH IMPROVED COOLING EFFICIENCY

SONY CORPORATION, Tokyo ...

1. A light conversion device, comprising:a light conversion section rotatable about an axis of rotation;
a cooling section configured to cool the light conversion section;
a housing configured to house the light conversion section and the cooling section; and
a partition member, wherein
a first region of the partition member is on an irradiated surface of the light conversion section,
a second region of the partition member is on a non-irradiated surface of the light conversion section,
the non-irradiated surface of the light conversion section is opposite to the radiated surface of the light conversion section,
a third region of the partition member extends from the axis of rotation of the light conversion section,
the third region is different from each of the first region and the second region,
the partition member is configured to:
partition a space in the housing into a first space in the housing and a second space in the housing;
control a first flow of air, cooled by the cooling section, through the first space, wherein the first flow of the air is in a first direction within the housing; and
control a second flow of the air, warmed by the light conversion section, through the second space, wherein
the second flow of the air is in a second direction, opposite to the first direction, within the housing,
the first direction is a direction of the first flow of the air from the cooling section to the light conversion section, and
the second direction is a direction of the second flow of the air from the light conversion section to the cooling section, and
the first flow and the second flow are controlled based on rotation of the light conversion section about the axis of rotation.

US Pat. No. 10,890,834

LIGHT MODULATION APPARATUS, OPTICAL MODULE, AND PROJECTOR

SEIKO EPSON CORPORATION, ...

1. A light modulation apparatus comprising:a light modulator that modulates light;
a first polarizer on which light outputted from the light modulator is incident; and
a second polarizer on which light outputted from the first polarizer is incident,
wherein the first polarizer includes a first base having a first surface and a second surface, a first light absorbing layer so provided as to face the first base, and a first inorganic polarization layer provided on the first surface and disposed between the first base and the first light absorbing layer,
the second polarizer includes a second base having a third surface and a fourth surface, a second light absorbing layer so provided as to face the second base, and a second inorganic polarization layer provided on the third surface and disposed between the second base and the second light absorbing layer,
the first polarizer is so disposed that the first light absorbing layer faces a light exiting surface of the light modulator, and
the second polarizer is so disposed that the fourth surface of the second base faces the second surface of the first base.

US Pat. No. 10,890,833

PROJECTION-TYPE IMAGE APPARATUS

MAXELL, LTD., Kyo (JP)

1. A projection image display apparatus of an oblique type, the projection image display apparatus comprising:a light source;
an image display element configured to modulate an intensity of light from the light source in accordance with an image signal; and
a combined lens that has a first lens surface and a second lens surface formed inside the first lens surface on a same side of the combined lens in an effective region of the combined lens and is used in convergence of luminous flux;
a projection lens system including a plurality of lenses and the combined lens that is configured to project image light onto a projection plane from an oblique direction, the image light being modulated from the image display element, wherein the combined lens is arranged at a position in the projection lens system at which light components of luminous flux are separated from one another
wherein the first lens surface is an aspherical surface and has a sag amount defined by a first mathematical expression,
wherein the second lens surface has a sag amount defined by a second mathematical expression that is different than the first mathematical expression.

US Pat. No. 10,890,832

OPTICAL DEVICE AND OPTICAL MODULE

Coretronic Corporation, ...

1. An optical device, comprising a supporting structure, at least one first driving element, at least one second driving element and a light-transmitting plate body, wherein:the supporting structure comprises a first side and a second side opposing each other, wherein the supporting structure comprises a base and a frame mutually connected to each other, the base comprises at least one first supporting part, the frame comprises at least one second supporting part and at least one third supporting part, the at least one first supporting part and the at least one second supporting part are positioned on the first side, and the at least one third supporting part is positioned on the second side;
the at least one first driving element is configured on the base and bears against the at least one first supporting part;
the at least one second driving element is configured on the frame and bears against the at least one second supporting part, wherein the frame deflects relative to the base by the at least one first driving element and the at least one second driving element; and
the light-transmitting plate body is configured on the frame and bears against the at least one third supporting part.

US Pat. No. 10,890,831

GIMBAL STRUCTURE

SZ DJI OSMO TECHNOLOGY CO...

1. A gimbal structure comprising:an electric motor including an electric motor output shaft and an electric motor housing;
a gimbal shaft assembly coupled with the electric motor output shaft; and
a slidable lock mechanism arranged at one of the electric motor housing and the gimbal shaft assembly and configured to switch between an engaged state and a disengaged state;
wherein:
in the engaged state, the slidable lock mechanism engages with another one of the electric motor housing and the gimbal shaft assembly along an axial direction of the electric motor output shaft to limit rotation of the gimbal shaft assembly with rotation of the electric motor output shaft relative to the electric motor housing; and
in the disengaged state, the slidable lock mechanism disengages from the other one of the electric motor housing and the gimbal shaft assembly to release restriction between the gimbal shaft assembly and the electric motor to enable the gimbal shaft assembly to rotate with the electric motor output shaft relative to the electric motor housing to adjust an angle of the gimbal shaft assembly.

US Pat. No. 10,890,830

GIMBAL CONTROL METHOD, GIMBAL CONTROL APPARATUS, AND GIMBAL

SZ DJI OSMO TECHNOLOGY CO...

1. An apparatus for controlling a gimbal comprising:one or more processors individually or collectively configured to:
determine an operation mode of the gimbal according to a mode selection activation condition, the operation mode including a walk operation mode or a sensitive operation mode; and
in response to determining that the operation mode is the walk operation mode, control the gimbal to adjust attitude according to a preset association relation between an attitude change angle of the gimbal and a following angular velocity of the gimbal, the preset association relation including a function, and a positive slope of the function increasing with an increase of the attitude change angle of the gimbal.

US Pat. No. 10,890,829

MOVABLE OBJECT AND METHOD FOR MANUFACTURING PHOTOGRAPHING DEVICE

SZ DJI TECHNOLOGY CO., LT...

1. A movable object comprising:a body;
a photographing device including:
an image sensor;
a housing accommodating the image sensor;
a holder including an adjustor and configured to hold the image sensor, the adjustor being configured to adjust a least one of a position or an orientation of the image sensor;
a heat radiator including at least one of a recessed portion or a protruding portion on an outer surface of at least one side of the housing, the at least one side of the housing facing the body of the movable object; and
a heat conductor contacting the adjustor of the holder and an inner surface of the at least one side of the housing and configured to transmit heat generated by the image sensor to the housing;
a support member rotatably supporting the photographing device and configured to expose the at least one of the recessed portion or the protruding portion of the heat radiator; and
a propulsion system configured to propel the movable object.

US Pat. No. 10,890,828

IMAGING APPARATUS AND ACCESSORY

Canon Kabushiki Kaisha, ...

1. A mount apparatus, comprising:a mount portion;
a plurality of claw portions to be used for coupling by a bayonet coupling method;
a plurality of terminals that are disposed following a circumferential direction of the mount portion, and that are used for electrical connection;
a holding member configured to hold the plurality of terminals; and
a biasing unit configured to bias another claw portion which is engaged with a first claw portion of the plurality of claw portions in a direction parallel to a center axis of the mount portion,
wherein the holding member has a first tier and a second tier, where positions of holding the plurality of terminals differ in the direction parallel to the center axis,
wherein, among the plurality of terminals, the number of terminals held at the first tier is greater than the number of terminals held at the second tier,
wherein, in a case of viewing the mount portion from the direction parallel to the center axis of the mount portion, the biasing unit is located along the first claw portion of the mount portion, within an angle range in the circumferential direction of the mount portion,
wherein, in a case of viewing the mount portion from the direction parallel to the center axis of the mount portion, among the plurality of terminals on the first tier, a first terminal included in the plurality of terminals on the first tier is disposed further from the second tier than other terminals on the first tier, and
wherein an angle range where the first terminal has been disposed overlaps an angle range where the biasing unit has been disposed in the circumferential direction of the mount portion.

US Pat. No. 10,890,827

CAMERA ACCESSORY

NIKON CORPORATION, Tokyo...

1. A camera accessory, at which light from a subject enters, detachably mountable at a camera body, the camera accessory comprising:a communication unit that communicates with the camera body; and
a first storage unit that stores a discriminating information indicating whether or not another device capable of communicating with the camera body is mountable on a subject side of the camera accessory, wherein:
the communication unit transmits the discriminating information to the camera body, and
the communication unit receives from the camera body identification information assigned to the camera accessory mounted at the camera body.

US Pat. No. 10,890,826

DOMED PROTECTIVE CAP FOR CAMERA LENSES AND OTHER TUBULAR SHAPED OBJECTS

1. An apparatus for protecting tubular-shaped objects, comprising:a base member having an outer surface, an inner surface and an outer rim;
a sidewall extending rearwardly from the outer rim of the base member to a terminal end, the sidewall having an outer surface and an inner surface;
the inner surface of the base member and the inner surface of the sidewall defining a contiguous inner surface;
the outer surface of the base member and the outer surface of the sidewall defining a contiguous surface;
the contiguous outer surface having a first region and a second region; and
wherein a thickness of the first region is less than a thickness of the second region as measured between the contiguous outer surface and the contiguous inner surface;
wherein the thickness of the first region is between 50% and 95% of the thickness of the second region.

US Pat. No. 10,890,825

CAMERA SYSTEM

TDK TAIWAN CORP., Taoyua...

1. A camera system, comprising:a lens module, comprising:
a first lens, and
a lens barrel, for accommodating the first lens;
a photosensitive module, comprising:
a base; and
a photosensitive element, corresponding to the lens module and disposed on the base;
a fixed frame;
wherein the lens module and the photosensitive module are disposed on the fixed frame, and the lens barrel is made of material with a thermal expansion coefficient less than 50 (10-6/K @ 20° C.);
wherein the fixed frame further includes:
a side wall;
a first surface, located on the sidewall, wherein the lens module is disposed on the first surface; and
a second surface, disposed on a different plane from the first surface, and the photosensitive module is disposed on the second surface;
wherein the side wall is made of a material with a thermal expansion coefficient less than 50 (10-6/K @ 20° C.);
a connecting member, disposed between the lens module and the first surface; and
a second airtight adhesive component, disposed between the lens module and the first surface.

US Pat. No. 10,890,824

NONLINEAR CRYSTAL

M Squared Lasers Limited,...

1. A nonlinear crystal comprising:a first curved face and an opposing second curved face;
an optical axis for a fundamental optical field incident upon the first curved face being at an angle of ? with the optical axis;
an axis of rotation, wherein rotation of the nonlinear crystal about the axis of rotation allows for maintenance of a phase matching condition within the nonlinear crystal when a wavelength of the fundamental optical field is tuned, wherein the radius of curvature of the first and second curved faces are equal and centered on the axis of rotation thus providing the nonlinear crystal with rotational symmetry about at least one axis of the nonlinear crystal,
wherein the first curved face comprises a first section of a curved surface of a right circular cylinder and the second curved face comprises a second section of a curved surface of a right circular cylinder, wherein a normal to the first curved face is located at an angle of ?? with the optical axis and chosen such that the |?|+|?|=Brewster-angle (?) for the nonlinear crystal and a normal to the second curved surface is located at an angle of ? with the optical axis of the nonlinear crystal.

US Pat. No. 10,890,823

PITCH VARIABLE OPTICAL DEVICES AND SYSTEMS CONTAINING THE SAME

FACEBOOK TECHNOLOGIES, LL...

1. An optical device, comprising:an optical grating including two electrodes arranged opposite to each other and a liquid crystal (LC) composition sandwiched between the electrodes, the two electrodes providing a driving voltage to the optical grating,
wherein the LC composition includes:
a host LC; and
one or more LC dimers dissolved as a guest in the host LC, the host LC and the one or more LC dimers having respective dielectric anisotropies of opposite signs in nematic phase, and a net dielectric anisotropy of the LC composition being substantially neutral at a predetermined temperature.

US Pat. No. 10,890,822

MACH-ZEHNDER OPTICAL MODULATOR

FUJITSU LIMITED, Kawasak...

1. A Mach-Zehnder optical modulator comprising:a Mach-Zehnder interferometer that includes a first arm and a second arm formed on a silicon substrate;
a processor that generates a bias signal indicating bias current of the first arm and the second arm; and
a converter that converts the bias signal into the bias current,
the processor is configured to
control the bias current of the first arm and the bias current of the second arm respectively to be a first offset value,
repeatedly perform a current adjustment process to increase the bias current of the first arm until a gradient of a phase shift amount of the first arm with respect to the bias current of the first arm reaches a specified target value,
control the bias current of the second arm to be a second offset value that is smaller than the first offset value,
repeatedly perform the current adjustment process to increase the bias current of the first arm until a phase difference of the Mach-Zehnder interferometer reaches a specified target phase difference, and
output the bias signal indicating the bias current, and
the converter converts the bias signal into the bias current and supplies the bias current to the first arm and the second arm.

US Pat. No. 10,890,821

CONTROLLED SWITCHING FOR ELECTROCHROMIC DEVICES

SAGE Electrochromics, Inc...

1. An apparatus, comprising:an electrochromic device comprising:
at least two separate conductive layers, on opposite sides of an electrochromic (EC) stack; and
a short of the EC stack;
wherein:
the electrochromic device is structured to selectively switch from a first transmission level to a particular transmission pattern based at least in part on a voltage being applied to at least one of the at least two separate conductive layers, wherein the particular transmission pattern varies based at least in part on a distance from the short of the EC stack.

US Pat. No. 10,890,820

MULTI-PANE ELECTROCHROMIC WINDOWS

View, Inc., Milpitas, CA...

1. An electrochromic privacy window comprising:a first substantially transparent substrate having a first electrochromic device disposed thereon; and
a second substantially transparent substrate having a second electrochromic device disposed thereon;
wherein the first and second substantially transparent substrates are registered, one in front of the other, and the electrochromic privacy window is configured to transition the first electrochromic device and/or the second electrochromic device to a plurality of optical states for the electrochromic privacy window including a dark optical state for privacy;
wherein the electrochromic privacy window is configured to transition uniformly, substantially without curtaining effect, and
wherein the first and second electrochromic devices are entirely solid state.

US Pat. No. 10,890,819

ELECTROCHROMIC NANOPARTICLES AND METHOD FOR PRODUCING SAME

LG ELECTRONICS INC., Seo...

1. A method for producing electrochromic nanoparticles having a core-shell structure, the method comprising:preparing a core;
coating a glass or polymer substrate provided with a transparent electrode with the core; and
adsorbing different types of electrochromic materials on a surface of the core coated on the substrate,
wherein the electrochromic materials have different absorption spectra,
wherein the electrochromic materials comprise a first electrochromic material having a maximum absorption wavelength of 450 nm to 510 nm, a second electrochromic material having a maximum absorption wavelength of 520 nm to 580 nm, and a third electrochromic material having a maximum absorption wavelength of 590 nm to 650 nm, and
wherein the adsorbing of the electrochromic materials comprises immersing the substrate coated with the core in a mixed solution of the first to third electrochromic materials.

US Pat. No. 10,890,818

PIXEL STRUCTURE

Au Optronics Corporation,...

1. A pixel structure, comprising:a scan line and a data line located on a first substrate;
an active device, electrically connected to the scan line and the data line;
a pixel electrode, electrically connected to the active device; and
a conductive strip-shaped pattern, correspondingly disposed over the data line, wherein the conductive strip-shaped pattern has an opening, and a vertical projection of the opening on the first substrate is disposed within a vertical projection of the data line on the first substrate.
wherein the opening is an enclosed opening.

US Pat. No. 10,890,817

DISPLAY DEVICE

Japan Display Inc., Mina...

1. A display device comprising:a first electrode;
a second electrode spaced from the first electrode;
a first wiring electrically connected to the first electrode;
a second wiring electrically connected to the second electrode; and
a controller electrically connected to the first wiring and the second wiring,
wherein the first electrode and the second electrode are located in a display area,
the first electrode is connected to the first wiring in a position away from the controller than the second electrode,
the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and
a number of the first wiring is greater than a number of the second wiring.

US Pat. No. 10,890,816

DISPLAY DEVICE

LG DISPLAY CO., LTD., Se...

1. A display device comprising:a display panel having a first display area and a second display area and configured to display an image in the first and second display areas;
a plurality of first gate lines located on the display panel corresponding to the first display area;
a plurality of second gate lines separated from the first gate lines and located on the display panel corresponding to the second display area;
a plurality of first data lines provided on the display panel corresponding to the first display area to cross the first gate lines and defining a plurality of first pixel areas configuring the first display area;
a plurality of second data lines provided on the display panel corresponding to the second display area to cross the second gate lines and defining a plurality of second pixel areas configuring the second display area;
a plurality of first thin film transistors at intersections between the first gate lines and the first data lines; and
a plurality of second thin film transistors at intersections between the second gate lines and the second data lines,
wherein the first gate lines and the second gate lines are separated from each other by a predetermined distance that is smaller than a width of each pixel area of the plurality of first pixel areas or the plurality of second pixel areas,
wherein each of the first thin film transistors is disposed at a right side of the first data lines, and each of the second thin film transistors is disposed at a left side of the second data lines, and
wherein the first pixel areas and the second pixel areas have the same size, and the first gate lines and the second gate lines are separated from each other by the predetermined distance in a diagonal direction.

US Pat. No. 10,890,815

DISPLAY APPARATUS

SHARP KABUSHIKI KAISHA, ...

1. A display apparatus comprising:a liquid crystal layer that includes liquid crystal molecules;
a plurality of domains that are different in alignment direction of the liquid crystal molecules when a voltage is applied to the liquid crystal layer;
an alignment boundary portion that is positioned in a boundary of the plurality of domains;
an alignment film that aligns the liquid crystal molecules;
a pixel electrode;
a connection portion that is connected to the pixel electrode and arranged so as to be overlapped with at least a part of the alignment boundary portion; and
a capacitor forming portion that is arranged so as to be partially overlapped with a part of the connection portion with an insulating film in between and forms electrostatic capacitance between the capacitor forming portion and the connection portion, wherein
the connection portion and the capacitor forming portion extend along at least a part of the alignment boundary portion, have respective non-overlapping portions in which the connection portion and the capacitor forming portion are not overlapped with each other in a crossing direction that crosses an extension direction of the connection portion and the capacitor forming portion, and are provided so that arrangement of the non-overlapping portions in the crossing direction is switched between one side and another side in the extension direction.

US Pat. No. 10,890,814

DISPLAY HAVING DUMMY SUB-PIXELS WITH DUMMY COLOR RESISTS

AU OPTRONICS CORPORATION,...

1. A pixel structure substrate, comprising:a first substrate, having a display area and a periphery area, wherein the periphery area is located adjacent to an edge of the display area;
a first dummy pixel, disposed on the periphery area, comprising a first dummy sub-pixel, a second dummy sub-pixel, and a third dummy sub-pixel;
a plurality of sub-pixel units, disposed on the display area, wherein each of the sub-pixel units comprises one active element and one pixel electrode, the pixel electrode is electrically connected to the active element, and the active element is electrically connected to one corresponding signal line;
a plurality of first color resists, disposed on at least some of the sub-pixel units;
a plurality of second color resists, disposed on at least some of the sub-pixel units;
a plurality of third color resists, disposed on at least some of the sub-pixel units;
a peripheral drive circuit, disposed on the periphery area, comprising one drive element;
a first dummy color resist, disposed in the first dummy sub-pixel;
a second dummy color resist, disposed in the second dummy sub-pixel, wherein the third dummy sub-pixel of the first dummy pixel does not comprise any dummy color resists; and
a transfer electrode, disposed in the first dummy pixel, wherein the drive element of the peripheral drive circuit is electrically connected to a first corresponding signal line via the transfer electrode;
wherein the first color resists, the second color resists, the third color resists are in different colors.

US Pat. No. 10,890,813

ELECTRONIC DEVICE HAVING A FIRST ELECTRONIC COMPONENT AND A SECOND ELECTRONIC COMPONENT CONNECTED BY WIRING, AND MANUFACTURING METHOD THEREFOR

OMRON Corporation, Kyoto...

1. An electronic device, wherein a first electronic component includes an upper member that is mounted in a convex shape on a wiring substrate having an external connection terminal and a second electronic component associated with an operation of the first electronic component is connected to the first electronic component by a wiring,wherein the external connection terminal of the first electronic component and an electrode of the second electronic component are positioned on the same surface and are embedded in a resin molded body, and upper surfaces of the external connection terminal and the electrode of the second electronic component are exposed by a hole of the resin molded body and are configured at a bottom surface of the hole,
wherein a depth of the hole of the resin molded body has a same thickness as that of the upper member, and a topmost part of the hole of the resin molded body is coplanar with a topmost part of the upper member.

US Pat. No. 10,890,812

LIQUID CRYSTAL DISPLAY DEVICE

Japan Display Inc., Toky...

1. A liquid crystal display device comprising:a TFT substrate including gate lines, video signal lines, a pixel electrode having a first pixel electrode and a second pixel electrode, a common electrode having a first part and a second part separated from the first part, and metal lines overlapping the video signal lines;
a counter substrate opposed to the TFT substrate; and
a liquid crystal between the TFT substrate and the counter substrate, wherein
one of the gate lines is between the first pixel electrode and the second pixel electrode,
the first part overlaps the first pixel electrode and the second part overlaps the second pixel electrode,
a region between the first part and the second part extends along a direction in which the gate lines extend,
the first part and the second part are electrically connected through one of the metal lines, and
one of the video signal lines has a portion which does not overlap with the metal lines in a plan view.

US Pat. No. 10,890,811

LIQUID CRYSTAL DISPLAY DEVICE

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

1. A liquid crystal display (LCD) device, comprising:first to fourth gate lines sequentially spaced apart from each other in parallel;
first and second data lines configured to intersect the first to fourth gate lines and define a first pixel region and a second pixel region;
a first electrode and a second electrode included in each of the first pixel region and the second pixel region;
a first thin film transistor (TFT) connected to the second gate line and the first data line and configured to supply a first data voltage to the first electrode in the first pixel region;
a second TFT connected to the second gate line and the second data line and configured to supply a second data voltage having a level opposite the first data voltage to the second electrode in the first pixel region;
a third TFT connected to the fourth gate line and the first data line and configured to supply the first data voltage to the second electrode in the second pixel region;
a fourth TFT connected to the fourth gate line and the second data line and configured to supply the second data voltage to the first electrode in the second pixel region;
a third data line configured to intersect the first to fourth gate lines and define a third pixel region and a fourth pixel region;
a first electrode and a second electrode included in each of the third pixel region and the fourth pixel region;
a fifth TFT connected to the first gate line and the second data line and configured to supply the second data voltage to the first electrode in the third pixel region;
a sixth TFT connected to the first gate line and the third data line and configured to supply a third data voltage having a level opposite the second data voltage to the second electrode in the third pixel region;
a seventh TFT connected to the third gate line and the second data line and configured to supply the second data voltage to the second electrode in the fourth pixel region; and
an eighth TFT connected to the third gate line and the third data line and configured to supply the third data voltage to the first electrode in the fourth pixel region,
wherein the first pixel region, including the first TFT and the second TFT, and the third pixel region, including the fifth TFT and the sixth TFT, are in a first pixel row,
wherein the second pixel region, including the third TFT and the fourth TFT, and the fourth pixel region, including the seventh TFT and the eighth TFT, are in a second pixel row,
wherein each of the first through fourth pixel regions is configured to display a respective pixel output,
wherein each of the first to eighth TFTs includes a gate electrode, and a source electrode and a drain electrode which are spaced apart from each other and formed above the gate electrode,
wherein each of the drain electrodes of the first to eighth TFTs is connected to the corresponding first electrode or second electrode,
wherein the drain electrodes of the first to eighth TFTs include first to third drain electrodes,
wherein each of the first to third drain electrodes includes an extending portion and a connecting portion which contacts the corresponding first electrode or second electrode,
wherein the extending portion of the first drain electrode has a first width and a first length and the connecting portion thereof has a first area,
wherein the extending portion of the second drain electrode has the first width and a second length greater than the first length and the connecting portion thereof has a second area smaller than the first area,
wherein the extending portion of the third drain electrode has the first width and the first length and the connecting portion thereof has a third area greater than the second area and has a shape different from the connecting portion of the first drain electrode,
wherein areas of portions including the extending portions and the connecting portions of the first to third drain electrodes are the same,
wherein each of the drain electrodes of the first and second TFTs is the first drain electrode and is connected to each of the first electrode and the second electrode in the first pixel region, and
wherein the drain electrode of the third TFT is the second drain electrode and is connected to the second electrode in the second pixel region, and the drain electrode of the fourth TFT is the third drain electrode and is connected to the first electrode in the second pixel region.

US Pat. No. 10,890,810

DISPLAY DEVICE AND HEAD-MOUNTED DISPLAY

SHARP KABUSHIKI KAISHA, ...

7. A display device comprising:a pair of substrates bonded to each other;
a plurality of pixels arranged in each of a first direction and a second direction perpendicular to each other in a plane of the substrates;
an inter-pixel light blocking portion which includes at least one first partition portion partitioning the pixels arranged in the first direction and at least one second partition portion partitioning the pixels arranged in the second direction, and which blocks light between adjacent pixels;
a spacer disposed between the pair of substrates;
a spacer non-arranged portion which is included in the first partition portion and in which the spacer is not arranged; and
a spacer arranged portion which is included in the first partition portion and in which the spacer is arranged, wherein:
the spacer arranged portion has a formation area straddling the second partition portion with respect to the second direction, and is wider than the spacer non-arranged portion;
the spacer arranged portion has a dimension with respect to the first direction which is equal to or greater than a size corresponding to the sum of a dimension of the pixels with respect to the first direction and a dimension with respect to the first direction of a pair of the first partition portions sandwiching the pixels with respect to the first direction;
the dimension of the spacer arranged portion with respect to the first direction is greater than the size corresponding to the sum of the dimension of the pixels with respect to the first direction and the dimension with respect to the first direction of the pair of the first partition portions sandwiching the pixels with respect to the first direction;
among the plurality of pixels, the pixels which are adjacent with respect to the second direction to the spacer arranged portion having the spacer arranged therein is displaced by an amount with respect to the first direction from the pixels which are adjacent thereto with respect to the second direction and which are adjacent with respect to the first direction to the spacer arranged portion with respect to the first direction; and
the amount of displacement is a difference between the dimension of the spacer arranged portion with respect to the first direction and the size corresponding to the sum of the dimension of the pixels with respect to the first direction and the dimension with respect to the first direction of the pair of the first partition portions sandwiching the pixels with respect to the first direction.

US Pat. No. 10,890,809

DISPLAY SUBSTRATE AND DISPLAY DEVICE

BEIJING BOE OPTOELECTRONI...

1. A display substrate, comprising:a display region and a non-display region located at a periphery of the display region, wherein the non-display region comprises a plurality of conductive poles arranged on a base substrate, and the plurality of conductive poles is grounded and is distributed at the periphery of the display region to transfer static electricity out,
wherein the display region comprises a black matrix arranged on the base substrate and configured to define a plurality of pixel regions,
wherein the non-display region further comprises a light-shielding structure arranged in a same layer as the black matrix, the light-shielding structure is arranged around the display region, the light-shielding structure is provided with at least two annular grooves, each of the at least two grooves is arranged around the periphery of the display region, a first conductive layer covers a surface of a portion of the light-shielding structure between the adjacent two grooves of the at least two annular grooves, and the first conductive layer is grounded for transferring the static electricity out,
wherein in a direction from the non-display region to the display region, one of the plurality of conductive poles, a first groove of the at least two grooves, the first conductive layer, a second groove of the at least two grooves are arranged in sequence; and
orthographic projections of the plurality of conductive poles onto the base substrate, an orthographic projection of the first groove onto the base substrate, an orthographic projection of the first conductive layer onto the base substrate, and an orthographic projection of the second groove onto the base substrate do not overlap with each other.

US Pat. No. 10,890,808

CELL ASSEMBLY, DISPLAY PANEL AND DISPLAY DEVICE

HKC CORPORATION LIMITED, ...

1. A cell assembly, comprising:a first substrate; and
a second substrate, arranged opposite to and spaced apart from the first substrate;
wherein, the first substrate comprises:
a color resist layer, provided with a first support protruding therefrom; and
a first passivation layer, covering the color resist layer, wherein the first passivation layer and the first support together form a first support assembly, and the first support assembly is in surface contact with the second substrate;
a sealant, filled in a gap between the first substrate and the second substrate;
wherein the first support assembly is arranged within a coating area of the sealant;
wherein a surface of the first support assembly is covered with a first conductive layer;
a second support protruding from the color resist layer; and
wherein the first support, the second support, and the color resist layer are thrilled as a whole;
wherein the first substrate further comprises:
a first substrate layer;
a metal wire, arranged on a surface of the first substrate layer;
an insulation layer, arranged on a surface of the metal wire and a surface of the first substrate layer exposed out of the metal wire; and
a second passivation layer, arranged on a surface of the insulation layer and configured for connecting the color resist layer;
wherein the first substrate defines therein a contact hole; the contact hole is arranged within the coating area of the sealant; the contact hole passes through the first passivation layer, the color resist layer, the insulation layer, and the second passivation layer and is configured to allow the first conductive layer to pass therethrough into electrical connection with the metal wire; and
wherein the second support is located in the contact hole; the second support and the first passivation layer together form a second support assembly; the second support assembly is in surface contact with the second substrate; and the first conductive layer further covers the second support assembly.

US Pat. No. 10,890,807

DISPLAY SUBSTRATE, MANUFACTURING METHOD OF THE DISPLAY SUBSTRATE, AND DISPLAY PANEL

HKC Corporation Limited, ...

1. A display panel, comprising a first substrate and a second substrate facing to the first substrate, wherein both of the first substrate and the second substrate comprise:a transparent substrate, comprising a side surface and an edge;
a transparent electrode layer, formed on the side surface of the transparent substrate and covering the full side surface; and
an alignment layer, formed on the transparent electrode layer and covering the full surface of the transparent electrode layer;
wherein the alignment layer comprises:
a connecting region, defined as a region where the alignment layer extends inward from the edge by a first preset width;
a photosensitive region, defined as a region where the alignment layer extends inward from the edge by a second preset width, wherein the photosensitive region comprises photosensitive material, and the first preset width is less than or equal to the second preset width;
wherein the transparent electrode layers of the first substrate and the second substrate are defined face to face and the connecting region of the first substrate and the connecting region of the second substrate are connected by a frame sealant.

US Pat. No. 10,890,806

TRANSMITTANCE VARIABLE FILM, MANUFACTURING METHOD AND USE THEREOF

LG Chem, Ltd.

1. A transmittance variable film comprisinga first substrate member comprising a first electrode film, a first alignment film formed on the first electrode film, and ball spacers fixed to the first alignment film,
a second substrate member comprising a second electrode film and a second alignment film formed on the second electrode film, wherein the second alignment film has a pre-tilt angle of 0.2 to 89 degrees, and
a liquid crystal layer formed between the first alignment film and the second alignment film,
wherein the first alignment film has a surface roughness of 3 nm to 100 nm,
wherein the first alignment film comprises an alignment film material and nanoparticles, wherein the nanoparticles have an average particle diameter from 1 nm to less than 1000 nm.

US Pat. No. 10,890,805

LIQUID CRYSTAL DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A liquid crystal display device comprising in the following order from a viewing surface side:a first polarizer;
an out-cell retardation layer;
a first substrate;
an in-cell retardation layer;
a horizontally aligned liquid crystal layer;
a second substrate; and
a second polarizer,
the liquid crystal display device further comprising a viewing angle compensation film between the first polarizer and the out-cell retardation layer or between the second substrate and the second polarizer,
the out-cell retardation layer being a laminate including in the following order from a viewing surface side: a first retardation layer having an NZ coefficient of 1.0 or greater and 1.1 or smaller and an in-plane retardation of 120 nm or greater and smaller than 137.5 nm; and a second retardation layer having an in-plane retardation of 0 nm or greater and 10 nm or smaller and a thickness retardation of 80 nm or greater and 150 nm or smaller,
the in-cell retardation layer being a third retardation layer having an NZ coefficient of 0.7 or greater and 1.4 or smaller and an in-plane retardation of 120 nm or greater and smaller than 137.5 nm,
wherein the viewing angle compensation film is disposed between the first polarizer and the out-cell retardation layer, and
the in-plane retardation of the first retardation layer Re(A1), the NZ coefficient of the first retardation layer NZ(A1), and the thickness retardation of the second retardation layer Rth(C1) satisfy a relation expressed by the following Formula 1:
P?10?Rth(C1)?P+10  (Formula 1)
wherein P satisfies a relation expressed by the following Formula P1:
P=Re(A1)?(Re(A1)/NZ(A1)?95)?(120?Re(A1))  (Formula P1).

US Pat. No. 10,890,804

DISPLAY APPARATUS

Japan Display Inc., Toky...

1. A display apparatus comprising:a first light-transmissive substrate having a first side surface and a second side surface opposite to the first side surface;
a plurality of pixel electrodes arranged on the first light-transmissive substrate;
a second light-transmissive substrate arranged to face the first light-transmissive substrate and having a first side surface and a second side surface opposite to the first side surface;
a common electrode formed on the second light-transmissive substrate;
a liquid crystal layer including polymer dispersed liquid crystals sealed between the first light-transmissive substrate and the second light-transmissive substrate;
a light-emitting device arranged to face the first side surface of the second light-transmissive substrate at a light source side;
a gap disposed between the light-emitting device and the first side surface of the second light-transmissive substrate at the light source side, the gap being an air gap; and
a reflector that covers both the second side surface of the first light-transmissive substrate and the second side surface of the second light-transmissive substrate at an opposite side of the light source side,
wherein the first light-transmissive substrate is larger than the second light-transmissive substrate in a plan view,
a first light-emitting device is the light-emitting device, and arranged to face the first side surface of the second light-transmissive substrate, the first side surface being on an opposite side of the second side surface of the second light-transmissive substrates,
a first reflector is the reflector, and arranged to cover both the second side surface of the first light-transmissive substrate and the second side surface of the second light-transmissive substrate,
a second reflector is further arranged to cover both a third side surface of the first light-transmissive substrate and a third side surface of the second light-transmissive substrate,
a second light-emitting device is further arranged to face a fourth side surface of the second light-transmissive substrate, the fourth side surface being on an opposite side of the third side surface of the second light-transmissive substrates, and
the first light-emitting device and the second light-emitting device are located fully within the first light-transmissive substrate in the plan view.

US Pat. No. 10,890,803

HEAD-UP DISPLAY

DENSO International Ameri...

1. A head-up display assembly comprising:a printed circuit board including a plurality of light emitting elements;
a display element illuminated by the plurality of light emitting elements;
a total internal reflection (TIR) lens array between the printed circuit board and the display element including a plurality of TIR lenses, each one of the plurality of TIR lenses is aligned with a different one of the plurality of light emitting elements to reflect and refract light emitted by the plurality of light emitting elements to the display element to illuminate the display element; and
a lenslet between the TIR lens array and the display element, the lenslet including a first side facing the display element and a second side facing the TIR lens array, at least one of the first side and the second side including a plurality of horizontal lenses or a plurality of vertical lenses configured to evenly distribute light from the TIR lens array across an eyebox generated by the head-up display and balance luminous uniformity and luminous intensity across the eyebox;
wherein distribution of light across the eyebox is controlled by varying at least one of radii of the horizontal lenses, radii of the vertical lenses, and height of the horizontal lenses.

US Pat. No. 10,890,802

OPTICAL LENS, BACKLIGHT MODULE AND DISPLAY DEVICE USING SAME

ADVANCED OPTOELECTRONIC T...

1. A optical lens, comprising:a bottom surface defining a receiving space for receiving a light emitting element;
a top surface opposite to the bottom surface;
at least one inclined surface extending from an outer periphery of the bottom surface toward the top surface; and
a light-emitting surface coupling to and located between the inclined surface and the top surface, wherein the inclined surface and the bottom surface intersect to form an obtuse angle;
wherein the optical lens comprises a body portion and a base connected to the body portion, the bottom surface being a surface of the base away from the body portion, and the top surface being a surface of the body portion away from the base;
the base comprises a plurality of protrusions protruding from the body portion and spaced apart from each other, and at least one of the plurality of protrusions is formed with the inclined surface.

US Pat. No. 10,890,801

BACKLIGHT MODULE, DISPLAY DEVICE AND FABRICATING METHOD FOR BACKLIGHT MODULE

Beijing BOE Display Techn...

1. A backlight module, comprising:a first substrate having a first surface and a second surface opposite to each other;
a plurality of light emitting units arranged in an array on the first surface of the first substrate;
a metal wire grid polarizer on the second surface of the first substrate; and
a driving circuit,
wherein the driving circuit is electrically connected to the plurality of light emitting units and is configured to drive the plurality of light emitting units to emit light toward the first substrate,
wherein the driving circuit is between the first substrate and the plurality of light emitting units,
wherein the driving circuit comprises transparent regions and non-transparent regions arranged in an array, and
wherein the plurality of light emitting units are in the transparent regions of the driving circuit.

US Pat. No. 10,890,800

DISPLAY APPARATUS

SAMSUNG ELECTRONICS CO., ...

1. A display apparatus comprising:a light emitting module configured to emit light;
a first prism sheet provided on the light emitting module;
a reflective polarizing sheet provided on the first prism sheet, the reflective polarizing sheet being configured to transmit first light of the light exiting the first prism sheet and reflect second light of the light exiting the first prism sheet, the first light having a first polarization and the second light having a second polarization different from the first polarization;
a second prism sheet provided on the reflective polarizing sheet and configured to receive the light transmitted by the reflective polarizing sheet, the second prism sheet comprising a plurality of second prism sheets laminated in a vertical direction; and
a liquid crystal panel provided on the second prism sheet, the liquid crystal panel comprising a liquid crystal cell, a first polarizing sheet provided on a first side of the liquid crystal cell, and a second polarizing sheet provided between the second prism sheet and a second side of the liquid crystal cell opposite to the first side of the liquid crystal cell,
wherein the second prism sheet is configured to control a transmission angle at which the light exiting the reflective polarizing sheet is transmitted by the liquid crystal cell.

US Pat. No. 10,890,799

LIQUID CRYSTAL APPARATUS AND ELECTRONIC DEVICE

SEIKO EPSON CORPORATION, ...

3. A liquid crystal apparatus comprising:a first substrate;
a second substrate disposed facing the first substrate; and
a liquid crystal layer disposed between the first substrate and the second substrate, wherein
the first substrate includes
a pixel electrode disposed in the first substrate,
a switching element disposed between the first substrate and the pixel electrode,
a first microlens disposed between the first substrate and the switching element,
a second microlens disposed between the first microlens and the switching element, and
a third microlens disposed between the switching element and the pixel electrode, such that the first microlens is disposed further toward an incident side of light than both the second microlens and the third microlens, and the second microlens is disposed further toward an incident side of light than the third microlens,
the first substrate is disposed further toward an incident side of light than the second substrate, and
a relationship between a lens power of the first microlens, a lens power of the second microlens, and a lens power of the third microlens is that the lens power of the first microlens is greater than or equal to the lens power of the second microlens, and the lens power of the second microlens is greater than or equal to the lens power of the third microlens.

US Pat. No. 10,890,798

LIQUID CRYSTAL DISPLAY PANEL AND MANUFACTURING METHOD THEREOF

WUHAN CHINA STAR OPTOELEC...

1. A liquid crystal display panel, comprising:a display area;
a non-display area surrounding the display area;
an array substrate; and
a color filter substrate disposed opposite to the array substrate;
wherein the color filter substrate comprises:
a first substrate;
a first black matrix disposed on the first substrate; and
a color resist layer disposed on the first substrate;
wherein the color resist layer comprises:
a first color resist area corresponding to the display area; and
a second color resist area corresponding to the non-display area;
wherein the second color resist area comprises a first color resist and a second color resist, wherein the second color resist is disposed on the first color resist, and the first color resist and second color resist are disposed between two adjacent first black matrixes;
wherein a thickness of the first color resist is equal to a thickness of the second color resist;
wherein the first color resist is a Y-shaped first color resist;
wherein the first color resist and the second color resist have different colors;
wherein the first color resist is one of a red color resist block, a green color resist block, and a blue color resist block; and
the second color resist is another one of the red color resist block, the green color resist block, and the blue color resist block, and the second color resist is different from the first color resist.

US Pat. No. 10,890,797

ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS

SEIKO EPSON CORPORATION, ...

1. An electro-optical device comprising:an electro-optical panel including a first substrate;
a second substrate facing the first substrate;
an electro-optical layer disposed between the first substrate and the second substrate; and
a polarization separation element disposed at an emission side of a light of the first substrate,
wherein:
the second substrate includes a first light-shielding layer in a peripheral region surrounding a display region,
the first substrate includes, in the peripheral region surrounding the display region, a second light-shielding layer, a third light-shielding layer, and a translucent region, the third light-shielding layer being disposed between the second light-shielding layer and the first light-shielding layer, and the translucent region overlapping neither the second light-shielding layer nor the third light-shielding layer between a first edge of a first light-shielding portion of the third light-shielding layer that is not overlapping a first edge of a first light-shielding portion of the second light shielding layer and a second edge of a second light-shielding portion of the second light-shielding layer that is not overlapping a second edge of a second light-shielding portion of the third light-shielding layer, in a plan view from the first substrate side, and
W<(d1×tan ?+d2×tan ?), ? being a reflection angle of the light when the light reflects at the polarization separation element and reflects at the first light-shielding layer, W being a maximum width of the translucent region, d1 being a thickness between an end portion of the first edge of the first light-shielding portion of the third light-shielding layer at a side opposite to the first light-shielding layer and the first light shielding layer, and d2 being a thickness between an end portion of the second edge of the second light-shielding portion of the second light-shielding layer at a side opposite to the first light-shielding layer and the first light-shielding layer.

US Pat. No. 10,890,796

ELECTRONIC DEVICE INCLUDING EMISSIVITY CONTROL LAYER

Samsung Electronics Co., ...

1. An electronic device comprising:a circuit board including at least one electronic component;
a housing accommodating the circuit board;
an emissivity control layer configurable to selectively transmit radiant heat generated by the electronic component; and
a temperature controller configured to control an amount of the radiant heat transmitted to the housing by adjusting emissivity of the emissivity control layer,
wherein the temperature controller adjusts the emissivity of the emissivity control layer to a first range value in response to the electronic device being in an idle state, and adjusts the emissivity of the emissivity control layer to a second range value, lower than the first range value, in response to the electronic device being in a busy state.

US Pat. No. 10,890,795

TOUCH DISPLAY DEVICE

SHANGHAI TIANMA MICRO-ELE...

1. A touch display device, comprising:an upper substrate, comprising an upper base substrate, a touch detection structure and a plurality of pixel units arranged in a matrix, each of the plurality of pixel units comprising a switch element and a pixel electrode;
a lower substrate, comprising a common electrode and a reflection layer, the reflection layer being used for reflecting external light; and
a liquid crystal layer, placed between the upper substrate and the lower substrate,
wherein the upper substrate is arranged above the lower substrate, and the lower substrate is arranged below the liquid crystal layer;
wherein the external light is from an exterior of the touch display device and sequentially emitting to the upper substrate and the liquid crystal layer and then being incident to the reflection layer;
wherein the touch detection structure is arranged between the upper base substrate and the plurality of pixel units, the plurality of pixel units is arranged between the touch detection structure and the liquid crystal layer, and the liquid crystal layer is arranged between the plurality of pixel units and the reflection layer;
wherein an orthographic projection of the common electrode onto the upper substrate covers an entirety of an orthographic projection of each of the plurality of pixel units onto the upper substrate; and
wherein the upper substrate further comprises a black matrix located between the switch element and the upper base substrate.

US Pat. No. 10,890,794

DISPLAY DEVICE

HON HAI PRECISION INDUSTR...

1. A display device, comprising:a backlight module;
a display panel comprising a display surface; and
a camera on a side of the display panel away from the display surface,
wherein the display device defines a display area for displaying images and a light transmission area surrounded by the display area, and the camera is in the light transmission area to collect image information through the light transmission area;
wherein the display panel is on a side of the backlight module from which light exits, the backlight module defines a mounting hole extending through the backlight module, the mounting hole is in the light transmission area, and the camera is in the mounting hole;
the display panel comprises an array substrate, a color filter substrate opposite to the array substrate, and a liquid crystal layer between the array substrate and the color filter substrate;
the array substrate comprises a thin film transistor layer, the thin film transistor layer is in the display area and is not in the light transmission area;
the liquid crystal layer is in the display area and the light transmission area;
the color filter substrate comprises a first substrate, a black matrix and a filter layer, the black matrix and the filter layer are on a surface of the first substrate close to the liquid crystal layer, the black matrix and the filter layer are in the display area, and are not in the light transmission area;
the color filter substrate further comprises a transparent protective layer, a projection of the transparent protective layer on the array substrate covers the display area and the light transmission area;
a portion of the transparent protective layer in the light transmission area is on the surface of the first substrate close to the liquid crystal layer, a portion of the transparent protective layer in the display area covers the black matrix and the filter layer and is in direct contact with the black matrix and the filter layer, and the transparent protective layer defines a recess toward the first substrate aligning with the light transmission area.

US Pat. No. 10,890,793

LIQUID CRYSTAL FILM CELL AND USE THEREOF

LG Chem, Ltd.

1. A liquid crystal film cell, comprising:a first base film;
a first electrode;
a liquid crystal layer capable of switching between a horizontal orientation state and a vertical orientation state upon application of an external voltage;
a second electrode;
a second base film; and
an expansion control layer,
wherein the first base film, the first electrode, the liquid crystal layer, second electrode, and the second base film are arranged sequentially,
wherein the first and second electrodes deliver the external voltage to the liquid crystal layer,
wherein the first base film having an outer surface and an inner surface, the inner surface being arranged between the first base film and the first electrode,
wherein the expansion control layer directly contacts the outer or inner surface of the first base film, the expansion control layer being disposed between the first base film and the first electrode when disposed on the inner surface, the expansion control layer having an expansion coefficient at a temperature of 25° C. to 120° C. different from that of the first base film which the expansion control layer directly contacts, and
wherein when the expansion control layer directly contacts the outer surface of the first base film, the first electrode directly contacts the inner surface of the first base film, and when the expansion control layer directly contacts the inner surface of the first base film, the first electrode directly contacts the expansion control layer.

US Pat. No. 10,890,792

AUTO DARKENING FILTER CAPABLE OF ACHIEVING HIGH LIGHT-SHIELDING NUMBER

Tecmen Electronics Co., L...

9. A welding mask assembly, comprising:an auto darkening filter comprising:
a first positive liquid crystal and a second positive liquid crystal;
a first liquid crystal control circuit configured to control the first positive liquid crystal and the second positive liquid crystal based on a first control signal;
a negative-phase liquid crystal disposed between the first positive liquid crystal and the second positive liquid crystal;
a second liquid crystal control circuit configured to control the negative-phase liquid crystal based on a second control signal;
UV/IR filter configured to filter a welding arc;
a light control circuit configured to detect a light intensity of the welding arc, generate a corresponding control signal based on the detected light intensity of the welding arc and output the control signal to a main control circuit; and
the main control circuit connected with the light control circuit, the first liquid crystal control circuit and the second liquid crystal control circuit respectively, and configured to output the first and second control signals to the first liquid crystal control circuit and the second liquid crystal control circuit, respectively, to control the first liquid crystal control circuit and the second liquid crystal control circuit to output different voltages to (i) the first and second positive liquid crystals and (ii) the negative-phase liquid crystal, respectively.

US Pat. No. 10,890,791

LIGHT CONTROL DEVICE

TOPPAN PRINTING CO., LTD....

1. A light control device comprising:a light control element including a first layer stack and a second layer stack which include electrodes provided on base members, respectively, and a liquid crystal layer sandwiched between the first and second layer stacks;
a first switching element connected between an AC power supply and the light control element;
a first comparator that detects whether or not the AC power supply is higher than a first voltage that is higher than 0 V and is lower than a maximum value of the AC power supply; and
a control circuit that performs PWM (pulse width modulation) control or PFM (pulse frequency modulation) control on the first switching element if the AC power supply is higher than the first voltage.

US Pat. No. 10,890,790

REPAIRING METHOD FOR ABNORMAL PIXEL SPOTS OF DISPLAY PANEL AND DISPLAY DEVICE

HKC CORPORATION LIMITED, ...

1. A repairing method for abnormal pixel spots of a display panel, comprising the following steps:installing a polarizing plate on a display panel;
finding and marking abnormal pixel spots on the polarizing plate;
irradiating the abnomial pixel spots by using specific light rays to form a shading portion to reduce a luminous flux;
the polarizing plate successively comprising a first film layer, a polarizing layer, a second film layer and a pressure sensitive adhesive layer from outside to inside;
the display panel comprising a first substrate and a second substrate, installing an active switch on the first substrate, and a step of finding and marking the abnormal pixel spots on the polarizing plate comprising:
finding and marking first reference abnormal pixel bright spots on the first substrate:
finding and marking second reference abnormal pixel bright spots on a filter position;
finding and marking abnormal pixel bright spots corresponding to the polarizing plate through the first reference abnormal pixel bright spots and the second reference abnormal pixel bright spots;
a step of irradiating the abnormal pixel spots by using specific light rays to form a shading portion to reduce a luminous flux comprising: processing the polarizing layer by using the specific light rays, and changing optical polarization structures at the abnormal pixel spots corresponding to the polarizing plate to form the shading portion;
the polarizing plate, comprising a first polarizing plate disposed on a light-emitting surface of the display panel and a second polarizing plate disposed on a light-entry surface of the display panel;
a step of processing the polarizing layer by using the specific light rays and changing optical polarization structures at the abnormal pixel spots to form the shading portion comprising: processing the polarizing layer of the first polarizing plate by using the specific light rays and changing the optical polarization structures at the abnormal pixel spots to form the shading portion; and
the specific light rays comprising low-wavelength infrared rays or picosecond laser or ultraviolet light, wherein luminous flux of repaired optical polarization structures at the abnormal pixel bright spots is equal to luminous flux of original optical polarization structures.

US Pat. No. 10,890,789

MASK AND MANUFACTURING METHOD THEREOF AS WELL AS DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A mask, comprising a transmittable substrate and a mask pattern formed on the transmittable substrate, wherein a transmittance of the transmittable substrate decreases gradually from an edge to a center,wherein the transmittable substrate comprises a transparent substrate with a uniform transmittance and a compensation layer coated on the transparent substrate, a transmittance of the compensation layer decreases gradually from the edge to the center, and the mask pattern is formed at one side of the transparent substrate, the compensation layer is coated on the other side of the transparent substrate, and
wherein a material of the compensation layer comprises at least one of polypropylene, polyethylene, polyvinyl chloride, or polyethylene terephthalate.

US Pat. No. 10,890,788

OPTICAL WAVEGUIDE DEVICE MODULE

Sumitomo Osaka Cement Co....

1. An optical waveguide device module, comprising:an optical waveguide device having a substrate having an electro-optic effect, an optical waveguide formed on the substrate, and a control electrode for controlling a light wave propagating through the optical waveguide; and
a connection substrate that is provided outside the optical waveguide device and has a wiring electrically connected to the control electrode,
wherein the optical waveguide device and the connection substrate are housed in a housing,
the control electrode includes a signal electrode and ground electrodes disposed so as to interpose the signal electrode between the ground electrodes,
a signal line, ground lines disposed so as to interpose the signal line between the ground lines, and a back surface ground electrode disposed on a surface of the connection substrate on a side opposite to the ground lines are provided on the connection substrate,
the ground lines and the back surface ground electrode are electrically connected to each other through a via hole piercing through the connection substrate,
electrical connection means for electrically connecting the ground lines and the ground electrodes to each other is provided, and
a connection portion of the electrical connection means on the ground line side is located in the vicinity of the via hole of the ground lines or on a conductive material filled in the via hole.

US Pat. No. 10,890,787

OPTICAL MODULATOR

NIPPON TELEGRAPH AND TELE...

1. An MZ optical modulator comprising:a Si optical modulator including an input optical waveguide, two arm waveguides for branching and guiding light input from the input optical waveguide, an output optical waveguide for combining the light guided through the two arm waveguides and outputting the combined light, two signal electrodes for applying radio frequency modulation signals that are arranged in parallel to the two arm waveguides respectively, and a DC electrode for applying a bias voltage that is provided between the two signal electrodes; and
at least two ground electrodes arranged in parallel to the two signal electrodes,
wherein the radio frequency modulation signals input to the two signal electrodes are a pair of differential signals,
wherein the at least two ground electrodes are arranged on both sides of the Si optical modulator and are connected to each other at a plurality of points by electrical multilayer interconnections.

US Pat. No. 10,890,786

METHOD AND SYSTEM FOR DETERMINING AN ADAPTIVE PARAMETER FOR A SPECTACLE LENS ACCOMMODATED IN A SPECTACLE FRAME

Carl Zeiss Vision Interna...

1. A method for determining an adaptive parameter for a spectacle lens accommodated in a spectacle frame with a system including a processor, program code stored on a non-transitory computer readable medium configured to perform method steps when executed by the processor, the system further including an inclination sensor, a handheld camera defining an optical axis and at least three front target marks spatially fixed relative to said spectacle frame and arranged on a measurement bracket defining a front side with a first one of said front target marks being spatially offset perpendicularly to said front side with respect to the second and third ones of said front target marks, the method comprising the steps of:with said handheld camera, capturing an image lying in an image plane of a section of said spectacle frame worn by a patient together with said three front target marks with the patient assuming a pose wherein the patient need not look into the camera;
determining an inclination angle (?) of said image plane about a horizontal axis parallel to said image plane via said inclination sensor;
determining the position of said front target marks in the captured image utilizing image analysis performed by said program code when executed by the processor;
determining a forward inclination angle of said spectacle frame from said position of said front target marks determined from said image analysis;
correcting said forward inclination angle to a corrected forward inclination angle (?) in relation to a vertical direction in correspondence to said determined inclination angle (?) of said image plane;
determining a head rotation angle (?) of the head of said patient with respect to said optical axis of said handheld camera with said head rotation angle (?) being conjointly defined by said optical axis and a plane running perpendicularly to a distance line between the pupils of the eyes of said patient;
correcting said head rotation angle (?) to a corrected head rotation angle corrected in correspondence to a horizontal alignment of said optical axis of said handheld camera; and,
determining at least one adaptive parameter for fitting the spectacle lens in the spectacle frame so as to cause an optical center of the spectacle lens to coincide with a visual axis of an eye of the patient from the captured image of the section of the spectacle frame worn by said patient and said corrected forward inclination angle (?) as well as said corrected head rotation angle via image analysis performed by said program code when executed by the processor.

US Pat. No. 10,890,785

EYEGLASS TRANSLATING CLIP

1. A translating clip, comprising:a clip on portion adapted to grippingly engage an eyeglass frame wherein the clip on portion further comprises an eyeglass gripping structure including two arms resiliently biased toward one another and structured to engage the eyeglass frame at two regions on either side of a bridge the eyeglass frame including a first eyeglass gripping portion structured to engage a right lens or right eyewire and a second eyeglass gripping portion structured to engage a left lens or left eyewire;
an adjustment portion;
a nose bridge engaging portion; andan illuminator emitting visible light removably coupleable to the translating clipwherein the adjustment portion enables adjustment of an engagement distance between a lower end of the nose engaging portion and the eyeglass gripping structure.

US Pat. No. 10,890,784

METHODS, DEVICES, AND COMPUTER PROGRAM FOR DETERMINING A NEAR-VISION POINT

Carl Zeiss Vision Interna...

1. A method for determining a near-vision point, the method comprising:recording an image of a head of a person with a camera incorporated in a near-vision target while the person is looking at the near-vision target,
wherein the person is optionally wearing a spectacle frame,
wherein the image shows at least one of a pupil position or a cornea position of an eye, and
wherein the near-vision target is movable;
determining an orientation of the near-vision target;
determining a viewing direction of the person when looking at the near-vision target on a basis of the image;
determining the near-vision point on the basis of the image, on the basis of the viewing direction, and a location of a spectacle frame, wherein, if the person is wearing the spectacle frame, the location of the spectacle frame is determined from the image, and, if the person is not wearing the spectacle frame, the location of the spectacle frame is determined virtually on a basis of a model; and
identifying a location of at least one of a pupil position or a cornea position of the eye relative to an axis of symmetry of the camera and an image angle and a resolution of the camera, wherein the direction of the axis of symmetry is determined by the orientation of the near-vision target.

US Pat. No. 10,890,783

METHOD OF FORMING A FILM WITH A LENTICULAR LENS ARRAY

Agency for Science, Techn...

1. A method of forming a film with a lenticular lens array wherein each lens of the lenticular lens array has an optimum focal length, the method comprising:providing a substrate;
providing a mold having a plurality of nano-scale to micro-scale cavities that form the lenticular lens array on the substrate, wherein each of the plurality of cavities forms a depression within the mold having dimensions between 50 nm and 250 nm and provide a hole on a surface of the mold;
having the surface of the mold contact the substrate; and forming the lenticular lens array, wherein the step of forming the lenticular lens array comprises:
increasing a temperature of the substrate to within 100 below and 100 above its glass transition temperature to cause the substrate to be in high viscosity;
applying a fixed pressure to compress the mold against the substrate for a controlled time duration while the substrate is in high viscosity to allow portions of the substrate to partially fill the plurality of cavities to form the plurality of lenses; and
reducing the temperature after the controlled time for demolding the mold from the substrate,
wherein the controlled time duration controls an extent to which the portions of the substrate partially fill the plurality of cavities to adjust an aspect ratio of each lens of the lenticular lens array so that each lens of the lenticular lens array has an optimum focal length.

US Pat. No. 10,890,782

MULTI-VIEW DISPLAY DEVICE

Koninklijke Philips N.V.,...

1. A multi-view display of an image, comprising:a display panel for emitting light to provide the image; and
a view forming arrangement formed over the display panel for providing a multi-view function, the light emitted from the display panel passing through the view forming arrangement,
wherein the view forming arrangement comprises a first view forming structure separated from the display panel by a first distance for providing multiple views of the image across a first direction, and a second view forming structure separated from the first view forming structure by a second distance for providing multiple views of the image across a second perpendicular direction, the first view forming structure being closer to the display panel than the second view forming structure, the second distance being greater than the first distance, and
wherein angular widths of the multiple views of the image in the first direction and the second perpendicular direction are independently defined with an angular width defined by the first view forming structure in the first direction being smaller than an angular width defined by the second view forming structure in the second perpendicular direction in a ratio of 1:n, where n<2.

US Pat. No. 10,890,781

LENS DRIVE DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

MITSUMI ELECTRIC CO., LTD...

1. A lens driving device having a rectangular shape in a planar view,the lens driving device comprising an optical image stabilization driving section that includes: a first and a second optical image stabilization magnet parts; a first and a second optical image stabilization coil parts; and an optical image stabilization supporting part, the optical image stabilization driving section being configured to perform optical image stabilization by swaying an optical image stabilization movable part in a plane orthogonal to an optical axis direction, relative to an optical image stabilization fixing part, with use of a driving force from an optical image stabilization voice coil motor, the first and second optical image stabilization magnet parts being disposed around a lens part, the first and second optical image stabilization coil parts being disposed apart from the first and second optical image stabilization magnet parts, respectively, the optical image stabilization supporting part supporting the optical image stabilization movable part including the first and second optical image stabilization magnet parts while the optical image stabilization movable part is separated in the optical axis direction from the optical image stabilization fixing part including the first and second optical image stabilization coil parts, the optical image stabilization voice coil motor including the first and second optical image stabilization coil parts and the first and second optical image stabilization magnet parts, wherein:
the optical image stabilization movable part includes an autofocus driving section that includes an autofocus coil part, an autofocus magnet part, and an autofocus supporting part, the autofocus driving section being configured to automatically achieve focusing by moving an autofocus movable part in the optical axis direction relative to an autofocus fixing part with use of a driving force from an autofocus voice coil motor, the autofocus coil part being disposed around the lens part, the autofocus magnet part being disposed apart from the autofocus coil part in a radial direction, the autofocus supporting part supporting the autofocus movable part including the autofocus coil part, with respect to the autofocus fixing part including the autofocus magnet part, the autofocus voice coil motor including the autofocus coil part and the autofocus magnet part,
a first pair including the first optical image stabilization coil part and the first optical image stabilization magnet part and a second pair including the second optical image stabilization coil part and the second optical image stabilization magnet part are disposed along a first side and a second side adjacent to each other of the rectangular shape of the lens driving device, respectively,
the autofocus movable part is disposed to be eccentric from a center axis of the lens driving device that is parallel to the optical axis direction,
the optical image stabilization fixing part includes a first and a second connection terminal parts,
the first connection terminal part is disposed on the first side and feed power to the first optical image stabilization coil part, and
the second connection terminal part is disposed on the second side and feed power to the second optical image stabilization coil part.

US Pat. No. 10,890,780

ANTI-VIBRATION DEVICE AND BINOCLE

FUJIFILM Corporation, To...

1. An anti-vibration device that is disposed between a pair of left and right objective optical systems of which optical axes are disposed in parallel with each other and a pair of left and right ocular optical systems of which optical axes are disposed in parallel with each other, the objective systems and the ocular optical systems constituting a pair of left and right telephoto optical systems, the device comprising:a pair of left and right first reflective members that is disposed so as to be respectively inclined with respect to first optical axes of the objective optical systems, and forms second optical axes by deflecting the first optical axes of the pair of left and right objective optical systems;
a pair of left and right second reflective members that is disposed so as to be respectively inclined with respect to the second optical axes, and forms third optical axes parallel to the first optical axes by deflecting the second optical axes;
a pair of left and right holding members that each holds the first reflective member and the second reflective member, and is disposed so as to be respectively rotated around first rotational axes concentric with the second optical axes, the pair of left and right holding members each holding one of the first reflective member and the second reflective member in a fixed state, and each holding the other one so as to be rotated around a second rotational axis perpendicular to a plane formed by the first optical axis and the second optical axis;
a first link member that aligns the pair of left and right holding member in a state in which the first optical axes are held in parallel with each other, and rotates the holding members around the first rotational axes;
a first actuator that moves the first link member in an arrangement direction of the holding members;
a second link member that is held by the first link member so as to be rotated around a third rotational axis parallel to the second rotational axis, engages with the pair of left and right other reflective members, and rotates the other reflective members;
a second actuator that rotates the second link member around the third rotational axis,
wherein, in a case where a direction parallel to the second optical axis is an upper-lower direction, a direction parallel to the first and third optical axes is a front-back direction, and the holding member is viewed in a direction parallel to the second rotational axis, at least a part of the first and second link members is disposed in a triangle region surrounded by the first reflective member, an upper end plane passing through an upper end of the first reflective member in the upper-lower direction and being parallel to the front-back direction, and a rear end plane passing through a rear end of the first reflective member in the front-back direction and being parallel to the upper-lower direction, or a triangle region surrounded by the second reflective member, a lower end plane passing through a lower end of the second reflective member in the upper-lower direction and being parallel to the front-back direction, and a front end plane passing through a front end of the second reflective member in the front-back direction and being parallel to the upper-lower direction; and
a processor configured to drive the first actuator and the second actuator based on amounts of vibration of the objective optical systems measured by a vibration measurement sensor.

US Pat. No. 10,890,779

LASER PROJECTION MODULE, DEPTH CAMERA AND ELECTRONIC DEVICE

GUANGDONG OPPO MOBILE TEL...

1. A laser projection module, comprising:a laser emitter configured to emit laser;
a collimation element configured to collimate the laser;
a diffraction element configured to diffract the laser collimated by the collimation element to define a laser pattern;
a detection component disposed to at least one of the collimation element and the diffraction element, and configured to output an electrical signal; and
a processor coupled to the detection component, and configured to receive the electrical signal and detect whether the at least one of the collimation element and the diffraction element is abnormal based on the electrical signal;
wherein a part of the detection component is disposed to the collimation element, another part of the detection component is disposed to the diffraction element, the detection component is configured to detect a distance between the collimation element and the diffraction element and to output the electrical signal, the processor is configured to judge whether the electrical signal is within a preset range, and determine that a change of the distance between the collimation element and the diffraction element exceeds a predetermined interval when the electrical signal is not within the preset range.

US Pat. No. 10,890,778

OPTICAL SYSTEM HAVING AN IMPROVED SIGNAL-TO-NOISE RATIO OF EYE-TRACKING

FACEBOOK TECHNOLOGIES, LL...

1. A system, comprising:a polarizer;
a grating structure configured to diffract a first input light as a first output light toward the polarizer; and
at least one substrate coupled to the grating structure, a surface of the at least one substrate configured to reflect a second input light as a substantially s-polarized light toward the polarizer,
wherein the first input light and the second input light are incident onto the grating structure and the at least one substrate, respectively, from a side where the polarizer is located, and
wherein the polarizer is configured to transmit the first output light diffracted by the grating structure and block the substantially s-polarized light reflected by the surface of the at least one substrate.

US Pat. No. 10,890,777

ELECTROMAGNETIC WAVE REFLECTING MEMBER

Dai Nippon Printing Co., ...

1. A method for producing an electromagnetic wave reflecting member comprising: applying a cholesteric liquid crystal material on a first phase difference layer having an average retardation satisfying the following equation:Re={(2n+1)/2±0.2}×?
wherein Re represents retardation; ? represents wavelength; and n is an integer of 1 or more, to form a first selectively reflective layer,
applying a cholesteric liquid crystal material on a second phase difference layer having an average retardation satisfying the following equation:
Re={(2n+1)/2±0.2}×?
wherein Re represents retardation; ? represents wavelength; and n is an integer of 1 or more, to form a second selectively reflective layer,
stacking an assembly comprising the first selectively reflective layer provided on the first phase difference layer and an assembly comprising the second selectively reflective layer provided on the second phase difference layer on top of each other so that the first selectively reflective layer and the second phase difference layer are adjacent to each assembly;
wherein the first selectively reflective layer reflects only a clockwise circularly polarized light component with wavelength ? in incident electromagnetic waves, and the second selectively reflective layer reflects only a clockwise circularly polarized light component with said wavelength ?.

US Pat. No. 10,890,776

PANCAKE LENS GHOSTING MITIGATION

FACEBOOK TECHNOLOGIES, LL...

1. A near-eye display assembly comprising:an electronic display for providing image light;
a circular polarizer downstream of the electronic display for circularly polarizing the image light; and
a pancake lens downstream of the circular polarizer for conveying the image light to an eyebox;
wherein the circular polarizer comprises a first quarter-wave waveplate disposed between and spaced apart from the electronic display and the pancake lens; and
wherein the pancake lens comprises a pair of plano-convex lenses and a stack of a second quarter-wave waveplate and a reflective polarizer sandwiched between flat sides of the pair of plano-convex lenses.

US Pat. No. 10,890,775

HEAD MOUNTED DISPLAY DEVICE

Quanta Computer Inc., Ta...

1. A head mounted display device, comprising:a spectacles frame comprising an elongated frame having a first side, a second side and a plurality of separation bar protruded from the second side of the elongated frame, two connection portions respectively located at two opposite ends of the elongated frame, two receiving grooves respectively disposed between the first side and the second side of the elongated frame, and a nose-placing portion located on the elongated frame and interposed between the receiving grooves, and configured for aligning a nose bridge of a user;
two temples connected to the opposite ends of the spectacles frame, respectively, and pivotally connected by the connection portions, respectively;
two lenses fixed to the spectacles frame, wherein the receiving grooves are configured for respectively placing the two lenses fixedly; and
at least one optomechanical module loaded on the spectacles frame, jointed with one of the two lenses, and configured for outputting a signal to the one of the two lenses; and
a circuit board module disposed on the spectacles frame and electrically connected to the optomechanical module, and fixed to the second side of the elongated frame, and locked to the separation bars via a plurality of bolts, respectively.

US Pat. No. 10,890,774

METHOD FOR PROVIDING A HEAD MOUNTED OPTICAL SYSTEM

Essilor International, C...

1. A method for providing a head mounted optical system adapted to a wearer, the method comprising:an optical system providing step, during which an optical system is provided, the optical system being an electro-optical system with a switchable function that enables at least part of an active function of the system to be controlled by means of an electrical stimulus;
a wearer data providing step, during which wearer data comprising at least the wearer's prescription is provided;
an encapsulating step, during which the optical system is at least partly encapsulated in a transparent capsule;
an optical system data providing step, during which optical system data representing at least a shape of faces of the optical system prior to the encapsulation step and an optical index of the optical system is provided;
a capsule data providing step, during which capsule data representing at least an optical index of the transparent capsule and a shape of at least one of a first face and a second face of the capsule is provided;
an optical function determining step, during which an optical function to be provided to the wearer is determined according to the wearer data and the system data;
a surface data determining step, during which surface data representing the surface of at least one face to be customized of the capsule is determined according to the optical function and the capsule data; and
a customizing step, during which at least one face of the transparent capsule is customized according to the surface data;
wherein the optical system is at least partly encapsulated in a transparent capsule by stacking in close contact the optical system with at least one substrate of the transparent capsule and made integral with an adhesive.

US Pat. No. 10,890,773

VIRTUAL AND AUGMENTED REALITY SYSTEMS AND METHODS HAVING UNEQUAL NUMBERS OF COMPONENT COLOR IMAGES DISTRIBUTED ACROSS DEPTH PLANES

Magic Leap, Inc., Planta...

1. A display system comprising:one or more waveguides comprising:
a first plurality of diffractive optical elements configured to outcouple light of a first wavelength range to produce a first plurality of component color images, each image set on one of X maximum possible depth planes for the first plurality of diffractive optical elements;
a second plurality of diffractive optical elements configured to outcouple light of a second wavelength range to produce a second plurality of component color images, each image set on one of Y maximum possible depth planes for the second plurality of diffractive optical elements; and
a third plurality of diffractive optical elements configured to outcouple light of a third wavelength range to produce a third plurality of component color images, each image set on one of Z maximum possible depth planes for the third plurality of diffractive optical elements,
wherein X, Y, and Z are whole numbers and wherein X, Y, and Z are different.

US Pat. No. 10,890,772

GUIDED MODE RESONANCE DEVICE FOR OPTICAL BEAM TAPPING AND IMAGING WITHOUT RAINBOWS

The Board of Trustees of ...

1. Optical apparatus comprising:an optical waveguide;
a diffraction grating disposed in proximity to the optical waveguide such that incident light on the diffraction grating can also diffractively couple to the optical waveguide;
wherein a first diffraction process is non-resonant diffraction of the incident light by the diffraction grating without coupling to the optical waveguide;
wherein a second diffraction process is resonant diffraction of the incident light via 1) diffractive coupling of the incident light to a guided mode of the optical waveguide to provide guided light, followed by 2) additional diffraction of the guided light into diffracted radiation;
wherein an efficiency of the second diffraction process is substantially larger than any efficiency of the first diffraction process at a predetermined incidence angle and frequency of the incident light.

US Pat. No. 10,890,771

DISPLAY SYSTEM WITH VIDEO SEE-THROUGH

EYEWAY VISION LTD., Or Y...

1. A system, comprising:an eye display unit, comprising:
at least one camera unit configured for collecting light arriving along a first optical path from a region of interest of a scene and generating image data indicative thereof;
at least one image forming module configured for receiving imagery data and projecting images of said imagery data along a second optical path towards an eye of a user; and
an optical deflection module comprising at least one double sided light reflecting optical element being reflecting to light arriving from both sides thereof and having at least one side being 95% or more reflective, the double sided light reflecting optical element being located in front of said eye intersecting said first and second optical paths, and oriented to define said second optical path between the image forming module and the user's eye, and define said first optical path between said at least one camera unit and the scene, such that light propagating along said first optical path from the scene is reflected by said 95% or more reflective side of the double sided light reflecting optical element to said at least one camera unit; thereby providing said at least one camera unit with a point of view substantially similar to line of sight of the user's eye.

US Pat. No. 10,890,770

WAVEGUIDE HAVING PARTIAL REFLECTOR

FACEBOOK TECHNOLOGIES, LL...

1. A waveguide comprising:a substrate comprising first and second outer surfaces for propagating a beam of image light in the substrate by reflecting the beam from the first and second surfaces;
a diffraction grating supported by the substrate and configured for diffracting the beam impinging thereon; and
a first partial reflector disposed in the substrate between and parallel to the first and second surfaces, wherein the first partial reflector is flat, extends across length and width of the substrate, and is configured for splitting the beam impinging thereon.

US Pat. No. 10,890,769

AUGMENTED REALITY DISPLAY HAVING LIQUID CRYSTAL VARIABLE FOCUS ELEMENT AND ROLL-TO-ROLL METHOD AND APPARATUS FOR FORMING THE SAME

Magic Leap, Inc., Planta...

2. An adaptive lens assembly comprising:a waveplate lens; and
a switchable waveplate assembly comprising:
a first non-liquid crystal quarter-wave plate and a second non-liquid crystal quarter-wave plate defining a volume therebetween;
a cell wall extending from the first non-liquid crystal quarter-wave plate to the second non-liquid crystal quarter-wave plate and further defining the volume therebetween; and
a liquid crystal layer disposed in the volume between the first quarter-wave plate and the second quarter-wave plate, wherein liquid crystal molecules of the liquid crystal layer have selectively switchable orientations.

US Pat. No. 10,890,768

POLARIZATION-BASED DYNAMIC FOCUSER

Microsoft Technology Lice...

1. A polarization-based dynamic focuser for a near-eye display, comprising:a first polarizer configured to polarize environmental light incident on the first polarizer, such that environmental light passing through the first polarizer toward a user eye has a first polarity;
an image source including a waveguide positioned between the user eye and the first polarizer, the waveguide being substantially transparent to the environmental light, and the waveguide configured to output image display light toward the user eye, at least some of the image display light having the first polarity and at least some of the image display light having a second polarity;
a dynamic lens positioned between the user eye and the waveguide the dynamic lens configured to selectively focus incident light having the second polarity toward the user eye at a controllable virtual distance, where the dynamic lens does not affect incident light having the first polarity; and
a second polarizer positioned between the dynamic lens and the waveguide, the second polarizer configured to polarize one or more wavelengths of incident light to have the second polarity.

US Pat. No. 10,890,767

SYSTEM AND METHOD FOR AUTOMATIC VISION CORRECTION IN NEAR-TO-EYE DISPLAYS

United Services Automobil...

1. A method for vision-corrected imaging, comprising:determining, by a refraction headset in operative communication with a near-to-eye head-mounted display, a reference wavefront based on a diameter of a pupil of an eye of a user;
determining, by the refraction headset, a wavefront map of the eye of the user based on comparing a shape of a wavefront associated with the eye to the reference wavefront;
generating, by a stereoscopic display device of the near-to-eye head-mounted display, image light representative of a desired image;
controlling, by an imaging system of the near-to-eye head-mounted display, the stereoscopic display device based on the wavefront map to modify the image light representative of the desired image; and
transmitting the modified image light from the stereoscopic display device through optical elements of the near-to-eye head-mounted display toward the eye of the user, without a step of adding user-customized corrective eyewear to the optical elements of the near-to-eye head-mounted display.

US Pat. No. 10,890,766

IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD

HONDA MOTOR CO., LTD., T...

1. An image display apparatus having a display part that is arranged on a mount body which is mounted on a head of a user, the image display apparatus comprising:a detection part that detects a tilt of a head of the user; and
a control part that sets a virtual horizon based on the tilt which is detected by the detection part and that sets a non-display region having a band shape which is parallel to the virtual horizon,
wherein the non-display region is a region between a first boundary line that is provided by a first distance in an upper direction from and in parallel with the virtual horizon and a secondary boundary line that is provided by a second distance in a lower direction from and in parallel with the virtual horizon.

US Pat. No. 10,890,765

SYSTEMS, ARTICLES, AND METHODS FOR INTEGRATING HOLOGRAPHIC OPTICAL ELEMENTS WITH EYEGLASS LENSES

GOOGLE LLC, Mountain Vie...

1. A method of manufacturing a lens for use in a wearable heads-up display, the method comprising:providing a photopolymer film;
recording a hologram into the photopolymer film while the photopolymer film is planar;
applying a curvature to the photopolymer film;
molding a lens-forming fluid to produce a first portion of the lens having the photopolymer film embedded therein;
providing a second portion of the lens;
adhering a surface of the second portion of the lens and a first surface of the first portion of the lens together by a first portion of optical adhesive; and
applying an eyeglass prescription curvature to the lens, wherein recording a hologram into the photopolymer film includes recording a hologram that compensates for both an optical effect of the prescription curvature of the lens and an optical effect of the curvature applied to the photopolymer film.

US Pat. No. 10,890,764

METHOD AND SYSTEM FOR VIDEO FRAME PROCESSING

Novatek Microelectronics ...

1. A method for video frame processing, applicable to a system including a computing device and a head-mounted display having a motion sensor, a processor, and a display, comprising:receiving a sequence of rendered video frames by the processor from the computing device, wherein the rendered video frames comprise a first frame and a second frame subsequent to the first frame;
obtaining a first head movement of the head-mounted display from the motion sensor by the processor, wherein the first head movement is associated with the first frame;
estimating a predicted head angle corresponding to an interpolated time point associated with an interpolated frame by the processor according to a first head angle corresponding to the first head movement;
performing motion estimation on the first frame and the second frame by the processor to obtain a first motion vector;
estimating an interpolated motion vector corresponding to the interpolated frame by the processor according to the first motion vector;
generating an interpolated content by the processor according to the interpolated motion vector;
transforming the predicted head angle to a view matrix by the processor;
rendering the interpolated frame by the processor according to the interpolated content and the view matrix; and
displaying the interpolated frame, subsequent to the first frame and prior to the second frame, on the display by the processor.

US Pat. No. 10,890,763

INFORMATION DISPLAY APPARATUS

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

1. An information display apparatus displaying video-image information on a projection surface by a virtual image, the apparatus comprising, in a housing partly having an opening, a video-image-light generating apparatus, a video-image-light processor, and a projector,the video-image-light generating apparatus configured to generate video-image light for displaying the video-image information, the video-image-light generating apparatus including a generator for selectively generating the video-image light by S-polarized light,
the video-image-light processor configured to perform a predetermined optical processing to a video image generated by the video-image-light generating apparatus, and
the projector configured to project, onto the projection surface through the opening of the housing, the video-image light optically processed by the video-image-light processor so that a viewer is capable of virtually recognizing the video-image information as a virtual image in front of the projection surface,
wherein a light path in the housing is provided with a suppressor selectively suppressing a P-polarizing component of light in a visible light region,
wherein the video-image-light processor and the projector are disposed on a straight-line optical axis from the video-image-light generating apparatus, and
wherein the suppressor is disposed between the video-image-light generating apparatus and the projector on the straight-line optical axis, and is configured to transmit an S-polarized light component and reflect a P-polarized light component in a direction vertical to the straight-line optical axis.

US Pat. No. 10,890,762

IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD

RICOH COMPANY, LTD., Tok...

1. A head-up display apparatus comprising:an optical system to display an image on a windshield or a combiner of a vehicle;
a first camera configured to take a picture of an object viewable through the windshield or the combiner at the same position as or near a position of the displayed image, and to take a picture of the displayed image;
a second camera configured to take a picture of a head of a driver; and
at least one processor configured to:
analyze the picture of the head of the driver taken by the second camera to detect a position of a visual point of the driver;
convert the picture of the displayed image and the picture of the object taken by the first camera into a picture that would be obtained from the visual point of the driver on the basis of the detected position of the visual point of the driver to determine whether the displayed image would overlap with the object when viewed from the position of the visual point of the driver; and
control the displayed image in response to determining overlap of the object with the displayed image when viewed from the position of the visual point of the driver.

US Pat. No. 10,890,761

PHOTOREACTIVE SENSOR INCLUDING OPTICAL AMPLIFICATION PHOTOTRANSISTOR, AND DISPLAY PANEL AND VEHICLE CONTROL SYSTEM INCLUDING PHOTOREACTIVE SENSOR

UNIVERSITY-INDUSTRY COOPE...

1. A photoreactive sensor, comprising:a switching transistor;
a first storage capacitor;
a driving transistor;
a second storage capacitor;
an optical amplification phototransistor that comprises a channel region including a non-overlapping region that does not overlap with a local gate electrode between a source electrode and a drain electrode, wherein the optical amplification phototransistor senses an optical image through the non-overlapping region for amplifying photoconductivity; and
a contact light emitting device that is formed on the optical amplification phototransistor and generates the optical image corresponding to a contacted surface upon contact with an object,
wherein the non-overlapping region functions as a photoconductor for amplifying photoconductivity according to decrease of a resistance and increase of a conductivity when light is applied to the non-overlapping region,
wherein the non-overlapping region functions as an external series resistor when light is not applied to the non-overlapping region,
wherein the contact light emitting device comprises a light emitting layer configured to include barium titanate for increasing luminescence brightness and a black pigment for increasing contrast of the optical image,
wherein the optical amplification phototransistor increases an off-current and an on-current by generating a pair of electron holes at the channel region including the non-overlapping region and a region overlapped with the local gate electrode between the source electrode and the drain electrode when the light is applied, and
wherein a gate of the switching transistor is connected to a scan line, and a drain of the switching transistor is connected to a data line, a gate of the driving transistor is connected to a source of the switching transistor, the first storage capacitor is connected in parallel to the gate and a source of the driving transistor, a source of the optical amplification phototransistor is connected to the driving transistor, and a drain of the optical amplification phototransistor is connected to the second storage capacitor, the second storage capacitor being connected in parallel to a light source part in order to integrally generate light for outputting image information and light for obtaining photoreactive information.

US Pat. No. 10,890,760

SEE-THROUGH COMPUTER DISPLAY SYSTEMS

Mentor Acquisition One, L...

1. A see-through head-mounted display comprising:a light source,
an image source,
an angled partially-reflective surface, wherein:
the light source faces a first side of the angled partially-reflective surface,
the image source faces the first side of the angled partially-reflective surface,
the light source is configured to project light via the angled partially-reflective surface toward the image source,
the image source is configured to reflect the projected light as image light toward the angled partially-reflective surface, and
the angled partially-reflective surface is configured to transmit the image light along a first axis;
a combiner having a first side and a second side opposite the first side, wherein the combiner is configured to:
reflect the image light via the first side of the combiner, and
transmit environment light, via the first side of the combiner and via the second side of the combiner, to an eye of a user of the see-through head-mounted display, to present to the user a view comprising the image light and further comprising the environment light; and
a light-blocking element aligned substantially parallel to the combiner and disposed opposite the combiner with respect to the user, the light-blocking element configured to block incident light from an environment of the user.

US Pat. No. 10,890,759

AUTOMATED VARIABLE-FOCUS LENS CONTROL TO REDUCE USER DISCOMFORT IN A HEAD-MOUNTED DISPLAY

MICROSOFT TECHNOLOGY LICE...

1. A system configured for controlling variable-focus functionality to reduce user discomfort, the system comprising:one or more processors;
a variable-focus lens for providing focus on virtual content viewed by a user; and
one or more computer-readable media having stored computer-executable instructions that are operable, when executed by the one or more processors, to configure the system to:
obtain a vergence depth of a gaze of the user;
determine that the variable-focus lens is currently configured to provide focus at a focus distance that differs from the vergence depth;
determine that an adjustment is to be made to the variable-focus lens to cause the focus distance to conform with the vergence depth;
determine whether a triggering condition is present for triggering a dampening of the adjustment; and
determine whether to dampen the adjustment based on the determination of whether the triggering condition is present, wherein determining whether to dampen the adjustment includes:
in response to detecting that the triggering condition is present, selectively dampen the adjustment made to the variable-focus lens, the dampening causing the adjustment made to the variable-focus lens to reconfigure the variable-focus lens to provide focus at a focus distance that differs from the vergence depth; or alternatively
absent making a determination that the triggering condition is present, refrain from dampening the adjustment made to the variable-focus lens to cause the focus distance to conform with the vergence depth.

US Pat. No. 10,890,758

MOISTURE DEFLECTION APPARATUS FOR AERIAL VEHICLE CAMERAS

Amazon Technologies, Inc....

1. An aerial vehicle comprising:a frame;
a motor coupled to the frame;
a propeller coupled to the motor and rotatable by the motor to generate a lifting force and a propulsion motor air disturbance;
a camera coupled to the frame and including a lens having a field of view;
a deflector coupled to at least one of the frame or the camera and positioned:
in front of the lens and in the field of view of the lens,
such that at least a portion of the deflector is beneath the propeller and within at least a portion of a path of the propulsion motor air disturbance; and
at an angle with respect to the path of the propulsion motor air disturbance;
wherein:
the deflector is configured to protect the lens and receive moisture; and
the angle of the deflector and the propulsion motor air disturbance are configured to cause the moisture received by the deflector to move across the deflector and out of the field of view of the lens.

US Pat. No. 10,890,757

OPTICAL IMAGING LENS

GENIUS ELECTRONIC OPTICAL...

1. An optical imaging lens comprising a first lens element, a second lens element, a third lens element, and a fourth lens element from an object side to an image side in order along an optical axis, wherein the first lens element to the fourth lens element each comprise an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through;the object-side surface of the second lens element has a concave portion in a vicinity of the optical axis, and the image-side surface of the second lens element has a convex portion a periphery region of the second lens element;
the object-side surface of the third lens element has a concave portion in a periphery region of the third lens element;
the fourth lens element has negative refracting power; and
only the first lens element, the second lens element, the third lens element, and the fourth lens element have refracting power,
wherein the optical imaging lens satisfies:
V4?V1?30,
where V4 is an Abbe number of the fourth lens element, and V1 is an Abbe number of the first lens element.

US Pat. No. 10,890,756

OPTICAL SCANNING DEVICE

MITSUMI ELECTRIC CO., LTD...

1. An optical scanning device comprising:a pair of twist beams arranged on both sides of a mirror along a predetermined axis and configured to swing the mirror around the axis;
a pair of connection beams connected to the respective twist beams;
a piezoelectric sensor formed on the connection beams and configured to detect a displacement of the connection beams caused by a swing of the mirror around the axis;
wherein the piezoelectric sensor includes
a lower electrode;
a piezoelectric thin film stacked on the lower electrode; and
an upper electrode stacked on or above the piezoelectric thin film,
wherein a bottom surface and a side surface of the piezoelectric thin film form a tilt angle ?, and
wherein the tilt angle is greater than 0° and less than or equal to 50°,
wherein a planar shape of the piezoelectric thin film is a substantially rectangular shape in which four corners are formed in rounded shapes, and
wherein, among the four corners, radii of curvature of rounded shapes at two corners closer to the axis are larger than radii of curvature of rounded shapes at two corners farther from the axis.

US Pat. No. 10,890,755

STEERABLE OPTICAL ASSEMBLIES

Microsoft Technology Lice...

1. A device, comprising:a steering mechanism;
a base substrate extending along a plane and positioned relative to the steering mechanism;
an optical substrate positioned over the base substrate; and,
an adhesive complex securing the optical substrate relative to the base substrate, the adhesive complex comprising a first adhesive extending completely between a first portion of the base substrate and a first portion of the optical substrate and that imparts a relatively greater distortive force per unit area between the optical substrate and the base substrate and a second adhesive that is spaced apart laterally along the plane from the first adhesive and that extends completely between a second portion of the base substrate and a second portion of the optical substrate and that imparts a relatively less distortive force per unit area between the optical substrate and the base substrate.

US Pat. No. 10,890,754

OBSERVATION OPTICAL SYSTEM

Konica Minolta, Inc., To...

1. An observation optical system comprising:an objective optical system;
an inversion optical system provided in the objective optical system or immediately posterior to the objective optical system to invert an inverted image to an erected image; and
an eyepiece optical system arranged so as to be the closest to a pupil to observe the erected image,
the observation optical system satisfying following conditional expressions:
1.6 |D/H|<3  (2)
wherein,
f: focal length of the objective optical system,
N: refractive index on a d-line of the inversion optical system,
L: optical path length of the inversion optical system,
D: maximum height from an optical axis of an incident light ray on an object side of the inversion optical system, and
H: exit pupil radius.

US Pat. No. 10,890,753

ENDOSCOPE

PANASONIC I-PRO SENSING S...

1. An endoscope comprising:a single lens;
a sensor cover that covers an imaging area of an image sensor and has an exterior shape the same as an exterior shape of the single lens in a plane perpendicular to an optical axis of the single lens; and
a bonding resin portion that fixes the sensor cover to the single lens, the optical axis of the single lens coinciding with a center of the imaging area,
wherein an air layer is disposed between the single lens and the sensor cover glass,
wherein a central portion of the single lens has a convex curved surface which protrudes in a substantially spherical shape configuring a lens surface of the convex surface on an imaging side;
wherein a peripheral edge portion of the single lens has a planar end surface and has a bonding plane with the sensor cover glass over the planar end surface; and
wherein the bonding plane has an exterior peripheral portion which has square shape, and has an inner peripheral portion which has a substantially square shape with rounded corners.

US Pat. No. 10,890,752

OPTICAL PATH TURNING MODULE

SINTAI OPTICAL (SHENZHEN)...

1. An optical path turning module, comprising:an optical path turning unit comprising a sloping surface, wherein a light beam enters the optical path turning unit along a first axis, is reflected by the sloping surface for changing a traveling direction thereof, and leaves the optical path turning unit along a second axis;
a carrier configured to fix the optical path turning unit and comprising a main body, a plurality of first clamping portions and a plurality of second clamping portions, wherein the main body is sloped with respect to the second axis, the first clamping portions extend forwards from two sides of the main body in a direction parallel to the second axis, and the second clamping portions extend obliquely and upwards from two sides of the main body and clamp the optical path turning unit;
a fixing element, with the carrier disposed therein; and
a driver disposed between the carrier and the fixing element and configured to drive the carrier to rotate about a third axis with respect to fixing element, wherein the third axis is perpendicular to the first axis and the second axis.

US Pat. No. 10,890,751

SYSTEMS AND APPLICATIONS FOR GENERATING AUGMENTED REALITY IMAGES

1. A system for generating an augmented reality (AR) image, the system comprising:a processing module configured to track and parse user's motions to an observed object and correspondingly generate the AR image when an interactive application is triggered; and
a digital microscope module coupled to the processing module and comprising a vergence module having a reflection mirror unit and a plurality of camera units;
wherein the camera units capture at least one instant image of the observed object and then transmit the instant image to the processing module, and the reflection mirror unit is operatively regulated to adjust a corresponding or geometric relationship between the reflection mirror unit and the camera units, in response to control signals related to the user's motions.

US Pat. No. 10,890,750

OBSERVATION SYSTEM, OBSERVATION PROGRAM, AND OBSERVATION METHOD

Sony Corporation, Tokyo ...

1. A time-lapse cell imaging system comprising: a circuitry configured tocause an image sensor to take a first image of a well plate at a first plurality of focal positions in a first field-of-view range of a microscope optical system at a first magnification;
compare the first field-of-view range to the well of a plurality of wells provided in the well plate;
set a field-of-view range of the microscope optical system to a second field-of-view range if the first field-of-view range is smaller than the well of a plurality of wells, and take the first image of the well plate at a second plurality of focal positions in the second field-of-view range of the microscope optical system at the first magnification;
detect, based on the first image, a three-dimensional position of a cell stored within the well;
set a magnification of the microscope optical system to a second magnification higher than the first magnification;
set a field-of-view range of the microscope optical system to a third field-of-view range with a center corresponding to the detected three-dimensional position of the cell; and
cause the image sensor to perform a time-lapse cell imaging for taking second images of the cell at the second magnification.

US Pat. No. 10,890,749

MAGNIFYING OBSERVATION APPARATUS

KEYENCE CORPORATION, Osa...

1. A magnifying observation apparatus which irradiates an observation target with illumination light and detects a light receiving amount of reflected light or transmitted light of the illumination light from the observation target to generate an image of the observation target and to display the image to enable a magnified observation, wherein the magnifying observation apparatus includes:a base unit;
a placement unit, which is supported by the base unit, for placing the observation target;
an objective lens on which the reflected light or the transmitted light of the illumination light from the observation target is incident;
a first imaging section which receives the reflected light or the transmitted light through the objective lens to acquire a first image;
a supporting member including a first stand unit supported by the base unit and positioned at a side close to the base unit, a second stand unit positioned at a side far from the base unit and supporting the objective lens and the first imaging section, and a shaft unit which swings the second stand unit around a swinging axis with respect to the first stand unit;
a second imaging section which is provided at a position at the same height as or higher than the shaft unit when viewed from the base unit, and is provided to face the placement unit or the observation target such that an optical axis of the first imaging section is included in a visual field and to have an optical axis different from the optical axis of the first imaging section, and to eliminate a connection or to lower a connection with a swinging motion of the supporting member to acquire a second image including the placement unit; and
a display unit capable of displaying the first image acquired by the first imaging section and the second image acquired by the second imaging section wherein the shaft unit includes a hollow axis, and the second imaging section is provided in the vicinity of a radial center of the shaft unit.

US Pat. No. 10,890,748

AUTOMATED SUBSTRATE LOADING

RareCyte, Inc., Seattle,...

1. A method comprising:providing a cassette comprising at least one substrate;
moving a gripper proximal to the at least one substrate;
securing the at least one substrate with the gripper; and
transferring the at least one substrate to a holder with the gripper; the gripper comprising
a base,
a first arm comprising a proximal end connected to a first end of the base, a distal end extending from the base, at least one securing bracket,
a secure bar comprising a proximal end connected to a second end of the base, a distal end extending from the base, a securing bracket,
a crossbar extending from the first arm to a side of the base proximal to the secure bar, the crossbar configured to be deflected by contact with the substrate, and
a sensor attached to the base and proximal to the crossbar to detect deflection of the crossbar by the substrate, wherein the first arm and the secure bar extend in the same direction from the base, wherein each securing bracket comprises a notch;
the holder comprising
a base comprising a base platform,
a first arm comprising a proximal end connected to a first end of the base, a distal end extending from the base, at least one securing block, and
a second arm comprising a proximal end connected to a second end of the base, a distal end extending from the base, a secure bar comprising a securing block, wherein the base platform and the first and second arms extend in the same direction from the base, wherein each securing block comprises a ramp and a stopper.

US Pat. No. 10,890,747

MAGNIFYING OBSERVATION APPARATUS

KEYENCE CORPORATION, Osa...

1. A magnifying observation apparatus comprising:an optical system that includes an objective lens and an imaging lens;
an illumination section that illuminates, from different directions, an observation target placed in a visual field of the optical system with illumination light;
an imaging section that receives light from the observation target via the optical system and generates a luminance image of the observation target;
a change section that changes a focal position of the optical system along an optical axis of the optical system;
a control section that controls the illumination section, the imaging section, and the change section; and
a display section that displays an observation image that is an image of the observation target,
wherein the control section has an image generating section that obtains a plurality of first luminance images by controlling the illumination section so as to illuminate the observation target with the illumination light from a first illumination direction and controlling the change section and the imaging section so as to image the observation target in a plurality of different focal positions,
obtains a plurality of second luminance images by controlling the illumination section so as to illuminate the observation target with the illumination light from a second illumination direction symmetric with the first illumination direction about the optical axis and controlling the change section and the imaging section so as to image the observation target in a plurality of different focal positions, and
generates a roughness enhancement image that enhances roughness on a surface of the observation target by applying depth synthesis and roughness enhancement to the plurality of first luminance images and the plurality of second luminance images and has a depth of field wider than a single luminance image obtainable by the imaging section and
wherein the display section displays the roughness enhancement image as the observation image.

US Pat. No. 10,890,746

MICROSCOPE OBJECTIVE LENS

NIKON CORPORATION, Tokyo...

1. A microscope objective lens comprising, in order from an object side,a first lens group having positive refractive power,
a second lens group having positive refractive power, and
a third lens group having negative refractive power, wherein
the first lens group includes, on the most object side, a positive meniscus lens whose concave surface is directed to the object side,
the second lens group includes a diffractive optical element having positive refractive power,
the diffractive optical element comprises two different optical materials bonded to each other at a bonded surface, and a diffractive optical surface is formed on the bonded surface, and
the diffractive optical element is the only diffractive optical element of the microscopic objective lens,
the microscope objective lens satisfying the following expressions:
n1?1.8
0.5?(?r1)/F?4.2
2?/F?10
where a refractive index relative to a d-line of a medium of the positive meniscus lens included in the first lens group is set as n1, a radius of curvature of the most object side lens surface of the first lens group is set as r1, a focal length of the whole lens system is set as F, and a focal length of the first lens group is set as f1.

US Pat. No. 10,890,745

MIRAU INTERFERENCE OBJECTIVE

LEICA MICROSYSTEMS CMS GM...

1. A Mirau interference objective comprising:an objective lens;
a splitter layer arranged between the objective lens and an object to be examined, the splitter layer being configured to both split an incident light beam into a sample beam path and a reference beam path and to compensate for a wavelength-dependent phase shift between the reference beam path and the sample beam path which is superposed on the reference beam path, the objective lens being configured to focus the sample beam path on the object to be examined; and
a mirror element arranged between the splitter element and the objective lens, the mirror element being configured to reflect the reference beam path.

US Pat. No. 10,890,744

OBSERVATION APPARATUS AND OBJECTIVE

OLYMPUS CORPORATION, Tok...

1. An observation apparatus comprising:a light source that emits pulsed light; and
an objective that includes a first optical element serving as a light guide part and irradiates a sample with the pulsed light, wherein
the first optical element consists of a medium that satisfies the following conditional expression for ?1 and ?2:
0.75 where ?1=(n2?n1)/(?2??1) and ?2=(n3?n2)/(?3??2) are satisfied (?1 indicates a light wavelength of 706.52 nm; ?2 indicates a light wavelength of 1529.6 nm; ?3 indicates a light wavelength of 2325.4 nm; and n1, n2, and n3 respectively indicate refractive indexes that the medium has for ?1, ?2, and ?3).

US Pat. No. 10,890,743

ILLUMINATION DEVICE AND MICROSCOPE DEVICE

OLYMPUS CORPORATION, Tok...

1. An illumination device comprising:an objective that applies light from a light source to a sample;
a first scanning device that moves a focusing position of the light that the objective applies to the sample in an optical-axis direction of the objective; and
a relay optical system that is configured to correct an aberration that is generated in the objective by the first scanning device moving the focusing position, by generating an aberration in a direction opposite to a direction of the aberration that is generated in the objective in such a way that the aberration generated in the objective is corrected on the sample, the relay optical system being arranged on an optical path between the first scanning device and the objective.

US Pat. No. 10,890,742

PROJECTION OPTICAL SYSTEM AND PROJECTION TYPE DISPLAY DEVICE

FUJIFILM Corporation, To...

1. A projection optical system that forms an intermediate image at a position conjugate to an image displayed by an image display element provided on a reduction side conjugate plane, and projects the intermediate image onto a magnification side conjugate plane as a magnified image, the projection optical system comprising:a first plurality of lenses;
two optical path bending means for bending an optical path with a reflective surface by 90 degrees; and
a second optical system constituted by a second plurality of lenses selected from the first plurality of lenses;
wherein:
a lens is arranged at a position most toward a reduction side and another lens is arranged at a position most toward a magnification side of the entire system,
the first plurality of lenses and the two optical path bending means are arranged at a position further away from the magnification side conjugate plane than the image display element,
the image displayed by the image display element is projected as the magnified image which is inverted 180 degrees, and
in which Conditional Formula (5) below is satisfied:
0.125 wherein Im? is an effective image diameter at the reduction side, and TL2 is a distance along an optical axis from a surface most toward the reduction side in the second optical system to a surface most toward the magnification side in the second optical system.

US Pat. No. 10,890,741

PROJECTION OPTICAL SYSTEM AND PROJECTION TYPE DISPLAY DEVICE

FUJIFILM Corporation, To...

1. A projection optical system that forms an intermediate image at a position conjugate to an image displayed by an image display element provided on a reduction side conjugate plane, and projects the intermediate image onto a magnification side conjugate plane as a magnified image, the projection optical system comprising:a plurality of lenses arranged between the reduction side conjugate plane and the magnification side conjugate plane along an optical axis; and
two optical path bending means for bending an optical path with a reflective surface by 90 degrees, arranged between the reduction side conjugate plane and the magnification side conjugate plane along the optical axis; wherein:
a lens is arranged at a position closest to a reduction side and a lens is arranged at a position closest to a magnification side of the projection optical system,
the reduction side is telecentric, and
the image displayed by the image display element is projected as the magnified image which is inverted 180 degrees.

US Pat. No. 10,890,740

OPTICAL IMAGE CAPTURING SYSTEM

LARGAN PRECISION CO., LTD...

1. An optical image capturing system 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;wherein each of the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, the sixth lens element and the seventh lens element has an object-side surface facing toward the object side, and an image-side surface facing toward the image side;
wherein the fourth lens element has positive refractive power; at least one of the object-side surface and the image-side surface of the sixth lens element is aspheric; the seventh lens element has the image-side surface being concave in a paraxial region thereof, the image-side surface of the seventh lens element is aspheric, and the image-side surface of the seventh lens element has a concave-to-convex shape change from the paraxial region thereof to an off-axis region thereof;
wherein a curvature radius of the object-side surface of the seventh lens element is R13, a curvature radius of the image-side surface of the seventh lens element is R14, a focal length of the optical image capturing system is f, and the following relationships are satisfied:
0.1 ?5.0

US Pat. No. 10,890,739

OPTICAL IMAGE CAPTURING LENSES

LARGAN PRECISION CO., LTD...

1. An optical image capturing lenses 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;
wherein each of the seven lens elements comprises an object-side surface facing towards the object side and an image-side surface facing towards the image side;
wherein the image-side surface of the sixth lens element is aspheric, the sixth lens element has the image-side surface being concave in a paraxial region thereof and comprises at least one convex shape in an off-axis region thereof; at least one of the object-side surface and the image-side surface of the fourth lens element is aspheric; at least one of the object-side surface and the image-side surface of the fifth lens element is aspheric; the image-side surface of the seventh lens element is aspheric, the seventh lens element has the image-side surface being concave in a paraxial region thereof and comprises at least one convex shape in an off-axis region thereof.

US Pat. No. 10,890,738

OPTICAL IMAGING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An optical imaging lens assembly comprising five lens elements, the five lens elements being, in order from an object side to an image side:a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof;
a second lens element;
a third lens element having negative refractive power;
a fourth lens element; and
a fifth lens element having negative refractive power;
wherein an Abbe number of the second lens element is V2, an Abbe number of the third lens element is V3, an Abbe number of the fourth lens element is V4, a focal length of the second lens element is f2, a focal length of the third lens element is f3, an axial distance between the second lens element and the third lens element is T23, an axial distance between the third lens element and the fourth lens element is T34, an axial distance between the object-side surface of the first lens element and an image-side surface of the fifth lens element is TD, an axial distance between the image-side surface of the fifth lens element and an image surface is BL, an axial distance between the object-side surface of the first lens element and the image surface is TL, a focal length of the optical imaging lens assembly is f, an f-number of the optical imaging lens assembly is Fno, and the following conditions are satisfied:
35 |f3/f2|<2.33;
T23/T34<2.0; and
1.25 0.5 1.0

US Pat. No. 10,890,737

OPTICAL IMAGING SYSTEM

Samsung Electro-Mechanics...

1. An optical imaging system comprising:a first lens having an image-side surface that is concave;
a second lens having a positive refractive power;
a third lens having an object-side surface that is convex;
a fourth lens having an object-side surface that is convex and an image-side surface that is concave;
a fifth lens having a refractive power; and
a sixth lens having a refractive power and an image-side surface having an inflection point;
wherein the first lens through the sixth lens are sequentially disposed in numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system, and
the optical imaging system satisfies the following conditional expressions:
TL/(2Y)?1.01
1.2?tan ?
where TL is a distance from an object-side surface of the first lens to the imaging plane, 2Y is a diagonal length of the imaging plane, and ? is half of a field of view of the optical imaging system, and
a refractive index of the first lens or the second lens is 1.6 or more.

US Pat. No. 10,890,736

ATHERMALIZED AND ACHROMATIZED MULTISPECTRAL OPTICAL SYSTEMS AND METHODS OF DESIGNING SAME

Rochester Precision Optic...

1. An optical system for transmitting infrared light, comprising:a first glass element having a first thermal glass constant-instantaneous Abbe number product and a first peak wavelength;
a second glass element having a second thermal glass constant-instantaneous Abbe number product and a second peak wavelength, the first thermal glass constant-instantaneous Abbe number product and the second thermal glass constant-instantaneous Abbe number product differing from one another by greater than 0.0075 K?1, each of the first peak wavelength and the second peak wavelength being greater than about 6 microns; and
a third glass element having a third thermal glass constant-instantaneous Abbe number product and a third peak wavelength, the third peak wavelength differing from the first peak wavelength and the second wavelength by at least 3 microns, the third peak wavelength being in the range 1 to 5 microns;
the sum of the first thermal glass constant-instantaneous Abbe number product, the second thermal glass constant-instantaneous Abbe number product, and the third thermal glass constant-instantaneous Abbe number product being about zero.

US Pat. No. 10,890,735

ROTATIONALLY STABILIZED ATMOSPHERIC REFLECTOR TO REDUCE SOLAR IRRADIANCE

1. Method of locating a rotary wing vehicle with large reflective surfaces at high altitude for extended periods, consisting of:using thin reflective sheets to cover a large portion of a vehicle planform means of holding said thin reflective sheets in tension using centrifugal stresses resulting from rotation to form the large reflective surfaces;
generating aerodynamic lift by aerodynamic rotor blades generally located at the periphery of the thin reflective sheets;
rotating said thin reflective sheets and rotors, by the use of motors and propellers, wherein the motors are powered by solar photovoltaic means;
cancelling torque from each motor by connecting said rotors in a quadrotor fashion, where adjacent rotors have opposite senses of rotation;
maneuvering by varying the thrust of each of the rotors independently;
generating additional aerodynamic lift by causing said rotary wing vehicle with the large reflective surfaces to move edgewise in a manner similar to that of a frisbee toy.

US Pat. No. 10,890,734

CAMERA ACTUATOR FOR LENS AND SENSOR SHIFTING

Apple Inc., Cupertino, C...

1. A camera, comprising:a lens that defines an optical axis;
an image sensor configured to capture light passing through the lens and convert the captured light into image signals;
a voice coil motor (VCM) actuator, including:
a magnet;
a plurality of coils;
a sensor shift platform coupled to the image sensor such that the image sensor moves together with the sensor shift platform;
a first set of one or more flexures configured to mechanically connect the sensor shift platform to a first static member of the camera that is configured to be static relative to the sensor shift platform; and
a second set of one or more flexures configured to mechanically connect a coil holder to a second static member of the camera that is configured to be static relative to the sensor shift platform, wherein the coil holder is configured to support one or more coils of the plurality of coils;
wherein the VCM actuator is configured to:
move the image sensor in a plurality of directions orthogonal to the optical axis; and
move the image sensor or the lens along the optical axis.

US Pat. No. 10,890,733

IMAGE SENSOR MODULE WITH AUTO FOCUS CONTROL

ams Sensors Singapore Pte...

1. An image sensor module comprising:a lens barrel sub-assembly including an optical sub-assembly disposed inside a lens barrel housing;
an image sensor;
a spacer separating the lens barrel sub-assembly from the image sensor, wherein the spacer is fixedly attached by adhesive directly to the lens barrel housing and rests directly on an inactive area of the image sensor; and
an actuator operable to adjust a position of the optical sub-assembly inside the lens barrel housing;
wherein the spacer includes a multitude of protrusions.

US Pat. No. 10,890,732

LENS, LENS HOLDER COMPONENT AND STROBE LAMP

NINGBO VASA INTELLIGENT T...

1. A lens, comprising a lens body (1), the lens body is substantially in a shape of a circular table, a small end of the lens body (1) is provided with a concave inner light source accommodation space (11), the inner surface of the light source accommodation space (11) is an incident surface of light, a surface of a large end of the lens body (1) is an exit surface, and a side surface of the lens body (1) is a reflecting surface, wherein a bottom of the light source accommodation space (11) is provided with a cylindrical protrusion (12), cross section dimension of the light source accommodation space (11) gradually decreases, from the small end of the lens (1) to the large end of the lens (1);the cylindrical protrusion (12) is formed by protrusion from the bottom of the light source accommodation space (11) toward the small end of the lens body (1).

US Pat. No. 10,890,731

ADAPTER WITH LC-TYPE TWO-CORE SHUTTER

SANWA DENKI KOGYO CO., LT...

1. An adapter with LC-type two-core shutter, the adapter including:an upper lid housing which is provided in right and left wall surfaces with locking projections and provided in an upper wall surface with an arm;
a shutter plate which is arranged in an opening side of the upper lid housing in a rising direction and freely opens and closes;
a sleeve holder which has a split sleeve built-in; and
a lower lid housing which is provided in right and left wall surfaces with locked hole portions for fitting the locking projections and provided in an upper wall surface with a locking concave portion locking the arm,
wherein the upper lid housing and the lower lid housing are connected while holding the sleeve holder therebetween, by engaging the arm and the locking concave portion, and by engaging the locking projections and the locked hole portions.

US Pat. No. 10,890,730

FIBER OPTIC CABLE CLAMP AND CLAMP ASSEMBLY

COMMSCOPE TECHNOLOGIES LL...

1. A fiber optic cable clamp comprising:first and second clamp halves each defining a first fan-out portion configured to route a plurality of optical fibers to telecommunications equipment, and a second portion extending from the first fan-out portion and configured to secure an end of a flexible conduit carrying optical fibers, each of the first fan-out portion and the second portion of each of the first and second clamp halves comprising an exterior wall and an interior wall; and
at least one slot disposed on the exterior wall of at least one of the second portions, the at least one slot configured to receive a bracket arm for mounting the clamp.

US Pat. No. 10,890,729

FIBER DROP TERMINAL AND BRACKET

CommScope Technologies LL...

1. A system for mounting fiber optic connection locations to a pole, the system comprising:a bracket extending along a length between opposite first and second ends and along a width between opposite first and second sides, the length being longer than the width, the bracket having a front and a rear each extending along the length and along the width, the rear of the bracket being configured to face the pole when the bracket mounts to the pole, the front of the bracket including a plurality of receptacles; and
a terminal having a front and a rear, the front of the terminal carrying a plurality of fiber optic connection locations accessible from an exterior of the terminal, the fiber optic connection locations being angled to face at least partially towards the second end of the bracket, the rear of the terminal being configured to face the front of the bracket when the terminal is mounted to the bracket, the terminal having a portion that seats in the plurality of receptacles at the front of the bracket.

US Pat. No. 10,890,728

ON CHIP WAVELENGTH MULTIPLEXING AND DEMULTIPLEXING IN MULTIMODE WAVEGUIDE

The Trustees of Columbia ...

1. A method, comprising:coupling a plurality of optical filters to a substrate; and
coupling a polymeric waveguide to the plurality of optical filters, wherein the polymeric waveguide is configured to receive, from free space, an optical signal, guide the optical signal along the polymeric waveguide, and communicate, via the plurality of optical filters, one or more components of the optical signal to an integrated chip.

US Pat. No. 10,890,727

LIGHT MODULE FOR ILLUMINATING AN OUTER COMPONENT OF A VEHICLE, AND PROCESS FOR MANUFACTURING SUCH LIGHT MODULE

1. A light module for illuminating an outer component of a vehicle, the light module comprising:a housing for fastening the light module to the vehicle;
a cover mounted on the housing;
an inner space delimited between the housing and the cover;
a printed circuit board mounted in the inner space;
a light source mounted on the printed circuit board and configured for emitting an illumination beam; and
a light guide mounted in the housing facing the light source and extending outside the inner space for guiding the illumination beam along the outer component;
wherein the housing and the printed circuit board are provided with complementary indexing means tightly fitted relative to each other, for directly positioning the light source mounted on the printed circuit board relative to the light guide mounted in the housing, and
wherein the light guide includes an optical fiber extending outside the inner space and a lens positioned between the light source and an entry opening of the optical fiber such that the illumination beam emitted by the light source is focalized toward the entry opening of the optical fiber.

US Pat. No. 10,890,726

PLUGGABLE OPTICAL MODULE AND OPTICAL COMMUNICATION SYSTEM

NEC CORPORATION, Tokyo (...

1. A pluggable optical module comprising:a pluggable electric connector configured to be insertable into and removable from an optical communication apparatus, and to be capable of communicating a modulation signal and a data signal with the optical communication apparatus;
a wavelength-tunable light source configured to output an output light and a local oscillation light that have a predetermined wavelength;
an optical transmitter configured to output a first optical signal generated by modulating the output light in response to the modulation signal;
an optical receiver configured to demodulate a second optical signal received by using the local oscillation light to the data signal and output the demodulated data signal; and
a pluggable optical receptor configured in such a manner that a first optical fiber and a second optical fiber are insertable into and removable from the pluggable optical receptor, and configured to be capable of outputting the first optical signal to the first optical fiber and transferring the second optical signal received thorough the second optical fiber to the optical receiver,
wherein the wavelength-tunable light source comprises:
a light source configured to output light;
an isolator configured to transmit the light from the light source; and
an optical splitter configured to split the light from the isolator into the output light and the local oscillation light.

US Pat. No. 10,890,725

OPTICAL CONNECTOR AND CONTROL METHOD OF DISPLAY APPARATUS

SAMSUNG ELECTRONICS CO., ...

1. A display apparatus comprising:a speaker;
an optical connector configured to be connectable with an optical cable via insertion of the optical cable into the optical connector, to connect the display apparatus to an external apparatus, the optical connector including
a contact point, and
a protruded pin being moved to contact the contact point based on the optical cable being inserted into the optical connector, thereby generating an electric signal, and being separated by elasticity from the contact point based on the optical cable being not inserted into the optical connector; and
a processor configured to:
identify whether the optical connector is connected with or separated from the optical cable based on whether the electric signal is generated, and
control audio output to be output from the speaker or from the external apparatus via the optical cable, based on whether the optical connector and the optical cable are identified as connected or separated.

US Pat. No. 10,890,724

OPTICAL ASSEMBLY WITH CABLE RETAINER

3M Innovative Properties ...

1. An optical assembly configured to be assembled to a housing of an optical connector and comprising:an optical ferrule;
an optical fiber retainer spaced apart from the optical ferrule; and
an optical fiber permanently attached to the optical ferrule at a first location of the optical fiber and attached to the optical fiber retainer at a second location, spaced apart from the first location, of the optical fiber, the optical fiber having a third location, the optical fiber retainer being disposed between, and spaced apart from, the first and third locations, such that when the optical assembly is assembled to the housing of the optical connector, the optical fiber retainer is attached to the housing and provides the only attachment of the optical assembly to the housing, wherein the optical ferrule comprises a top major top surface opposite a bottom major mating surface, the optical fiber permanently attached to the top major surface, the major mating surface configured to slidably contact a corresponding mating surface of a mating light coupling unit, the major mating surface comprising a plurality of spaced apart posts extending therefrom, such that when the major mating surface slidably contacts the corresponding mating surface of the mating light coupling unit, top surfaces of at least some of the posts make contact with the corresponding mating surface.

US Pat. No. 10,890,723

ALIGNMENT ADAPTER AND ALIGNMENT DESIGN FOR A CONNECTOR THEREFOR

US Conec, Ltd., Hickory,...

1. An adapter for aligning a first fiber optic ferrule inserted from a first side and a second fiber optic ferrule inserted from a second side, comprising:a main body having an opening defined by two opposing side walls, a top surface and a bottom surface, the opening extending between the first side and the second side, the first side and the second side separated by a central portion inside the main body; and
a plurality of grooves disposed in a second top surface and a plurality of grooves disposed in a second bottom surface of the central portion, the second top surface and the second bottom surface being different from the top surface and the bottom surface in the main body, each of the plurality of grooves extending into the central portion from each of the first side and the second side.

US Pat. No. 10,890,722

FIBER OPTIC CONNECTOR

Steve Cheng, Emerald Hil...

1. A fiber optic connector assembly, comprising:a boot portion connected to a fiber optic cable;
a fixed body portion connected to the boot portion;
a shrouded coupler connected to the fixed body portion, the shrouded coupler including a shroud disc and cleaning media agent at one end thereof;
a ferrule connected to the shrouded coupler and configured to couple to the shroud disc of the shrouded coupler; and
a bulkhead adapter configured to receive the shrouded coupler and provide connection for a fiber optic cable.

US Pat. No. 10,890,721

METHOD OF ASSEMBLING A FIBRE CONNECTOR

Hexatronic Group AB, Got...

1. A method comprising:providing a ferrule assembly mounted at an end of an optical fibre, the ferrule assembly comprising a ferrule and a ferrule back body, wherein the ferrule is mounted in an opening of the ferrule back body, wherein the optical fibre extends through the ferrule along an axial direction of the ferrule assembly, and wherein the ferrule back body has a guide element;
passing the ferrule assembly through a tubular section such that a portion of the optical fibre ends up in the tubular section;
passing the ferrule assembly through a passage of a biasing member, while maintaining a portion of the optical fibre inside the tubular section, until at least a portion of the ferrule back body protrudes out of the passage at a far side of the biasing member;
inserting the at least a protruding portion of the ferrule back body into an opening of a ferrule back body holder, wherein the insertion comprises:
moving the ferrule assembly relative to the ferrule back body holder in the axial direction until at least a portion of the ferrule back body is located in the opening of the ferrule back body holder; and
maintaining, during the relative movement in the axial direction, an orientation of the ferrule back body relative to the ferrule back body holder determined by the guide element; and
attaching the ferrule back body holder to the at least a portion of the ferrule back body located in the opening of the ferrule back body holder, the ferrule back body holder thereby preventing the ferrule assembly from passing back through the passage of the biasing member.

US Pat. No. 10,890,720

METHOD OF MEASURING A TIME-VARYING SIGNAL EMISSION

GEN-PROBE INCORPORATED, ...

1. A method of measuring a time-varying signal emission, comprising:(a) subjecting the contents of a receptacle to a thermal cycling process;
(b) during step (a), measuring a signal emission from the contents of the receptacle at regular first time intervals and recording the measured signal emission and a first time stamp at each time interval;
(c) during step (a), determining a temperature of the thermal cycling process at regular second time intervals and recording the determined temperature and a second time stamp at each time interval, wherein the regular first time intervals and the first time stamps are different from the regular second time intervals and second time stamps, respectively; and
(d) synchronizing the measured signal emissions with a specific temperature of the thermal cycling process by comparing the first time stamps of the measured signal emissions with the second time stamps of the determined temperatures that correspond with the specific temperature.

US Pat. No. 10,890,719

OPTICAL INTERCONNECT FOR SWITCH APPLICATIONS

1. An optical connector for a silicon photonics chip, comprising:a housing having an end cavity;
a plurality of lenses, arranged in a plurality of linear arrays forming a matrix, within the housing by the end cavity;
a plurality of planar lightwave circuits (PLCs), positioned within the housing in parallel next to one another and mounted on top of the lenses, to pass light to or receive light from the lenses, wherein some of the plurality of PLCs include at least one optical multiplexer and others of the PLCs include at least one optical demultiplexer, and wherein the optical multiplexer and the optical demultiplexer include arrayed waveguide gratings (AWGs); and
a plurality of optical fibers coupled to an opposing side of the PLCs, the opposing side being opposite a side of the PLCs mounted to the lenses.

US Pat. No. 10,890,718

SILICON PHOTONIC INTEGRATED SYSTEM IN A SWITCH

Centera Photonics Inc., ...

1. A silicon photonic integrated system in a switch, comprising:a multi-wavelength laser module, configured to emit n laser beams with different peak wavelengths, wherein n is an integer greater than 2 and laser beams are continuous waves;
a first multiplexer, optically coupled to the multi-wavelength laser module and configured to receive the laser beams and combine the laser beams into a combined beam;
an optical channel having a beam splitter and m light modulators, wherein m is an integer smaller than n, configured to receive the combined beam; and
a light signal generating element, receiving the combined beam through the optical channel and modulating the combined beam to emit a plurality of light output signals,
wherein the beam splitter receives the combined beam through the optical channel, splits the combined beam into a plurality of first beams, and respectively transmits the plurality of first beams to a demultiplexer in the m light modulators, each of the plurality of first beams comprises n laser beams with different peak wavelengths, and the m light modulators respectively modulating the plurality of first beams to respectively emit the plurality of light output signals.

US Pat. No. 10,890,717

OPTICAL DELAY METHOD AND SYSTEM

POLITECNICO DI MILANO, M...

1. An optical delay method comprising:providing an optical delay device comprising:
a first stage comprising a variable input coupler having a first input port, a first output port and a second output port, and a first optical path and a second optical path optically connected, respectively, to said first output port and said second output port, wherein a difference in optical length between the first optical path and the second optical path is greater than zero;
an intermediate stage comprising:
an intermediate variable coupler having a first input port and a second input port and a first output port and a second output port, wherein the first input port and the second input port of the intermediate coupler are optically connected, respectively, to the first and second optical paths downstream of the first optical path and the second optical path;
a third optical path and a fourth optical path optically connected to said first output port and said second output port of the intermediate coupler, respectively, downstream of the intermediate coupler, wherein a difference in optical length between the third optical path and the fourth optical path is greater than zero;
an output stage comprising a variable output coupler having a first input port and a second input port and a first output port, wherein the first input port and the second input port of the output coupler are optically connected, respectively, to the third optical path and the fourth optical path, downstream of the third optical path and the fourth optical path,
wherein each of said input coupler, said intermediate coupler and said output coupler comprises a respective first and second coupler, each having a respective coupling ratio equal to 0.5, and two respective optical paths to connect the respective first and second couplers;
selecting a value K1 among a plurality of values comprising a minimum value greater than or equal to zero, a maximum value less than or equal to one and at least one value between said minimum and maximum values;
setting a coupling ratio of said input coupler and said output coupler equal to said selected value K1, wherein K1=sin2(?) with ? greater than or equal to zero and less than or equal to ?/2, wherein ? is equal to half of an optical phase variation introduced between said two respective optical paths of each of said input coupler and said output coupler;
setting a coupling ratio of said intermediate coupler equal to a value K2, wherein K2=sin2(A*?),A being a parameter having a value selected in the interval from 1.5 to 2.5, extremes included;introducing a first optical signal into said first input port of said input coupler;
delaying said first optical signal by an optical delay by propagating said first optical signal along said optical delay device;
picking up said delayed first optical signal from said first output port of said output coupler.

US Pat. No. 10,890,716

FIBER SPLITTER AND CONNECTION MODULE

CommScope Connectivity Be...

1. A fiber optic splitter arrangement comprising:a housing defining an interior, the housing having at least one input and at least one output;
a plurality of optical power splitters disposed within the interior, each optical power splitter having a separate splitter input and each optical power splitter having a plurality of splitter outputs, each of the optical power splitters being configured to split optical signals carried over a fiber received at the splitter input onto the respective splitter outputs; and
a multi-fiber connector terminating distal ends of at least some of the splitter outputs of each of at least two of the optical power splitters.

US Pat. No. 10,890,715

LIGHT GUIDE MODULE WITH A PLURALITY OF LIGHT GUIDE COLUMNS AND A PLATE WITH PROTRUSIONS CONNECTED TO THE LIGHT OUTLET END OF EACH COLUMN

DELTA ELECTRONICS, INC., ...

1. A light guiding module, comprising:a light guiding assembly comprising:
a base;
a plurality of light guiding columns comprising a plurality of light inlet ends and a plurality of light outlet ends, wherein the light inlet ends are connected to the base; and
a plurality of first connection portions connected between the light guiding columns; and
a plate comprising:
a first surface abutted against and connected to the plurality of light outlet ends; and
a plurality of extending portions extended from the first surface, wherein each of the plurality of extending portions includes a first protrusion and a second protrusion, and each of the second protrusions of the plurality of extending portions is disposed between each of the first protrusions of the plurality of extending portions and the first surface, wherein a part of the first protrusions and the second protrusions are extended along a first direction, and a rest of the first protrusions and the second protrusions are extended along a second direction;
wherein the first connection portions of the light guiding assembly are disposed between the first protrusions and the second protrusions of the extending portions.

US Pat. No. 10,890,714

WAVEGUIDE-BASED LIGHT SOURCES WITH DYNAMIC BEAM SHAPING

Ideal Industries Lighting...

1. A luminaire comprising:a light source;
a waveguide including a waveguide body and a light extraction component on one or more surfaces of the waveguide body, the waveguide body transmitting light from the light source to the light extraction component by total internal reflection (TIR), wherein the light extraction component includes one or more reversibly moveable surfaces for altering illuminance distribution patterns of the luminaire in response to one or more forces applied to the light extraction component by a force application assembly of the luminaire, wherein the one or more reversibly moveable surfaces are movable between a generally convex shape and a generally concave shape.

US Pat. No. 10,890,713

LIGHT EMITTING GROUP

Lumieye Technology Co., L...

1. A light emitting group comprising:at least two optical cables are adjacent to each other, wherein each optical cable respectively comprises a conductive material and a light guide material, wherein the light guide material covers the conductive material; and
a plurality of encapsulated light emitting elements, wherein each optical cable corresponds to at least one encapsulated light emitting element of the plurality of encapsulated light emitting elements, and the encapsulated light emitting elements are positioned at a terminal of each optical cable, wherein a minimum side of the encapsulated light emitting element is longer than a thickness of the light guide material, and a connecting line is connected with two centers of the two optical cables from a cross-sectional direction, and at least one encapsulated light emitting element of the plurality of encapsulated light emitting elements overlaps with a perpendicular bisector in the connecting line.

US Pat. No. 10,890,712

PHOTONIC AND ELECTRIC DEVICES ON A COMMON LAYER

Raytheon BBN Technologies...

1. A structure, comprising: a photonic device and an electronic device on a common single crystal structure, such single crystal structure comprising: a Group III-N compound layer and a layer of Aluminum Scandium Nitride, the layer of Aluminum Scandium Nitride being common to the photonic device and the electronic device.

US Pat. No. 10,890,711

INSULATION DETECTION CIRCUIT AND METHOD, AND BATTERY MANAGEMENT SYSTEM

Contemporary Amperex Tech...

1. A battery management system, comprising:an insulation detection circuit, comprising a first isolation module, a voltage division module, a signal generation module, a first sampling point and a second sampling point, wherein a first end of the first isolation module is connected to a positive electrode of a power battery under detection, a second end of the first isolation module is connected to the second sampling point, the signal generation module is connected to the first sampling point, a first end of the voltage division module is connected to the first sampling point, and a second end of the voltage division module is connected to the second sampling point;
a memory configured to store computer codes; and
a processor configured to execute the computer codes to:
acquire a first sampled signal from the first sampling point and acquire a second sampled signal from the second sampling point when a preset condition is satisfied, wherein the preset condition is the signal generation module generates an AC voltage signal of a predetermined frequency; and
calculate an insulation resistance of the power battery under detection according to the first sampled signal and the second sampled signal.

US Pat. No. 10,890,710

DISPLAY DEVICE AND BACKLIGHT MODULE THEREOF

AU OPTRONICS CORPORATION,...

1. A backlight module, comprising:a collimated light source configured to generate a collimated light; and
a light guide plate having a bottom surface and a top surface opposite to each other and a light entrance surface connected to an end of the bottom surface and an end of the top surface respectively, the light entrance surface being disposed toward the collimated light source for receiving the collimated light,
wherein, the bottom surface inclines toward the top surface from the end of the bottom surface connected to the light entrance surface, and a first angle exists between an extending direction of the bottom surface and an extending direction of the top surface, a plurality of first grooves are disposed side by side on the bottom surface and respectively extend along a length direction of the light entrance surface, each of the first grooves has a first light receiving surface closer to the light entrance surface, and each of the first light receiving surfaces extends toward the top surface and inclines away from the light entrance surface, and each of the first light receiving surfaces has a first end facing the top surface, wherein compared to a vertical projection of the first end of the first light receiving surface closer to the light entrance surface on the light entrance surface, a vertical projection of the first end of the first light receiving surface farther from the light entrance surface has a vertical projection on the light entrance surface is closer to the top surface, wherein a first acute angle exists between an extending direction of the first light receiving surface of each of the first grooves and an extending direction of the light entrance surface, the first acute angle is equal or larger than 45 degrees, a plurality of second grooves are disposed side by side on the top surface and respectively extend along the length direction of the light entrance surface, each of the second grooves has a second light receiving surface closer to the light entrance surface, and each of the second light receiving surfaces extends toward the bottom surface and inclines away from the light entrance surface, wherein each of the second grooves has a second wall surface farther from the light entrance surface and connected to the second light receiving surface, an angle between the second wall surface and the second light receiving surface is 90 degrees?abs(atan(n*sin(?)/(1?n*cos(?)))) (n: a refractive index of the light guide plate,?=abs((the first acute angle)*2-90 degrees)).

US Pat. No. 10,890,709

ASYMMETRICAL LIGHT INTENSITY DISTRIBUTION FROM LUMINAIRE

Lumileds LLC, San Jose, ...

1. A lighting system, comprising:a light guide configured to receive light from a plurality of light-emitting diodes positioned proximate a perimeter of the light guide,
the perimeter including a first perimeter location,
the received light being guidable inside the light guide as guided light,
the light guide having a light-emission surface configured to allow at least a portion of the guided light to exit the light guide through the light-emission surface,
the light guide having a reflection surface opposite the light-emission surface,
the reflection surface configured to reflect at least a portion of the guided light such that the reflected portion remains in the light guide as guided light,
the reflection surface including a plurality of grooves that extend parallel to one another along the reflection surface,
each groove extending into the reflection surface,
each groove including a first surface that is inclined toward the first perimeter location at a respective angled surface inclination angle,
each groove including a second surface, adjoining the first surface, that is oriented orthogonal to the light-emission surface,
the grooves increasing in depth with increasing distance away from the first perimeter location,
the angled surface inclination angle varying such that an acute angle between the first surface and the second surface decreases with increasing distance away from the first perimeter location,
the second surfaces being configured to reflect light away from the first perimeter location, such that the majority of the light emitted from the light-emission surface is in a direction away from the first perimeter location.

US Pat. No. 10,890,708

LIGHT GUIDE PLATE HAVING ENGRAVED PATTERN AND BACKLIGHT UNIT HAVING SAME AND DISPLAY DEVICE HAVING SAME

KOYJ CO., LTD., Chungju-...

1. A light guide plate having an engraved pattern, the light guide plate comprising:a light guide plate member allowing light of a light source incident upon a first side surface thereof to be output to an upper surface thereof, and having multiple engraved patterns formed in a lower surface thereof and arranged to be spaced apart from each other,
wherein each of the engraved patterns is configured such that an arc-shaped light incident surface thereof that is oriented toward the light source has a predetermined curvature on a plane and a vertical section thereof taken along a straight line passing through a center of the light incident surface is triangular, and
wherein the light incident surface has an arc-shaped upper curved line positioned at an upper end thereof and having a predetermined curvature on a plane and an arc-shaped lower curved line positioned at a lower end thereof and having a predetermined curvature on a plane, the curvature of the lower curved line being smaller than that of the upper curved line, and the lower curved line has a radius of curvature of 30 ?m to 150 ?m.

US Pat. No. 10,890,707

HOLOGRAPHIC WAVEGUIDE APPARATUS FOR STRUCTURED LIGHT PROJECTION

DigiLens Inc., Sunnyvale...

1. A structured light projector comprising:a light source emitting light of a first wavelength;
at least one switchable grating switchable between a non-diffracting and a diffracting state; and
at least one passive grating,
at least one of said switchable and passive gratings providing a first grating configuration for projecting uniform illumination in a first interval of time,
at least one of said switchable and passive gratings providing a second grating configuration for projecting structured illumination in a second interval of time;
all of the foregoing disposed in a waveguide; and
wherein said first and second grating configurations are disposed in upper and lower waveguide substrates respectively, wherein said first grating configuration comprises, disposed in said upper waveguide substrate, a switchable input grating coupler in its diffracting state and a switchable output grating coupler in its diffracting state, wherein said switchable input grating coupler in its diffracting states couples said light into said upper waveguide substrate and said switchable output grating coupler in its diffracting state deflects uniform illumination out of said upper waveguide substrate, wherein said lower waveguide substrate admits through the reflecting surfaces of said upper waveguide substrate when said upper waveguide substrate input grating coupler and output grating coupler are in their non-diffracting states.

US Pat. No. 10,890,706

OPTICAL DEVICE

Omron Corporation, Kyoto...

1. An optical device comprising:a light guide plate configured to guide light within a plane parallel to an emission surface thereof; and
a plurality of optical deflectors arranged two-dimensionally within a plane parallel to the emission surface,
wherein each of the optical deflectors comprises a reflective element, deflects light propagating through the light guide plate, and causes the emission surface to output light forming an image in a space,
wherein reflectance of the reflective element in each of the optical deflectors are mutually different in accordance with location of the image, and
wherein each of the optical deflectors is configured to:
spread the light incident thereon that has an intensity distribution corresponding to an image in a direction orthogonal to the light guide direction of the light guide plate in a plane parallel to the emission surface, and
cause the emission surface to output said light which groups the light from the plurality of optical deflectors arranged along a direction orthogonal to the light guide direction, such that light radiating from the image is formed.

US Pat. No. 10,890,705

DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME

Samsung Display Co., Ltd....

1. A display apparatus comprising: a display panel; a light guide plate; a wavelength conversion portion disposed on an upper surface of the light guide plate; wherein the light guide plate comprises: a light guide portion guiding a light to the display panel and disposed under the display panel, a side cover portion disposed on the upper surface of the light guide portion, extending along an edge of the upper surface of the light guide portion, and covering all lateral side surfaces of the wavelength conversion portion; and an upper cover portion disposed on the wavelength conversion portion and covering the wavelength conversion portion, wherein: a side surface of the side cover portion and a side surface of the light guide portion are connected to each other; the upper cover portion is extended to directly contact an entire upper surface of the side cover portion so as to directly couple the upper cover portion to the side cover portion; the wavelength conversion portion is fully sealed to prevent penetration of external moisture and air by the upper surface of the light guide portion, the side cover portion, and the upper cover portion; and a maximum thickness of the upper cover portion is less than a maximum thickness of the light guide portion; and wherein the light guide portion and the side cover portion are integrally formed of a transparent material.

US Pat. No. 10,890,704

DISPLAY DEVICE AND METHOD FOR SELECTING OPTICAL FILM OF DISPLAY DEVICE

DAI NIPPON PRINTING CO., ...

1. A display device comprising a display element, a polarizer A on a surface on a light emitting surface side of the display element and a plurality of optical films on the polarizer A,wherein when the optical film located farthest among the plurality of optical films on the polarizer A from the display element is defined as an optical film X,
wherein the optical film X is a polyester film having retardation value of 4,000 nm or more,
wherein the display device satisfies the following Condition 1-1 and Condition 2-1:let L1 represent light incident vertically on the optical film X, among light incident on the optical film X from a display element side; an intensity of the L1 is measured every 1 nm; a blue wavelength band range is from 400 nm to less than 500 nm, a green wavelength band range is from 500 nm to less than 600 nm, and a red wavelength band range is from 600 nm to 780 nm; let Bmax represent a maximum intensity of the blue wavelength band of the L1, Gmax represent a maximum intensity of the green wavelength band of the L1, and Rmax represent a maximum intensity of the red wavelength band of the L1;
let L1?B represent a wavelength showing the Bmax, L1?G represent a wavelength showing the Gmax, and L1?R represent a wavelength showing the Rmax;
let +?B represent a minimum wavelength showing ½ or less of the intensity of the Bmax, and located in a plus direction side of L1?B, ??G represent a maximum wavelength showing ½ or less of the intensity of the Gmax, and located in a minus direction side of L1?G, +?G represent a minimum wavelength showing ½ or less of the intensity of the Gmax, and located in a plus direction side of L1?G, and ??R represent a maximum wavelength showing ½ or less of the intensity of the Rmax, and located in a minus direction side of L1?R; and
L1?B, L1?G, L1?R, +?B, ??G, +?G and ??R satisfy the following relationships (1) to (4),
+?B L1?B +?G L1?Glet L2 represent light that emits vertically from the light emitting surface side of the optical film X, and passes through a polarizer B having an absorption axis parallel to an absorption axis of the polarizer A; an intensity of the L2 is measured every 1 nm; a wavelength at which an inclination of an optical spectrum of the L2 changes from negative to positive is a bottom wavelength, and a wavelength at which the inclination of the optical spectrum of the L2 switches from positive to negative is a peak wavelength;
let ??R represent a maximum wavelength showing ? or less of the intensity of the Rmax, and located in the minus direction side of L1?R, and +?R represent a minimum wavelength showing ? or less of the intensity of the Rmax, and located in a plus direction side of L1?R; and
a wavelength band ranging from ??R to +?R in the range of 600 nm to 780 nm includes one or more bottom wavelengths and one or more peak wavelengths, and
wherein the display element is an organic electroluminescent (EL) display element or an inorganic electroluminescent (EL) display element.

US Pat. No. 10,890,703

POLARIZING PLATE, POLARIZING PLATE MANUFACTURING METHOD, AND OPTICAL APPARATUS HAVING SPECIFIED MINIMUM WIDTH OF ABSORPTION LAYER

Dexerials Corporation, T...

1. A polarizing plate with a wire grid structure, comprising:a transparent substrate; and
a grid-shaped convex portion which is arranged on the transparent substrate at a pitch shorter than a wavelength of light of a use band and extends in a predetermined direction,
wherein the grid-shaped convex portion includes a reflection layer, a first dielectric layer, and an absorption layer in order from the transparent substrate,
wherein the reflection layer is composed of metal,
wherein as viewed from the predetermined direction, the reflection layer and the first dielectric layer have substantially a same width and a minimum width of the absorption layer is smaller than a minimum width of the reflection layer and the first dielectric layer,
wherein a second dielectric layer is provided on a surface of the absorption layer that is opposite to the first dielectric layer, and
wherein the minimum width of the absorption layer is smaller than a minimum width of the second dielectric layer as viewed from the predetermined direction.

US Pat. No. 10,890,702

METHOD FOR PRODUCING LAMINATED BODY

SUMITOMO CHEMICAL COMPANY...

1. A method for producing a laminated body comprising a polarization layer, a ?/2 layer, a ?/4 layer, a positive C layer, and a transfer adhesive layer;the laminated body being a laminated body comprising the polarization layer, the ?/2 layer, the ?/4 layer, the transfer adhesive layer, and the positive C layer in this member-described order,
the polarization layer, the adhesive layer and the ?/2 layer being laminated in contact with each other in this order,
each of the ?/2 layer and the ?/4 layer comprising a polymerized and oriented liquid crystal, and the ?/4 layer having a thickness of 0.2 to 5 ?m,
the method comprising the step of bonding a bonding body comprising a substrate to an adherend by bonding the transfer adhesive layer side outer surface of the bonding body to the ?/4 layer side outer surface of the adherend through the transfer adhesive layer, and the step of peeling the substrate from the laminated body,
the bonding body being a ready-prepared laminated body comprising the transfer adhesive layer, the positive C layer, and the substrate in this member-described order;
the adherend being:
an adherend comprising the ?/4 layer,
a ready-prepared laminated body comprising the ?/4 layer and the ?/2 layer in this member-described order, or
a ready-prepared laminated body comprising the ?/4 layer, the ?/2 layer and the polarization layer in this member-described order.

US Pat. No. 10,890,700

ELECTRONIC DEVICES HAVING INFRARED-TRANSPARENT ANTIREFLECTION COATINGS

Apple Inc., Cupertino, C...

1. An electronic device comprising:a housing;
a display in the housing having a display cover layer and an array of pixels configured to emit visible light through the display cover layer;
an infrared light emitting component in the housing that is configured to emit infrared light through the display cover layer; and
a coating on the display cover layer that overlaps the array of pixels in a direction normal to the array of pixels and that comprises a stack of thin-film interference filter layers including alternating lower refractive index layers and higher refractive index layers, wherein the coating has a total thickness of 300-700 nm and is configured to exhibit a photopic reflectance of less than 1.5% and an infrared transmittance of greater than 94%.

US Pat. No. 10,890,699

OPTICAL IMAGE LENS ASSEMBLY, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An optical image lens assembly comprising, in order from an object side to an image side:at least six optical lens elements, wherein at least one of the at least six optical lens elements is made of a plastic material comprising at least one long-wavelength light absorbing agent, and the long-wavelength light absorbing agent homogeneously mixed with the plastic material, wherein the optical lens element comprising the long-wavelength light absorbing agent has refractive power, and at least one of an object-side surface and an image-side surface of each of the optical lens elements is aspheric;
wherein an average transmittance in a wavelength range of 650 nm-700 nm of the optical lens element comprising the long-wavelength light absorbing agent is T6570, an average transmittance in a wavelength range of 400 nm-650 nm of the optical lens element comprising the long-wavelength light absorbing agent is T4065, a maximum thickness of the optical lens element comprising the long-wavelength light absorbing agent is TKmax, a minimum thickness of the optical lens element comprising the long-wavelength light absorbing agent is TKmin, and the following conditions are satisfied:
T6570?50%;
61.9%?T4065; and
1.0

US Pat. No. 10,890,698

DIFFRACTION OPTICAL ELEMENT, OPTICAL SYSTEM, AND IMAGING APPARATUS

CANON KABUSHIKI KAISHA, ...

1. A diffraction optical element comprising:a first diffraction grating having a first grating surface and a first grating wall surface;
a second diffraction grating having a second grating surface and a second grating wall surface; and
a plurality of thin films configured to contact the first grating wall surface and the second grating wall surface,
wherein the following conditional expressions are satisfied:
n2 ?0.500 0.013

US Pat. No. 10,890,697

COMPOSITE OPTICAL SHEET AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME

Samsung Display Co., Ltd....

1. A composite optical sheet, comprising:a first optical functional layer having a first surface and a second surface, the first surface comprising a reference plan; and the first optical functional layer comprising a pattern of recesses having a curvature, dented inwardly from the reference plane, the pattern of recesses having different sizes;
a first support layer disposed on the first surface of the first optical functional layer;
a first adhesive layer disposed between the first optical functional layer and the first support layer, wherein the first optical functional layer is coupled with the first adhesive layer by penetrating into the first adhesive layer at least partially;
a second optical functional layer disposed on the first support layer and comprising a pattern of prisms extended in a first direction;
a polarizing layer disposed on the second optical functional layer; and
a second adhesive layer disposed between the second optical functional layer and the polarizing layer, wherein the second optical functional layer is coupled with the second adhesive layer by penetrating into the second adhesive layer at least partially,
wherein a first cross section of the first optical functional layer is different from a second cross section of the second optical functional layer.

US Pat. No. 10,890,696

OCULAR OPTICAL SYSTEM

GENIUS ELECTRONIC OPTICAL...

1. An ocular optical system, configured to allow imaging rays from a display frame to enter an eye of an observer through the ocular optical system to form an image, wherein a side toward the eye is an eye side, and a side toward the display frame is a display side, the ocular lens system comprises a lens element having an eye-side surface that is toward the eye side and allows imaging rays to pass through and a display-side surface that is toward the display side and allows the imaging rays to pass through;wherein the lens element has an optical axis extending from the display side toward the eye side, the display-side surface of the lens element adopts a Fresnel lens design, and the ocular optical system satisfies:
4.317?EFL/T1?12.463,
wherein EFL represents an effective focal length of the ocular optical system, and T1 represents a thickness of the lens element on the optical axis, and
wherein the ocular optical system comprises only one lens element having refracting power.

US Pat. No. 10,890,695

COMPOUND LENS AND DISPLAY DEVICE HAVING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. A compound lens comprising:a central lens portion having a first focal length; and
at least one peripheral lens portion having a second focal length and surrounding the central lens portion,
wherein the first focal length is greater than the second focal length,
wherein the central lens portion comprises one of a biconvex lens, a biconcave lens, a positive meniscus lens, a negative meniscus lens, and a lens having two randomly-curved surfaces, and
wherein the central lens portion provides a higher resolution in a central image region and the at least one peripheral lens portion provides a lower resolution in a peripheral image region.

US Pat. No. 10,890,694

OPTICAL SYSTEM FOR HEAD-MOUNTED DISPLAY SYSTEM

Valve Corporation, Belle...

1. An optical system for use with a micro display to focus light from the micro display onto an eye of a user, the optical system comprising:a first lens element disposed relatively proximate to the micro display, the first lens element comprising a first surface facing toward the micro display and a second surface facing away from the micro display toward the eye of the user, the first surface comprising a concave shape that provides negative power and the second surface comprising a concave shape that provides negative power, and at least one of the first surface and the second surface having Fresnel features thereon that provide include grooves that approximate the continuous curvature of a lens that provides positive power, wherein, for each of the first surface and second surface that includes Fresnel features thereon, the Fresnel features on the surface and the concave shape of the surface cause positive aberrations and negative aberrations to cancel each other; and
a second lens element disposed relatively distal to the micro display, the second lens element comprising a third surface facing toward the micro display and a fourth surface facing away from the micro display toward the eye of the user, the third surface comprising a convex shape and the fourth surface comprising a concave shape, at least one of the third surface and the fourth surface having Fresnel features thereon.

US Pat. No. 10,890,693

TUNABLE ACOUSTIC GRADIENT LENS WITH AXIAL COMPLIANCE PORTION

Mitutoyo Corporation, Ka...

1. A tunable acoustic gradient (TAG) lens comprising:a controllable acoustic wave generating element;
a refractive fluid;
a lens casing surrounding a casing cavity, wherein:
an operational volume of the refractive fluid is contained in the casing cavity and the controllable acoustic wave generating element is arranged inside the lens casing around an optical path that passes through the operational volume, an axial direction of the TAG lens defined as parallel to an optical axis of the optical path; and
the operational volume of the refractive fluid is capable of changing its refractive index along the optical path in response to application of an acoustic wave by the acoustic wave generating element, in accordance with which the TAG lens is controlled to provide a periodically modulated optical power variation for the TAG lens when a periodic drive signal is applied to the acoustic wave generating element; and
the lens casing comprises:
a case wall portion that extends generally along the axial direction, and
first and second case end portions that extend generally transverse to the axial direction, wherein each case end portion comprises a centrally located window configuration comprising a window mounted along the optical path in a window mounting portion and a case end rim portion that is at least partially aligned with and sealed to the case wall portion,
wherein:
each window mounting portion has an overall window mount axial dimension defined between two parallel window mount boundary planes that are perpendicular to the optical axis and that respectively coincide with the furthest interior and exterior surfaces of the that window mounting portion; and
each case end portion further comprises a respective enhanced axial compliance portion that is coupled between and sealed to its associated window mounting portion and case end rim portion and holds its associated window mounting portion in place and is configured to enhance an axial deflection amplitude of its associated window mounting portion relative to its associated case end rim portion when the periodic drive signal is applied to the acoustic wave generating element, wherein:
in each case end portion its respective enhanced axial compliance portion comprises a first reduced thickness region that is characterized by a reduced material thickness along the axial direction that is at most 75% of the overall window mount axial dimension of its associated window mounting portion, and that extends around its associated window mounting portion over a subtended angle of at least 270 degrees around the optical axis.

US Pat. No. 10,890,692

OPTIONALLY TRANSFERABLE OPTICAL SYSTEM WITH A REDUCED THICKNESS

Visual Physics, LLC, Alp...

1. An optical system, which comprises a synthetic image presentation system made up of an arrangement of structured image icons substantially in contact with, but not completely embedded within, an arrangement of focusing elements, wherein the arrangement of focusing elements that is substantially in contact with the arrangement of structured image icons focuses on the arrangement of structured image icons that is substantially in contact with the arrangement of focusing elements and projects at least one synthetically magnified image of at least a portion of structured image icons of the arrangement of structured image icons, the arrangement of focusing elements comprising interstitial space between focusing elements, wherein the interstitial space between focusing elements in the arrangement of focusing elements does not contribute to forming the at least one synthetically magnified image, wherein focal points of the focusing elements lie on or within the arrangement of structured image icons, and wherein the optical system is a spacerless optical system.

US Pat. No. 10,890,691

IMAGING OPTICAL SYSTEM, PROJECTION DISPLAY DEVICE, AND IMAGING APPARATUS

FUJIFILM Corporation, To...

1. An imaging optical system consisting of, in order from a magnification side to a reduction side:a first optical system that includes a plurality of lenses; and
a second optical system that includes a plurality of lenses,
wherein the second optical system forms an intermediate image at a position conjugate to a reduction side imaging surface, and the first optical system re-forms the intermediate image on a magnification side imaging surface,
wherein the first optical system consists of, in order from the magnification side to the reduction side, a first A lens group that has a positive refractive power as a whole, and a first B lens group that has a positive refractive power as a whole and is separated from the first A lens group by a maximum air gap on an optical axis between lens surfaces in the first optical system,
wherein the second optical system consists of, in order from the magnification side to the reduction side, a second A lens group that has a positive refractive power as a whole, and a second B lens group that has a positive refractive power as a whole and is separated from the second A lens group by a maximum air gap on the optical axis between lens surfaces in the second optical system,
wherein a negative lens included in the first B lens group is only a lens which is disposed to be closest to the magnification side in the first B lens group,
wherein a negative lens included in the second A lens group is only a lens which is disposed to be closest to the magnification side in the second A lens group, and
wherein a negative lens included in the second B lens group is only a lens which is disposed to be closest to the magnification side in the second B lens group.

US Pat. No. 10,890,690

ANTIREFLECTIVE SYNTHETIC BROCHOSOMAL COATINGS

THE PENN STATE RESEARCH F...

1. A layer comprising a plurality of interconnected synthetic brochosomes, the synthetic brochosomes comprising:a spherical portion having an interior surface, the interior surface having a shape that is at least a portion of a first sphere having a first diameter; and
a plurality of outgrowths that define a plurality of indentations, the plurality of outgrowths having size and shape consistent with deposition growth that is radially outward from the interior surface and around a plurality of removable structures, the plurality of indentations having a shape that is a negative imprint of one of the plurality of removable structures, the plurality of indentations each having a second diameter,
wherein the second diameter is smaller than the first diameter,
wherein the spherical portion is formed of a material that is capable of receiving an electrodeposition-compatible material,
wherein the plurality of outgrowths are formed of the electrodeposition-compatible material.

US Pat. No. 10,890,688

METHOD FOR GENERATING SECONDARY DATA IN GEOSTATISTICS USING OBSERVED DATA

KOREA INSTITUTE OF GEOSCI...

1. A computer-implemented method for generating and using soft data in geostatistics using observed data, the method comprising:receiving, via a computer, prepared spatial correlation data, hard data, and observed data;
generating, via the computer, initial models by performing a geostatistical technique using the spatial correlation data and the hard data;
extracting, via the computer, a best representative model from the initial models using the observed data and a distance-based clustering method and then, selecting, via the computer, candidate models surrounding the best representative model using the distance-based clustering technique;
determining via the computer, final models after determining that a mean model of the candidate models has converged, but otherwise setting the mean model as the soft data and then repeating the foregoing sequence of steps using the soft data in addition to the prepared spatial correlation data, the hard data, and the observed data; and
after determining a final model, performing, via the computer, dynamic simulation using the final models to estimate uncertainty quantification of future reservoir performance, wherein,
(a) extracting the best representative model comprises (1) forming, via the computer, a plurality of clusters by grouping similar models among the created initial models using the distance-based clustering technique, (2) selecting, via the computer, respective representative models for the plurality of clusters, (3) performing, via the computer, dynamic simulation on the representative models; and (4) selecting, via the computer, the best representative model having a prediction value most similar to the observed data from among the representative models by comparing the observed data with results of the simulation,
(b) creating the final models and the soft data comprises (1) selecting, via the computer, the candidate models near the best representative model in a sequence of closeness from results of performing the distance-based clustering technique, (2) calculating, via the computer, the mean model of the selected candidate models, (3) determining, via the computer, whether the calculated mean model has converged, (4) if it is determined the mean model has not converged, setting, via the computer, the mean model as the soft data, and (5) if it is determined that the mean model has converged, setting, via the computer, the selected candidate models as the final models,
(c) the spatial correlation data and the hard data remain unchanged, and
(d) the hard data are either core data obtained from drilling or data obtained from geophysical well logging.

US Pat. No. 10,890,687

METHOD AND SYSTEM FOR MEASURING FORMATION RESISTIVITY

1. A method for obtaining formation resistivity, comprising:deploying a downhole drilling tool into the wellbore, wherein the downhole drilling tool comprises:
a downhole motor comprising a rotor and a stator;
a universal-joint assembly comprising an upper universal joint and a lower universal joint and a connecting rod connecting the upper universal joint and the lower universal joint;
a drive shaft assembly comprising a drive shaft;
a drill bit coupled to a distal end of the drive shaft; and
a measurement sub,
wherein a distal end of the downhole motor is coupled to the upper universal-joint, the drive shaft assembly is coupled to the lower universal-joint, and
wherein the connecting rod extends through the measurement sub in a longitudinal direction of the measurement sub, and
wherein the stator in the downhole motor comprises a conduit built in the elastomer liner that receives an electric wire or a data cable, and
wherein the measurement sub comprises:
a resistivity measurement tool for measuring a formation resistivity, the resistivity measurement tool having a transmitter, a first receiver, and a second receiver; at least one gamma ray detectors disposed on a surface of the measurement sub; at least one accelerometer for measuring an inclination of the wellbore; at least one ultrasonic probe for measuring a caliper of the wellbore; and a communication module for transmitting data through wired connection or wirelessly;
rotating the measurement sub with the downhole drilling tool;
emitting electromagnetic waves at two or more frequencies using the transmitter in the resistivity measurement tool;
receiving azimuthal electromagnetic signals at the first receiver and the second receiver in the resistivity measurement tool;
calculating a formation boundary information based on measured amplitude ratios and measured phase shifts between electromagnetic fields from two azimuthal sections having a 180° phase difference;
obtaining an apparent resistivity based on the measured amplitude ratios, the measured phase shifts, or both the measured amplitude ratios and the measured phase shifts between electromagnetic signals received by the first receiver and by the second receiver in the resistivity measurement tool;
adjusting the apparent resistivity for a downhole temperature effect; and
adjusting the apparent resistivity for a borehole caliper effect.

US Pat. No. 10,890,686

METHODS FOR PRODUCING A LOG OF MATERIAL PROPERTIES

1. A system for logging layered formation beds penetrated by a borehole, the system comprising:memory that stores logging software; and
one or more processors coupled to the memory to execute the logging software, the software causing the one or more processors to perform a method that includes:
obtaining an electromagnetic logging tool's measured response to at least one electromagnetic transmitter in the borehole; and
using the measured response to update a formation model with at least one bed boundary having an orientation, the orientation being independently variable from orientations of any other bed boundaries, said using including:
determining the electromagnetic logging tool's estimated response for the at least one bed boundary by calculating at least one of: a first term of a transverse electric portion of a vertical magnetic dipole response (TE1 of VMD), a second term of a transverse electric portion of the vertical magnetic dipole response (TE2 of VMD), a third term of a transverse electric portion of the vertical magnetic dipole response (TE3 of VMD), a fourth term of a transverse electric portion of the vertical magnetic dipole response (TE4 of VMD), a first term of a transverse electric portion of a horizontal magnetic dipole response (TE1 of HMD), a second term of a transverse electric portion of the horizontal magnetic dipole response (TE2 of HMD), a third term of a transverse electric portion of the horizontal magnetic dipole response (TE3 of HMD), a fourth term of a transverse electric portion of the horizontal magnetic dipole response (TE4 of HMD), a first term of a transverse magnetic portion of a vertical magnetic dipole response (TM1 of VMD), a second term of a transverse magnetic portion of the vertical magnetic dipole response (TM2 of VMD), a third term of a transverse magnetic portion of the vertical magnetic dipole response (TM3 of VMD), a fourth term of a transverse magnetic portion of the vertical magnetic dipole response (TM4 of VMD), a first term of a transverse magnetic portion of a horizontal magnetic dipole response (TM1 of HMD), a second term of a transverse magnetic portion of the horizontal magnetic dipole response (TM2 of HMD), a third term of a transverse magnetic portion of the horizontal magnetic dipole response (TM3 of HMD), and a fourth term of a transverse magnetic portion of the horizontal magnetic dipole response (TM4 of HMD); and
adjusting the orientation until the estimated response best matches the measured response.

US Pat. No. 10,890,685

APPARATUS AND METHODS FOR DETERMINING PROPERTIES OF HYDROGEN-CONTAINING SAMPLES USING NUCLEAR MAGNETIC RESONANCE

Schlumberger Technology C...

1. A nuclear magnetic resonance (NMR) tool for investigating a sample having a solid portion and a fluid portion, comprising:a magnet;
a transmitter, including a pulse sequencer and a power amplifier, which is configured to generate and transmit an NMR pulse sequence including a first portion and a line-narrowing pulse sequence portion, wherein the first portion comprises a solid state pulse sequence of a first type, and wherein the line-narrowing pulse sequence portion comprises a repeated solid state pulse sequence of a second type different than said first type;
a receiver including at least one antenna arranged to detect signals resulting from interaction of an NMR field varying according to the NMR pulse sequence with the sample, said signals including at least one echo that results from said first portion and a plurality of echoes between pulses of said line-narrowing pulse sequence portion, wherein said at least one echo that results from said first portion is indicative of total hydrogen content of the sample in both the solid portion and the fluid portion of the sample, and wherein said plurality of echoes is indicative of hydrogen content in the fluid portion of the sample; and
a processor that processes said at least one echo that results from said first portion and said plurality of echoes to determine hydrogen content in the solid portion of the sample.

US Pat. No. 10,890,684

DOWNHOLE NUCLEAR MAGNETIC RESONANCE SENSOR USING ANISOTROPIC MAGNETIC MATERIAL

Halliburton Energy Servic...

1. A nuclear magnetic resonance (NMR) sensor, comprising:a magnet that generates a static magnetic field;
a soft magnetic core secured to the magnet; and
an antenna extending at least partially about the soft magnetic core and generating a radio frequency (RF) magnetic field, wherein the soft magnetic core comprises an anisotropic material having a low magnetic permeability in the direction of the static magnetic field and a high magnetic permeability in the direction of the RF magnetic field.

US Pat. No. 10,890,683

WELLSITE SENSOR ASSEMBLY AND METHOD OF USING SAME

National Oilwell DHT, L.P...

1. A wear sensor, comprising:a base;
a plurality of conductive layers stacked on the base, the plurality of conductive layers defining a wear surface; and
a plurality of vias extending through each one of the plurality of conductive layers and to the base,
wherein the plurality of vias is electrically connected to electronics to generate a signal through the plurality of vias whereby, upon wear of each of the plurality of conductive layers, a change in the signal of a corresponding via of the plurality of vias at a depth of the wear is detectable.

US Pat. No. 10,890,682

METHOD AND SYSTEM FOR IMAGING DIPPING STRUCTURES

SCHLUMBERGER TECHNOLOGY C...

1. A method for imaging one or more dipping structures in a subterranean formation, the method comprising:emitting acoustic energy in the form of acoustic waveforms in a borehole penetrating the subterranean formation;
receiving the acoustic waveforms reflected off the one or more dipping structures, wherein the received acoustic waveforms are in the form of array data comprising event signals;
providing a given velocity model;
calculating a travel time for each of the received acoustic waveforms with reference to a trial reflector using the velocity model;
estimating coherency of the event signals with reference to the trial reflector using time-correction for the travel time;
weighting each of the received acoustic waveforms reflected off the one or more dipping structures based on the coherency; and
mapping each of the weighted waveforms.

US Pat. No. 10,890,681

METHOD FOR ANALYZING CEMENT QUALITY IN MULTI-STRING CASED WELLS USING SONIC LOGGING

Schlumberger Technology C...

1. A method for determining cement quality in an outer annulus of a multi-string cased wellbore traversing a formation, wherein the multi-string cased wellbore comprises an inner annulus of fluid, the method comprising:placing a sonic tool comprising at least one transmitter including a monopole source and a dipole source, and a plurality of receivers within the cased wellbore, wherein the inner annulus includes fluid and the outer annulus is fully cemented;
generating waveforms that travel into the casing and the formation using the at least one transmitter;
recording the waveforms at the plurality of receivers to obtain sonic data;
processing the sonic data to obtain a measured slowness dispersion;
generating a plurality of model slowness dispersions for a plurality of different values for cement quality in the outer annulus;
limiting the plurality of model slowness dispersions to one or more selected frequencies to identify a subset of the plurality of model slowness dispersions; and
comparing the measured slowness dispersion to the subset of the plurality of model slowness dispersions for cement quality in the outer annulus to determine cement quality.

US Pat. No. 10,890,680

USE OF EXTERNAL DRIVER TO ENERGIZE A SEISMIC SOURCE

PGS Geophysical AS, Oslo...

1. An apparatus for generating acoustic energy, the apparatus comprising:a seismic source comprising an internal cavity configured to contain a fluid;
a piston external to the seismic source and in fluid communication with the internal cavity, wherein the piston is operable to energize the fluid in the internal cavity of the seismic source; and
a linear motor coupled to the piston.

US Pat. No. 10,890,679

CONVEYANCE SYSTEM AND METHOD FOR UNDERWATER SEISMIC EXPLORATION

Magseis FF LLC, Houston,...

1. A system to acquire seismic data from a seabed, comprising:a case;
a cap positioned adjacent to a first end of the case;
a first fin extending from the cap;
a second fin extending from the cap, the first fin separated from the second fin by a predetermined angle to control rotation of the case through an aqueous medium;
a first conveyor having a first helix structure and provided within the case to receive an ocean bottom seismometer (“OBS”) unit at a first end of the first conveyor and transport the OBS unit via the first helix structure to a second end of the first conveyor to provide the OBS unit on the seabed to acquire the seismic data, a first distance between the first end of the first conveyor and the cap less than a second distance between the second end of the first conveyor and the cap, the OBS unit comprising a geophone;
a support structure extending through a central axis of the first helix structure of the first conveyor and configured to support the first conveyor; the support structure comprising a pole at a center of the first helix structure, the pole comprising grooves configured to couple with the first conveyor; and
a propulsion system comprising a propeller, the propulsion system to receive an instruction and, responsive to the instruction, facilitate movement of the case.

US Pat. No. 10,890,678

SEISMIC EXPLORATION SYSTEM BASED ON UNDERWATER MOBILE PLATFORM

The First Institute of Oc...

1. A seismic exploration system based on an underwater mobile platform, comprising:an add-on type electronic cabin, a circuit integration device, an underwater mobile platform, a mounting mechanism, a multi-electrode emission array and a multi-channel hydrophone linear array;
wherein the add-on type electronic cabin is externally fixed on the underwater mobile platform through the mounting mechanism, the circuit integration device is disposed in the add-on type electronic cabin, the circuit integration device is connected with the multi-electrode emission array, and the multi-electrode emission array is connected with the multi-channel hydrophone linear array; and
the circuit integration device comprises a multi-channel underwater acoustic data acquisition device, a sound source host, a photoelectric junction box, and a battery pack, wherein the multi-channel underwater acoustic data acquisition device is connected with the sound source host, the photoelectric junction box is connected with the multi-channel underwater acoustic data acquisition device, the sound source host, the battery pack and the multi-electrode emission array respectively, the multi-channel underwater acoustic data acquisition device is configured to acquire underwater acoustic data received by the multi-channel hydrophone linear array, the sound source host is configured to control the multi-electrode emission array to excite sound waves by discharge, and the photoelectric junction box is configured to transfer the received optical or electrical signals and manage the battery pack.

US Pat. No. 10,890,677

SYSTEM AND METHOD FOR SOIL MOISTURE MONITORING AND IRRIGATION MAPPING

Valmont Industries, Inc.,...

1. A system for detecting and analyzing fast neutron activity to determine soil moisture levels and to direct the actions of an irrigation machine, wherein the system comprises:a GPS location detector;
a machine orientation detector;
an accelerometer;
a fast neutron detector, wherein the fast neutron detector is comprised of:
a 4-He based noble gas detector;
a power source;
a signal processing circuit, wherein the signal processing circuit is comprised of a resistor in series with a preamplifier and a shaping amplifier to produce a processed signal;
a signal channel analyzer, wherein the signal channel analyzer receives the processed signal from the fast neutron detector and isolates signal data from the processed signal; and
a pulse counter/rate meter, wherein the pulse counter/rate meter provides a count of the detected fast neutrons from the signal data of the processed signal; and
an irrigation system controller, wherein the irrigation system controller receives the count of the detected fast neutrons; further wherein the irrigation system controller further receives GPS coordinates corresponding to the location of the detected fast neutrons; further wherein the irrigation system controller further receives accelerometer data and machine orientation data;
wherein the irrigation system controller translates the detected number of fast neutrons into moisture level data for a given field; further wherein the irrigation system controller combines the moisture level data with the detected GPS coordinates for the detected fast neutrons to create an irrigation map indicating the required levels of irrigation needed for selected areas of the given field based on the detected moisture levels.

US Pat. No. 10,890,676

SPECTROMETRY DEVICE

DETECTION TECHNOLOGY SAS,...

1. A spectrometry device for a beam of photons, the device comprising:a detector configured to receive the beam and to deliver at an output an electrical signal that is a function of the energy of each photon of the beam (X) received,
a reference database configurable by means of a first parameter,
a comparator with two inputs and two outputs, the comparator receiving at its first input the electrical signal that is a function of an energy of a current photon, and at its second input a reference signal delivered by the reference database, the comparator being configured to establish a comparison between the electrical signal and the reference signal, the comparator delivering at its first output a signal (E(t)) representing the energy of each photon of the beam and at its second output a quality factor (B(t)) of the comparison, and
a feedback loop allowing adapting the first parameter of the reference database so as to optimize the quality factor (B(t)), the feedback loop intervening only to refine the determination of the signal (E(t)) representing the energy of the later photons of the beam (X) by adapting the first parameter of the reference database, the feedback loop not involved in determining the energy of the current photon.

US Pat. No. 10,890,675

SYSTEM FOR PROCESSING BEAM POSITION MONITOR SIGNAL

KOREA UNIVERSITY RESEARCH...

1. A system for processing a signal of a beam position monitor, the system comprising:an analog-to-digital converter (ADC) sampler configured to measure signal intensity through an optimization of an ADC sampling rate and bits using a radio frequency (RF) switch and a low noise amplifier (LNA) and to convert an analog signal into a digital signal; and
an FPGA configured to perform digital signal processing,
wherein the FPGA is further configured to comprise:
a digital signal synthesizer configured to extract only an optimized harmonic signal of multiple harmonic signals of the digital signal converted by the ADC sampler through a digital band pass filter so that the multiple harmonic signals are separated and signal processing is performed for each harmonics; and
an IQ calculator configured to perform beam position measurement, beam phase measurement and relative beam current measurement on the extracted digital signal through a digital circuit; and
wherein the digital signal synthesizer is further configured to comprise:
an averaging unit configured to perform averaging on a given interval of the digital signal converted by the ADC sampler;
an A/P calculator configured to translate or inversely translate a size and phase using an IQ value calculated by an IQ calculator; and
an FFT/filtering unit configured to perform a high-speed Fourier transform or filtering.

US Pat. No. 10,890,674

DYNAMIC NOISE SHAPING IN A PHOTON COUNTING SYSTEM

TEXAS INSTRUMENTS INCORPO...

1. A circuit comprising:a charge sensitive amplifier (CSA) configured to generate an integrated signal in response to an input signal;
a filter coupled to the CSA and configured to receive the integrated signal and an event signal, the filter configured to generate a filtered output signal; and
a comparator coupled to the filter and configured to receive a primary reference voltage signal and generate the event signal.

US Pat. No. 10,890,673

X-RAY DETECTOR HAVING A CARRIER ELEMENT WITH PROTECTIVE ELEMENT ALONG THE SIDE FACES

SIEMENS HEALTHCARE GMBH, ...

1. An X-ray detector having a stacking arrangement, comprising:an evaluation unit; and
a carrier unit, a protective element being formed on side faces of the carrier unit, arranged essentially parallel to a stacking direction of the stacking arrangement; and
a plurality of connecting elements,
the evaluation unit and the carrier unit being electrically conductively connected via the plurality of connecting elements,
an interspace being formed between the evaluation unit, the carrier unit and the plurality of connecting elements, and
the protective element being formed in at least one section of the side faces of the carrier unit along an entire outer circumference of the carrier unit and along edges of the side faces of the carrier unit, facing the evaluation unit, wherein the protective element extends along at least a partial height of the carrier unit beginning at an edge between the side faces and a surface of the carrier unit facing the interspace and does not extend past a surface of the carrier unit facing away from the interspace.

US Pat. No. 10,890,672

INTEGRATED PMT AND CRYSTAL FOR HIGH TEMPERATURE SCINTILLATORS

Alpha Spectra, Inc., Gra...

1. A scintillation detection device comprising:a housing comprising a metal material that includes an all-welded assembly to provide a hermetic seal;
a hygroscopic or non-hygroscopic scintillator material disposed within a cavity of the housing;
a loading assembly to provide longitudinal loading, wherein the loading assembly is designed to be operated at temperatures up to 250 degrees Celsius;
a photosensitive device disposed within the cavity of the housing;
a voltage distribution network operatively connected to the photosensitive device; and
an optical couplant optically coupling the scintillator material with the photosensitive device, wherein the photosensitive device receives light from the scintillator material, wherein the scintillation detection device is under vacuum, and wherein the scintillator material is mounted to the photosensitive device.