US Pat. No. 11,029,621

CONDUCTIVE ROLL FOR ELECTROPHOTOGRAPHIC DEVICE

Sumitomo Riko Company Lim...

1. A conductive roll for electrophotographic device, comprising a shaft body and a non-foamed elastic body layer formed on an outer periphery of the shaft body, whereinthe elastic body layer is made of a cross-linked product of a silicone rubber composition containing the following (a) to (d), and
a secondary particle diameter of the following (d) in the elastic body layer is within a range of 100 to 500 nm, and the following (d) has a dimethylsilyl group or a trimethylsilyl group on a surface,
(a) an organopolysiloxane
(b) a crosslinking agent
(c) a microcapsule catalyst made of fine resin particles which encapsulate a crosslinking catalyst by a resin other than a silicone resin
(d) silica having a BET specific surface area of 70 to 350 m2/g,
wherein the resin in (c) is a thermosetting resin,
the resin in (c) is at least one of a polyvinyl butyral resin, an epoxy resin, an acrylic resin, and an unsaturated polyester resin,
and a content of (d) is within a range of 3.0 to 35 parts by mass with respect to 100 parts by mass of (a).

US Pat. No. 11,029,620

ROTARY-BODY SUPPORT STRUCTURE

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

1. A rotary-body support structure comprising:a rotary body including a rotary shaft and a flexible contact portion spirally wound around the rotary shaft; and
bearing parts that rotatably support the rotary body,
wherein the amount of engagement of the rotary body with a contact body that is in contact with the contact portion of the rotary body changes when the rotary body moves toward one side in a rotation axis direction.

US Pat. No. 11,029,619

PRINT SEQUENCE IN AN ELECTROPHOTOGRAPHIC PRINTER

Hewlett-Packard Developme...

1. A method of printing images in an electrophotographic printer, the method comprising:developing a first image on a first portion of an intermediate transfer member by receiving a first sequence of color separations from a photo imaging member; and
developing a second image on a second portion of the intermediate transfer member by receiving a second sequence of color separations from the photo imaging member,
wherein the method comprises:
applying a voltage to the intermediate transfer member during receipt of each color separation from the photo imaging member, and
wherein during the developing of the second image, the method comprises:
inserting at least one null separation into the second sequence of color separations, and
during a period for the null separation:
reducing a voltage applied to the intermediate transfer member, and
transferring the first image to a conductive substrate,
wherein the transfer of the first image to the conductive substrate occurs when a subset of the second sequence of color separations have been received on the second portion of the intermediate transfer member.

US Pat. No. 11,029,617

WHITE TONER AND METHOD FOR PRODUCING SAME

CANON KABUSHIKI KAISHA, ...

1. A white toner comprisinga toner particle that includes a binder resin, an inorganic white pigment and a polyvalent metal salt compound, wherein
the inorganic white pigment has an acidic group at a surface thereof, and a volume amount of the inorganic white pigment in the toner particle is 10% by volume to 50% by volume;
the polyvalent metal salt compound is at least one selected from the group consisting of compounds represented by following formulae (1) and (2):

in the formula (1), R1 is each independently an organic group having from 6 to 40 carbon atoms, M1 is a divalent metal, X1 is a hydroxyl group or a halogen group, p1 represents an integer of 1 to 2, and q1 represents an integer of 0 to 1,
in the formula (2), R2 is each independently an organic group having 6 to 40 carbon atoms, M2 is a trivalent metal, X2 is each independently a hydroxyl group or a halogen group, p2 represents an integer of 1 to 3, and q2 represents an integer of 0 to 2,
an absolute value of the difference between an SP value (J/cm3)1/2 of the binder resin and the SP value (J/cm3)1/2 of the polyvalent metal salt compound is 0.0 to 6.0;
wherein when an amount of the polyvalent metal salt compound in the toner particle is denoted by Wa (% by mass),
an amount of a polyvalent metal in the polyvalent metal salt compound is denoted by Ma (?mol/g),
a mass amount of the inorganic white pigment in the toner particle is denoted by Wp (% by mass), and
an amount of the acidic group at the surface of the inorganic white pigment is denoted by Ap (?mol/g), the following is satisfied:
0.1?(Wa×Ma)/(Wp×Ap)?2.0.

US Pat. No. 11,029,616

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS

CANON KABUSHIKI KAISHA, ...

1. An electrophotographic photosensitive member comprising:a support; and a surface layer,
wherein the surface layer contains a cured product of a composition containing a curable hole-transport compound, a compound represented by the following formula (1), and a compound represented by the following formula (2),

in the formula (1), Rf11 represents a divalent group having 3 or more carbon atoms and 6 or more fluorine atoms, R12 and R13 each independently represent a hydrogen atom, a fluorine atom, an acryloyloxy group, or a methacryloyloxy group, with the proviso that at least one of R12 and R13 is an acryloyloxy group or a methacryloyloxy group,

in the formula (2), R21 and R22 each independently represent an alkyl group having 1 or more and 4 or less carbon atoms, or a substituted or unsubstituted aryl group having 1 or more and 4 or less carbon atoms, the substituent, which can be a substituent of the aryl group, is an alkyl group having 1 or more and 4 or less carbon atoms, R21 and R22 may be joined together to form a ring, R23 represents an alkyl group having 1 or more and 4 or less carbon atoms, R24 and R25 each independently represent a hydrogen atom or a methyl group, and R26 and R27 each independently represent an alkylene group having 1 or more and 4 or less carbon atoms.

US Pat. No. 11,029,615

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS

CANON KABUSHIKI KAISHA, ...

1. An electrophotographic photosensitive member comprising:a support;
a photosensitive layer; and
a surface layer,
the photosensitive layer and the surface layer being arranged on the support,
wherein the surface layer is a cured product of a composition containing:
a compound represented by the formula (A); and
a charge-transporting substance having at least one reactive functional group selected from the group consisting of a hydroxy group, a methoxy group, an amino group, a thiol group, and a carboxyl group:

in the formula (A), RA1 and RA2 each independently represent an alkyl group having 1 or more and 4 or less carbon atoms, or a substituted or unsubstituted phenyl group, RA1 and RA2 may be bonded to each other to form a ring, RA3 represents an alkyl group having 1 or more and 4 or less carbon atoms, and RA4 and RA5 each represent an alkylene group having 1 or more and 4 or less carbon atoms.

US Pat. No. 11,029,614

LEVEL SENSOR APPARATUS, METHOD OF MEASURING TOPOGRAPHICAL VARIATION ACROSS A SUBSTRATE, METHOD OF MEASURING VARIATION OF A PHYSICAL PARAMETER RELATED TO A LITHOGRAPHIC PROCESS, AND LITHOGRAPHIC APPARATUS

ASML Netherlands B.V., V...

1. A method comprising:obtaining first measurement data of variation of a physical parameter across a substrate on which one or more patterns have been applied by a lithographic process;
obtaining second measurement data, wherein the second measurement data comprises intra-die measurement data of higher resolution than the first measurement data, and wherein the second measurement data is referenced to reference measurement data, the reference measurement data separate from the first measurement data and the reference measurement data having a common frame of reference with the first measurement data; and
combining, by a hardware computer system, the first measurement data with the second measurement data to obtain derived measurement data having a resolution greater than the resolution of the first measurement data.

US Pat. No. 11,029,613

DROPLET GENERATOR AND METHOD OF SERVICING EXTREME ULTRAVIOLET RADIATION SOURCE APPARATUS

TAIWAN SEMICONDUCTOR MANU...

1. A method of cleaning an extreme ultra violet (EUV) radiation source apparatus, wherein the EUV radiation source apparatus comprises:a target droplet generator for generating a metal droplet within a chamber; and
a cleaner blasting assembly having a cleaner blasting nozzle and a cleaner supporting member,
the method comprising:
forming pressurized dry ice particles;
ejecting the pressurized dry ice particles through the cleaner blasting nozzle toward a residual material at a nozzle of the target droplet generator, thereby removing the residual material from the target droplet generator; and
adjusting microscopic shock waves to remove the residual material from the target droplet generator.

US Pat. No. 11,029,612

BEARING DEVICE, MAGNETIC GRAVITY COMPENSATOR, VIBRATION ISOLATION SYSTEM, LITHOGRAPHIC APPARATUS, AND METHOD TO CONTROL A GRAVITY COMPENSATOR HAVING A NEGATIVE STIFFNESS

ASML Netherlands B.V., V...

1. A bearing device arranged to support in a vertical direction a first part of an apparatus with respect to a second part of the apparatus, the bearing device comprising a magnetic gravity compensator, wherein the magnetic gravity compensator comprises:a first permanent magnet assembly mounted to one of the first part and the second part and comprising at least a first column of permanent magnets, the first column extending in a vertical direction, wherein the permanent magnets have a polarization direction in a first horizontal direction or in a second horizontal direction opposite to the first horizontal direction, wherein vertically adjacent permanent magnets have opposite polarization directions, and
a second permanent magnet assembly mounted to the other of the first part and the second part and comprising at least one other column of permanent magnets, the at least one other column extending in the vertical direction, wherein vertically adjacent permanent magnets of the at least one other column have opposite polarization directions in the first horizontal direction or the second horizontal direction,
wherein:
the first permanent magnet assembly at least partially encloses the second permanent magnet assembly;
the first part comprises a sensor frame; and
the second part comprises an intermediate frame configured to:
support the sensor frame; and
be supported by a base frame; and
the magnetic gravity compensator is configured to have a negative stiffness based on a combination of absolute control and relative control of an actuator.

US Pat. No. 11,029,611

DEVICE AND METHOD FOR DETECTING PROJECTION OBJECTIVE WAVE-FRONT ABERRATION

Shanghai Institute of Opt...

1. A device for detecting projection objective wave-front aberration, comprising:a light source and illuminating system (1), the light source and illuminating system (1) comprising a light source for outputting a spatial incoherent light with an illumination numerical aperture at a direction of the spatial incoherent light,
an object plane grating (2),
an object plane displacement stage (3),
a measured projection objective (4),
an image plane grating (5),
a two-dimensional photoelectric sensor (6),
an image plane displacement stage (7), and
a control processing unit (8),
wherein the object plane grating (2) is carried by the object plane displacement stage (3), and the image plane grating (5) and the two-dimensional photoelectric sensor (6) are carried by the image plane displacement stage (7);
the object plane grating (2), the measured projection objective (4), the image plane grating (5), and the two-dimensional photoelectric sensor (6) are sequentially arranged along the direction of the spatial incoherent light output by the light source and illuminating system (1), wherein the object plane grating (2) is located in an object field of the measured projection objective (4) and uniformly illuminated by the light source and illuminating system (1), and the illumination numerical aperture of the light source and illuminating system (1) fills the object numerical aperture range of the measured projection objective (4);
the image plane grating (5) is located in the image-side field of the measured projection objective (4), and the object plane grating (2) is imaged on the image plane grating (5);
the two-dimensional photoelectric sensor (6) receives interference fringes generated by multi-level diffracted light of the image plane grating (5), and the receiving range comprises the image-side numerical aperture of the measured projection objective (4);
and the control processing unit (8) is respectively connected with and controls the work of the object plane displacement stage (3), the image plane displacement stage (7) and the two-dimensional photoelectric sensor (6);
the object plane grating (2) is a one-dimensional grating or a two-dimensional grating, and the object plane grating (2) comprises a pair of gratings with shearing diffraction directions in an X direction and a Y direction respectively;
when the object plane grating (2) is one-dimensional, the length of grating lines of the gratings equals the period of the image plane grating (5) in the Y direction or the X direction divided by an amplification factor of the measured projection objective (4) in the Y direction or the X direction and then multiplied by a positive integer;
when the object plane grating (2) is two-dimensional, the duty ratio thereof at the grating in a direction perpendicular to the shear direction is 1:1; the grating period in the direction perpendicular to the shear direction equals the period of the image plane grating (5) in the direction divided by an amplification factor of the measured projection objective (4) in the direction, and then multiplied by 2N, wherein N is a positive integer; or the grating period in a direction perpendicular to the shear direction equals the period of the image plane grating (5) in the direction divided by an amplification factor of the measured projection objective (4) in the direction, and then multiplied by 1/(4N?), the number of periods of the object plane grating (2) is greater than or equal to 8N?, and N? is a positive integer.

US Pat. No. 11,029,610

LITHOGRAPHIC METHOD

ASML Netherlands B.V., V...

1. A method for determining one or more optimized values of an operational parameter of a sensor system configured for measuring a property of a substrate, the method comprising:obtaining first values of a quality parameter for a plurality of substrates;
obtaining second values of a measurement parameter for the plurality of substrates, wherein the second values of the measurement parameter are measured values obtained by using the sensor system for a plurality of values of the operational parameter;
comparing, by a hardware computer system, a substrate to substrate variation of the first values to a substrate to substrate variation of a mapping of the second values; and
determining the one or more optimized values of the operational parameter based on the comparing.

US Pat. No. 11,029,609

SIMULATION-ASSISTED ALIGNMENT BETWEEN METROLOGY IMAGE AND DESIGN

ASML Netherlands B.V., V...

1. A method comprising: simulating, by a hardware computer, an image or one or more characteristics thereof, using characteristics of a design layout and of a patterning process; determining a deviation between the image or one or more characteristics thereof and the design layout or one or more characteristics thereof; aligning a metrology image obtained from a patterned substrate and the design layout based on the deviation, wherein the patterned substrate comprises a pattern produced from the design layout using the patterning process; and determining a parameter of a patterned substrate from the metrology image aligned with the design layout.

US Pat. No. 11,029,608

METHOD AND EXPOSURE DEVICE FOR EXPOSING AT LEAST ONE STORED REPRESENTATION ON A LIGHT-SENSITIVE RECORDING MEDIUM

1. Method for exposing at least one stored image, having a stored target location and a stored target orientation, on a light-sensitive recording medium held on a support, the support having a width along an X direction and length along a Y direction, the method comprising:a. acquiring an image of the entire light-sensitive recording medium and the support by a single linear image acquisition device, the single linear image acquisition device extending along the X direction over the complete width of the support, and, the single linear image acquisition device moved in the Y direction by a control system while acquiring a plurality of images of the light-sensitive recording medium and support, producing an acquired image of the entire support and light-sensitive recording medium by combining the plurality of images, the acquired image produced in a single traversal of the support by the single linear image acquisition device, and,
b. determining a location and an orientation for the light-sensitive recording medium on the support from the acquired image, and,
c. exposing the at least one stored image onto the light-sensitive recording medium by moving and actuating an at least one exposure head across the light-sensitive recording medium and support, where the moving and actuating of the at least one exposure head are controlled by, and, the moving of the at least one exposure head exposing is corrected by, the control system by comparing the stored target location and the stored target orientation with the location and the orientation of the light-sensitive recording medium on the support as determined from the acquired image.

US Pat. No. 11,029,607

FLUID HANDLING STRUCTURE FOR LITHOGRAPHIC APPARATUS

ASML NETHERLANDS B.V., V...

1. A fluid handling structure configured to confine immersion fluid to a region of a lithographic apparatus, the fluid handling structure comprising:an aperture formed therein for the passage there through of a projection beam through the immersion fluid;
a first part; and
a second part,
wherein the first and/or second part define a surface adapted for the extraction of immersion fluid from the region,
wherein the fluid handling structure is adapted to provide a fluid flow into or out of the surface of the fluid handling structure,
wherein relative movement between the first part and the second part is effective to change a position of the fluid flow into or out of the surface relative to the aperture,
wherein one of the first or second part comprises at least one through-hole for the fluid flow there through and the other of the first or second part comprises at least one opening for the fluid flow there through, the at least one through-hole and at least one opening being in fluid communication when aligned, the relative movement allowing alignment of at least one opening of the at least one opening with at least one through-hole of the at least one through-hole thereby to change the position of the fluid flow into or out of the surface relative to the aperture, and
wherein the fluid flow is a fluid flow of gas out of at least one outlet opening in the surface and into the region, the at least one outlet opening being an outlet opening of at least one through-hole of the at least one through-hole.

US Pat. No. 11,029,606

OPTICAL ELEMENT FOR THE BEAM GUIDANCE OF IMAGING LIGHT IN PROJECTION LITHOGRAPHY

Carl Zeiss SMT GmbH, Obe...

1. An optical element, comprising:a main body;
an optical surface supported by the main body;
a compensation weight element supported by the main body, the compensation weight element comprising a compensation weight; and
a lever connecting the compensation weight to the main body in a connection region so that a direction of a gravitational force of the compensation weight, proceeding from a center of mass thereof, extends a distance from the connection region,
wherein:
the lever has an adjustable length, and/or the lever has an adjustable direction; and
the compensation weight element is configured to compensate a figure deformation of the optical surface caused by gravity.

US Pat. No. 11,029,605

OPTIMIZATION BASED ON MACHINE LEARNING

ASML Netherlands B.V., V...

1. A method for improving a lithographic process for imaging a portion of a design layout onto a substrate using a lithographic apparatus, the method comprising:obtaining an illumination source that is in one or more predetermined classes among a plurality of possible classes, as determined, based on one or more numerical characteristics of the illumination source, by a machine learning model, the machine learning model developed on illumination source numerical characteristics in order to classify illumination sources; and
optimizing, by a hardware computer system, the illumination source for imaging the portion of the design layout by adjusting one or more illumination source design variables.

US Pat. No. 11,029,604

IMMERSION POST-EXPOSURE BAKE LITHOGRAPHY PROCESS AND SYSTEMS

SANDISK TECHNOLOGIES LLC,...

1. A method of performing extreme ultraviolet lithography process, comprising:applying a protic solvent over an extreme ultraviolet (EUV) photoresist layer located over a substrate after exposure to EUV radiation;
heating the protic solvent on the EUV photoresist layer to a post-exposure bake temperature while the EUV photoresist layer is immersed in the protic solvent or while the protic solvent is present over the EUV photoresist layer as a puddle; and
removing the protic solvent from above the EUV photoresist layer prior to developing the EUV photoresist layer.

US Pat. No. 11,029,603

CHEMICAL REPLACEMENT SYSTEM

Taiwan Semiconductor Manu...

1. A chemical replacement system, comprising:a computer system configured to:
receive a request signal to replace one or more chemical containers; and
transmit a command based on the request signal; and
a transfer module comprising:
a holder configured to hold the one or more chemical containers;
a door unit configured to open in response to the command;
a transfer unit configured to eject the holder in response to the command; and
an anti-collision sensor configured to scan and detect one or more objects surrounding the door unit.

US Pat. No. 11,029,602

PHOTORESIST COMPOSITION AND METHOD OF FORMING PHOTORESIST PATTERN

TAIWAN SEMICONDUCTOR MANU...

12. A method of forming a photoresist pattern, comprising:forming a layer of a photoresist composition including a polymer having fluorocarbon pendant groups over a substrate,
rotating the substrate with the layer of the photoresist composition disposed thereon to separate the layer of the photoresist composition into a photoresist layer and a layer of the polymer having fluorocarbon pendant groups disposed over the photoresist layer;
patternwise exposing the photoresist layer to actinic radiation; and
developing the photoresist layer to form a pattern in the photoresist layer.

US Pat. No. 11,029,600

RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN

TOKYO OHKA KOGYO CO., LTD...

1. A resist composition which generates acid upon exposure and exhibits changed solubility in a developing solution under action of acid, the resist composition comprising:a resin component (A1) which exhibits changed solubility in a developing solution under action of acid, and
an acid-generator component (B) which generates acid upon exposure,
the resin component (A1) comprising a structural unit (a0) represented by general formula (a0-1) shown below,
the amount of the structural unit (a0) based on the combined total (100 mol %) of all structural units constituting the resin component (A1) being more than 30 mol %, and
the acid-generator component (B) comprising an acid generator (B1) represented by general formula (b1) shown below:
wherein, in formula (a0-1), R01 represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; Va01 represents an alkylene group having 1 to 10 carbon atoms; Ra01 represents an acid dissociable group; in formula (b1), Rb01 represents a cyclic hydrocarbon group of 3 to 20 carbon atoms which may have a substituent; Lb01 represents —O—C(?O)— or —C(?O)—O—; Yb01 represents a divalent linking group or a single bond; Vb01 represents a fluorinated alkylene group having 1 to 9 carbon atoms; Rb02 represents a fluorine atom or a hydrogen atom; provided that the total number of fluorine atoms contained in Vb01 and Rb02 is 2 or 3; m represents an integer of 1 or more; and Mm+ represents an m-valent organic cation.

US Pat. No. 11,029,599

CHEMICALLY AMPLIFIED POSITIVE PHOTORESIST COMPOSITION AND PATTERN FORMING METHOD USING SAME

Merck Patent GmbH, Darms...

1. A chemically amplified positive photoresist composition comprising (A) an alkali-soluble resin, (B) at least one plasticizer selected from a group consisting of an alkali-soluble vinyl resin and an acid-dissociable group containing vinyl resin, (C) a photo acid generator, (D) an organic solvent, and (E) a basic compound; wherein the alkali-soluble resin (A), comprises a polymer comprising recurring units represented by a general formula (1), a general formula (2) and a general formula (3) and has a weight average molecular weight of 1,000 to 200,000;wherein R1 is hydrogen, alkyl or halogen, R2 is hydrogen or alkyl, R3 is C4-C12 tertiary alkyl, m is a positive integer of 1 to 5;the amount of the plasticizer (B) in the composition is 2-10 parts by mass per 100 parts by mass of the alkali-soluble resin (A);the amount of the photoacid generator (C) in the composition is 1 to 10 parts by mass per 100 parts by mass of the alkali-soluble resin (A);the amount of the base (E) in the composition is 0.01-1 parts by mass per 100 parts by mass of the alkali-soluble resin (A); andthe organic solvent (D) is selected from the group consisting of propylene glycol monomethylether arid propylene glycol dimethyl ether mixture, propylene glycol monomethylether and methylisobutylketone mixture, propylene glycol monomethylether and methylethylketone mixture, propylene glycol monomethylether arid n-butyl acetate mixture, propylene glycol monomethylether and cyclopentyl methyl ether mixture, and propylene glycol monomethylether and propyl propionate mixture.

US Pat. No. 11,029,598

PHOTOSENSITIVE POLYIMIDE COMPOSITION AND PHOTORESIST FILM MADE THEREOF

eChem Solutions Corp., T...

1. A photosensitive polyimide composition comprising a polyimide resin having a structural unit represented by the formula (1) and a structural unit represented by the formula (2), an quinonediazide sulfonate, a thermal curing agent, and a thermal acid generator,
wherein in the formulae (1) and (2), n is an integer of 10 to 600, Ar1 is a tetravalent organic group, Ar2 is a divalent to tetravalent organic group, Ar3 is a divalent aromatic group, and R1 is an OH group or a COOH group; the thermal curing agent comprises an epoxy compound and a melamine compound, and the weight ratio of the epoxy compound to the melamine compound is 3:1 to 4:3;
wherein the photoresist film has properties of chemical resistance and insulation, and the property of chemical resistance is expressed by a residual film rate of greater than 90%;
wherein the thermal acid generator is an onium sulfonium salt selected from at least one of the group consisting of chloride, bromide, p-toluenesulfonate, trifluoromethanesulfonate, tetrafluoroborate, tetrakis(pentafluorophenyl)borate, tetrakis(pentafluorophenyl)ruthenate, hexafluorophosphate, hexafluoroarsenate, and hexafluoroantimonate.

US Pat. No. 11,029,597

METHOD FOR PRODUCING PATTERN LAMINATE, METHOD FOR PRODUCING REVERSAL PATTERN, AND PATTERN LAMINATE

FUJIFILM Corporation, To...

1. A method for producing a pattern laminate, comprising:forming a first layer having a pattern on an object to be processed; and
forming a second layer on the first layer,
wherein the glass transition temperature of the first layer is 100° C. or higher,
the forming of a first layer includes forming a first layer by an imprint method using a first curable composition comprising a polymerizable compound having an ethylenically unsaturated bond-containing group,
a proportion of the polymerizable compound having an ethylenically unsaturated bond-containing group which includes an aliphatic ring having a crosslinked structure, with respect to all polymerizable compounds included in the first curable composition, is less than 15% by mass,
a proportion of a polymerizable compound having two ethylenically unsaturated bond-containing groups with respect to all polymerizable compounds included in the first curable composition is 50% or more by mass,
a proportion of a polymerizable compound having one ethylenically unsaturated bond-containing group with respect to all polymerizable compounds included in the first curable composition is 10 to 35% by mass,
an Onishi parameter of the first curable composition is less than 3.8,
the second layer includes a Si atom-containing compound or a metal, and
the forming of a second layer includes forming a second layer by curing a second curable composition including a Si atom-containing compound in a case where the second layer includes the Si atom-containing compound.

US Pat. No. 11,029,596

FILM MASK, METHOD FOR MANUFACTURING SAME, AND METHOD FOR FORMING PATTERN USING FILM MASK AND PATTERN FORMED THEREBY

LG CHEM, LTD., Seoul (KR...

1. A film mask comprising:a transparent substrate that is a plastic film;
a darkened light-shielding pattern layer;
a metal layer provided between the transparent substrate and the darkened light-shielding pattern layer;
an attachment layer comprising an acrylic material, an epoxy-based material, or a urethane-based material provided between the metal layer and the transparent substrate; and
an embossed pattern layer provided on a surface of the transparent substrate bearing the metal layer and the darkened light-shielding pattern layer,
wherein the metal layer comprises aluminum, and the darkened light-shielding pattern layer comprises aluminum oxynitride.

US Pat. No. 11,029,594

OPTIMIZATION OF A LITHOGRAPHY APPARATUS OR PATTERNING PROCESS BASED ON SELECTED ABERRATION

ASML Netherlands B.V., V...

1. A method comprising:obtaining a selected component of optical aberration of or for a lithography apparatus, under a processing condition;
computing, by a hardware computer system, an approximate of a cost function, based on the selected component of optical aberration;
producing an adjustment for the lithography apparatus or a patterning process that uses the lithography apparatus, based on the approximate of the cost function; and
outputting the adjustment, or data derived therefrom, for use in or with the lithography apparatus or the patterning process that uses the lithography apparatus,
wherein the cost function is a function of a plurality of design variables that represent one or more characteristics of the patterning process, wherein:
producing an adjustment of the lithography apparatus or the patterning process comprises producing an adjustment of one or more of the design variables until a certain termination condition is satisfied, and/or
the selected component of optical aberration is among the design variables, and/or
the selected component of optical aberration is a function of one or more of the design variables.

US Pat. No. 11,029,593

LITHOGRAPHY MASK WITH A BLACK BORDER REGIONS AND METHOD OF FABRICATING THE SAME

TAIWAN SEMICONDUCTOR MANU...

1. A lithography mask, comprising:a substrate;
a reflective structure disposed over a first side of the substrate;
a patterned absorber layer disposed over the reflective structure;
wherein:
the lithography mask includes a first region and a second region that surrounds the first region in a top view;
the patterned absorber layer is located in the first region;
a substantially non-reflective material is located in the second region, wherein the substantially non-reflective material includes a trench that extends vertically through the reflective structure; and
a passivation layer disposed on sidewalls of the trench;
wherein:
a first portion of the passivation layer contains a first type of material that contains oxygen or nitrogen;
a second portion of the passivation layer contains a second type of material that contains oxygen or nitrogen; and
the second type of material is different from the first type of material.

US Pat. No. 11,029,592

REAR PROJECTION SIMULATOR WITH FREEFORM FOLD MIRROR

FLIGHTSAFETY INTERNATIONA...

1. A simulator projection system comprising:a projector;
a display screen for receiving images from the projector; and
a free-form fold mirror interposed between the projector and the display screen, the free-form mirror including a first curved portion, a second curved portion spaced from the first curved portion, and a first flat portion.

US Pat. No. 11,029,591

LIGHT SOURCE DEVICE AND OPTICAL ENGINE

NICHIA CORPORATION, Anan...

1. A light source device, comprising:a plurality of laser modules including a first laser module and a second laser module, each laser module including at least one first laser diode configured to emit a first laser beam and at least one second laser diode configured to emit a second laser beam, said second laser beam having a wavelength which is longer than a wavelength of the first laser beam; and
a beam combiner including
a first dichroic mirror region configured to transmit the first laser beam going out from the first laser module, and to reflect the second laser beam going out from the second laser module, and
a second dichroic mirror region configured to transmit the second laser beam going out from the first laser module, and to reflect the first laser beam going out from the second laser module,
wherein the first laser module is disposed at a position for obliquely irradiating a rear side of the beam combiner with the first laser beam and the second laser beam going out from the first laser module; and wherein
the second laser module is disposed at a position for obliquely irradiating a front side of the beam combiner with the first laser beam and the second laser beam going out from the second laser module.

US Pat. No. 11,029,590

LOW-PROFILE BEAM SPLITTER

Magic Leap, Inc., Planta...

1. An optical device comprising:a first surface comprising a transmissive diffractive optical element;
a second surface normal to the first surface; and
a third surface arranged at an angle to the second surface, the third surface being reflective to light of a first state and transmissive to light of a second state,
wherein the transmissive diffractive optical element is configured to receive a collimated input beam that is normally incident on the first surface, the collimated input beam comprising light having the first state, and to convert the collimated input beam into at least a first diffracted beam at a first diffraction angle such that the first diffracted beam is directed toward the second surface, is reflected by the second surface toward the third surface via total internal reflection, and is reflected by the third surface in a direction substantially parallel to the first surface.

US Pat. No. 11,029,589

LASER LIGHT SOURCE OPTICAL PROJECTION ARCHITECTURE

SYNDIANT INC., Dallas, T...

1. A laser light source optical projection architecture, comprising:a laser light source, configured to generate light; and
a color control device configured as a transparent/reflective wheel with at least one segment plated with a reflective aluminum film, wherein the proportion of the reflective aluminum film segment to the transparent segment of the color control device is designed to vary from small to large with increasing radius, placed in a light path and forming an angle of 45 degrees with an optical axis, configured to split the light into reflected light and pass through light, and capable of moving along the 45-degree direction to adjust the ratio of pass through light to reflected light for color control.

US Pat. No. 11,029,588

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; and
a cooler configured to cool the cooling target based on transformation of a refrigerant into a gas, wherein
the cooler includes
a refrigerant generator configured to generate the refrigerant from air,
a refrigerant sender configured to transmit the generated refrigerant toward the cooling target, and
a first duct configured to guide air including the refrigerant changed to a gas in the cooling target toward the refrigerant generator.

US Pat. No. 11,029,587

PROJECTOR

SEIKO EPSON CORPORATION, ...

1. A projector including a cooling target, the projector comprising:a light source configured to emit light;
a light modulator configured to modulate, according to an image signal, the light emitted from the light source;
a projection optical device configured to project the light modulated by the light modulator; and
a cooler configured to cool the cooling target based on transformation of a refrigerant into gas, wherein
the cooler includes:
a refrigerant generator configured to generate the refrigerant,
a refrigerant sender configured to transfer the generated refrigerant toward the cooling target,
the refrigerant generator includes:
a rotating moisture absorbing and releasing member;
a first blower configured to send air to a portion of the moisture absorbing and releasing member located in a first region;
a heat exchanger connected to the refrigerant sender;
a heater configured to heat a portion of the moisture absorbing and releasing member located in a second region different from the first region; and
a second blower configured to send, to the heat exchanger, air around the portion heated by the heater in the moisture absorbing and releasing member,
the heat exchanger includes:
a housing including an internal space into which the air sent by the second blower flows; and
a plurality of channels disposed in the internal space,
insides of the plurality of channels are separated from the internal space, and
cooling air for cooling the air in the internal space via the plurality of channels flow through the insides of the plurality of channels.

US Pat. No. 11,029,586

OPTICAL SYSTEM AND IMAGE PROJECTION APPARATUS

CANON KABUSHIKI KAISHA, ...

1. An optical system comprising;in order from a reduction conjugate side to an enlargement conjugate side, a refractive optical unit having a positive refractive power, and
a mirror optical unit that includes a mirror element having a positive refractive power and a mirror element having a negative refractive power,
wherein the mirror optical unit forms an image of an intermediate image formed by the refractive optical unit, and
wherein the following conditional expressions are satisfied:
0.6??0/?M1?0.95,
0.23?L2/L1?0.4, and
0.09?|?0/?fa|?0.2,where ?0 is the refractive power of the refractive optical unit, ?M1 is a refractive power of the mirror element having the strongest positive refractive power in the mirror optical unit, L1 is a distance on an optical axis from a surface in the refractive optical unit closest to the enlargement conjugate side to a reflective surface of the mirror element having the strongest positive refractive power in the mirror optical unit, L2 is a distance on the optical axis from an intermediate image point of an on-axis light flux to the reflective surface of the mirror element having the strongest positive refractive power in the mirror optical unit, and ?fa is a refractive power of an overall optical system.

US Pat. No. 11,029,585

INTERCHANGEABLE MOUNTING PLATFORM

SZ DJI TECHNOLOGY CO., LT...

1. A handheld platform, comprising:an imaging device configured to obtain image data;
a gimbal assembly coupled to the imaging device and configured to control a spatial disposition of the imaging device; and
a handheld support coupled to the gimbal assembly, comprising:
an input interface configured to receive a user input to control the imaging device or the gimbal assembly;
a display integrally formed with the handheld support, the display configured to display (1) payload data including the image data obtained by the imaging device, and (2) non-payload data associated with the gimbal assembly and the handheld support; and
a controller configured to generate one or more control signals based at least in part on the user input.

US Pat. No. 11,029,584

CAMERA MOUNT

GoPro, Inc., San Mateo, ...

1. A camera mount comprising:a sliding mount component comprising:
a sliding base;
protrusions protruding outward from a bottom surface of the sliding base; and
a sliding mount component locking mechanism; and
a rail mount component comprising:
a rail base; and
a rail mount component locking mechanism;
wherein the sliding mount component is configured for insertion into the rail mount component; and
wherein the sliding mount component is connected to the rail mount component by the sliding mount component locking mechanism forming a connection with the rail mount component locking mechanism.

US Pat. No. 11,029,583

ADJUSTABLE CAMERA MOUNT FOR A VEHICLE WINDSHIELD

MOBILEYE VISION TECHNOLOG...

1. A camera mount for mounting a camera, the camera mount comprising:a lens attached to a camera body; and
a pin configured to attach to the camera body at a first connection point of a fixed element mountable on a windshield, to constrain the lens relative to the windshield for different rake angles of the windshield, wherein:
the pin is positioned through a tilt rotation axis between the lens and the windshield;
the camera body is configured to attach, at a second connection point of the fixed element, to the fixed element mountable on the windshield; and
the first connection point is separate from the second connection point.

US Pat. No. 11,029,582

IMAGE CAPTURING APPARATUS HAVING BUILT-IN MICROPHONE

CANON KABUSHIKI KAISHA, ...

1. An image capturing apparatus having a forced air cooling function and capable of having an accessory attached thereto, comprising:an image capturing apparatus body including an image sensor;
a lens mount which is provided on the image capturing apparatus body and to which a shooting lens can be removably attached;
an attachment portion which is provided on the image capturing apparatus body and to which the accessory can be removably attached; and
a built-in microphone which is arranged on a side of a surface of the image capturing apparatus body, different from any of a surface where an air outlet port for discharging air used for forced cooling is arranged, a surface where the lens mount is arranged, and a surface where the attachment portion is arranged,
wherein the built-in microphone is arranged at a location closer to a top surface of the image capturing apparatus body than a bottom surface thereof.

US Pat. No. 11,029,581

CAMERA LENS

AAC Optics Solutions Pte....

1. A camera lens, comprising a lens barrel and a lens group accommodated in the lens barrel, wherein the lens group comprises a first lens, an inner side wall of the lens barrel is provided with a first magnetic adsorption member, and an outer side wall of the first lens is provided with a second magnetic adsorption member magnetically adsorbed with the first magnetic adsorption member.

US Pat. No. 11,029,580

CAMERA MODULE AND OPTICAL DEVICE

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

1. A camera module comprising:a housing;
a lens module disposed in the housing;
a substrate disposed below the lens module;
an image sensor disposed between the lens module and the substrate; and
an optical element unit disposed between the lens module and the image sensor,
wherein the optical element unit has an optical surface disposed at the top thereof, to which the light transmitted through the lens module is incident, comes in contact with a light receiving surface of the image sensor at the bottom thereof, and contains a material having a higher refractive index than that of air,
wherein the optical element unit includes an optical lens unit having the optical surface, and
wherein an adhesive layer is disposed between the optical lens unit and the image sensor, the adhesive layer being in contact with the light receiving surface of the image sensor at the bottom thereof.

US Pat. No. 11,029,579

IMAGING APPARATUS AND ELECTRONIC APPARATUS FOR CONTROLLING A POSITION OF A LENS

Sony Semiconductor Soluti...

1. An imaging apparatus comprising:a first lens that collects subject light;
an image sensor that photoelectrically converts the subject light from the first lens;
a circuit substrate including a circuit that outputs a signal from the image sensor to an outside, wherein the circuit substrate includes a plurality of layers;
an actuator that drives the first lens with a pulse width modulation (PWM) waveform; and
a detection unit that detects a magnetic field generated by a first coil included in the actuator, wherein the detection unit is formed on the circuit substrate, wherein the detection unit includes a second coil, and wherein the second coil is formed across the plurality of layers of the circuit substrate such that a start point of the second coil is on one layer of the plurality of layers and an end point of the second coil is on a different layer of the plurality of layers.

US Pat. No. 11,029,578

ACOUSTO-OPTIC BEAM STEERING SYSTEM

The Board of Trustees of ...

1. An optical-beam steering system comprising:a substrate;
a planar lightwave circuit (PLC) comprising at least one surface waveguide that is formed on the substrate such that the PLC and substrate are monolithically integrated, each of the at least one surface waveguide conveying at least a portion of a light signal, and the at least one surface waveguide defines a mechanically active region that is movable relative to the substrate;
an acoustic transducer that is configured to induce at least one mechanical wave in the at least one surface waveguide; and
a phase controller comprising a plurality of phase shifters that includes a first phase shifter configured to control at least one of (1) the phase of a first mechanical wave of the at least one mechanical wave and (2) the phase of a first light portion of the light signal in a first surface waveguide of the at least one surface waveguide.

US Pat. No. 11,029,577

OPTICAL MODULATOR AND OPTICAL TRANSMISSION APPARATUS USING THE SAME

SUMITOMO OSAKA CEMENT CO....

2. An optical modulator comprising:an optical modulation element having a plurality of signal electrodes;
a housing that houses the optical modulation element;
a plurality of signal input terminals each of which inputs an electrical signal to be applied to each of the signal electrodes; and
a relay substrate on which a plurality of signal conductor patterns that electrically connect each of the signal input terminals to each of the signal electrodes, and a plurality of ground conductor patterns are formed,
wherein the relay substrate is housed in the housing, and at least one input side ground conductor pattern extending from at least one of the ground conductor patterns is formed on an input side surface having a side on which an electrical signal output from the signal input terminal is input to the signal conductor pattern as one side, and
wherein an input ground recess portion extending from a rear surface of the relay substrate facing a front surface on which the signal conductor pattern is formed is formed on the input side surface, and at least a part of the input side ground conductor pattern is provided inside the input ground recess portion.

US Pat. No. 11,029,576

METHOD FOR DRIVING TWO LAYER VARIABLE TRANSMISSION DISPLAY

E Ink Corporation, Bille...

1. A method for driving a variable transmission display comprising a first layer and a second layer of microcavity electro-optic material, wherein the display comprises a first light-transmissive electrode disposed on one side of the first and second layers, and a second light-transmissive electrode disposed on the opposed side of the first and second layers from the first electrode, there being no electrode between the first and second layers, wherein the first layer of microcavity electro-optic material comprises a fluid but is essentially free from pigment particles, the method comprising:providing a first voltage between the first electrode and the second electrode, thereby creating a substantially opaque state in which charged pigment particles in the second layer of microcavity electro-optic material are dispersed within the microcavity; and
providing a second voltage between the first electrode and the second electrode, thereby creating a light-transmissive state in which charged pigment particles in the second layer of microcavity electro-optic material are concentrated within the microcavity.

US Pat. No. 11,029,575

SINGLE COMPONENT ELECTROCHROMIC DEVICE HAVING A TUNABLE IR FILTER

GENTEX CORPORATION, Zeel...

1. An electro-optic cell, comprising:an anodic surface and a cathodic surface;
an electrochromic medium including an electrochromic compound M acting as both an anodic material and a cathodic material, wherein the electrochromic compound M includes at least one reduced state and at least one oxidized state; and
wherein the electrochromic medium is capable of reversibly attenuating transmittance of light having a wavelength within a predetermined range, and
wherein the electrochromic compound M comprises a compound of Formula (I):

wherein:
R1 and R2 are individually alkyl, aryl, alkoxy, or aryloxy;
R3, R4, R5, R6, R2, R8 are individually H, alkyl, alkenyl, aryl, alkoxy, or aryloxy;
R9 and R19 are individually H, alkyl, aryl, alkoxy, or aryloxy, or where R1 and R2 are alkyl, R9 and R19 are individually H, alkyl, alkoxy, or aryloxy;
R11 and R12 are individually alkyl, (CH2CH2O)nOCH3, or (CH2)nN*(R20)3[X], wherein n is from 1 to 20;
each R20 is individually alkyl; and
X is an anion.

US Pat. No. 11,029,574

WIRELESSLY CONTROLLED ELECTRICALLY SWITCHABLE WINDOW SYSTEM

The Boeing Company, Chic...

1. An electrically switchable window system for an aerospace vehicle, the electrically switchable window system comprising:electrically switchable windows in the aerospace vehicle;
a window controller system connected to the electrically switchable windows, wherein the window controller system receives a group of wireless signals from an onboard network system that controls systems in the aerospace vehicle and changes voltages applied to the electrically switchable windows when the group of wireless signals are received; wherein the changes in the voltages change an amount of light passing through the electrically switchable windows;
a battery device comprising a controller and a switch, the controller connected to the switch, wherein the battery device is connected to an electrically switchable window of the electrically switchable windows and applies the voltages to the electrically switchable window; and
wherein the controller controls the switch between an open position such that the battery device can apply the voltages to the electrically switchable window and a closed position such that the battery device can be recharged, wherein the controller is capable of closing the switch when a determination is made that the aerospace vehicle is on the ground regardless of a charge level of the battery device and wherein the controller is capable of closing the switch when the charge level of the battery device is less than a predetermined threshold.

US Pat. No. 11,029,573

DISPLAY DEVICE

Japan Display Inc., Mina...

1. A display device, comprising:a substrate;
a display region provided with a plurality of pixels;
a peripheral region positioned between an edge of the substrate and the display region;
a plurality of signal lines, each of which is coupled to switching elements provided to the respective pixels, and that are arrayed in a first direction;
a driver IC;
a plurality of terminals arrayed in the first direction in the peripheral region of the substrate, and electrically coupled to the driver IC;
a signal line coupling circuit located between the display region and the terminals in the peripheral region and electrically coupled to the signal lines; and
a plurality of wires, each of which couples one of the terminals and the signal line coupling circuit in the peripheral region,
wherein
the peripheral region positioned between the signal line coupling circuit and the terminals includes:
a first wiring region provided between the signal line coupling circuit and the terminals, in which the respective wires extend diagonally with respect to a second direction intersecting the first direction;
a second wiring region provided between the first wiring region and the terminals, and in which the respective wires extend diagonally with respect to the second direction; and
a third wiring region provided between the first wiring region and the second wiring region, and in which the wires extend in the second direction, and
in the third wring region, the wires, each extending in the second direction orthogonal to the first direction in which the signal lines are arrayed, are arranged such that an arrangement pitch of the wires in the first direction decreases with distance from the display region.

US Pat. No. 11,029,572

DISPLAY DEVICE

Semiconductor Energy Labo...

1. A display device comprising:a pixel area, the pixel area comprising:
a first source line;
a second source line adjacent to the first source line;
a third source line adjacent to the second source line;
a gate line;
a transistor; and
a pixel electrode;
a first gate driver; and
a second gate driver,
wherein the gate line is electrically connected to the first gate driver and the second gate driver,
wherein the pixel area is between the first gate driver and the second gate driver in a plan view,
wherein a gate of the transistor is electrically connected to the gate line, one of a source and a drain of the transistor is electrically connected to the first source line, the other of the source and the drain of the transistor is electrically connected to the pixel electrode,
wherein the pixel electrode overlaps with the second source line and the third source line,
wherein the pixel electrode does not overlap with the first source line, and
wherein a distance between the first source line and the second source line is larger than a distance between the second source line and the third source line.

US Pat. No. 11,029,571

DISPLAY PANEL

Au Optronics Corporation,...

1. A display panel, comprising:a pixel array substrate, comprising:
a substrate having a display region and a peripheral region, wherein the peripheral region is located at a side of the display region;
a plurality of scan lines and a plurality of data lines disposed in the display region;
a plurality of pixel units arranged in the display region in array, wherein each of the pixel units is electrically connected to one of the scan lines and one of the data lines, and each of the pixel units comprises:
an active device comprising a gate, an active layer, a source, and a drain; and
a pixel electrode electrically connected to the drain of the active device; and
a gate driving circuit disposed in the peripheral region, wherein the gate driving circuit comprises:
a plurality of first signal lines arranged in the peripheral region along a first direction and extended along a second direction;
a plurality of second signal lines extended along the first direction, and each of the second signal lines is respectively electrically connected to one corresponding first signal line, wherein each of the second signal lines comprises a first sublayer and a second sublayer, the second sublayer is located on the first sublayer, a material of the first sublayer is the same as a material of the active layer, and a material of the second sublayer is the same as a material of the source and the drain;
a plurality of dummy signal lines extended along the first direction, and each of the dummy signal lines is respectively electrically connected to one corresponding second signal line, wherein each of the dummy signal lines comprises the first sublayer and the second sublayer;
a plurality of contact structures respectively disposed corresponding to the first signal lines, the second signal lines, and the dummy signal lines, wherein each of the first signal lines is electrically connected to the corresponding second signal line via one corresponding contact structure, and each of the dummy signal lines is electrically connected to the corresponding second signal line via the corresponding contact structure; and
an insulation layer disposed on the substrate, wherein the insulation layer is located between the gates and the active layers;
an opposite substrate disposed opposite to the pixel array substrate; and
a display media disposed between the opposite substrate and the pixel array substrate.

US Pat. No. 11,029,570

REFLECTIVE LCD PANEL BY DISPOSING A WHITE SUB-PIXEL UNIT IN THE PIXEL UNIT AND USING THE WHILE SUB-PIXEL UNIT IN COLLABORATION WITH THE PIXEL ELECTRODE TO INCREASE BRIGHTNESS OF THE PIXEL UNIT

SHENZHEN CHINA STAR OPTOE...

1. A reflective liquid crystal display (LCD) panel, which comprises: an upper substrate and a lower substrate disposed opposite to each other, and a liquid crystal (LC) layer sandwiched between the upper substrate and the lower substrate; the upper substrate comprising: a first base substrate, and a common electrode disposed on the first base substrate; the lower substrate comprising: a second base substrate, a thin film transistor (TFT) device layer disposed on the second base substrate, a color filter (CF) layer and a black matrix (BM) disposed on the TFT device layer, and a pixel electrode disposed on the CF layer and the BM;wherein the CF layer comprises a plurality of pixel units arranged in an array, each of the plurality of pixel units comprising: a red sub-pixel unit, a green sub-pixel unit, a blue sub-pixel unit, and a white sub-pixel unit separated by the BM; the red sub-pixel unit reflecting red light and absorbing green light and blue light; the green sub-pixel unit reflecting green light and absorbing red light and blue light; the blue sub-pixel unit reflecting blue light and absorbing red light and green light;
wherein the white sub-pixel unit comprises a reflective film and reflects red light, green light, and blue light, and the pixel electrode comprises a transparent electrode that is disposed on the CF layer and the BM, wherein the transparent electrode is directly disposed on red sub-pixel unit, the green sub-pixel unit, the blue sub-pixel unit, and the white sub-pixel unit of the CF layer, and a part of the transparent electrode is stacked directly on the reflective film of the white sub-pixel unit;
wherein the red sub-pixel unit, the green sub-pixel unit, the blue sub-pixel unit, and the white sub-pixel unit of the pixel unit are arranged in following arrangement: the red sub-pixel unit, the green sub-pixel unit, the blue sub-pixel unit, and the white sub-pixel unit being arranged in a column from top to bottom.

US Pat. No. 11,029,569

LIQUID CRYSTAL DISPLAY

Japan Display Inc., Toky...

1. A liquid crystal display comprising:a first substrate including a control line, a signal line and a first pixel electrode;
a second substrate opposed to the first substrate and including a color filter overlapping the first substrate and a light-shielding layer including a first light-shield formed along a first direction and a second light-shield formed along a second direction, crossing the first light-shield;
a liquid crystal layer between the first substrate and the second substrate; and
a spacer which maintains a gap between the first substrate and the second substrate, wherein
the spacer overlaps a crossing region where the first light-shield and the second light-shield cross each other and includes a first exposed region and a second exposed region,
the first and second exposed regions are exposed from the light-shielding layer and overlap the color filter in a planar view,
and a center of the spacer overlaps an exposed region in the planar view.

US Pat. No. 11,029,568

PHOTOALIGNMENT AGENT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME

SAMSUNG DISPLAY CO., LTD....

1. A liquid crystal display comprising:a first substrate;
a thin film transistor disposed on the first substrate;
a first electrode connected to the thin film transistor; and
a first alignment layer disposed on the first electrode,
wherein the first alignment layer comprises a copolymer of cyclobutanedianhydride, a cyclobutanedianhydride derivative, a first diamine, and a second diamine,
wherein a residual structure of the first diamine in the copolymer includes a group to donate an unshared pair of electrons and a residual structure of the second diamine in the copolymer does not include a group to donate an unshared pair of electrons,
wherein a repeating unit of the copolymer is a compound represented by Formula O:

wherein X1, X2, X3 and X4 are independently hydrogen, fluorine, or an organic compound; at least one among X1, X2, X3 and X4 is not hydrogen; and R1 and R2 are independently hydrogen or an alkyl group; and the organic compound is an alkyl group having a carbon number of 1 to 6.

US Pat. No. 11,029,567

LIQUID CRYSTAL PANEL HAVING AN ELECTRODE WITH A BENT PORTION

Japan Display Inc., Toky...

1. A liquid crystal panel comprising:a first substrate and a second substrate with a liquid crystal layer therebetween; and
a plurality of pixels arranged in a first direction and a second direction crossing the first direction, each of the pixels having a pixel region and including:
a first electrode;
a second electrode disposed between the first electrode and the first substrate; and
an alignment film having an alignment direction,
wherein the first electrode has:
a plurality of electrode branches each having a first end and a second end in the first direction;
a slit between adjacent two branches;
a first connection connecting the first ends of the electrode branches;
a second connection connecting the second ends of the electrode branches; and
a contact hole disposed adjacent to the first connection,
wherein the first electrode has areas including a first bent portion, a second bent portion, and a main portion that is disposed between the first bent portion and the second bent portion in a longitudinal direction of the first electrode,
wherein the first bent portion is adjacent to the contact hole and includes the first end, the first bent portion being bent relative to the main portion along the first bending point line of the first electrode in such a manner that the first bent portion is bent at a first angle that is not less than 7 degrees and not more than 15 degrees with respect to the alignment direction,
wherein the second bent portion is bent relative to the main portion along a second bending point line of the first electrode, in an area close to the second ends of the branches,
wherein the second connection of the first electrode connects the second ends in the second bent portion, the second ends being adjacent to each other in the second direction,
wherein a direction of the first bent portion is substantially parallel to a direction of the second bent portion, and
wherein an area ratio of the first bent portion relative to an entire area of the pixel region is not more than 50%.
wherein an area ratio of the first bent portion relative to an entire area of the pixel region is not more than 50%.

US Pat. No. 11,029,566

DIFFUSER FOR PRIVACY DISPLAY

RealD Spark, LLC, Beverl...

4. A display device for use in ambient illumination, the display device comprising:a spatial light modulator arranged to output light;
an output polariser arranged on an output side of the spatial light modulator, the output polariser being a linear polariser having an electric vector transmission direction; and
an output diffuser structure arranged on the output side of the output polariser, the output diffuser structure comprising first and second structured output layers arranged on the output side of the output polariser, the first structured output layer being on the output side of the second structured output layer and having an output surface on the output side, and the first and second structured output layers comprising first and second transparent materials that have an interface surface therebetween, at least one of the first and second transparent materials being a birefringent material having an optical axis that is aligned parallel or orthogonal to the electric vector transmission direction of the output polariser,
wherein:
an output surface of the first structured output layer has a first surface relief profile;
the interface surface has a second surface relief profile;
the first surface relief profile and the second surface relief profile have the same, aligned shapes but with a relative scaling in amplitude along an axis normal to the plane of the output polariser so that the amplitude of the first surface relief profile is less than the amplitude of the second surface relief profile;
for light output from the output polariser, the refractive index of the first transparent material is greater than the refractive index of the second transparent material;
said relative scaling and said refractive indices of the first and second transparent materials are selected so that the output diffuser structure introduces no net angular deflection of light rays passed by the output polariser along an axis along a normal to the plane of the output polariser;
the spatial light modulator has a display polariser arranged on the output side thereof;
the output polariser is an additional polariser arranged on the output side of the display polariser, the additional polariser being a linear polariser;
the display device further comprises plural retarders arranged between the additional polariser and the display polariser; and
wherein the plural retarders comprise at least one polar phase control retarder arranged that is capable of simultaneously introducing no net relative phase shift to orthogonal polarisation components of light passed by the display polariser along an axis along a normal to the plane of the at least one polar phase control retarder and introducing a relative phase shift to orthogonal polarisation components of light passed by the display polariser along an axis inclined to a normal to the plane of the at least one polar phase control retarder.

US Pat. No. 11,029,565

DISPLAY PANEL, DISPLAY DEVICE, AND METHOD FOR MANUFACTURING DISPLAY PANEL

BOE TECHNOLOGY GROUP CO.,...

1. A display panel, comprising:a first substrate, a first alignment film, a liquid crystal layer, a second alignment film and a second substrate extending along a first direction and a second direction and sequentially arranged along a third direction perpendicular to the first direction and the second direction,
wherein the liquid crystal layer comprises a column of liquid crystal molecules along the third direction, and the column of liquid crystal molecules comprises a first liquid crystal molecule closest to the first alignment film and a second liquid crystal molecule closest to the second alignment film,
wherein, on a plane defined by the first direction and the second direction, an orthographic projection of a long axis of the first liquid crystal molecule is at an acute angle to an orthographic projection of a long axis of the second liquid crystal molecule,
wherein, on a plane defined by an angular bisector of the acute angle and the third direction, an extension line of the orthographic projection of the long axis of the first liquid crystal molecule intersects with an extension line of the orthographic projection of the long axis of the second liquid crystal molecule to form an intersection point, and
wherein, on a line along the third direction, an orthographic projection of the intersection point is between the orthographic projection of the long axis of the first liquid crystal molecule and the orthographic projection of the long axis of the second liquid crystal molecule.

US Pat. No. 11,029,564

POLARIZING EDGE COUPLED LIGHT IN BACKLIGHT

Lumileds LLC, San Jose, ...

1. An apparatus, comprising:a light emitting element configured to emit visible light; a polarizing device including a prism situated to receive the visible light and to polarize the visible light to generate polarized light; and
a light guide panel configured to receive the polarized light at an input surface facing the polarizing device and to distribute the polarized light to a major surface of the light guide panel facing a display screen, the polarizing device including a first exposed surface and a second exposed surface and four non-exposed surfaces, and further includes a reflecting component on the non-exposed surfaces, the first exposed surface facing the light emitting element and the second exposed surface facing the input surface of the light guide panel.

US Pat. No. 11,029,563

COLOR CONVERSION SUBSTRATE AND RELATED DISPLAY DEVICE

Samsung Display Co., Ltd....

1. A color conversion substrate for displaying a first color, a second color, and a third color, the color conversion substrate comprising:a base substrate;
a first light-blocking portion disposed on a surface of the base substrate and configured to block first light of the third color;
a second light-blocking portion disposed on the surface of the base substrate and configured to block second light of the third color;
a first pattern layer disposed on the first light-blocking portion and the second light-blocking portion and comprising a first optical pattern, wherein the first optical pattern comprises first-set protrusions;
a first color conversion layer overlapping the first light-blocking portion and configured to convert a first portion of incident light into light of the first color; and
a second color conversion layer overlapping the second light-blocking portion and configured to convert a second portion of the incident light into light of the second color,
wherein a first-set protrusion of the first-set protrusions protrudes into a recess of the first color conversion layer in a direction perpendicular to the surface of the base substrate, and wherein the recess of the first color conversion layer does not include any portion which does not overlap the first light-blocking portion in the direction perpendicular to the surface of the base substrate.

US Pat. No. 11,029,562

BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME

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

1. A backlight unit, comprising:a circuit board;
a plurality of LED packages mounted on the circuit board;
an encapsulation member over the circuit board and covering the plurality of LED packages; and
a multi-pattern sheet over the encapsulation member and including
a glass complex body containing a phosphor, and
a plurality of diffusion patterns on an upper surface of the glass complex body,
wherein the plurality of diffusion patterns includes a plurality of first patterns, each of the first patterns aligned with a respective LED package of the plurality of LED packages along a first direction, and a plurality of second patterns, each of the second patterns aligned with a respective portion between adjacent LED packages of the plurality of LED packages along the first direction and alternating the each of the first patterns such that a single second pattern is disposed between adjacent first patterns of the plurality of first patterns,
wherein the first patterns and the second patterns are different patterns,
wherein the single second pattern is a single horn having a vertex, and the single horn is disposed between the adjacent first patterns, and
wherein a width of a bottom surface of the single horn contacting the upper surface of the glass complex body is smaller than a width of a bottom surface of each of the adjacent first patterns contacting the upper surface of the glass complex body.

US Pat. No. 11,029,561

LIGHT EMITTING MODULE AND PLANAR LIGHT SOURCE

NICHIA CORPORATION, Anan...

1. A light emitting module comprising:a light guide having:
an upper face having a projected portion that has a planar face, and a wall portion surrounding the projected portion, a top part of the wall portion being positioned higher than the planar face; and
a lower face opposing the upper face, the lower face having a recessed portion,
a light transmitting part formed on the projected portion in an area surrounded by the wall portion, and having a lower refractive index than a reflective index of the light guide, and
a light source disposed in the recessed portion, wherein
the projected portion has an oblique face oblique to the planar face, and disposed between the planar face and the wall portion, and
in a plan view of the planar face of the projected portion, the oblique face of the projected portion is positioned outward of a lateral face of the recessed portion at least in part.

US Pat. No. 11,029,560

LIQUID CRYSTAL DISPLAY LIGHTING MODES

Hewlett-Packard Developme...

1. A device, comprising:a liquid crystal display (LCD);
a wide gamut light-emitting diode (LED) light set to backlight the LCD;
a narrow gamut LED light set to backlight the LCD; and
a controller communicatively coupled to the LCD to:
in response to detecting an ambient light amount associated with the LCD being above a particular threshold and a white content separate and distinct from the ambient light displayed on the LCD being below a different particular threshold, turn on the wide gamut LED light set and the narrow gamut LED light set to place the LCD in a high brightness lighting mode,
wherein the different particular threshold comprises a white content on the LCD of 20 percent; and
in response to detecting the ambient light amount being below the particular threshold and the white content being above the different particular threshold, adjust the LCD to a different lighting mode.

US Pat. No. 11,029,559

NANOSTRUCTURE BASED DISPLAY DEVICES

Nanosys, Inc., Milpitas,...

1. A display device comprising:a backlight unit comprising a light source; and
a liquid crystal display (LCD) module comprising:
a phosphor film configured to receive a primary light, from the light source, having a first peak wavelength and to convert a portion of the primary light to emit a secondary light having a second peak wavelength that is different from the first peak wavelength; and
a filter element comprising nanostructured materials that exhibit light absorption properties and do not exhibit luminescent properties, wherein the filter element is optically coupled to the phosphor film and is configured to allow the secondary light to pass through the filter element and to block an unconverted portion of the primary light from passing through the filter element.

US Pat. No. 11,029,558

IMAGE DISPLAY APPARATUS

KYOCERA CORPORATION, Kyo...

1. An image display apparatus, comprising:a liquid crystal display panel comprising a display surface for displaying an image on a first surface of the liquid crystal display panel;
an imaging device disposed to face a second surface of the liquid crystal display panel, the second surface located opposite to the first surface, the imaging device being capable of imaging a front area of the liquid crystal display panel and comprising
a sleeve, and
an imaging element which receives incoming light which has passed through the sleeve;
a backlight device disposed to face the second surface of the liquid crystal display panel, the backlight device applying light to the second surface of the liquid crystal display panel and including a retaining portion to hold the imaging device; and
a light shield member comprising an inner periphery portion and an outer periphery portion, the light shield member having an annular shape, being disposed between the second surface of the liquid crystal display panel and an end surface of the sleeve, and being in contact with each of the second surface and the end surface,
wherein a thickness of the inner periphery portion is a greater than a thickness of the outer periphery portion.

US Pat. No. 11,029,557

OPTICAL LAMINATE FILM AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE

FUJIFILM Corporation, To...

1. An optical laminate film comprising, at least:a polarizer;
a phase difference layer; and
a circularly polarized light separating layer,
wherein the polarizer, the phase difference layer, and the circularly polarized light separating layer are arranged in this order,
an in-plane retardation Re(550) of the phase difference layer is 120 to 160 nm,
the polarizer and the phase difference layer are arranged such that an angle formed between a transmission axis of the polarizer and a slow axis of the phase difference layer is 45°±10°,
the circularly polarized light separating layer is a cholesteric liquid crystal layer formed by fixing a cholesteric liquid crystalline phase, and an in-plane retardation Re(550) of the cholesteric liquid crystal layer is 0.5 to 3.0 nm.

US Pat. No. 11,029,556

DISPLAY DEVICE

Coretronic Corporation, ...

1. A display device, comprising:a beam splitting element, configured to receive an illumination beam and allow an image beam to pass through, wherein the illumination beam is reflected in the beam splitting element and transmitted in a first direction;
a polarization modulating element, disposed on one side of the beam splitting element along the first direction, and configured to modulate or maintain polarization states of the illumination beam and polarization states of the image beam;
a light shifting element, disposed on one side of the polarization modulating element along the first direction, and configured to modulate the image beam having the polarization state to be shifted by a distance, wherein the polarization modulating element is disposed between the beam splitting element and the light shifting element; and
a reflective liquid crystal panel, disposed on one side of the light shifting element along the first direction, and configured to receive the illumination beam and emit the image beam in a second direction, wherein the first direction is opposite to the second direction, wherein the light shifting element is disposed between the polarization modulating element and the reflective liquid crystal panel.

US Pat. No. 11,029,555

COLOUR FILM SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY PANEL

CHONGQING BOE OPTOELECTRO...

1. A manufacturing method of a color filter (CF) substrate, comprising:providing a base substrate; and
forming a black matrix layer and a plurality of first sub-pixel units on the base substrate, by coating a photoresist and patterning the photoresist to form the black matrix layer and the plurality of sub-pixel units in the same photoresist material, which comprises a red, green, blue or yellow pigment and an irreversible thermochromic pigment, the photoresist is capable of being changed into black color upon being heated, and a color of the photoresist before color change is the same as a color of the first sub-pixel units which is red, blue, green or yellow, the black matrix layer is formed by selectively heating the photoresist which is red, blue, green or yellow in the desired black matrix layer pattern to color the photoresist black,
wherein a weight percent of the irreversible thermochromic pigment is more than 10 wt % and less than or equal to 25 wt %.

US Pat. No. 11,029,554

DISPLAY DEVICE

Samsung Display Co., Ltd....

1. A display device comprising:a plurality of pixels disposed along a first direction and comprising a first pixel including a first color filter, a second pixel including a second color filter, and a third pixel including a third color filter;
a plurality of first signal lines and a plurality of data lines extending in a second direction substantially perpendicular to the first direction;
a first overlapping portion in which the first color filter and the second color filter overlap each other in an adjacent portion of the first pixel and the second pixel without overlapping the data lines;
a second overlapping portion in which the second color filter and the third color filter overlap each other that overlap one data line of the data lines in an adjacent portion of the second pixel and the third pixel; and
a third overlapping portion in which the third color filter and the first color filter overlap each other that overlap two data line of the data lines in an adjacent portion of the third pixel and the first pixel.

US Pat. No. 11,029,553

OPTICAL COMPOSITE FILM, DISPLAY PANEL, AND DISPLAY DEVICE

HKC Corporation Limited, ...

1. An optical composite film, comprising:a first optically-uniaxial optical film layer, comprising a plate-shaped portion and a plurality of refraction portions disposed on a side of the plate-shaped portion, wherein the plurality of refraction portions is selected from one type of camber columns and quadrangular prisms, and when the plurality of refraction portions is the camber columns, the refraction portion has a plurality of side surfaces, one of the plurality of side surfaces is an arc-shaped convex surface, and a side surface of the refraction portion away from the arc-shaped convex surface is laminated to the plate-shaped portion; and when the plurality of refraction portions is the quadrangular prisms, a side surface of the refraction portion is laminated to the plate-shaped portion;
a second optically-uniaxial optical film layer, stacked on a side of the plate-shaped portion close to the refraction portion, wherein the plurality of refraction portions is accommodated in the second optically-uniaxial optical film layer, an extraordinary light refractive index of the first optically-uniaxial optical film layer is greater than an ordinary light refractive index of the second optically-uniaxial optical film layer, and a material of the first optically-uniaxial optical film layer is the same as a material of the second optically-uniaxial optical film layer; and
a reflection grating film layer, disposed on a side of the second optically-uniaxial optical film layer away from the first optically-uniaxial optical film layer.

US Pat. No. 11,029,552

GLASS STRUCTURE

SEKISUI CHEMICAL CO., LTD...

1. A glass structure comprising:a pair of glass plates;
a light control body disposed between the pair of glass plates; and
an ultraviolet absorbing layer disposed between the light control body and one of the glass plates,
the ultraviolet absorbing layer having a maximum transmittance of 10% or less in a wavelength region of 370 nm or more and 400 nm or less and a maximum transmittance of 50% or more in a wavelength region of more than 400 nm and 420 nm or less,
a ratio of a transmittance at 405 nm to a transmittance at 395 nm being 12 or more.

US Pat. No. 11,029,551

LIGHT CONTROL DEVICE

TOPPAN PRINTING CO., LTD....

1. A light control device, comprising:a first transparent electrode;
a second transparent electrode;
a light control layer sandwiched vertically between the first transparent electrode and the second transparent electrode;
a first orientation layer formed on a first surface of the light control layer and positioned between the first transparent electrode and the light control layer;
a second orientation layer formed on a second surface of the light control layer and positioned between the second transparent electrode and the light control layer; and
a pair of polarizing layers sandwiching the light control layer and positioned in a crossed Nicols relationship,
wherein the light control layer includes a polymer network and a liquid crystal composition forming a plurality of domains in the polymer network such that at least one of the domains is in contact with at least one of the first and second orientation layers and that the liquid crystal composition includes a plurality of liquid crystal molecules that change to a vertical orientation upon application of a driving voltage to the light control layer, the plurality of domains is dispersed in the polymer network such that the plurality of domains are connected each other through adjacent ones of the domains and that the liquid crystal composition is continuous through the plurality of domains, and the light control layer is formed such that the liquid crystal composition is in a form of the plurality of domains having an average domain diameter in a range of 0.1 ?m to 5 ?m.

US Pat. No. 11,029,550

ELECTRO-OPTICAL DEVICE

Japan Display Inc., Mina...

1. n electro-optical device comprising:a flexible first substrate and a flexible second substrate which include an electro-optical area;
a drive area in the first substrate with terminals formed in the drive area;
an external drive circuit connected to the terminals;
conductive lines in the drive area extending from the terminals to the electro-optical area side; and
a first resin film overlapping the conductive lines, wherein
the second substrate overlaps the first substrate,
the first substrate is larger than the second substrate and includes the drive area exposed from the second substrate, the first resin film is disposed on the drive area and does not overlap the e ectro-optical area,
a gap is formed between the first resin film and the second substrate in planar view, and
the first resin film does not contact the second substrate.

US Pat. No. 11,029,549

LIQUID CRYSTAL WRITING DEVICE

WICUE, INC., Cupertino, ...

1. An electronic writing device, comprising:a transparent top layer;
a liquid crystal layer including a plurality of liquid crystal cells beneath the transparent top layer, the liquid crystal layer configured to display an image by switching one or more of the liquid crystal cells from a scattering state to a reflective state in response to a pressing force;
a matrix of electrodes controllable to supply voltage signals to the liquid crystal cells; and
a control circuitry configured to receive an erase command, the erase command allowing one or more electrodes of the matrix of electrodes corresponding to a touch area to be identified, the touch area being identified using infrared touch sensing;
wherein the control circuitry is further configured to erase at least a portion of the image from the touched area, by causing the one or more electrodes from the matrix of electrodes to apply an erase voltage signal to a portion of the liquid crystal cells corresponding to the touched area, wherein the erase voltage signal switches the portion of the liquid crystal cells to the scattering state.

US Pat. No. 11,029,548

IN-FLIGHT ENTERTAINMENT SYSTEMS AND MONITOR ASSEMBLIES FOR IN-FLIGHT ENTERTAINMENT SYSTEMS

PANASONIC AVIONICS CORPOR...

1. A monitor assembly for an In-Flight Entertainment (IFE) system, comprising:a screen assembly including a front face, a rear face, and a side surface that extends between the front and rear faces;
a frame element positioned at least partially around the side surface of the screen assembly, the frame element including a front portion, a rear portion, and a side surface that extends between the front portion and the rear portion; and
a cradle having a rear portion and a frame element covering portion, wherein the frame element covering portion is positioned around at least a portion of the side surface of the frame element, wherein the frame element is configured to break upon an impact to form multiple frame element fragments, and wherein the cradle is configured to contain the multiple frame element fragments and remain intact upon the impact.

US Pat. No. 11,029,547

DISPLAY DEVICE

LG ELECTRONICS INC., Seo...

1. A display device comprising:a display panel;
a main frame disposed at a rear of the display panel;
a side frame extending along sides of the display panel and comprising:
a first part extending along a first short side of the display panel;
a second part adjacent to the first part and extending along a first long side of the display panel; and
a third part adjacent to the second part and extending along a second short side of the display panel opposite the first short side;
wherein at least one of the first part, second part, and third part comprises:
a flat portion configured to support a rear surface of the display panel and coupled to the rear surface via a supporting layer;
a securing portion configured to be coupled with a corresponding side of the main frame; and
an exterior portion extending laterally beyond a corresponding side of the display panel,
wherein the side frame further comprises cut-out portions of the flat portion between the first part and the second part and of the flat portion between the second part and the third part.

US Pat. No. 11,029,546

FLEXIBLE DISPLAY DEVICE

1. A flexible display device, comprising:a flexible panel comprising a non-bendable area, a bendable area adjacent to the non-bendable area and a plane area which is adjacent to the bendable area and which is parallel to the non-bendable area;
a heat emission support layer positioned between the non-bendable area and the plane area, wherein at least one groove is defined in a side of the heat emission support layer towards the plane area;
a chip on film (COF), wherein a side of the COF is connected to the plane area, and a driving element is provided on a surface of the COF towards the heat emission support layer; and
a circuit board, wherein a side of the circuit board is connected to the COF and another side of the circuit board is connected to the heat emission support layer, and a circuit board element is provided on the surface of the circuit board towards the heat emission support layer;
wherein the driving element and the circuit board element are positioned within the at least one groove.

US Pat. No. 11,029,545

THIN FILM TRANSISTOR LIQUID CRYSTAL DISPLAY (TFT-LCD) AND THE DRIVING CIRCUIT AND SWITCHING POWER SUPPLY THEREOF

SHENZHEN CHINA STAR OPTOE...

1. A switching power supply, comprising:a pulse width modulation (PWM) controller, an electronic signal generator, and a field effect transistor (FET);
wherein an output pin of the electronic signal generator is configured to output a voltage signal that varies periodically between multiple voltage ranges, such that the multiple voltage ranges are sequentially assigned to the voltage signal;
wherein a frequency selection pin of the PWM controller and the output pin of the electronic signal generator are connected to receive the voltage signal from the electronic signal generator, and the PWM controller outputs a switching signal through at least one output pin according to the voltage signal of the electronic signal generator received by the frequency selection pin;
wherein a gate pin of the FET connects to output pin of the PWM controller, and a source pin of the FET is grounded;
wherein the switching signal output from the PWM controller varies periodically according to the periodic variation of the voltage signal output from the electronic signal generator and a frequency of the switching signal of the PWM controller varies periodically between multiple values respectively corresponding to the multiple voltage ranges of the voltage signal of the electronic signal generator, wherein a cycle of the multiple values of the frequency of the switch signal of the PWM controller is periodically repeated;
wherein the multiple voltage ranges comprise a first voltage range and a second voltage range and the voltage signal varies periodically between the first voltage range and the second range and a cycle of the first voltage range and the second voltage periodically repeated; and
wherein the first voltage range is 0 to 0.7V and the second voltage range is 2.7V to 3.3 V;
the frequency of the switching signal of the PWM controller corresponding to the first voltage range is 500 kHz, and the frequency of the switching signal of the PWM controller corresponding to the second voltage range is 750 kHz.

US Pat. No. 11,029,544

DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME

Samsung Display Co., Ltd....

1. A display device comprising:a first substrate;
a pixel disposed on the first substrate and including first, second and third sub-pixel electrodes adjacent to each other;
a second substrate spaced from the first substrate;
a color conversion layer disposed on the second substrate, the color conversion layer including a first wavelength conversion layer overlapping with the first sub pixel electrode and a second wavelength conversion layer overlapping with the second sub pixel electrode;
an inorganic layer disposed on the color conversion layer;
a transmissive layer disposed on the inorganic layer, the transmissive layer including a first sub-transmissive layer overlapping with the third sub-pixel electrode and a second sub-transmissive layer disposed between the first wavelength conversion layer and the second wavelength conversion layer; and
a planarization layer disposed on the color conversion layer and the transmissive layer,
wherein:
the first wavelength conversion layer, the second wavelength conversion layer, the first sub-transmissive layer, and the second sub-transmissive layer are disposed between the second substrate and the planarization layer;
the first sub-transmissive layer and the second sub-transmissive layer directly contact the planarization layer; and
the first wavelength conversion layer, the second wavelength conversion layer, the first sub-transmissive layer, and the second sub-transmissive layer directly contact the inorganic layer.

US Pat. No. 11,029,543

EYEGLASSES AND METHOD FOR IMPROVING EYESIGHT

1. A method for natural improvement of eyesight or vision of a user through the use of eyeglasses, the method comprising the step of:providing said eyeglasses comprising a lens to the user,
wherein said eyeglasses help to exercise muscles about at least one eye of the user,
wherein said lens comprises a plurality of holes of at least two different sizes in width, each of said at least two different sizes is between and including 1 millimeter (0.0393701 inch) to 3 millimeters (0.11811 inch) in width,
wherein all holes of said lens are arranged in a plurality of rows, and all holes of said lens are randomly arranged in terms of the different sizes of width of each hole.

US Pat. No. 11,029,542

EYEWEAR WITH ADJUSTABLE INDICATION OF VISION FIELD

Vision Field Technologies...

1. An eyewear with an adjustable indication of vision field, comprising:an eyewear frame having a right side, a left side opposite the right side, and a pair of lens areas positioned between the right side and the left side and adapted to be aligned with a pair of eyes of a user;
a shade positioning assembly attached to one of the right side and the left side of the eyewear frame; and
a shade formed of a transparent material, the shade attached to the eyewear frame at the shade positioning assembly, the shade is movable along the shade positioning assembly to a plurality of positions and is holdable in each of the plurality of positions among which the shade covers a varying amount of one of the lens areas, the plurality of positions include a personal optimized position in which the shade is positioned over the one of the lens areas in a portion of a vision field of the user outside of a primary vision field of the user.

US Pat. No. 11,029,541

OPTICAL ARTICLE WITH BLUE CUT, HIGH UV CUT AND HIGH CLARITY

Essilor International, C...

1. A transparent optical article with enhanced ultraviolet and blue light blocking ability comprising:a selective filter at least partially blocking blue light in a wavelength range chosen within the 400-460 nm range; and
a high-pass filter having its maximum cut in the UV light wavelength range and partially blocking blue light in the 400-500 nm range;wherein the optical article blocks at least 66% of light with a wavelength less than or equal to about 410 nm, at each wavelength in the wavelength range 350-410 nm;wherein the selective filter is an absorbing dye that has an absorption peak centered at a wavelength chosen within the 410-440 nm wavelength range and exhibits a full width at half maximum lower than or equal to 40 nm.

US Pat. No. 11,029,540

SPECTACLE LENS AND METHOD OF USING A SPECTACLE LENS

HOYA LENS THAILAND LTD., ...

1. A spectacle lens comprising:a first refraction area having a first refractive power based on a prescription for correcting an abnormal refraction of an eye; and
a plurality of second refraction areas, each having a refractive power different from the first refractive power, and having a function of focusing an image on a position other than a retina of the eye so as to suppress a progress of the abnormal refraction of the eye,
wherein the second refraction areas are dispersedly arranged as a plurality of mutually separate areas, and
wherein each of the plurality of second refraction areas is surrounded by the first refraction area.

US Pat. No. 11,029,538

CONTACT LENSES HAVING AN ION-IMPERMEABLE PORTION AND RELATED METHODS

COOPERVISION INTERNATIONA...

1. A contact lens, comprising:a lens body that comprises an ion-impermeable portion, and an ion-permeable portion, the lens body having an average ionoflux transmittance of at least 1.34×10?4 mm/min and wherein the lens body comprises an optic zone that comprises an electronically adjustable optic.

US Pat. No. 11,029,537

SOFT CONTACT LENS WITH NEW STABILIZATION ZONES FOR IMPROVED ANGULAR STABILITY AND COMFORT

1. An ophthalmic lens comprising:a first surface;
a second surface disposed opposite the first surface, wherein the second surface is configured to abut at least a portion of an eye of a wearer; and
a lens stabilization zone disposed adjacent the first surface, wherein at least a contour of the lens stabilization zone is configured to minimize a recovery time for the ophthalmic lens to orient to a resting position from a misaligned position,wherein the lens stabilization zone is disposed at least partially within an active region of the lens based on an expected interaction with the at least one eyelid of the wearer, and wherein the one or more eyelid profiles comprise a Cartesian coordinate system by a second order polynomial of the form: a0+a1·x+a2·x2, where a0 represents the superior/inferior palpebral aperture, the distance between the pupil center to the edge of the upper/lower eyelid in primary gaze, a1 is the slope of the eyelid at the location of the superior/inferior palpebral aperture and a2 is the curvature at that same location, and x is the distance along the horizontal direction of the Cartesian coordinate system with its origin at the center of the pupil.

US Pat. No. 11,029,536

MULTIFOCAL LENS

RAYNER INTRAOCULAR LENSES...

1. A multifocal lens with a refractive focal point (Fr) and a diffractive structure, the structure having a periodic profile in the radial direction (r) of the lens plotted over the squared radius (r2), andthe profile having four mutually adjacent portions per period which cannot be differentiated at their junctions,
the four portions including a first portion, a second portion, a third portion and a fourth portion, wherein the first portion is adjacent to the fourth portion and the second portion, and the third portion is adjacent to the second portion and fourth portion,
wherein the first portion falls monotonically and the second portion, the third portion, and the fourth portion each rise monotonically, or a first portion rises monotonically and the second portion, the third portion, and the fourth portion each fall monotonically, and
wherein the third portion has a steeper gradient than the second portion and the fourth portion, and wherein the period (p) of the profile, plotted over the squared radius, amounts to 0.5 mm2 to 1 mm2 and the profile depth (T) to 2 ?m to 10 ?m.

US Pat. No. 11,029,535

UNOBTRUSIVE EYE MOUNTED DISPLAY

Tectus Corporation, Sara...

1. An augmented reality system comprising: a contact lens display capable of projecting images onto a user's retina; an audio input configured to receive audio that contains speech; and a processor coupled to the audio input, the processor configured to: receive the audio from the audio input; recognize speech in the audio; and convert the audio to text of the speech in a format suitable for transmission to the contact lens display, wherein the contact lens display projects the text onto the user's retina such that the user does not have to move their eye laterally to read displayed text, and wherein, for text that contains a plurality of words, the contact lens display sequentially projects the text onto the user's retina a few words at a time.

US Pat. No. 11,029,534

MULTIPLE-WAVELENGTH LENS FORMING SYSTEM AND METHOD

1. A method for forming a contact lens having an optic zone comprising:forming a Lens Precursor by
obtaining a Lens Reactive Mixture including a UV blocker and a photoinitiator;
submerging a convex optical quality surface of a forming optic in a reservoir containing said Lens Reactive Mixture;
projecting a first Actinic Radiation having a first spectrum of wavelengths through pre-selected regions of said forming optic, wherein the first spectrum of wavelengths is not attenuated by said UV blocker and is within an initiator absorbance range of said photoinitiator; wherein said pre-selected regions correspond to locations of said contact lens to be formed having a thickness greater than a pre-determined thickness and that are not located in the optic zone, and wherein said first Actinic Radiation is selectively controlled to selectively polymerize or partially polymerize said Lens Reactive Mixture on a Voxel by Voxel basis at said pre-selected regions; and
projecting a second Actinic Radiation having a second different spectrum of wavelengths through said forming optic over a second region corresponding to an entirety of said contact lens to be formed, wherein said second spectrum of wavelengths is at least partially attenuated by said UV blocker and is within said initiator absorbance range of said photoinitiator, wherein said second Actinic Radiation is selectively controlled to selectively polymerize or partially polymerize said Lens Reactive Mixture on a Voxel by Voxel basis across said forming optic;
wherein a time required to form said Lens Precursor is less than a time required to form said Lens Precursor using only said second Actinic Radiation;
removing said forming optic and formed Lens Precursor from said Lens Reactive Mixture;
applying a Fixing Radiation to form said contact lens.

US Pat. No. 11,029,533

GLASSES WITH HINGE STRUCTURE WITH TEMPLE CLIP

1. A pair of eyeglasses, comprising:a lens and frame assembly that includes at least one lens;
a first temple and a second temple; and
a hinge structure pivotally connecting each temple to the lens and frame assembly, wherein the hinge structure includes:
two first projections which are spaced apart from one another, each first projection having a first pivot member thereon, wherein the first projections extend from one of said temple and said lens and frame assembly, and wherein the other of said temple and said lens and frame assembly has two second pivot members that pivotally mate with the first pivot members, wherein the first projections are resiliently flexible for movement between a use position in which the first pivot members are pivotally mated with the second pivot members, and a disengagement position in which the first pivot members are withdrawn from the second pivot members so as to permit the temple and the lens and frame assembly to be separated from one another, and
a blocking member that is removably mountable in abutment with the first projections so as to prevent movement of the first projections to the disengagement position,
wherein the first projections have first sides that face each other, and second sides that face away from each other, wherein the first pivot members are on the second sides, and wherein the blocking member is mountable in abutment with the first sides.

US Pat. No. 11,029,532

EYEWEAR FRAMES AND PRODUCTION METHOD

1. An eyewear frame, comprising:a forehead part comprising two ends and arranged to extend around the eyes of a user when worn and two temple parts each extending rearwardly from a front of the eyewear frame, and from each end of the forehead part, and the forehead part and the temple part being moulded together in a single mould from a first polymer material and comprising a plastic hinge located at the junction of each end of the forehead part and each temple part, said plastic hinge being formed by a region of the first polymer material having thickness which is significantly less than the thickness of corresponding forehead part ends and temple parts adjacent the plastic hinge region, such that the temple parts may be moved about the plastic hinge with respect to the forehead part between an open position in which the eyewear may be worn on a user's head, and a closed position in which the temple parts are arranged approximately parallel to the forehead part and the eyewear may be more conveniently stowed when not in use, characterised in that when the eyewear frame is at rest, the plastic hinges exert a restoring force which urges the temple parts of the frame to the closed position, such that the eye wear frame automatically folds back to the folded position after use when the eyewear frame is at rest, the plastic hinges exert a restoring force which urges the temple parts of the frame to the closed position and in order to wear the eyewear frame the user must open the temple parts against the restoring force of the plastic hinges, and when worn the plastic hinges exert a restoring force on the users head which is sufficient to grip the eyewear frame to the user's head by acting against the temples of the user's head, the eyewear frame is co-moulded with the first polymer material and a second polymer material, the second polymer material having a lower modulus of elasticity, or flexural modulus, than the first polymer, and the second polymer is located in at least two discrete locations on the first polymer to form the eyewear frame, and the second polymer is located over the plastic hinge parts of the first polymer.

US Pat. No. 11,029,531

EYEGLASS FRAME LENS LOCK

Amanda Carrier, Dallas, ...

1. An eyeglass frame, comprising:a bridge;
two rims connected by the bridge, each rim configured to contain a lens;
two split end pieces, each split end piece comprising a first portion and a second portion, and each split end piece coupled to and extending outward from a corresponding rim of the two rims on a side of the corresponding rim opposite the bridge; and
two temples, each temple comprising a lock on an end of the temple, wherein the lock is configured to at least partially contain both the first portion and the second portion of the split end piece and secure the temple to the corresponding rim and secure the lens within the corresponding rim, and wherein the lock comprises:
a passageway comprising a pair of channels beginning at an entrance of the lock and defined by a plurality of surfaces of the lock, each channel configured to receive a corresponding lug of a corresponding portion of the split end piece;
a spring configured to compress as the first portion and the second portion of the split end piece are inserted into the lock and each lug is moved through a corresponding channel of the pair of channels toward a back of the lock; and
a pair of shoulders toward the back of the lock, each shoulder comprising a surface of the lock, wherein each shoulder is configured to receive and engage the corresponding lug.

US Pat. No. 11,029,530

EYEGLASSES WITH EASY SNAP-ON LENSES

Clip Eyewear Limited, Ho...

1. Eyeglasses comprising an eyeglass frame, a pair of lenses and a releasable snap-on mechanism that attaches the pair of lenses onto the frame;wherein the frame comprises first and second eye rims, and the pair of lenses comprises first and second lenses;
wherein the releasable snap-on mechanism comprises first and second grooves, and the first groove is located on the outer surface of the first eye rim, and the second groove is located on the outer surface of the second eye rim, wherein each of the grooves is facing away from a wearer when wearing the eyeglasses, and the releasable snap-on mechanism further comprises first and second flanges, and the first flange is protruding from a wearer facing side of the first lens, and the second flange is protruding from a wearer facing side of the second lens;
wherein the first and second grooves and the first and second flanges are complementary respectively;
wherein the first lens is attached to the first eye rim and the second lens is attached to the second eye rim by applying a pushing force on each lens to force the flange of each lens into the groove of each eye rim; and
wherein the first and second grooves span entirely around perimeter of the first and second eye rims respectively, the first and second flanges span entirely around the perimeter of the first and second lenses respectively.

US Pat. No. 11,029,529

SUBWAVELENGTH STRUCTURED LENS HAVING MOIRE PATTERN, USE AND METHODS OF MAKING THE SAME

1. An optical device for manipulating light comprising:a thin material layer that has an effective optical index which has a Moiré pattern of two or more periodic structures;
wherein the effective optical index at the lateral location of the material layer is an integral of the optical index of the material over the thickness of the material layer at the location;
wherein the Moiré pattern is the pattern formed by superimposing the periodic structures;
wherein at least one of the periodic structures has a period less than the wavelength of the light;
wherein the material layer manipulates an optical property of the light that goes through the material layer,
wherein the material layer manipulates light as a single lens or an array of lenses in the material layer, and
wherein the material layer has a constant surface topology, but an optical index in the material layer that has a Moiré pattern.

US Pat. No. 11,029,528

DISPLAY ALIGNMENT USING DIFFRACTION

Facebook Technologies, LL...

1. A method comprising:determining a first orientation of a display based in part on a diffraction pattern detected by a detector, the diffraction pattern generated by transmitting coherent light through the display to produce the diffraction pattern on the detector;
determining an adjustment to the first orientation of the display using the determined first orientation and a target orientation;
generating instructions for adjusting the display to a second orientation based on the determined adjustment; and
transmitting the instructions to a display alignment device.

US Pat. No. 11,029,527

OPTICAL MOUSE AND LIGHT PIPE THEREOF, AND OPTICAL COMPONENT OF OPTICAL NAVIGATION DEVICE

PIXART IMAGING INC., Hsi...

1. A light pipe of an optical mouse operated with respect to an illuminated surface outside the optical mouse, the light pipe configured to direct a light beam sequentially to the illuminated surface and a light sensor of the optical mouse, and the light pipe comprising:a first optical element configured to receive the light beam entering the light pipe;
a second optical element;
a first lens, configured to receive a reflected light beam from the illuminated surface and having an optical axis; and
a planar surface, extending from the second optical element and directly connected to an edge of the first lens, wherein the optical axis of the first lens is perpendicular to the planar surface,
wherein the light beam propagates in the light pipe from the first optical element to the second optical element without reflection, and then leaves the light pipe through the second optical element to illuminate the illuminated surface.

US Pat. No. 11,029,526

OPTICAL UNIT AND DISPLAY DEVICE

SEIKO EPSON CORPORATION, ...

1. An optical unit comprising:a first panel provided with a first light-emitting element;
a second panel provided with a second light-emitting element;
a third panel provided with a third light-emitting element; and
a dichroic prism including a first incident surface on which image light emitted from the first panel is incident as first image light of a first wavelength region, a second incident surface that faces the first incident surface, and on which image light emitted from the second panel is incident as second image light of a second wavelength region that is different from the first wavelength region, a third incident surface that is provided between the first incident surface and the second incident surface, and on which image light emitted from the third panel is incident as third image light of a third wavelength region that is different from the first wavelength region and the second wavelength region, an emission surface that faces the third incident surface, a first dichroic mirror that reflects the first image light toward the emission surface and allows the second image light and the third image light to pass through, and a second dichroic mirror that reflects the second image light toward the emission surface and allows the first image light and the third image light to pass through, wherein
a single polarization element, which allows, of first polarized light and second polarized light having different polarization directions, the first polarized light to pass through, is arranged in an optical path from one light-emitting element of the first light emitting element, the second light emitting element, and the third light emitting element, to the dichroic prism,
at least one of the first dichroic mirror and the second dichroic mirror has polarization separation characteristics, and
two of the first image light, the second image light, and the third image light are unpolarized at respective incident surfaces of the dichroic prism.

US Pat. No. 11,029,525

AUTOMATIC SENSOR POSITIONING FOR BIOMETRIC SENSING

Intel Corporation, Santa...

1. A head-mounted display device, comprising:a display unit;
a sensor configured to receive a biometric signal, the biometric signal comprising one or more sets of biometric signal data, each set of biometric signal data corresponding to a different position of the sensor;
a housing configured to enable the sensor to retract into the housing along a first axis of motion;
a motion track disposed on the housing, wherein the motion track is configured to guide movement of the sensor along a second axis of motion and a third axis of motion;
a motor configured to move the sensor along the first axis of motion, the second axis of motion, and the third axis of motion as provided by the housing and the motion track; and
a processor communicatively coupled to the sensor and the motor and configured to:
compute a noise component for each of the one or more sets of biometric signal data;
compute a set of signal-to-noise ratios (SNRs) for each of the one or more sets of raw biometric signal data; and
determine, based on computing the set of SNRs, a position for the sensor, the position corresponding to a greater or maximum SNR from the set of SNRs.

US Pat. No. 11,029,524

DISPLAY DEVICE

Beijing Xiaomi Mobile Sof...

1. A display device, comprising:a head-mounted assembly wearable on a user's head;
an optical imaging assembly, mounted on the head-mounted assembly, and configured to present a virtual image to the user when the user wears the head-mounted assembly on the user's head; and
a neck wearable assembly, wearable on the user's neck, and configured to obtain the virtual image and provide the virtual image to the optical imaging assembly for presenting,
wherein the neck wearable assembly includes different hard structures spatially separated from each other, and a deformable part is formed between adjacent hard structures,
wherein the deformable part is not provided with a hard structure inside, and an external wrapping structure of the deformable part is made of flexible material, such that the deformable part is adaptive to the user's neck curve, to achieve adaptive matching of the neck wearable assembly as a whole to the user's neck curve,
wherein the neck wearable assembly is configured to obtain the virtual image and provide the virtual image to the optical imaging assembly, and
wherein, when the neck wearable assembly fails to provide the virtual image to the optical imaging assembly, the optical imaging assembly is configured to obtain a basic virtual image for presenting, or the head-mounted assembly is configured to obtain the basic virtual image and to supply the basic virtual image to the optical imaging assembly for presenting, wherein acquisition difficulty of the basic virtual image is lower than acquisition difficulty of the virtual image.

US Pat. No. 11,029,523

NEAR-EYE DISPLAY WITH SELF-EMITTING MICRODISPLAY ENGINE

Vuzix Corporation, West ...

1. An augmented reality near-eye display, comprising:a transmissive waveguide comprising an optically transmissive substrate having parallel front and back surfaces, wherein an input coupler and an output coupler are located along said transmissive waveguide;
a self-emitting microdisplay system operable to generate images, said self-emitting microdisplay system comprising a two-dimensional image light source having an array of pixels, wherein each pixel of said array of pixels comprises a self-emitting light source operable to emit light as a function of power applied to each said self-emitting light source;
said input coupler operable to direct said light emitted from said two-dimensional image light source into said optically transmissive substrate wherein said light is operable to propagate by internal reflections from said parallel front and back surfaces along said optically transmissive substrate to said output coupler;
said output coupler operable to direct said light out of said optically transmissive substrate to an eyebox within which images generated by said self-emitting microdisplay system are visible as virtual images together with a real-world scene through said parallel front and back surfaces of said transmissive substrate;
a two-dimensional light sensor operable to detect light levels within different portions of said real-world scene; and
drive electronics operable to drive each self-emitting light source at a plurality of power levels as a function of said light level within different portions of said real-world scene.

US Pat. No. 11,029,522

METHOD AND BENDABLE DEVICE FOR CONSTRUCTING 3D DATA ITEM

Samsung Electronics Co., ...

1. A method for constructing a three dimensional (3D) data item in a bendable device, the method comprising:determining, by the bendable device, an inter-axial distance between at least two imaging sensors of the bendable device based on a biometric associated with eyes of a user;
determining, by the bendable device, a bending angle of the bendable device based on the inter-axial distance; and
constructing, by the bendable device, the 3D data item using the bending angle of the bendable device,
wherein the bending angle is determined using the inter-axial distance and a length of the bendable device across an axis of the bendable device.

US Pat. No. 11,029,521

HEAD-MOUNTED DEVICE WITH AN ADJUSTABLE OPACITY SYSTEM

Apple Inc., Cupertino, C...

1. A head-mounted device operable to receive real-world light from external real-world objects, the head-mounted device comprising:a head-mounted support structure;
a display that generates images;
an optical coupler that is supported by the head-mounted support structure, that presents the real-world light for viewing, and that is configured to present the images from the display over the real-world light;
an adjustable opacity system including a photochromic layer that is configured to selectively darken portions of the real-world light from view;
an ultraviolet light source configured to emit ultraviolet light;
an ultraviolet light absorber that is formed separately from the photochromic layer; and
a microelectromechanical mirror array configured to receive the ultraviolet light from the ultraviolet light source, wherein each mirror in the microelectromechanical mirror array has a first state in which the respective mirror directs the ultraviolet light towards a respective adjustable opacity pixel of the photochromic layer and a second state in which the respective mirror directs the ultraviolet light towards the ultraviolet light absorber.

US Pat. No. 11,029,520

HEAD MOUNTED DISPLAY WITH LENS

Seebright Inc., Palo Alt...

1. A head mounted display device for displaying images from a mobile device, comprising:a housing that secures an inserted mobile device, which when fit on the head of a human viewer, secures the mobile device above the eyebrow of the viewer, the mobile device comprising a forward-facing side with a display;
a reflecting surface, connected to the housing, that reflects images displayed by the mobile device display;
one or more lenses, connected to the housing, that focuses the images reflected by the reflecting surface, and
an eyepiece, connected to the housing, that reflects the images from the one or more lenses into both eyes of the viewer,
wherein when the device is fit against the head of the viewer the mobile device is secured in a substantially vertical position by the housing, the lens is secured in a substantially horizontal position, wherein the mobile device is in a vertical position when the display faces at 90 degrees forward from a vertical axis formed by the ground and the head of the viewer, and the reflecting surface forms the hypotenuse of a triangle formed by the plane of the mobile device and the plane of the lens.

US Pat. No. 11,029,519

ANTIREFLECTION COATINGS

GENTEX CORPORATION, Zeel...

1. A transparency, comprising:a first substrate comprising a first surface and a second surface;
a second substrate comprising a third surface and a fourth surface;
an optical coating positioned on the fourth surface, the optical coating having a refractive index of greater than about 1.8 and an nk ratio of greater than about 0.6, and comprising at least one metal or metal alloy selected from aluminum silicon alloys, aluminum titanium alloys, molybdenum, molybdenum rhenium alloys, molybdenum silicon alloys, niobium, cobalt, iridium, platinum, rhenium, ruthenium, stainless steel, tantalum, tungsten, vanadium, and zirconium, and
wherein the reflectance of the fourth surface has a reflectance of less than about 1.2% as measured from the first surface.

US Pat. No. 11,029,518

ANTIREFLECTION COATINGS

GENTEX CORPORATION, Zeel...

1. A transparency, comprising:a first substrate comprising a first surface and a second surface;
a second substrate comprising a third surface and a fourth surface;
an optical coating positioned on the fourth surface having a refractive index real component n of greater than about 1.6 and an nk ratio greater than about 0.4, both as measured at 550 nm, and
wherein the optical coating is configured to attenuate the transmission of the second substrate such that the attenuation factor is less than about 50% and to not substantially affect the reflectivity of the fourth surface, as viewed from the first surface of said transparency.

US Pat. No. 11,029,517

VIRTUAL IMAGE DISPLAY DEVICE

JVC KENWOOD CORPORATION, ...

1. A virtual image display device comprising:a display unit that generates an image display light by modulating an illumination light; and
a projection optical system that includes a concave mirror for reflecting the image display light toward a virtual image presentation plate and a convex lens provided between the display unit and the concave mirror, wherein
the display unit is provided at a position closer to the convex lens than a focal point, within a meridional plane, of a composite optical system formed by the virtual image presentation plate and the projection optical system, and
a focal distance of the concave mirror is longer than a focal distance of the convex lens.

US Pat. No. 11,029,516

IMAGE DISPLAY APPARATUS

CANON KABUSHIKI KAISHA, ...

1. An image display apparatus comprising:a display device; and
an observation optical system that includes a prism having at least a first surface, a second surface, and a third surface as optical surfaces, an internal space in the prism being filled with an optical medium,
wherein the observation optical system is configured to enable light from an original image displayed on the display device to transmit the third surface, to reflect the light on the first surface, to reflect the light on the second surface, to transmit the light through the first surface, and to lead the light to an exit pupil,
wherein the observation optical system has a first section that is a section containing an optical path of light from a center of the original image to a center of the exit pupil through the third surface, the first surface, the second surface, and the first surface, and a second section that is a section orthogonal to the first section, and
wherein a reflection area for an internal reflection of the light on the first surface has a center part that is concave toward the exit pupil on the second section and a peripheral part at both sides of the center part has a convex shape toward the exit pupil on the second section.

US Pat. No. 11,029,515

OPTICAL ELEMENT, AND METHOD FOR CORRECTING THE WAVEFRONT EFFECT OF AN OPTICAL ELEMENT

CARL ZEISS SMT GMBH, Obe...

1. An optical element configured for an optical system, comprising:a substrate;
an optically effective layer system;
at least one correction layer exhibiting a layer stress, wherein the correction layer is an auxiliary layer provided in addition to the substrate and the optically effective layer system; and
a manipulator arranged to manipulate the layer stress in the correction layer such that a wavefront aberration present in the optical system is corrected at least partially by the manipulation;
wherein the manipulator comprises a radiation source arranged for spatially resolved irradiation of the correction layer with electromagnetic radiation; and
wherein the spatially resolved irradiation produces locally restricted structure modifications within the correction layer, in a plurality of spaced apart regions that are modified mutually equally in terms of their respective structures.

US Pat. No. 11,029,514

ANTIREFLECTION FILM AND ITS USE ON A SUBSTRATE

HUNGARO LUX LIGHT KFT., ...

1. An antireflection coating comprising:a transparent first layer (1) applied on a substrate (3) of low refractive index (nsubstrate); and
a transparent second layer (2) over the first layer (1),
wherein thickness (d1) of the first layer (1) ranges from 10 to 70 nm and refractive index (n1) of said first layer (1) satisfies 1.05 wherein thickness (d2) of the second layer (2) ranges from 30 to 100 nm and refractive index (n2) of said second layer (2) satisfies 1.25 wherein n1

US Pat. No. 11,029,513

DYNAMIC AUTOFOCUS METHOD AND SYSTEM FOR ASSAY IMAGER

ILLUMINA, INC., San Dieg...

1. An optical imaging system comprising:a sample holder to receive a sample including a surface having features, wherein the features comprise different target molecules;
an optical assembly to scan the surface in the x or y direction;
a focus control module to dynamically control a focus setting in the z dimension between the optical assembly and the surface in real time, including repeatedly adding a predetermined focal offset in the z dimension, determining a focus score from optical signals that are acquired at the predetermined focal offset, and adjusting the focus setting based on the focus score to reduce an error in the focus setting;
a detector to acquire the optical signals from different regions at different degrees of focus such that a subset of the regions that are scanned have an introduced focus error; and
an image analysis module to analyze the optical signals to identify the different target molecules.

US Pat. No. 11,029,512

ADJUSTING A RESONANT FREQUENCY OF A SCANNING MIRROR

Microsoft Technology Lice...

1. A display device, comprising:control circuitry comprising a tuning driver, a phase detector, and an oscillating driver;
a light source; and
a scanning mirror system comprising
a scanning mirror attached to a frame via a flexure, the scanning mirror configured to be driven by the oscillating driver at a resonant frequency of the scanning mirror and thereby scan light from the light source in at least one direction at the resonant frequency, and
an electromechanical actuator system coupled with the scanning mirror and being controllable by the tuning driver to adjust the resonant frequency of the scanning mirror, the electromechanical actuator system comprising an actuator that spans a corresponding gap, the gap being formed in the frame and spaced away from the flexure, the actuator being configured to apply one or more of a contractive force across the gap to thereby increase a tension in the flexure and increase the resonant frequency of the scanning mirror, and a dilative force across the gap to thereby decrease the tension in the flexure and decrease the resonant frequency of the scanning mirror, wherein the control circuitry is configured to compare via the phase detector a signal indicative of a video frame rate and a signal indicative of the resonant frequency, the comparing by the phase detector being performed after performing an adjustment to permit the comparing of the signal indicative of the video frame rate and the signal indicative of the resonant frequency, and to provide a signal to the tuning driver based on comparing the signal indicative of the video frame rate with the signal indicative of the resonant frequency.

US Pat. No. 11,029,511

LOW WAVEFRONT ERROR PIEZOELECTRICALLY ACTUATED OPTICAL ELEMENT

Polight ASA, Horten (NO)...

1. An optical element comprising:a support structure having a sidewall,
a bendable cover member attached to the sidewall, and
a piezoelectric actuator configured to shape said bendable cover member into a predetermined shape, wherein the piezoelectric actuator comprises a piezoelectric material and electrode layers above and/or below the piezoelectric material,
wherein the optical element further comprises:
a. a bottom electrode,
b. a piezoelectric material in the form of a piezoelectrically active layer, and
c. a top electrode,
wherein the position of the piezoelectric actuator, as observed in a direction being parallel with the optical axis, is given by positions, wherein there is an overlap between all of the bottom electrode, the piezoelectrically active layer and the top electrode,
wherein said optical element comprises an optically active area with an optical axis, wherein
the piezoelectric actuator forms a closed line, which completely encloses the optical axis, and an outer edge of the piezoelectric actuator as observed in a direction being parallel with the optical axis defines a first line, wherein the outer edge is a closed line corresponding to the edge of the piezoelectric actuator facing away from the optical axis, and
an inner edge of the support structure at the interface between the support structure and the bendable cover member as observed in the direction being parallel with the optical axis defines a second line, and
wherein the first line and the second line as observed in the direction being parallel with the optical axis
cross each other in two or more positions, and/or
are parallel and coincident in one or more positions.

US Pat. No. 11,029,510

OPTICAL MODULE

QISDA CORPORATION, Taoyu...

1. An optical module comprising:a housing having a first end, a second end and a through hole, the first end being opposite to the second end;
an optical component disposed in the through hole, the optical component having a third end and a fourth end, the third end being opposite to the fourth end, the third end protruding from the first end, the fourth end protruding from the second end;
a first elastic member rotatably disposed on the first end and abutting against the third end; and
a second elastic member rotatably disposed on the second end and abutting against the fourth end to be spaced apart from the first elastic member on the housing, to push the third end of the optical component in a radial direction of the through hole via an elastic force provided by the first elastic member and to push the fourth end of the optical component in the radial direction of the through hole via an elastic force provided by the second elastic member.

US Pat. No. 11,029,509

OPTICAL MODULE, ELECTRONIC DEVICE, AND DRIVING METHOD

Seiko Epson Corporation

1. A driving method of a wavelength variable interference filter, the wavelength variable interference filter including a pair of mirrors having a gap between the mirrors, the pair of the mirrors being configured to move with respect to each other to vary the gap; an actuator configured to move one of the pair of the mirrors to set the gap between the mirrors according to a voltage applied thereto, so that the wavelength variable interference filter transmits a first wavelength of light corresponding to the gap; and a pair of electrodes configured to detect a capacitance formed therebetween according to the gap between the pair of the mirrors, wherein the gap between the pair of mirror is (i) a first distance when no voltage is applied to the actuator, (ii) a second distance when a first voltage is applied to the actuator where the second distance is less than the first distance, and (iii) a third distance when a second voltage is applied to the actuator where the third distance is greater than the second distance and the second voltage is less than the first voltage, the driving method comprising:detecting, by using the pair of electrodes, the first distance when no voltage is applied to the actuator;
receiving wavelength data that specifies a second wavelength of light;
retrieving, from a memory, gap data that represents different distances of the gap at which the wavelength variable interference filter transmits the second wavelength of light, the different distances of the gap corresponding to respective different orders of light transmission of the wavelength variable interference filter;
selecting a fourth distance from among the different distances of the gap, so that the selected fourth distance is equal to or less than the detected first distance and equal to or greater than the second distance;
retrieving, from the memory, voltage data corresponding to the selected fourth distance; and
applying, to the actuator, a third voltage based on the retrieved voltage data to set the gap of the pair of the mirrors to be the selected fourth distance, so that the wavelength variable interference filter transmits the second wavelength of light.

US Pat. No. 11,029,508

NIGHTVISION WITH INTEGRATED MICRO-DISPLAY MODULE

L3HARRIS TECHNOLOGIES, IN...

1. A method of upgrading an existing nightvision system device, the method comprising:modifying the existing nightvision system device by at least one of removing one or more components on an output side of an intensifier module or by modifying a housing of the existing nightvision system device to create available internal space in the nightvision system device at the output side of the intensifier module; and
optically coupling a display unit to the output side of the intensifier module of the nightvision system by utilizing the available internal space, the display unit configured to display graphical content in a field of view together with nightvision images from an output of the intensifier module of the nightvision system.

US Pat. No. 11,029,507

OBSERVATION DEVICE

OLYMPUS CORPORATION, Tok...

1. An observation device for observing an object, the observation device comprising:an objective that forms an image with light from the object, that includes a lens group, and that has a magnification equal to or higher than 4× and equal to or lower than 20×, the lens group having a positive refractive power and including, in order starting from an object side, a single lens having a concave surface on an object side and a variable aperture diaphragm configured to change a numerical aperture on an exit side of the objective;
an image pickup device that converts an image of the object into an image signal, the image of the object being formed by the objective;
an observation scope changing device that performs electronic scaling on the image signal obtained by the image pickup device and thereby performs an observation scope changing process of changing an observation scope, the electronic scaling changing the observation scope by changing an amount of the image signal that is subject to electronic extraction; and
a control device that controls the variable aperture diaphragm in accordance with the observation scope changing process,
wherein the control device, when narrowing the observation scope or setting an electronic scaling ratio to an enlargement scaling ratio, increases a diaphragm diameter of the variable aperture diaphragm,
wherein the control device, when enlarging the observation scope or setting the electronic scaling ratio to a reduction scaling ratio, reduces the diaphragm diameter of the variable aperture diaphragm,
wherein, during the observation scope changing process, each lens included in the objective remains fixed in its position along an optical axis direction of the objective, and
wherein the single lens is a front lens included in the objective that is arranged closest to the object, and the objective is configured so that the following conditional expression is satisfied:
3?|fa/fGS|?10
where fa is a focal length of the single lens, and fGS is a focal length of a lens group from an object plane to the variable aperture diaphragm.

US Pat. No. 11,029,506

SCANNING MICROSCOPE WITH MULTIPLEXED LIGHT SOURCES

COLUXA INC., Pleasanton,...

1. A scanning optical microscope for optically interrogating a sample with probe laser light at different laser wavelengths, comprising:different laser beam optical modules located to produce different probe laser beams respectively at different laser wavelengths which are combined into a combined probe laser beam bundle in which the different probe laser beams are directed to propagate along a common optical path yet with different beam propagation angles relative to one another;
an optical beam routing device located in the common optical path of the combined probe laser beam bundle having the different probe laser beams and structured to include an optical input port to receive the combined probe laser beam bundle to redirect the combined probe laser beam bundle and a different optical output port;
an optical scanning device located to receive the combined probe laser beam bundle having the different probe laser beams and structured to include an actuator to cause a scanning of the combined probe laser beam bundle having the different probe laser beams to output the different probe laser beams with each being scanned over a scanning range while still being in different beam propagation angles relative to one another;
a sample stage structured to include a sample surface for holding a sample to be optically interrogated by the different probe laser beams at the different laser wavelengths that are scanned over different locations of the sample by the optical scanning device;
a microscope objective lens placed in an optical path of the combined probe laser beam bundle having the different probe laser beams between the optical scanning device and the sample stage to focus the different probe laser beams onto the sample surface at different probe laser beam locations near or on the sample surface so that each probe laser beam at a respective laser wavelength excites generation in the sample of a corresponding fluorescent emission at different fluorescent emission wavelengths caused by laser light at the respective laser wavelength and the different probe laser beams at the different probe laser beam locations cause different fluorescent emissions in the sample at the different probe laser beam locations that are collected by the microscope objective lens as different collected fluorescent emission beams from the different probe laser beam locations at different fluorescent emission beam propagation angles to propagate to the optical scanning device which directs the different collected fluorescent emission beams at different fluorescent emission beam propagation angles to the optical beam routing device which outputs the different collected fluorescent emission beams at different fluorescent emission beam propagation angles at the optical output port as spatially separated different fluorescent emission beams at different fluorescent emission beam propagation angles;
a lens located to receive, from the optical output port of the optical beam routing device, the different fluorescent emission beams at different fluorescent emission beam propagation angles, and to focus the different fluorescent emission beams to different beam focus locations;
different optical fibers located to have respective fiber end facets at the different beam focus locations by the lens, respectively, so that one fiber end facet of one optical fiber receives one of the different fluorescent emission beams; and
different optical detection modules that are respectively coupled to the different optical fibers to receive the different fluorescent emission beams, one optical detection module for one fluorescent emission beam caused by one of the different probe laser beams, wherein each optical detection module includes an optical diffractive device to spatially separates different optical spectral components of a received fluorescent emission beam into different fluorescent emission spectral beams at different optical fluorescent emission wavelengths and an optical detector array of different optical detectors that respectively receive the different fluorescent emission spectral beams to produce different detector signals representing the different fluorescent emission spectral beams.

US Pat. No. 11,029,505

LOW-AUTOFLUORESCENCE AND LOW-REFLECTANCE OPTICAL COMPONENTS FOR MICROSCOPES, AND MICROSCOPES UTILIZING SAME

Molecular Devices, LLC, ...

1. A microscope, comprising:a light source configured for producing excitation light;
a sample stage configured for supporting a sample at a sample plane;
a light detector configured for acquiring an image of the sample; and
optics defining an excitation light path from the light source to the sample plane, and an emission light path from the sample plane to the light detector,
wherein the optics comprise an optical component, and the optical component comprises a substrate, and a high-performance anti-reflective coating on the substrate,
wherein the substrate is a spinning disk positioned at an intermediate image plane in the excitation light path and the emission light path.

US Pat. No. 11,029,504

WINDOW APPARATUS FOR OBTAINING MICROSCOPIC IMAGE OF IN VIVO BREAST TISSUE AND METHOD FOR OBTAINING IMAGE USING SAME

MEDICINAL BIOCONVERGENCE ...

1. A window apparatus for obtaining an in vivo microscopic image of a tissue, the window apparatus comprising:a first chamber configured to have a ring-shaped structure with an open window at the center of the first chamber wherein a cover glass is placed on a cover glass seat configured in an upper part of the first chamber and a lower part of the first chamber is configured to hold a tissue for obtaining the in vivo microscopic image of the tissue;
a second chamber without an associated cover glass configured to have an open window at the center of the second chamber wherein the first chamber and the second chamber are configured to combine with each other, thereby holding the tissue between the first chamber and the second chamber for obtaining the in vivo microscopic image of the tissue; and
a chamber holder configured to fix the first chamber and the second chamber and have a tilting mount seat,
wherein the chamber holder is configured to have a first protrusion and a second protrusion extending from a side of the tilting mount seat, and wherein the sides of said two protrusions facing each other are stepped, and the first chamber and the second chamber are fixed between the first protrusion and the second protrusion.

US Pat. No. 11,029,503

OPTICAL SYSTEM MOUNTS

Goodrich Corporation, Ch...

1. An optical system mount arrangement, comprising:a stop;
a mount for an optical element having a first position and a second position, the mount abutting the stop in the first position, the mount spaced apart from the stop in the second position;
an electromagnet fixed relative to the stop configured and adapted to exert a holding force when the mount is in the first position;
a drive motor operatively connected to the mount for movement between the first and second positions; and
a controller operatively connected to the drive motor and the electromagnet, wherein the controller includes machine readable instructions configured to:
move the mount to the first position;
exert a holding force on the mount with the electromagnet in the first position;
de-energize the electromagnet; and
move the mount from the first position to the second position,
wherein the electromagnet is de-energized prior to moving the mount from the first position to the second position.

US Pat. No. 11,029,502

OPTICAL IMAGING ASSEMBLY AND SYSTEM WITH OPTICAL DISTORTION CORRECTION

BAXTER INTERNATIONAL INC....

1. An optical imaging assembly configured to obtain an image of an object, comprising:a light-transmissive sleeve arranged on an optical axis and configured to enclose the object;
four refractive elements arranged outside of the light-transmissive sleeve and in series on the optical axis and each having an input surface and an output surface; and
an aperture stop disposed on the optical axis, wherein the aperture stop is arranged between the third and fourth refractive elements; and,
wherein at least one of the input surface of the third refractive element, the output surface of the third refractive element, the input surface of the fourth refractive element, and the output surface of the fourth refractive element have radial symmetry.

US Pat. No. 11,029,501

CAMERA LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...

1. A camera lens assembly comprising, sequentially along an optical axis from an object side to an image side,a first lens having a positive refractive power;
a second lens having a negative refractive power;
a third lens having a refractive power;
a fourth lens having a refractive power;
a fifth lens having a refractive power;
a sixth lens having a refractive power, wherein an object-side surface of the sixth lens is a convex surface, and an image-side surface of the sixth lens is a convex surface; and
a seventh lens having a negative refractive power, wherein an object-side surface of the seventh lens is a convex surface,
wherein an effective focal length f2 of the second lens and a total effective focal length f of the camera lens assembly satisfy: ?3?f2/f wherein an effective focal length f7 of the seventh lens and a center thickness CT7 of the seventh lens on the optical axis satisfy: ?5

US Pat. No. 11,029,500

LENS MODULE

AAC Optics Solutions Pte....

1. A lens module, comprising:a lens barrel; and
a lens group received in the lens barrel,
wherein the lens barrel comprises a first barrel wall extending in a horizontal direction and a section barrel wall extending from the first barrel wall while being bent, the first barrel wall comprising a first surface close to an object side and a second surface close to an image side,
the lens group comprises a first lens and a second lens that match each other from the object side to the image side, the first lens being a glass lens, the second lens being a plastic lens, and the first lens and the second lens each comprising an optical portion and a peripheral portion surrounding the optical portion,
wherein the second surface of the first barrel wall comprises:
a first planar surface horizontally extending from a joint between the first barrel wall and the second barrel wall towards an optical axis;
a first oblique surface obliquely extending from the first planar surface towards the optical axis and towards the image side; and
a second planar surface horizontally extending from the first oblique surface towards the optical axis,
wherein an object side surface of the peripheral portion of the first lens comprises:
a third planar surface horizontally extending from an outer edge of the first lens towards the optical axis, the third planar surface being fitted to the first planar surface;
a second oblique surface obliquely extending from the third planar surface towards the optical axis and towards the image side, the second oblique surface being attached to the first oblique surface; and
a fourth planar surface horizontally extending from the second oblique surface towards the optical axis,
wherein an image side surface of the peripheral portion of the first lens comprises:
a fifth planar surface horizontally extending from the outer edge of the first lens towards the optical axis;
a third oblique surface obliquely extending from the fifth planar surface towards the optical axis and towards the image side; and
a sixth planar surface horizontally extending from the third oblique surface towards the optical axis,
wherein the object side surface of the second lens comprises:
a seventh planar surface attached to the fifth planar surface;
a fourth oblique surface obliquely extending from the seventh planar surface towards the optical axis and towards the image side; and
an eighth planar surface horizontally extending from the fourth oblique surface towards the optical axis, the fourth oblique surface being spaced apart from the third oblique surface.

US Pat. No. 11,029,499

FISHEYE LENS ASSEMBLY, AND ELECTRONIC DEVICE COMPRISING SAME

Samsung Electronics Co., ...

1. A fisheye lens assembly comprising:a plurality of lenses sequentially arranged from an object side to an image sensor side and having an angle of view of 150° or more,
wherein the plurality of lenses comprise an aspherical lens having an inflection point on one surface or both surfaces thereof,
wherein the aspherical lens is located closest to the image sensor side among the plurality of lenses and satisfies the expressions below:
35 ?m?SAG_MAX,
1.4?Nd?1.7, and
10?Abv?60,
where SAG_MAX denotes a maximum value of absolute values of SAG values of inflection points of the aspherical lens, Nd denotes a refractive index, and Abv denotes an Abbe number,
wherein the plurality of lenses further comprise a front group, an iris, and a rear group, sequentially arranged from the object side to the image sensor side,
wherein the front group sequentially comprises, from the object side, a first lens having negative refractive power and a second lens having negative refractive power, and
wherein the rear group comprises the aspherical lens.

US Pat. No. 11,029,498

SINGLE-FOCAL LENS SYSTEM, IMAGING DEVICE HAVING SINGLE-FOCAL LENS SYSTEM, AND MOVING BODY HAVING IMAGING DEVICE

PANASONIC INTELLECTUAL PR...

1. A single-focal lens system consisting of, in order from an object side to an image side:a first lens group having positive power;
an aperture diaphragm; and
a second lens group having positive power,
wherein the first lens group consists of
a first lens element having negative power,
a second lens element having negative power, and
a third lens element having positive power,
the second lens group consists of
a fourth lens element having power, and
a fifth lens element having positive power, and
a condition (1), a condition (3c) and a condition (6) shown below are satisfied,
0.5 11.5<|f4/f|  (3c)
60 when fG1 is a focal length of the first lens group at a d-line, fG2 is a focal length of the second lens group at the d-line, f4 is a focal length of the fourth lens element at the d-line, f is a focal length of an entire system at the d-line, and w is a half angle of view.

US Pat. No. 11,029,497

CURABLE COMPOSITION, CURED PRODUCT THEREOF, OPTICAL MEMBER AND OPTICAL DEVICE

DAICEL CORPORATION, Osak...

1. A curable composition comprising:a cycloaliphatic epoxide (A);
a siloxane (B) comprising at least two epoxy groups per molecule;
a curing agent (C);
an oxetane compound; and
a hydrogenated glycidyl ether epoxide;
wherein the siloxane (B) is one or more compounds represented by the following formulae:

US Pat. No. 11,029,496

FOLDED LENS SYSTEM

Apple Inc., Cupertino, C...

1. A lens system, comprising:a plurality of elements arranged along a folded optical axis of the lens system, wherein the plurality of elements includes, in order along the folded optical axis from an object side to an image side:
a first group of elements comprising:
a first refractive lens element with positive refractive power on a first portion of the folded optical axis having a convex object-side surface in the paraxial region; and
a first light folding element that redirects light from the first refractive lens element to a second portion of the folded optical axis;
a second group of elements comprising one or more refractive lens elements on the second portion of the folded optical axis; and
a third group of elements comprising a second light folding element that redirects light from the second portion of the folded optical axis to a sensor on a third portion of the folded optical axis;
wherein SD is semi-diagonal image height of the sensor, wherein the paraxial optical path length (OPL1) of the first group satisfies the condition 0.5

US Pat. No. 11,029,495

OPTICAL IMAGING LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...

1. An optical imaging lens assembly comprising, sequentially along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens,wherein each of the first lens and the fourth lens has a positive refractive power;
the third lens has a negative refractive power;
at least two of the second lens, the third lens, and the fifth lens have negative refractive powers;
an object-side surface of the first lens and an object-side surface of the second lens are convex surfaces;
an image-side surface of the second lens and an object-side surface of the fourth lens are concave surfaces;
an image-side surface of the fifth lens is a convex surface, and a radius of curvature R10 of the image-side surface of the fifth lens and a total effective focal length f of the optical imaging lens assembly satisfy: ?1.0 a spacing distance T23 on the optical axis between the second lens and the third lens and a center thickness CT3 of the third lens on the optical axis satisfy: 1.20?T23/CT3?2.43.

US Pat. No. 11,029,494

OPTICAL IMAGING LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...

1. An optical imaging lens assembly comprising, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens and a fifth lens,wherein the first lens has a positive refractive power, an object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface;
the second lens has a positive refractive power or a negative refractive power;
the third lens has a negative refractive power;
the fourth lens has a positive refractive power;
the fifth lens has a negative refractive power, and an image-side surface of the fifth lens is a convex surface; and
a total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD?1.9,
wherein the total effective focal length f of the optical imaging lens assembly and an effective focal length f2 of the second lens satisfy: f/|f2|?0.1.

US Pat. No. 11,029,493

IMAGING LENS, AND ELECTRONIC APPARATUS INCLUDING THE SAME

Genius Electronic Optical...

1. An imaging lens comprising a first lens element, a second lens element, a third lens element, a fourth lens element, and a fifth lens element arranged in order from an object side to an image side along an optical axis of the imaging lens, each of the first lens element, the second lens element, the third lens element, the fourth lens element and the fifth lens element having an object-side surface facing toward the object side, and an image-side surface facing toward the image side, wherein:the image-side surface of the first lens element has a concave portion in a vicinity of the optical axis of the first lens element;
the image-side surface of the third lens element has a convex portion in a vicinity of a periphery of the third lens element; and
the imaging lens does not include any lens element with a refractive power other than the first lens element, the second lens element, the third lens element, the fourth lens element and the fifth lens element,
wherein, T1 represents a thickness of the first lens element at the optical axis, T2 represents a thickness of the second lens element at the optical axis, T3 represents a thickness of the third lens element at the optical axis, G23 represents an air gap length between the second lens element and the third lens element at the optical axis, and G34 represents an air gap length between the third lens element and the fourth lens element at the optical axis, and T1, T2, T3, G23 and G34 satisfy the equation:
2.113?T1/T2?3.238, and
0.931?(G23+T3)/G34?1.500.

US Pat. No. 11,029,492

LENS MODULE AND ELECTRONIC DEVICE INCLUDING GAS ESCAPE STRUCTURE

TRIPLE WIN TECHNOLOGY (SH...

1. A lens module comprising:a circuit board;
a carrier fixed on the circuit board and defining a surface away from the circuit board, the surface of the carrier defining a through hole, a groove adjacent to the through hole, and a gas escape structure;
an optical filter; and
a lens holder mounted on the surface of the carrier;
wherein the optical filter is fixed in the groove through an adhesive layer, the optical filter and the circuit board close opposite ends of the through hole to form a receiving space, the gas escape structure communicates with the receiving space to allow the release of water vapor generated in the receiving space;
the gas escape structure comprises a first gas escape structure portion and a second gas escape structure portion, the first gas escape structure portion is defined on a sidewall of the groove and defines an opening on the surface of the carrier, the second escape structure portion is defined at a bottom of the groove and communicates with the first escape structure portion, the lens holder closes the opening.

US Pat. No. 11,029,491

CAMERA MODULE INCLUDING MAGNET INTERACTING WITH BOTH COIL FOR PERFORMING FOCUSING FUNCTION AND COIL FOR PERFORMING SHAKE COMPENSATION FUNCTION

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

1. A camera module comprising:a housing comprising a first housing and a second housing disposed under the first housing;
a barrel disposed in the first housing;
a first elastic member connecting the barrel and the first housing;
a second elastic member coupled with the first housing and the second housing;
a lens assembly disposed in the barrel;
a first coil disposed on an outer side of the barrel;
a magnet disposed on the first housing; and
a second coil disposed on the second housing,
wherein the first coil faces the magnet in a horizontal direction and the second coil faces a lower surface of the magnet in a vertical direction such that the first coil and the second coil share and interact with the magnet,
wherein the lens assembly comprises at least five lenses,
wherein a first lens disposed closest to an object side among the at least five lenses comprises a positive refractive power and a convex surface facing the object side,
wherein a second lens disposed second from the object side among the five lenses comprises a meniscus shape,
wherein a third lens disposed third from the object side among the five lenses comprises a meniscus shape,
wherein a fourth lens disposed fourth from the object side among the five lenses comprises a meniscus shape,
wherein at least one of an object side surface of the fourth lens and an image side surface of the fourth lens comprises at least one aspheric inflection point,
wherein a side portion of the first housing is overlapped with a portion of the second elastic member in the horizontal direction,
wherein the first housing comprises the side portion and an upper portion extending from an upper end of the side portion in the horizontal direction,
wherein the magnet comprises the lower surface facing an upper surface of the second coil, an upper surface facing the upper portion of the first housing, a first side surface facing the first coil, and a second side surface facing the side portion of the first housing,
wherein the first coil faces the first side surface of the magnet in the horizontal direction, and
wherein, measured in the vertical direction, a width of the first side surface of the magnet is greater than a width of a surface of the first coil facing the first side surface of the magnet.

US Pat. No. 11,029,490

OPTICAL IMAGING SYSTEM

Samsung Electro-Mechanics...

1. An optical imaging system comprising:a first lens having a refractive power;
a second lens having a negative refractive power;
a third lens having a negative refractive power;
a fourth lens having a refractive power;
a fifth lens having a refractive power; and
a sixth lens having a refractive power,
wherein the first to sixth lenses are sequentially disposed in ascending numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system,
the first to sixth lenses are the only lenses having a refractive power in the optical imaging system, and
the optical imaging system satisfies the following conditional expressions:
0.7 0.1 where TL is a distance from an object-side surface of the first lens to the imaging plane, f is an overall focal length of the optical imaging system, and d45 is a distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens.

US Pat. No. 11,029,489

OPTICAL IMAGING SYSTEM

Samsung Electro-Mechanics...

1. An optical imaging system comprising:a first lens, a second lens, a third lens comprising a concave image-side surface, a fourth lens having positive refractive power, a fifth lens, and a sixth lens sequentially arranged from an object side, wherein
at least two of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens include at least one inflection point, and
an object-side surface of the sixth lens is concave,
wherein the second lens has a refractive index greater than a refractive index of the first lens, a refractive index of the third lens, a refractive index of the fourth lens, a refractive index of the fifth lens, and a refractive index of the sixth lens.

US Pat. No. 11,029,488

REAR CONVERTER LENS AND IMAGING APPARATUS

FUJIFILM Corporation, To...

1. An optical system that has a negative refractive power and is mounted on an image side of a master lens so as to make a focal length of a whole system including the master lens larger than a focal length of the master lens alone, the optical system consisting of, in order from an object side:a first lens group that has a positive refractive power;
a second lens group that has a negative refractive power; and
a third lens group that has a positive refractive power,
wherein the first lens group consists of a negative lens concave toward the image side and a positive lens convex toward the object side in order from the object side,
wherein the second lens group consists of a cemented lens in which a negative lens concave toward the image side, a positive lens convex toward both sides, and a negative lens concave toward the object side are cemented in order from the object side,
wherein the third lens group includes, closest to the object side, a cemented lens in which a positive lens convex toward the object side and a negative lens are cemented in order from the object side, a lens surface closest to an image side of the third lens group has a convex shape toward the image side.

US Pat. No. 11,029,487

OPTICAL LENS

RAYS OPTICS INC., Hsinch...

1. An optical lens, comprising:a first lens group with a positive refractive power and a second lens group with a positive refractive power arranged in order from a first side to a second side; and
an aperture stop disposed between the first lens group and the second lens group, a total number of lenses with refractive powers in the optical lens being less than four, at least two lenses of the optical lens having an Abbe number of smaller than 50, and the optical lens comprising at least two lenses having an index of refraction of greater than 1.7.

US Pat. No. 11,029,486

MICROSCOPE AND OBSERVATION METHOD

FUJIFILM Corporation, To...

1. A microscope, comprising:an illumination light emission portion that emits illumination light to a container containing a liquid and an observation target;
a container support stage on which the container is placed and which supports the container;
an objective lens on which the illumination light having passed through the container and the container support stage is incident;
a focusing light emission portion that emits focusing light having a wavelength different from that of the illumination light from the container support stage side through the objective lens;
a reflected light detection portion that detects reflected light, which is due to emission of the focusing light from the container support stage side, through the objective lens;
a distance changing mechanism that changes a distance between the objective lens and the container support stage; and
a processor configured to:
perform autofocus control by controlling the distance changing mechanism based on the reflected light detected by the reflected light detection portion; and
acquire focus control information including at least one of information of the container, information of an amount of the liquid, or information of a magnification of the objective lens,
wherein the processor is further configured to change a method of the autofocus control based on the focus control information, and
wherein the processor is further configured to acquire information of a culture period of the observation target as the information of the amount of the liquid.

US Pat. No. 11,029,485

OPTICAL MOUNT

JAID Technologies, Inc., ...

1. An optical mount comprising:a) a component support for an optical component;
b) a clamp member;
c) a frame having:
(i) a component support interface that, when positioned against the component support, defines a first spherical curvature for pivoting the component support about a center of curvature,
wherein the component support has a continuous spherical surface having the first spherical curvature;
(ii) a clamping interface that defines a second spherical curvature, concentric with the center of curvature of the component support interface, for pivoting the clamp member;
and
d) a coupling that is configured to urge the clamp member and the component support against the frame.

US Pat. No. 11,029,484

IMAGING APPARATUS, INTERCHANGEABLE LENS, INTERMEDIATE ACCESSORY, AND CONTROL METHODS THEREFOR

Canon Kabushiki Kaisha, ...

1. An imaging apparatus to which an interchangeable lens and an intermediate accessory, which is attachable between the interchangeable lens and the imaging apparatus, are attachable, the imaging apparatus comprising:at least one processor and at least one memory coupled to each other and to perform operations including:
controlling, as a first communication control, a first communication via a first communication path where it is possible to mutually communicate with the interchangeable lens,
controlling, as a second communication control, a second communication via a second communication path where it is possible to mutually communicate with the intermediate accessory,
obtaining information from the interchangeable lens and the intermediate accessory,
storing the obtained information, and
determining, as an optical correction hardware, a device from among the imaging apparatus, the interchangeable lens, and the intermediate accessory which performs a correction of optical information of the interchangeable lens,
wherein the first communication control is configured to transmit first instruction information to the interchangeable lens via the first communication path and, as a response, obtain first information including identification information of the interchangeable lens from the interchangeable lens,
wherein the second communication control is configured to transmit second instruction information to the intermediate accessory via the second communication path ands a response, obtain second information including identification information of the intermediate accessory and information indicating whether or not the correction of the optical information of the interchangeable lens is necessary, and
wherein determining includes determining the optical correction hardware, from among the imaging apparatus, the interchangeable lens, and the intermediate accessory which performs the correction of the optical information of the interchangeable lens based on the first information and the second information.

US Pat. No. 11,029,483

LENS APPARATUS AND IMAGE PICKUP APPARATUS

CANON KABUSHIKI KAISHA, ...

1. A lens apparatus comprising:a first lens unit arranged closest to an object side and configured not to move for zooming;
a zoom lens unit configured to move for zooming;
an aperture stop; and
an imaging lens unit arranged closest to an image side,
wherein the first lens unit includes a first focus lens unit configured to move for focusing,
wherein the imaging lens unit includes a second focus lens unit configured to move for correction of a focus deviation based on at least one of a position of the first focus lens unit, a position of the zoom lens unit, and an aperture size of the aperture stop, and to move for macro image pickup based on a command from an operating unit for the macro image pickup, and
wherein the lens apparatus comprises a controller configured to selectively perform:
a first control of causing the second focus lens unit to move for the correction with a movement amount of the second focus lens unit obtained by the controller based on the at least one of the position of the first focus lens unit, the position of the zoom lens unit, and the aperture size of the aperture stop; and
a second control of causing the second focus lens unit to move for the macro image pickup with the movement amount obtained by the controller not based on the at least one of the position of the first focus lens unit, the position of the zoom lens unit, and the aperture size of the aperture stop, but based on the command.

US Pat. No. 11,029,482

PRESSING RING AND LENS MODULE

AAC Optics Solutions Pte....

1. A pressing ring, comprising:an annular body forming a light through hole;
a first sheared edge formed on the annular body; and
a second sheared edge formed on the annular body,
the body comprises an inner side wall around an optical axis and forming the light through hole, an object-side wall extending from an edge of the inner side wall close to an object side in a direction facing away from the optical axis, an image-side wall opposite to the object-side wall and extending from an edge of the inner side wall close to an image side in a direction facing away from the optical axis, and an outer side wall extending from an edge of the object-side wall facing away from the inner side wall to the image-side wall; the object-side wall comprises an abutting surface surrounding the inner side wall and connected to the inner side wall, and a glue-dispensing groove surrounding the abutting surface and connected to the abutting surface; and each of the first sheared edge and the second sheared edge is located in the glue-dispensing groove.

US Pat. No. 11,029,481

LENS MODULE

AAC Optics Solutions Pte....

1. A lens module, comprising: a lens barrel; and a lens group received in the lens barrel, wherein the lens barrel comprises a first barrel wall extending in a horizontal direction and a second barrel wall extending from the first barrel wall while being bent, the first barrel wall comprising a first surface close to an object side and a second surface close to an image side, the lens group comprises a first lens and a second lens that match each other from the object side to the image side, the first lens being a glass lens, the second lens being a plastic lens, and the first lens and the second lens each comprising an optical portion and a peripheral portion surrounding the optical portion, wherein the second surface of the first barrel wall comprises: a first planar surface horizontally extending from a joint between the first barrel wall and the second barrel wall towards an optical axis; a first oblique surface obliquely extending from the first planar surface towards the optical axis and towards the object side; and a second planar surface horizontally extending from the first oblique surface towards the optical axis, wherein an object side surface of the peripheral portion of the first lens comprises: a third planar surface horizontally extending from an outer edge of the first lens towards the optical axis; a second oblique surface obliquely extending from the third planar surface towards the optical axis and towards the object side; and a fourth planar surface horizontally extending from the second oblique surface towards the optical axis, the first oblique surface being attached to the second oblique surface, and the second planar surface being attached to the fourth planar surface, wherein an image side surface of the peripheral portion of the first lens comprises: a fifth planar surface horizontally extending from the outer edge of the first lens towards the optical axis; a third oblique surface obliquely extending from the fifth planar surface towards the optical axis and towards the object side; and a sixth planar surface horizontally extending from the third oblique surface towards the optical axis, wherein an object side surface of the second lens comprises: a seventh planar surface attached to the fifth planar surface; a fourth oblique surface obliquely extending from the seventh planar surface towards the optical axis and towards the object side; and an eighth planar surface horizontally extending from the fourth oblique surface towards the optical axis, the fourth oblique surface being spaced apart from the third oblique surface.

US Pat. No. 11,029,480

LENS GUIDE DEVICE, LENS MOVING DEVICE, AND IMAGING APPARATUS

FUJIFILM Corporation, To...

1. A lens guide device comprising:a lens frame that holds a lens;
a first guide unit that movably supports the lens frame in a first direction parallel to an optical axis of the lens; and
a second guide unit that movably supports the lens frame in the first direction parallel to the optical axis of the lens at a position spaced from the first guide unit,
wherein the first guide unit and the second guide unit include
a first guide member that is provided on the lens frame in the first direction parallel to the optical axis of the lens,
a first rolling body that is moved while being in contact with the first guide member,
a second guide member that is parallel to the first guide member and is provided on the lens frame on a side opposite to the first rolling body so as to be close to the first guide member,
a second rolling body that is moved while being in contact with the second guide member,
a third guide member that supports the second rolling body so as to allow the second rolling body to be movable in the first direction and is parallel to the second guide member,
a fourth guide member that supports the first rolling body so as to allow the first rolling body to be movable in the first direction and is parallel to the first guide member, and
a biasing mechanism that biases one of the first and second rolling bodies toward the other of the first and second rolling bodies.

US Pat. No. 11,029,479

LENS BARREL AND OPTICAL APPARATUS

CANON KABUSHIKI KAISHA, ...

1. A lens barrel comprising:a first guide barrel configured to guide a linear movement of a first lens system in an optical axis direction;
a first cam barrel rotatable around an optical axis relative to the first guide barrel and including a first cam configured to move the first lens system in the optical axis direction by a rotation of the first cam barrel;
a linear movement barrel configured to hold a second lens system;
a second guide barrel whose linear movement in the optical axis direction is guided by the first guide barrel, the second guide barrel being configured to guide a linear movement of the linear movement barrel in the optical axis direction; and
a second cam barrel movable in the optical axis direction as the second guide barrel moves in the optical axis direction, and rotatable around the optical axis relative to the second guide barrel, and the second cam barrel including a second cam configured to move the linear movement barrel in the optical axis direction by a rotation of the second cam barrel,
wherein the linear movement barrel is disposed between the second guide barrel disposed on an outer circumference of the linear movement barrel and the second cam barrel disposed on an inner circumference of the linear movement barrel,
wherein an outer circumferential surface of the second guide barrel is an outermost surface of the lens barrel when the second guide barrel extends in the optical axis direction relative to the first guide barrel,
wherein the second guide barrel includes a groove portion configured to guide the first guide barrel in the optical axis direction, and
wherein the groove portion is formed as a groove portion that opens radially inwardly and does not perforate the second guide barrel in a radial direction.

US Pat. No. 11,029,478

POLYETHYLENE RESIN FOR USE IN SPACER FOR OPTICAL FIBER CABLE AND SPACER FOR OPTICAL FIBER CABLE USING THE SAME

SUMITOMO ELECTRIC INDUSTR...

1. A spacer for an optical fiber cable, comprising:a polyethylene resin having a density of 0.952 g/cm3 or more, the polyethylene resin comprising:
a polyethylene having a molecular weight of 10,000 or less in a weight fraction of 22% or more, and
a polyethylene having a molecular weight of 300,000 or more in a weight fraction of 12% or more,
having a tensile strength of 25 MPa or more, and
having an average surface roughness of 1.2 ?m or less.

US Pat. No. 11,029,477

OPTICAL FIBER CABLE

SUMITOMO ELECTRIC INDUSTR...

1. A slotless type optical fiber cable, comprising:an optical unit formed by collecting and twisting a plurality of ribbon in which a plurality of optical fibers are arranged;
a cable core that accommodates the optical unit;
a cable jacket provided around the cable core; and
a tension member made of a fiber body in the cable core,
wherein the optical unit is formed of the ribbon, and
the ribbon is an intermittent ribbon in which a connection part and a non-connection part are intermittently formed in the longitudinal direction between the optical fibers adjacent to each other.

US Pat. No. 11,029,476

INJECTION LOCKED MULTI-WAVELENGTH OPTICAL SOURCE

Hewlett Packard Enterpris...

1. An optical system comprising:an optical transmitter configured to transmit optical signals, the optical transmitter comprising:
a first optical source configured to emit light having different wavelengths;
a waveguide;
an optical coupler configured to couple the emitted light from the first optical source to the waveguide; and
an array of two or more second optical sources coupled to the waveguide, each of the two or more second optical sources configured to be injection locked to a different respective wavelength of the emitted light from the first optical source, the emitted light transmitted via the waveguide coupling the first optical source to the array of two or more second optical sources; and
an optical receiver configured to receive the optical signals from the optical transmitter via an optical link after different respective wavelengths of the emitted light are injected into the respective two or more second optical sources, the optical receiver comprising:
a second waveguide;
an array of ring resonators coupled to the second waveguide and configured to be tuned to different resonant wavelengths respectively corresponding to different wavelengths of the emitted light from the first optical source; and
an array of photodetectors, each photodetector coupled to a respective ring resonator of the array of ring resonators.

US Pat. No. 11,029,475

FRAME LID FOR IN-PACKAGE OPTICS

Cisco Technology, Inc., ...

1. A platform, comprising:a substrate;
a first Integrated Circuit (IC) mounted to the substrate at a first height relative to the substrate;
a second IC mounted to the substrate at a second height, less than the first height, relative to the substrate;
a first frame lid mounted to the substrate and defining a cavity with the substrate that encapsulates the first IC and the second IC, the first frame lid comprising:
a first roof disposed in a first plane parallel to the substrate, the first roof defining a port providing access to the second IC through the first roof;
a foot disposed in a second plane parallel to the first plane and connected to the substrate; and
a wall, connecting the first roof to the foot; and
a second frame lid mounted to the first roof via a thermal isolator and extending through the port to a third plane, parallel to the second plane to be in thermal contact with the second IC at the second height.

US Pat. No. 11,029,474

FIBER ACCESS TERMINAL

HUAWEI TECHNOLOGIES CO., ...

1. A fiber access terminal, wherein the fiber access terminal comprises a first assembly and a second assembly, wherein the first assembly comprises a first box body and an optical fiber adapter, and the second assembly comprises a second box body, an optical splitter, an optical fiber connector, and a plurality of optical fiber adapters, whereinthe optical fiber adapter of the first assembly is disposed outside the first box body, the first box body being provided with an optical cable inlet and an optical cable outlet;
the optical splitter is disposed inside the second box body, the optical fiber connector and the plurality of optical fiber adapters of the second assembly being disposed outside the second box body; and
a first end of the optical fiber connector is detachably connected to the optical fiber adapter of the first assembly, a second end of the optical fiber connector is connected to an input port of the optical splitter, and each output port of the optical splitter is connected to one optical fiber adapter of the second assembly;
the optical fiber adapter extends in a first direction;
the optical fiber connector extends in the first direction;
the first box body comprises a guide groove and a first bevel portion;
the second box body comprises a protrusion configured to engage the guide groove and a second bevel portion;
the first bevel portion and the second bevel portion overlap in a second direction perpendicular to the first direction when the protrusion is engaged with the guide groove; and
the first bevel portion extends across an entire width of the first box body in a third direction perpendicular to the first direction.

US Pat. No. 11,029,473

FIBER OPTIC CONNECTOR

Tyco Electronics (Shangha...

1. A fiber optic connector, comprising:a housing;
a ferrule received in the housing; and
an arc-shaped tail tube secured to a rear end of the housing and having:
(a) a ring end portion connected to the rear end of the housing,
(b) a main body extending from the ring end portion away from the housing,
(c) a U-shaped groove between walls of the main body and extending along an arc path thereof, an opening of the U-shaped groove extending continuously along the arc path from the ring end portion to a distal end of the main body, and
(d) a cable receiving passageway positioned at a proximal end of the main body and adjacent to the ring end portion and having an opening in the main body larger than the opening of the U-shaped groove, the opening of the cable receiving passageway extending through the walls of the main body and centered at a position radially offset from a center of the opening of the U-shaped groove with respect to a central axis of the arc-shaped tail tube.

US Pat. No. 11,029,472

OPTICAL FERRULE AND CONNECTOR

3M Innovative Properties ...

1. An optical ferrule, comprising:an upper wall;
a bottom wall on the opposite side of the upper wall;
a pair of side walls that face each other and connect the upper wall and the bottom wall, such that a guide opening is formed on an inside thereof together with the upper wall and the bottom wall;
a guide part that extends forward from the upper wall and the guide opening; and
an optical coupler provided on an upper surface of the upper wall so that the upper wall is disposed between the optical coupler and the guide opening;
the optical coupler having a waveguide aligning part and a light direction converter, the waveguide aligning part aligns and holds an optical waveguide, and the light direction converter comprising:
an entrance surface that receives incoming light from the optical waveguide that is aligned and arranged by the waveguide aligning part;
a light direction converting surface that receives light from the entrance surface propagated along an incoming axis, and reflects the received light, wherein the reflected light is propagated by the light direction converting surface along a direction converted axis that is different from the incoming axis; and
an exit surface that receives light from the light direction converting surface and propagates the received light along an outgoing axis, and transmits the light as outgoing light emitted from the optical ferrule;
the optical ferrule having an integrated structure.

US Pat. No. 11,029,471

OPTICAL CONNECTOR AND CONTACTING ELEMENT FOR AN OPTICAL CONNECTOR

INTERLEMO HOLDING S.A., ...

1. A contacting element for a connector for optical fibers, comprising a front part, within which a ferrule is lodged and fixed, a rear part within which a spring is lodged, and an alignment tube, the rear part being formed to allow the through-passage of an optical fiber, the front part being movably fixed to the rear part, the front part adapted to be inserted at least partially within the rear part so that the spring pushes the front part and the rear part in opposite directions, the front part being provided with a locking portion formed so as to allow coupling in a fixed but separable position with an end of the alignment tube, wherein said locking portion comprises a groove or protuberance extending around the circumference of said front part, interrupted by at least one longitudinal slot.

US Pat. No. 11,029,470

FIBER OPTIC ADAPTER WITH DUST SHUTTER ASSEMBLY FOR RECEIVING A FIBER OPTIC CONNECTOR

Senko Advanced Components...

1. A fiber optic adapter protecting against debris ingress, comprising:an adapter housing having a longitudinal axis and defining an adapter port into which a fiber optic connector can be inserted in a forward direction along the longitudinal axis into the fiber optic adapter;
a dust shutter plate;
a flexible bridge member, the dust shutter plate connected to the flexible bridge member, wherein the flexible bridge is deformable to move the dust shutter plate between a closed position and an open position;
a bias spring separate from the flexible bridge member yieldable biasing the dust shutter plate toward the closed position;
a dust shutter housing actuator integrally connected to the flexible bridge member and connected to the bias spring; and
an alignment sleeve having an open end for receiving a ferrule of the optical fiber connector when the fiber optic connector is inserted into the port of the adapter housing;
wherein a front housing of the fiber optic connector actuates the dust shutter plate from the closed position covering the open end of the alignment sleeve to the open position exposing the open end of the alignment sleeve when a ferrule is fully inserted into the alignment sleeve via the opening.

US Pat. No. 11,029,469

END FACE PROTECTION TAPE FOR FIBER OPTIC CONNECTOR; AND METHODS

CommScope Technologies LL...

1. An apparatus for applying protective sheeting on an end face of a ferrule connector, the apparatus comprising:a housing;
a microscope for inspecting the end face of the ferrule connector, a portion of the microscope being positioned within the a housing of the apparatus, the housing defining an adapter port for receiving the ferrule connector, wherein when the ferrule connector is mounted into the adapter port, the end face of the ferrule connector projects within the housing for inspection by the microscope, the housing limiting access of loose particles of dust and debris therein; and
an integrated tape application station including a mechanism for dispensing tape within the housing of the apparatus, the integrated tape application station applying a tape member to the end face of the ferrule connector while the ferrule connector is positioned within the adapter port of the housing.

US Pat. No. 11,029,468

OPTICAL CONNECTOR

3M Innovative Properties ...

1. An optical connector configured to mate with a mating optical connector, comprising:a housing;
a moving member disposed in, and configured to move relative to, the housing;
a light coupling unit disposed in the housing and configured to mate with a mating light coupling unit of the mating optical connector, the light coupling unit comprising an attachment area, and a light redirecting surface; and
an optical waveguide permanently attached to the attachment area, the light redirecting surface configured to receive light from the optical waveguide along a first direction and redirect the received light along a different second direction, such that when the optical connector mates with the mating optical connector, the mating optical connector causes the moving member to move within the housing and press against the optical waveguide causing the light coupling unit and the mating light coupling unit to move.

US Pat. No. 11,029,467

FIBER COUPLER

Lumentum Operations LLC, ...

1. A method, comprising:providing a first optical fiber and a second optical fiber such that an end of the first optical fiber is at a fixed position with respect to an end of the second optical fiber;
performing an active alignment to enable optical coupling between the first optical fiber and the second optical fiber via a curved endcap structure with a fixed refractive index,
wherein a center of curvature of the curved endcap structure is located on a first surface of the curved endcap structure, and
wherein, as a result of the active alignment:
an end of the first optical fiber is at a first location on the first surface of the curved endcap structure,
wherein the first location is at a first transverse offset distance from an axis of the curved endcap structure, and
an end of the second optical fiber is at a second location of the first surface of the curved endcap structure,
wherein the second location is at a second transverse offset distance from the axis of the curved endcap structure; and
concurrently fusion splicing the end of the first optical fiber at the first location on the first surface and the end of the second optical fiber at the second location on the first surface,
wherein at least one of:
the curved endcap structure is formed from undoped fused silica, or
the first optical fiber is a pump input fiber and the second optical fiber is an amplifier fiber.

US Pat. No. 11,029,466

PHOTONICS STRUCTURE WITH INTEGRATED LASER

The Research Foundation f...

1. A photonics structure comprising:a substrate;
a dielectric stack disposed on the substrate;
one or more photonics device integrated in the dielectric stack; and
a laser light source having a laser stack including a plurality of structures arranged in a stack, wherein structures of the plurality of structures are integrated in the dielectric stack, wherein the laser stack includes an active region configured to emit light in response to the application of electrical energy to the laser stack, wherein the laser light source includes a buffer material formation having a bottom elevation below a top elevation of the substrate.

US Pat. No. 11,029,465

MICRO-RING MODULATOR

GLOBALFOUNDRIES U.S. INC....

1. A device, comprising:a micro-ring modulator that comprises an inner ring, an outer ring and a doped waveguide ring positioned between the inner ring and the outer ring; and
an upper bus waveguide that is positioned vertically above at least a portion of the doped waveguide ring and at least a portion of the outer ring,
a lower waveguide, said lower waveguide comprising a first segment and a second segment that are spaced apart from one another, wherein the upper bus waveguide is also positioned vertically above at least a portion of the first segment and above at least a portion of the second segment,
wherein the device further comprises a first heater structure positioned within the inner ring and a second heater structure positioned around an entire outer circumference of the outer ring.

US Pat. No. 11,029,464

HOLLOW-CORE PHOTONIC CRYSTAL FIBER AND METHOD OF MANUFACTURING THEREOF

1. A hollow-core photonic crystal fiber (HC-PCF), being configured for guiding at least one mode of a light field along a mode guiding section of the HC-PCF, comprising:an outer jacket, an inner cladding, and a hollow core, that extend along the HC-PCF, wherein:
the inner cladding is arranged on an interior surface of the outer jacket and comprises anti-resonant structures surrounding the hollow core, and
the hollow core has a mode guiding core diameter (d) provided along the mode guiding section of the HC-PCF,
wherein at least one fiber end of the HC-PCF has a light field coupling section in which the hollow core is tapered over an axial coupling section length from a fiber end core diameter (D) at the at least one fiber end to the mode guiding core diameter (d),
wherein the outer jacket has a constant thickness, and
wherein the inner cladding thickness decreases towards an opening of the at least one fiber end.

US Pat. No. 11,029,463

EDGE LIT LUMINAIRE

Hubbell Incorporated, Sh...

1. An edge-lit luminaire comprising:a housing having a central opening defining an opening area;
a lens including a plurality of extraction features substantially evenly distributed over a lens area, the lens positioned proximate the central opening, the lens area larger than the opening area;
a light emitter positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening;
a first reflector positioned proximate a first surface of the lens distal the central opening, the first reflector substantially covering the first surface of the lens; and
a second reflector positioned proximate a second surface of the lens opposite the first surface, the second reflector configured to direct light emitted in the direction of the central opening but outside of the central opening back into the lens.

US Pat. No. 11,029,462

BACKLIGHT MODULE HAVING AN OPTICAL FILM AND DISPLAY APPARATUS HAVING THE SAME

Coretronic Corporation, ...

1. A backlight module, comprising:a light guide plate, having a light incident surface and a light emitting surface connected to each other;
a light source, disposed on a side of the light incident surface of the light guide plate;
an optical film, overlapped with the light emitting surface of the light guide plate, and having a plurality of optical microstructures facing the light emitting surface, wherein an angle between an extending direction of the optical microstructures and the light incident surface of the light guide plate is 90 degrees or between 45 degrees and 90 degrees;
a diffusion sheet, disposed between the light guide plate and the optical film; and
a first prism sheet and a second prism sheet, overlapped with the optical film, the first prism sheet and the second prism sheet being positioned on a side far away from the light guide plate of the optical film, wherein an extending direction of a plurality of prism structures of the first prism sheet is not parallel to an extending direction of a plurality of prism structures of the second prism sheet.

US Pat. No. 11,029,461

LIGHTING DISPLAY ASSEMBLY FOR A GAMING MACHINE

ARISTOCRAT TECHNOLOGIES A...

1. A lighting display assembly comprising:a light guide plate comprising a front surface, a rear surface, and an opening that extends through the light guide plate from the front surface to the rear surface and defines an inner sidewall of the light guide plate; and
a light source facing the inner sidewall, the light source configured to emit visible light that passes through the inner sidewall and into the light guide plate and illuminates a pattern in the light guide plate so that the pattern is visible through the front surface of the light guide plate.

US Pat. No. 11,029,460

WAVEGUIDE AND METHOD OF IDENTIFYING A WAVEGUIDE THAT IS TOO SEVERELY CURVED

LEONI KABEL GmbH, Nuremb...

1. A waveguide, comprising:a core,
a cladding, and
a coating, wherein the coating is immediately adjacent to the core,
wherein the waveguide is of flexible configuration so that the waveguide can be laid in an adaptable manner,
wherein the coating comprises a light-frequency-converting substance and the light-frequency-converting substance converts UV or IR light into visible light, so that in the event of UV light or IR light being coupled into the waveguide and an overbent waveguide at a bend point, visible light escapes from the waveguide at the bend point, and
wherein the coating is disposed between the core and the cladding.

US Pat. No. 11,029,459

PHASE GRATINGS WITH ODD SYMMETRY FOR HIGH-RESOLUTION LENSLESS OPTICAL SENSING

Rambus Inc., San Jose, C...

1. A transmissive phase grating comprising:a plurality of boundaries extending radially over an area, each boundary defined by adjacent and transparent first and second features symmetrically disposed on either side of that boundary;
a first filter covering a first portion of the area; and
a second filter covering a second portion of the area.

US Pat. No. 11,029,458

POLARIZING PLATE AND OPTICAL APPARATUS INCLUDING THE SAME

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, extends in a predetermined direction, and includes a reflection layer formed of a light reflective material,
wherein the grid-shaped convex portion includes the reflection layer and an absorption layer including a light absorption material in order from the transparent substrate,
wherein a surface of the grid-shaped convex portion and a surface of a bottom surface portion of a groove formed between the grid-shaped convex portions are provided with a protection film which covers the surfaces thereof,
wherein the protection film is formed by three kinds or more of protection films including an organic film formed of an organic material,
wherein the protection film includes a first protection film which is formed by a single layer to directly cover a surface of the reflection layer, a second protection film which is formed by a single layer to directly cover the surface of the bottom surface portion of the groove, and a third protection film which is formed by a single layer to cover a surface of the absorption layer, and is formed by the organic film,
wherein the first protection film is formed by a phosphonic acid-based water-repellent film,
wherein the second protection film is formed by perfluorodecyltriethoxysilane, and
wherein the absorption layer further includes a dielectric material and is formed by a mixed layer of the light absorption material and the dielectric material, so that a content ratio of the light absorption material increases as a distance from the reflection layer increases.

US Pat. No. 11,029,457

OPTICAL FILTER

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

1. An optical filter comprising a transparent resin body comprising a transparent resin and having a single layer or multilayer structure, wherein the transparent resin body contains a near ultraviolet absorbing dye (U) which has an absorption maximum at a wavelength of from 370 to 425 nm and a near infrared absorbing dye (A) which has an absorption maximum at a wavelength of from 600 to 800 nm, the optical filter has a wavelength ?(U50) at which the transmittance is 50% in a wavelength band of from 400 to 440 nm, and the optical filter satisfies the following requirements (1), (2) and (4) to (8):(1) there are a wavelength ?(UV15) at which the transmittance is 15% and a wavelength ?(UV70) at which the transmittance is 70% in a wavelength band of from 380 to 450 nm, and ?(UV70)-?(UV15)30 nm,
(2) there are a wavelength ?(IR15) at which the transmittance is 15% and a wavelength ?(IR70) at which the transmittance is 70% in a wavelength band of from 600 to 720 nm, and ?(IR15)??(IR70)60 nm, and
(4) in a spectral transmittance curve at an angle of incidence of 0°, the average transmittance in a wavelength band of from 430 to 620 nm is at least 80%,
(5) in a spectral transmittance curve at an angle of incidence of 0°, the average transmittance in a wavelength band of from 350 to 395 nm is at most 3%,
(6) in a spectral transmittance curve at an angle of incidence of 0°, the average transmittance in a wavelength band of from 710 to 1,100 nm is at most 2%,
(7) in spectral transmittance curves at an angle of incidence of 0° and at an angle of incidence of 30°, the average of absolute values of differences between the transmittance at an angle of incidence of 0° and the transmittance at an angle of incidence of 30° in a wavelength band of from 385 nm to 430 nm is at most 8 [%/nm], and
(8) in spectral transmittance curves at an angle of incidence of 0° and at an angle of incidence of 30°, the average of absolute values of differences between the transmittance at an angle of incidence of 0° and the transmittance at an angle of incidence of 30° in a wavelength band of from 600 nm to 700 nm is at most 8 [%/nm].

US Pat. No. 11,029,456

RETROREFLECTOR HAVING A CURVED SURFACE

IMOS Gubela GmbH, Renche...

1. A retroreflector comprising:(a) a curved or domed surface; and
(b) an arrangement of triples disposed on the curved or domed surface, each triple having first, second, and third side surfaces perpendicular to each other;
wherein the curved or domed surface has a curvature or dome evened out so that the first, second, and third side surfaces of each triple have at least one extension extending along a side surface of an adjacent triple and forming a joint with the side surface of the adjacent triple; and
wherein the adjacent triple has a reduced size and a rectangular basic shape.

US Pat. No. 11,029,455

BROADBAND VISIBLE REFLECTOR

3M Innovative Properties ...

1. A broadband visible reflector, comprising:a plurality of optical repeat units, each optical repeat unit including a first birefringent polymer layer and a second polymer layer;
wherein the optical repeat units each have an optical thickness;
wherein the optical thickness of any optical repeat unit in the broadband visible reflector is not less than 220 nm; and
wherein the broadband visible reflector provides at least 95% photopically-weighted average Rhemi(?) over the visible spectrum, determined using the CIE 1931 photopic response function.

US Pat. No. 11,029,454

DIFFUSION SHEET HAVING SELF-LUBRICATING PARTICLES AND DIFFUSION PARTICLES, METHOD FOR FABRICATING THE SAME, BACKLIGHT MODULE, AND DISPLAY DEVICE

BOE Technology Group Co.,...

1. A diffusion sheet comprising:a substrate; and
a diffusion layer arranged on a side of the substrate, wherein the diffusion layer comprises a first base layer, and a plurality of diffusion particles distributed in the first base layer and a plurality of self-lubricating particles distributed in the first base layer, the plurality of diffusion particles being different in composition from the plurality of self-lubricating particles;
wherein:
a largest particle size among the plurality of self-lubricating particles is equal to a largest particle size among the plurality of diffusion particles, and a smallest particle size among the plurality of self-lubricating particles is equal to a smallest particle size among the plurality of diffusion particles;
the diffusion sheet further comprises a protective coating arranged on a side of the substrate facing away from the diffusion layer, and the protective coating comprises a second base layer, and a plurality of third diffusion particles distributed in the second base layer; and
a size of the first base layer in a direction perpendicular to a surface of the substrate is one-half to three-fourths of a particle size of a diffusion particle with a largest particle size among the plurality of diffusion particles.

US Pat. No. 11,029,453

OPTICAL SYSTEM

TDK Taiwan Corp., Taoyua...

1. An optical system, comprising:a fixed portion;
a movable portion movably connected to the fixed portion and used for holding an optical element;
an aperture unit disposed on the movable portion and corresponding to the optical element; and
a first driving assembly disposed in the fixed portion and used for driving the movable portion to move relative to the fixed portion;
wherein the movable portion comprises:
a frame movably connected to the fixed portion; and
a holder movably connected to the frame and used for holding the optical element, wherein the optical system further comprises a second driving assembly disposed in the fixed portion and used for driving the holder to move relative to the frame, wherein the first driving assembly is used for driving the frame to move relative to the fixed portion, and the aperture unit is affixed to the holder.

US Pat. No. 11,029,452

VEHICLE AND 3D OBJECT INFORMATION CAPTURING SYSTEM AND METHOD THEREOF

TDK TAIWAN CORP., Taoyua...

1. A 3D object information capturing method, comprising:providing a camera module and capturing a 2D image of an object using the camera module;
analyzing the 2D image and generating first outline information of the object according to the 2D image;
providing a distance-measuring module and capturing 2D distance matrix information of the object's surface using the distance-measuring module;
analyzing the 2D distance matrix information and generating second outline information of the object according to the 2D distance matrix information;
establishing a 3D model of the object according to the first outline information and the second outline information;
providing an infrared sensing module and sensing the object with the infrared sensing module to obtain an infrared image of the object;
analyzing the infrared image and generating third outline information according to the infrared image; and
establishing the 3D model of the object according to the first outline information, the second outline information, and the third outline information.

US Pat. No. 11,029,451

COVER WINDOW AND DISPLAY DEVICE HAVING THE SAME

Samsung Display Co., Ltd....

1. A cover of a display device, the cover comprising:a base member including a first area and a second area; and
an inorganic layer located on the base member, the inorganic layer having a substantially uniform thickness on the first area and having a diffraction grating structure on the second area,
wherein the diffraction grating structure comprises a plurality of grooves arranged in parallel in a first direction.

US Pat. No. 11,029,450

SUBSTRATE WITH ANTIREFLECTION COATING AND METHOD FOR PRODUCING SAME

SCHOTT AG, Mainz (DE)

1. A coated sapphire glass substrate, comprising:a substrate with a first side and a second side;
an aluminum-containing silicon dioxide layer on at least one of the first and/or second sides of the substrate; and
a multilayer anti-reflection coating on the aluminum-containing silicon oxide layer, wherein the multilayer antireflection coating comprises at least four successive layers and is composed of layers with different refractive indices, wherein layers having a higher refractive index alternate with layers having a lower refractive index, wherein the layers having a lower refractive index are formed of silicon oxide with a proportion of aluminum, and wherein the layers having a higher refractive index are silicon nitride-containing layers,
wherein the multilayer anti-reflection coating reduces reflectance of the substrate by more than 3% throughout an entirety of a wavelength range from 400 nm to at least 700 nm.

US Pat. No. 11,029,449

ANTIREFLECTION FILM, OPTICAL ELEMENT, OPTICAL SYSTEM, METHOD OF PRODUCING ANTIREFLECTION FILM

FUJIFILM Corporation, To...

1. An antireflection film that is provided on a substrate and is formed by laminating an interlayer, a silver-containing metal layer containing silver, and a dielectric layer in this order from the substrate, comprising:an anchor region including an oxide of an anchor metal provided between the silver-containing metal layer and the interlayer; and
a cap region including an oxide of the anchor metal provided between the silver-containing metal layer and the dielectric layer,
wherein a crystal grain size obtained by X-ray diffraction measurement in the silver-containing metal layer is less than 6.8 nm, and
the anchor metal is Ge.

US Pat. No. 11,029,448

THIN FILMS AND A METHOD FOR MAKING THE SAME

Oregon State University, ...

1. A substrate with a porous aluminum oxide film disposed thereon, comprising:the substrate; and
the porous aluminum oxide film, comprising a surface having a root mean square roughness value of from greater than zero to 1 nm and an index of refraction of from 1 to less than 1.5 at 550 nm.

US Pat. No. 11,029,447

METHOD FOR PRODUCING MPS-COMPATIBLE WATER GRADIENT CONTACT LENSES

Alcon Inc., Fribourg (CH...

1. A process for producing a contact lens, comprising the steps of:(a) obtaining a contact lens precursor which is a coated contact lens which comprises a lens bulk material completely covered with an anchor layer of a polyanionic polymer which comprises at least 60% by mole of repeating units of at least one carboxyl-containing vinylic monomer; and
(b) heating, in the presence of at least one first polyaziridine which has a number average molecular weight of about 2000 Dalton or less and at least two aziridine groups, the contact lens precursor in a first aqueous solution which comprises a thermally-crosslinkable hydrophilic polymeric material which has thermally-crosslinkable groups, to and at a temperature from about 30° C. to about 140° C. for a period of time sufficient to obtain the contact lens,
wherein the contact lens comprise (i) a crosslink anchor layer thereon and (2) an outer surface hydrogel layer which is covalently attached to the crosslinked anchor layer, wherein the crosslinked anchor layer is obtained crosslinking the polyanionic polymer in the anchor layer via crosslinkers derived from said at least one polyaziridine in coupling reaction between at least two pair of aziridine and carboxyl groups, wherein the outer surface hydrogel layer is formed by crosslinking the thermally-crosslinked hydrophilic polymeric material, wherein the contact lens has a polyquaternium-1 uptake (“PUpz”) of about 0.6 ?g/lens or less.

US Pat. No. 11,029,446

METHOD FOR PRODUCING MPS-COMPATIBLE WATER GRADIENT CONTACT LENSES

Alcon Inc., Fribourg (CH...

1. A process for producing contact lenses, comprising the steps of:(a) obtaining a contact lens precursor which is a coated contact lens and has a first polyquaternium-1 uptake (“PUo”), wherein the coated contact lens comprises a lens bulk material completely covered with an anchor layer of a polyanionic polymer and an outer surface hydrogel layer covalently attached to the anchor layer, wherein the polyanionic polymer comprises at least 60% by mole of repeating units of at least one carboxyl-containing vinylic monomer; and
(b) heating the contact lens precursor in an aqueous solution in the presence of at least one polyaziridine to and at a temperature from about 30° C. to about 140° C. for a period of time sufficient to obtain the contact lens having a second polyquaternium-1 uptake (“PUpz”), wherein the polyaziridine having a number average molecular weight of about 2000 Dalton or less and at least two aziridine groups each of which is a mono-valent radical of formula
in which R1 is hydrogen, methyl or ethyl, wherein (PUo-PUpz)/PUo is at least 60%.

US Pat. No. 11,029,445

METHOD AND APPARATUS FOR DETERMINING OIL OUTPUT QUANTITY AND GAS OUTPUT QUANTITY OF SHALE OIL IN-SITU CONVERSION

PetroChina Company Limite...

1. A method for determining an oil output quantity of a shale oil in-situ conversion, comprising:obtaining a plurality of groups of shale samples of a target stratum of a target area, wherein the shale samples are immature shale samples;
measuring the plurality of groups of shale samples to obtain an initial TOC parameter, an initial Ro parameter, and an initial HC parameter of each group of shale samples in the plurality of groups of shale samples;
determining, according to the plurality of groups of shale samples, a first retained oil quantity, a Ro parameter, an oil output quantity and a second retained oil quantity of each group of shale samples in the plurality of groups of shale samples under each preset temperature;
building an oil output quantity model according to the first retained oil quantity, the Ro parameter, the oil output quantity and the second retained oil quantity of each group of shale samples in the plurality of groups of shale samples under each preset temperature;
determining an oil output quantity of the target stratum of the target area according to the oil output quantity model.

US Pat. No. 11,029,444

PIPE TRACKING SYSTEM FOR DRILLING RIGS

Schlumberger Technology C...

1. A method for tracking an oilfield tubular, the method comprising:applying a non-ruggedized tag to the oilfield tubular, the non-ruggedized tag comprising a first tag identifier;
determining a physical parameter of the oilfield tubular;
storing data representing the physical parameter in association with the first tag identifier in a database;
reading the first tag identifier from the non-ruggedized tag applied to the oilfield tubular, prior to deploying the oilfield tubular into a wellbore;
deploying the oilfield tubular into the wellbore;
generating a pipe tally comprising order data representing an order in which a plurality of oilfield tubulars, including the oilfield tubular, are connected together and deployed into the wellbore using a drilling fig;
removing the oilfield tubular from the wellbore;
applying a second tag to the oilfield tubular, after removing the oilfield tubular from the wellbore;
reading a second tag identifier from the second tag; and
replacing the first tag identifier with the second tag identifier in the database using the order data of the pipe tally.

US Pat. No. 11,029,443

AIR CONDITIONING SYSTEM OBSTRUCTION DETECTION

International Business Ma...

1. A method for detecting and reporting a presence of an obstruction to an air conditioning system comprising the steps of:establishing, by a sensor device connected to the air conditioning system and a central processing unit (CPU) in response to a request to initialize a sensor of the sensor device, a baseline detection signal further establishing a detection zone;
identifying, by the sensor device, an alteration to the baseline detection signal within the detection zone; and
transmitting, by the sensor device, a reporting signal to the CPU, wherein the reporting signal switches a reporting state of an output device from unobstructed to obstructed.