Glare Or Unwanted Light Reduction Patents (Class 359/601)
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Patent number: 12204075Abstract: An imaging lens system includes a lens barrel element and an imaging lens assembly disposed on the lens barrel element and including a first imaging lens element, a spacer element and a second imaging lens element. The spacer element has a second object-side contact surface corresponding to a first image-side contact surface of the first imaging lens element. The second imaging lens element has a third object-side contact surface corresponding to a second image-side contact surface of the spacer element. The lens barrel element and the spacer element form a buffer structure closer to an optical axis than the first image-side contact surface and including a first gap and a second gap located closer to the optical axis than the first gap. The first gap overlaps the third object-side contact surface in a direction parallel to the optical axis. A step difference is between the first and second gaps.Type: GrantFiled: November 2, 2021Date of Patent: January 21, 2025Assignee: LARGAN PRECISION CO., LTD.Inventors: Hsuan-Chin Huang, Lin An Chang, Ming-Ta Chou, Chun-Hua Tsai
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Patent number: 12206970Abstract: An imaging lens includes a light blocking sheet that includes an inner ring surface, a plurality of tapered light blocking structures, and a nanostructure layer. The inner ring surface surrounds an optical axis and defines a light passage opening. The tapered light blocking structures are disposed on the inner ring surface, and each tapered light blocking structure protrudes from the inner ring surface and tapers off towards the optical axis. The tapered light blocking structures are periodically arranged to surround the optical axis. The contour of each tapered light blocking structure has a curved part in a view along the optical axis. The curved part forms a curved surface on the inner ring surface. The nanostructure layer is disposed on the curved surface and has a plurality of ridge-like protrusions that extend non-directionally, and the average structure height of the nanostructure layer ranges from 98 nanometers to 350 nanometers.Type: GrantFiled: August 1, 2022Date of Patent: January 21, 2025Assignee: LARGAN PRECISION CO., LTD.Inventor: Wei-Che Tung
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Patent number: 12174665Abstract: In a foldable display device according to an embodiment, a groove with a zigzag pattern is formed on a surface of an optical element. The optical element is bonded using an adhesive layer having a low modulus to mitigate stress and impact due to folding in a folding area of the device. According to an embodiment, a foldable display device includes: a panel assembly divided into a folding area and a non-folding area; and an optical element on the panel assembly including grooves with a zigzag pattern patterned on an upper surface of the optical element.Type: GrantFiled: April 14, 2022Date of Patent: December 24, 2024Assignee: LG Display Co., Ltd.Inventors: Yeoo Youn, JeongBeom Park
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Patent number: 12153239Abstract: The present disclosure provides a polarizing plate comprising: a polarizer; an optical laminate formed on one side of the polarizer and containing a polymer substrate and an antiglare layer; and a thermoplastic resin layer formed on the other side of the polarizer and containing a (meth)acrylate resin, and a liquid crystal panel and a display device including the polarizing plate.Type: GrantFiled: January 10, 2020Date of Patent: November 26, 2024Assignee: LG CHEM, LTD.Inventors: Min Soo Kim, Jaehoon Shim, Jung Hyun Seo, Jae Pil Koo, Joo Jong Moon, Jaeyoung Kim
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Patent number: 12130408Abstract: Provided is an anti-glare film that can suppress glare in various display devices with different distances between the display elements and the anti-glare layer. The anti-glare film includes an anti-glare layer, wherein the anti-glare layer has a 500-?m square area, as measured for surface roughness, satisfying condition 1 and condition 2 below, where the maximum peak height is defined as P, a plane having a height obtained by adding P/6 to the average height is defined as the first reference plane, the number of projections exceeding the first reference plane is defined as N1, a plane having a height obtained by adding P/3 to the average height is defined as the second reference plane, and the number of projections exceeding the second reference plane is defined as N2: P is 0.20 ?m or more and 1.20 ?m or less; and??<condition 1> 0.20?N2/N1?0.45.??<condition 2>.Type: GrantFiled: May 26, 2020Date of Patent: October 29, 2024Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Masaharu Sato, Takayuki Fukuda, Gen Furui
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Patent number: 12122668Abstract: Methods for etching nanostructures in a substrate include depositing a patterned block copolymer on the substrate, the patterned block copolymer including first and second polymer block domains, applying a precursor to the patterned block copolymer to generate an infiltrated block copolymer, the precursor infiltrating into the first polymer block domain and generating a material in the first polymer block domain, applying a removal agent to the infiltrated block copolymer to generate a patterned material, the removal agent removing the first and second polymer block domains from the substrate, and etching the substrate, the patterned material on the substrate masking the substrate to pattern the etching. The etching may be performed under conditions to produce nanostructures in the substrate.Type: GrantFiled: July 6, 2022Date of Patent: October 22, 2024Assignee: Brookhaven Science Associates, LLCInventors: Charles T. Black, Atikur Rahman, Matthew Eisaman, Ahsan Ashraf
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Patent number: 12124003Abstract: Methods for forming optical articles with antireflective nanostructured (ARN) surfaces. An aluminum layer is deposited or otherwise applied to the cavity of an injection mold tool. Sequential chemical treatments such as anodization and etching steps form an ARN mold texture on the interior surface of the cavity. The ARN mold texture is a negative of a desired surface texture of the article. During injection molding, the desired ARN surface is thereby produced in the optical article.Type: GrantFiled: April 27, 2021Date of Patent: October 22, 2024Assignee: Glint Photonics, Inc.Inventors: Peter Kozodoy, John Lloyd
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Patent number: 12117591Abstract: An article including a substrate having at least one main surface coated with a layer A having a refractive index lower than or equal to 1.50, said layer A being obtained by deposition of activated species issued from at least one compound C in gaseous form, containing in its structure at least one Si-fluoroalkyl group, at least one carbon atom, at least one hydrogen atom and optionally at least one nitrogen atom and/or at least one oxygen atom, the deposition of said layer A being carried out by applying a bombardment with an ion beam to layer A while layer A is being formed, and said layer A being formed in the absence of inorganic precursor compounds. Application to the preparation of interferential coatings.Type: GrantFiled: February 4, 2020Date of Patent: October 15, 2024Assignees: Corporation de l'Ecole Polytechnique de Montreal, Essilor InternationalInventors: Oleg Zabeida, William Trottier-Lapointe, Ludvik Martinu
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Patent number: 12085842Abstract: Provided is an imaging device including a light reception section that includes a plurality of pixels each performing photoelectric conversion and a plurality of on-chip lenses that is provided on a light incident side of the light reception section at a pitch less than a length of a wavelength on a longest wavelength side of a wavelength region of light to be received by the light reception section. The imaging device further includes a transparent substrate that is provided on a light incident side of the on-chip lenses.Type: GrantFiled: January 9, 2020Date of Patent: September 10, 2024Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventor: Yoichi Ootsuka
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Patent number: 12085692Abstract: An antireflection film includes a plurality of convex structures formed on a light transmission surface included in an optical waveguide. A maximum radial length of a surface that is of each convex structure and that is close to the light transmission surface is less than a minimum value of a visible light wavelength. The maximum radial length of each convex structure gradually decreases in a direction away from the light transmission surface. A height of each convex structure is greater than or equal to 310 nm. A distance between geometric centers of surfaces that are of two adjacent convex structures and that are close to the light transmission surface is less than or equal to 220 nm.Type: GrantFiled: April 21, 2020Date of Patent: September 10, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Haishui Ye, Feng Yu, Jun Yuan
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Patent number: 12038557Abstract: An anti-reflection film (X) includes a laminated structure including a substrate (11), a hard coat layer (12), and an anti-reflection layer (13), and a luminous reflectance of the anti-reflection layer (13) side is 2% or less. A minimum value of a mandrel diameter indicating the bending resistance is in a range of 6 mm or less in a bending test according to a cylindrical mandrel method in which the test piece of the anti-reflection film (X) is bent with the anti-reflection layer (13) side inward. Additionally or alternatively, a minimum value of the mandrel diameter indicating the bending resistance is in a range of 10 mm or less in a bending test according to a cylindrical mandrel method in which the test piece of the anti-reflection film (X) is bent with the anti-reflection layer (13) side outward. Such an anti-reflection film is suitable for achieving high bending resistance together with high anti-reflective properties.Type: GrantFiled: January 21, 2019Date of Patent: July 16, 2024Assignee: DAICEL CORPORATIONInventors: Takahiro Sakakibara, Masashi Yokoyama
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Patent number: 12024605Abstract: The embodiments relate to a polyamide-based composite film with excellent curl characteristics, mechanical characteristics, and optical characteristics. The polyamide-based composite film comprises a base film comprising a polyamide-based polymer and a functional layer disposed on the base film, wherein when the polyamide-based composite film is placed on a surface light source such that the base film is in contact with the surface light source, light is irradiated from the surface light source, and the luminance value measured in the normal direction of the surface light source is 100%, the luminance value measured in the direction of 50° from the normal direction of the surface light source is 25% or more.Type: GrantFiled: April 20, 2021Date of Patent: July 2, 2024Assignees: SK MICROWORKS SOLUTIONS CO., LTD., SK MICROWORKS CO., LTD.Inventors: Sang Hun Choi, Dae Seong Oh, Han Jun Kim, Sun Hwan Kim, Jin Woo Lee, Heung Sik Kim, Jung Hee Ki, Yun Hee Seo
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Patent number: 12019252Abstract: In an optical element, diffractive focusing features and diffractive anti-reflection features can extend into a first surface of a body, such as by etching. The diffractive focusing features can have a same first depth that is greater than a wavelength, and can be located in a first area to have a duty cycle that varies over the first area. The diffractive anti-reflection features can have a same second depth that is less than the wavelength. In some examples, an effective refractive index of the diffractive focusing features and the diffractive anti-reflection features, together, can be less than or equal to a specified value, such as 120% of a square root of a refractive index of a material of the body. In other examples, the diffractive anti-reflection features can be located in the first area to have a duty cycle that is constant over the first area.Type: GrantFiled: November 24, 2020Date of Patent: June 25, 2024Assignees: Analog Devices, Inc., UD HOLDINGS, LLCInventors: David Kryskowski, Krishnan Ramaswamy Parameswaran
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Patent number: 11981269Abstract: Provided is a vehicle interior member that can suppress the reflection of light to the outside, and that can reduce glare from whatever angle a passenger views the interior member. A cross-section of a groove 6 formed in a vehicle interior member 4 is substantially V-shaped, and is constituted by two flat surfaces, a first reflection surface 7 and a second reflection surface 8. The groove 6 has a groove angle ? of 32 degrees, and the reflectance at a light receiving surface 5 is no more than 2.0%.Type: GrantFiled: June 16, 2020Date of Patent: May 14, 2024Assignee: NIFCO INC.Inventor: Kenji Umeda
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Patent number: 11964904Abstract: To provide a glass substrate with an antireflection film, which employs glass having high refractive index and which has excellent strength, and an optical member comprising it. A glass substrate with an antireflection film, comprising a glass substrate which consists of glass having refractive index (nd) of from 1.68 to 2.00 and which has plate thickness of from 0.01 to 2 mm, and an antireflection film formed on at least one principal plane of the glass substrate.Type: GrantFiled: July 15, 2020Date of Patent: April 23, 2024Assignee: AGC INC.Inventors: Yasuhiko Akao, Teruo Fujiwara
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Patent number: 11953671Abstract: An optical instrument comprises: an openable housing and a cover portion which together define an optical path cavity through which light travels for operation of the optical instrument; and one or more optical components mounted to the openable cover portion and located within or at least partially within the optical path cavity. The openable housing defines a housing aperture. The cover portion is moveable relative to the openable housing between: a closed position where the cover portion is located to cover the housing aperture to visually conceal the one or more optical components or at least portions of the one or more optical components; and an open position where the cover portion is located to uncover the housing aperture and visually expose the one or more optical elements or at least portions of the one or more optical components via the housing aperture.Type: GrantFiled: July 21, 2020Date of Patent: April 9, 2024Inventor: Dar-Tson Shen
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Patent number: 11940685Abstract: An antiglare transparent substrate includes a transparent substrate which includes a chemically strengthened glass and has a first main surface and a second main surface. The first main surface includes: a first smooth region having an arithmetic average roughness Ra of 0.05 nm or more and 2 nm or less; and a first rough region having an arithmetic average roughness Ra larger than the arithmetic average roughness Ra of the first smooth region. The second main surface includes, in at least a part of a region facing the first smooth region, a second smooth region having an arithmetic average roughness Ra of 0.05 nm or more and 2 nm or less.Type: GrantFiled: November 17, 2020Date of Patent: March 26, 2024Assignee: AGC Inc.Inventors: Maya Hatano, Satoshi Kanasugi, Masao Ozeki
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Patent number: 11938795Abstract: A vehicular vision system includes a forward viewing camera disposed at and viewing through a windshield of a vehicle. A driver viewing camera is disposed in the vehicle and views the driver's eyes. A control, responsive to processing of image data captured by the forward viewing camera to determine a light source ahead of the vehicle, and responsive to processing of image data captured by the driver viewing camera to determine a gaze direction of the eyes of the driver, determines a forward view path between the driver's eyes and the determined light source and determines a location where the determined forward view path intersects the windshield. The control, responsive to the determined light source having an intensity greater than a threshold level, controls the windshield to locally darken a region of the windshield that includes the location where the determined forward view path intersects the windshield.Type: GrantFiled: October 15, 2020Date of Patent: March 26, 2024Assignee: Magna Electronics Inc.Inventors: Marco Moschek, Dmitri Sandler
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Patent number: 11921406Abstract: A projection lens unit of the present disclosure is a projection lens unit that enlarges and projects image light output from an image forming unit onto a projection target, the image light including first light and second light having a longer wavelength band than the first light. The projection lens unit includes a plurality of lenses coated with a first antireflection coating, and a wavelength selection filter having a first region in a center of the wavelength selection filter through which an optical axis passes and a second region around the first region. In the wavelength selection filter, a transmittance of the first light in the second region is lower than a transmittance of the first light in the first region.Type: GrantFiled: May 12, 2022Date of Patent: March 5, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Natsumi Akaiwa, Shinya Sannohe
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Patent number: 11914278Abstract: A prism block includes a first prism having first, second and third surfaces, a second prism having a fourth surface parallel to the first surface, a fifth surface facing the second surface, and a sixth surface, a third prism having seventh and eight surfaces respectively facing the second and fifth surfaces, and an optical path separation coating disposed between the fifth and eighth surfaces. Illumination light incident on the third surface is reflected by the second surface, and is emitted from the first surface. Projection light incident on the first surface is emitted from the fourth surface. Imaging light incident on the fourth surface is reflected by the optical path separation coating, and is emitted from the sixth surface. A projection axis plane including optical paths of the illumination light and the projection light, and an imaging axis plane including an optical path of the imaging light intersect each other.Type: GrantFiled: May 2, 2022Date of Patent: February 27, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Norikazu Yamamoto
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Patent number: 11883999Abstract: A synthetic polymer film (35), (36) having a surface which has a plurality of raised portions (35p), (36p), wherein a two-dimensional size of the plurality of raised portions is in a range of more than 20 nm and less than 500 nm when viewed in a normal direction of the synthetic polymer film, the surface having a microbicidal effect, and the synthetic polymer film includes a fluorine element in such a profile that a fluorine content is not constant in a thickness direction but is higher in a portion closer to the plurality of raised portions than in a portion farther from the plurality of raised portions.Type: GrantFiled: August 24, 2016Date of Patent: January 30, 2024Assignee: SHARP KABUSHIKI KAISHAInventors: Takahiro Nakahara, Hidekazu Hayashi
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Patent number: 11880017Abstract: The present invention relates to anti-reflective films including: a light-transmitting substrate; a hard coating layer; and a low refractive layer, wherein the low refractive layer includes a first region including a binder resin and high refractive inorganic nanoparticles and a second region including a binder resin and low refractive inorganic nanoparticles, and when polarization ellipticity measured by ellipsometry is fitted to a Cauchy model for each of the first region and the second region, predetermined requirements are fulfilled.Type: GrantFiled: February 12, 2019Date of Patent: January 23, 2024Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Inyoung Song, Dong Hyun Kim, Kwangseok Seo, Yeongrae Chang
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Patent number: 11873959Abstract: An optical device for a lighting module. The invention relates to an optical device and a lighting module including a light source provided with a plurality of emitting elements and with said optical device. One face of a lens of the device comprises an array of recessed patterns, each of which is organized with a specific profile so as to produce an optimized light distribution. The profile in particular has a rotational symmetry.Type: GrantFiled: October 14, 2020Date of Patent: January 16, 2024Assignee: Valeo VisionInventor: Pierre Albou
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Patent number: 11874437Abstract: A black structure includes a black layer and a light transmitting portion in a same plane, in which the black layer has a fine uneven structure having a period of 380 nm or less on a surface of the black layer on the viewing side, and a surface of the black layer opposite to the surface having the fine uneven structure is bonded to a base material. A self-luminous image display device includes a self-luminous image display panel and the black structure.Type: GrantFiled: August 31, 2020Date of Patent: January 16, 2024Assignee: FUJIFILM CorporationInventors: Makoto Kamo, Shuntaro Ibuki
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Patent number: 11867931Abstract: Embodiments of the present disclosure generally relate to optical devices. More specifically, embodiments described herein relate to optical devices and methods of manufacturing optical devices having optical device structures with at least one of varying depths or refractive indices across the surface of a substrate. According to certain embodiments, an inkjet process is used to deposit a volumetrically variable optical device that is etched to form a diffractive optic element (DOE). Volumetrically variable can relate to the thickness of the optical device, or the relative volume of two or more diffractive materials deposited in combination. According to other embodiments, a single-profile DOE is deposited on a substrate and an inkjet process deposits a volumetrically variable organic material over the DOE. The DOE and organic material are etched to modify the profile of the structure, after which the organic material is removed, leaving the modified-profile DOE.Type: GrantFiled: September 23, 2021Date of Patent: January 9, 2024Assignee: Applied Materials, Inc.Inventors: Kang Luo, Xiaopei Deng, Daihua Zhang, Ludovic Godet
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Patent number: 11867877Abstract: An annular light trapping component includes an inner surface, an outer surface, an object-side surface and an image-side surface. The inner surface includes multiple L-shaped annular grooves. The annular light trapping component includes multiple stripe-shaped structures in the L-shaped annular grooves. The L-shaped annular grooves include an object-side L-shaped annular groove closest to the object-side surface and an image-side L-shaped annular groove closest to the image-side surface. A bottom diameter of the image-side L-shaped annular groove is larger than a bottom diameter of the object-side L-shaped annular groove. Each L-shaped annular groove includes a first side and a second side located between the object-side surface and the image-side surface. The stripe-shaped structures are disposed on the first side or the second side. A degree of inclination between the first side and the central axis is larger than a degree of inclination between the second side and the central axis.Type: GrantFiled: August 24, 2021Date of Patent: January 9, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Ming-Ta Chou, Cheng-Feng Lin, Wei-Hung Weng
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Patent number: 11859090Abstract: Inorganic coatings that may be used to coat and protect galvanized steel are disclosed. The protective inorganic coatings include a liquid composition portion comprising water, alkali metal oxide components and a silicate-containing component. The coatings also include a powder composition portion comprising microspheres, metal oxide powder and optional microfibers. When applied to galvanized steel, the coatings provide chemical and physical protection.Type: GrantFiled: May 8, 2020Date of Patent: January 2, 2024Assignee: Zirconia Inc.Inventors: Balamuralee Venkatesalu Balaguru, Benjamin Theodore Cook
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Patent number: 11846754Abstract: An optical lens with an antireflective film includes: a lens substrate; and an antireflective film disposed on the lens substrate. The antireflective film is formed of layers each having a physical thickness of 140 nm or less. In order from an air side, the antireflective film has: a first layer formed as an MgF2 layer, a second layer, a fourth layer, a sixth layer, an eighth layer, and a tenth layer each having a refractive index of 2.0 or more and 2.3 or less, and a third layer, a fifth layer, a seventh layer, and a ninth layer each formed as an SiO2 layer.Type: GrantFiled: December 18, 2020Date of Patent: December 19, 2023Assignee: Konica Minolta, Inc.Inventors: Yoshihiro Nakano, Koji Takahara
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Patent number: 11835708Abstract: A laser crystallization apparatus includes a plurality of laser generators which generate a plurality of laser beams, a plurality of attenuators which adjust energy intensity of the plurality of laser generators, and an optical module which overlap outputs of the plurality of attenuators to output a line beam. A first attenuator of the plurality of attenuators attenuates the energy intensity of the corresponding laser beam, and a second attenuator of the plurality of attenuators maintains the energy intensity of the corresponding laser beam.Type: GrantFiled: April 28, 2021Date of Patent: December 5, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Eon Lim, Jeong Un Go, Hyun Jin Kim, Hoon Chul Ryoo, Yeong Jin Seol, Gil Yong On, Yeon Hak Lee, Hye Ji Cho
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Patent number: 11815678Abstract: The transparent windscreen display (100) has a multilayer structure comprising at least the following layers: a transparent substrate layer (110); a transparent adhesive layer (120); a transparent display module (130); and a transparent protective layer (140). The display module (130) is configured to have a plurality of pixel units or pixel array units with an inter-pixel space therebetween. There is a predetermined distance (d) between the adjacent pixel units or pixel array units in both longitudinal and transversal directions of the display module (130), said distance being about 20-80% of the width of one pixel unit. The inter-pixel space is filled with a transparent material and involves flexible electric conductors for electrically connecting the adjacent pixel units or pixel array units.Type: GrantFiled: January 11, 2019Date of Patent: November 14, 2023Assignee: DynaCloud Kft.Inventors: György Csaba Muráncsik, Tibor Károly Kellessy, Gábor Tarnói, József Goldfárth
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Patent number: 11796756Abstract: A plastic barrel includes an object-end portion, an image-end portion, a tube portion and a plurality of wedge structures. The object-end portion includes an outer object-end surface, an object-end hole and an inner annular object-end surface. The image-end portion includes an outer image-end surface, an image-end opening and an inner annular image-end surface. The tube portion connects the object-end portion and the image-end portion, and includes a plurality of inclined surfaces. The wedge structures are disposed on at least one surface of the inner annular object-end surface, the inner annular image-end surface and the inclined surfaces, wherein the wedge structures are regularly arranged around the central axis, and each of the wedge structures includes an acute end and a tapered section. The tapered section connects the surface, which the wedge structure is disposed on, and the acute end.Type: GrantFiled: December 1, 2021Date of Patent: October 24, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Cheng-Feng Lin, Ming-Ta Chou, Wei-Hung Weng
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Patent number: 11782262Abstract: A light converter and method of manufacture is provided. A light conversion layer (301), comprising light conversion particles (301a) in a binding material (301b) is provided for generating emission light from excitation light incident on the light conversion layer (301). A planarization layer (304) is on a surface of the light conversion layer (301) and at least one optical coating (305) is part of or on a surface of the planarization layer (304) that is relatively smooth in comparison with the surface of the light conversion layer (301).Type: GrantFiled: March 2, 2016Date of Patent: October 10, 2023Assignee: MATERION CORPORATIONInventors: David Zhang, Ying Cao, Lennon Li, Shengyuan Bai
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Patent number: 11752951Abstract: A virtual visor system is disclosed that includes a visor having a plurality of independently operable pixels that are selectively operated with a variable opacity. A camera captures images of the face of a driver or other passenger and, based on the captured images, a controller operates the visor to automatically and selectively darken a limited portion thereof to block the sun or other illumination source from striking the eyes of the driver, while leaving the remainder of the visor transparent. The virtual visor system advantageously detects whether the driver of other passenger is performing particular head gestures and updates the optical state of the visor using suitable modified procedures that accommodate the intent or goals of the driver or other passenger that are inferred from the predefined head gesture. In general, the modified procedures reduce distracting or frustrating updates to the optical state of the visor.Type: GrantFiled: July 6, 2021Date of Patent: September 12, 2023Assignee: Robert Bosch GmbHInventors: Jason Zink, Jolene Castillo, Ryan Todd, Sarah Maynard
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Patent number: 11736599Abstract: Disclosed is a cover for an electronic device and includes a transparent substrate including a first surface and a second surface opposite to the first surface, a pattern layer having a first color and formed on a first area and a second area of the second surface of the transparent substrate, the pattern layer including one or more holes formed in a portion of the pattern layer corresponding to the second area, a light reflection layer formed beneath the pattern layer and including a reflecting surface facing the pattern layer, and a color layer having a second color different than the first color, the color layer being formed between the pattern layer and the light reflection layer, wherein the reflecting surface is formed such that light reflected on the reflecting surface passes through the color layer and at least a portion of the one or more holes.Type: GrantFiled: February 28, 2022Date of Patent: August 22, 2023Inventors: Dohyung Ha, Sungmin Shin, Kisung Kim, Minhoo Park
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Patent number: 11733560Abstract: According to one embodiment, a display device includes a backlight source, liquid crystal panel, and color separating element substrate. The liquid crystal panel includes an adherence area with a predetermined width in a peripheral part of the transparent material substrate in the incident surface side of the backlight, and the color separating element substrate includes a step with a predetermined height, in the peripheral part of the surface opposed to the liquid crystal panel, and an upper surface of the step of the color separating element substrate and the adherence area of the transparent material substrate of the liquid crystal panel are adhered through a film therebetween.Type: GrantFiled: March 31, 2022Date of Patent: August 22, 2023Assignee: Japan Display Inc.Inventors: Shuichi Osawa, Yoshikatsu Imazeki, Yoichi Kamijo, Koichi Miyasaka, Yoshifumi Kamei
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Patent number: 11710338Abstract: A portable communication device may include a display, a back panel that is disposed below the display, a support member that is disposed below the back panel, a sensor that is disposed such that at least a portion of the sensor faces a back surface of the display through a sensor hole formed at the support member, a first adhesive member that adheres at least a portion of the sensor on one side of the support member, and a second adhesive member that is disposed between the sensor (or a sensor structure including the sensor) and the sensor hole.Type: GrantFiled: February 19, 2022Date of Patent: July 25, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyunwoo Kim, Jihoon Park, Jihun Heo
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Patent number: 11676984Abstract: The present disclosure relates to a solid-state imaging device capable of further decreasing reflectivity, a method of manufacturing the same, and an electronic device. The solid-state imaging device includes a semiconductor substrate on which a photoelectric converting unit is formed for each of a plurality of pixels, and an antireflection structure provided on a light incident surface side from which light is incident on the semiconductor substrate in which a plurality of types of projections of different heights is formed. The antireflection structure is formed by performing processing of digging a light incident surface of the semiconductor substrate in a plurality of stages with different processing conditions. The antireflection structure is the structure in which a second projection lower than a first projection is formed between the first projections of predetermined height. The present technology may be applied to a CMOS image sensor, for example.Type: GrantFiled: February 12, 2021Date of Patent: June 13, 2023Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventor: Naoyuki Sato
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Patent number: 11642877Abstract: To provide a glass resin laminate of the present invention, in which the glass substrate and the resin layer containing a TFE polymer are strongly laminated, is hardly warped and is excellent in the electrical properties, a composite laminate further having a metal foil, and methods for producing them. A glass resin laminate comprising a glass substrate 10 having an uneven surface 12 with an arithmetic mean roughness of at least 5 nm, and a resin layer containing a tetrafluoroethylene polymer in contact with the uneven surface 12, wherein the uneven surface 12 has specific convex portions 21 and 22 which narrow at at least a part of the root portion as compared with the tip portion.Type: GrantFiled: October 15, 2020Date of Patent: May 9, 2023Assignee: AGC Inc.Inventors: Atsumi Yamabe, Kohei Yasuda, Nobuaki Ikawa
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Patent number: 11624856Abstract: Gloss of a surface having a concave-convex structure is measured, and R/V, which is a ratio of a diffuse specular reflection intensity R to a sum total V of diffuse reflection intensities (in formula, the diffuse specular reflection intensity R represents a diffuse reflection intensity measured at an aperture angle of 1 degree by a variable-angle photometer in a diffuse specular reflection direction when visible light is radiated, at an angle of 45 degrees from a normal line, to the surface having the concave-convex structure of the anti-glare film, and the sum total V of diffuse reflection intensities represents a sum total of diffuse reflection intensities measured at an aperture angle of 1 degree by a variable-angle photometer for every 1 degree from ?45 degrees up to 45 degrees, including 0 degrees, with respect to the diffuse specular reflection direction when visible light is radiated, at an angle of 45 degrees from a normal line, to the surface having the concave-convex structure of the anti-glare filmType: GrantFiled: March 23, 2018Date of Patent: April 11, 2023Assignee: DAICEL CORPORATIONInventor: Yoshitaka Sugawara
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Patent number: 11613643Abstract: The antiglare film of the present invention is provided with an antiglare layer having a haze value set in a range from 0.5% to 20%, transmission image clarity at an optical comb width of 0.5 mm is a value in a range from 60% to 96%, and, in a state where the antiglare film is mounted on a surface of a display, a standard deviation of luminance distribution of the display is a value in a range from 0 to 12.Type: GrantFiled: June 25, 2018Date of Patent: March 28, 2023Assignee: DAICEL CORPORATIONInventor: Masaki Hayashi
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Patent number: 11609363Abstract: The present disclosure relates to a layered optical composite, in particular for use in an augmented reality device. In particular, the disclosure relates to a layered optical composite and a process for its preparation, a device comprising the layered optical composite and a process for its preparation, and the use of a layered optical composite in an augmented reality device. The present disclosure relates to a layered optical composite comprising: a. a substrate having a front face and a back face, b. a coating comprising: i. a type T layer, and ii. a type C region comprising one or more type C layers; in which the substrate has: i. a thickness tG in the range from 0.2 to 1.2 mm; ii. a refractive index nG at a wavelength ? in the range from 1.6 to 2.4; and iii. an optical absorption coefficient KG at the wavelength ? of less than 10 cm?1; in which the type C layers individually and independently have: i. a thickness tC in the range from 9 to 250 nm; ii.Type: GrantFiled: September 28, 2020Date of Patent: March 21, 2023Assignee: SCHOTT AGInventors: Kurt Nattermann, Jens Ulrich Thomas, Frank-Thomas Lentes, Thorsten Damm, Peter Naß
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Patent number: 11586306Abstract: Embodiments of a vehicle interior system are disclosed. In one or more embodiments, the system includes a base with a curved surface, and a display or touch panel disposed on the curved surface. The display includes a cold-bent glass substrate with a thickness of 1.5 mm or less and a first radius of curvature of 20 mm or greater, and a display module and/or touch panel attached to the glass substrate having a second radius of curvature that is within 10% of the first radius of curvature. Methods for forming such systems are also disclosed.Type: GrantFiled: October 3, 2018Date of Patent: February 21, 2023Assignee: Corning IncorporatedInventors: Jordon Thomas Boggs, Michael Timothy Brennan, Atul Kumar, Arpita Mitra, William Michael Seiderman, Yawei Sun, Wendell Porter Weeks
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Patent number: 11588300Abstract: The light emitting device includes a substrate, and a laminated structure provided to the substrate, and including a plurality of columnar parts, wherein the columnar part includes a first semiconductor layer, a second semiconductor layer different in conductivity type from the first semiconductor layer, and a light emitting layer disposed between the first semiconductor layer and the second semiconductor layer, the laminated structure includes a third semiconductor layer which is connected to an opposite side to the substrate of the second semiconductor layer, and is same in conductivity type as the second semiconductor layer, the second semiconductor layer is disposed between the light emitting layer and the third semiconductor layer, the third semiconductor layer is provided with a recessed part, an opening of the recessed part is provided to a surface at an opposite side to the substrate side of the third semiconductor layer, and a diametrical size in a bottom of the recessed part is smaller than a diametType: GrantFiled: October 28, 2020Date of Patent: February 21, 2023Inventors: Hiroaki Jiroku, Katsumi Kishino
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Patent number: 11506820Abstract: The present invention relates to an anti-reflective film including: a hard coating layer; and a low refractive index layer containing a binder resin containing a copolymer of a polyfunctional (meth)acrylate-based monomer, and inorganic particles dispersed in the binder resin, wherein the polyfunctional (meth)acrylate-based monomer includes a 2- to 4-functional (meth)acrylate-based monomer and a 5- to 6-functional (meth)acrylate-based monomer in a weight ratio of 9:1 to 6:4, and a polarizing plate and a display apparatus using the same.Type: GrantFiled: January 15, 2019Date of Patent: November 22, 2022Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Kwangseok Seo, Jung Hyun Seo, Yeongrae Chang
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Patent number: 11460612Abstract: A spacer, including a spacer body, a light transmissive film, and a light absorbing film, is provided. The spacer body has an outer side surface, an inner inclined surface, an object side surface, and an image side surface. The object side surface faces an object side and connects the outer side surface with the inner inclined surface. The image side surface faces an image side and connects the outer side surface with the inner inclined surface. The inner inclined surface is located between an optical axis of the spacer and the outer side surface, and includes an inner edge adjacent to the optical axis and an outer edge away from the optical axis. The inner edge forms a light through hole. The light transmissive film and the light absorbing film are disposed on the inner inclined surface. All surfaces facing the optical axis are inclined relative to the optical axis.Type: GrantFiled: July 31, 2020Date of Patent: October 4, 2022Assignee: GENIUS ELECTRONIC OPTICAL (YIAMEN) CO., LTD.Inventors: Ziwen Xu, Junjiao Chen, Haibin Zhan
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Patent number: 11454748Abstract: The present invention describes articles comprising a substrate including opposed front and back surfaces, wherein the front surface and the back surface each comprise surface structures that are randomly oriented on each surface, wherein the front surface and the back surface each have a surface roughness and a gloss value, and wherein the surface roughness of the front surface does not equal the surface roughness of the back surface and/or the gloss value of the front surface does not equal the gloss value of the back surface. Display system stacks utilizing the described articles are also provided.Type: GrantFiled: November 12, 2019Date of Patent: September 27, 2022Assignee: Europtec USA, Inc.Inventors: Darren K. Huckaby, Andreas Ruefenacht, Eric S. Miller, David L. Soberanis
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Patent number: 11454853Abstract: A switchable privacy display apparatus comprises a spatial light modulator, a light control film, and a polar control retarder that comprises plural retarders arranged between a display polariser of the spatial light modulator and an additional polariser. The display achieves high image visibility to an off-axis user in a public mode of operation and high image security to an off-axis snooper in privacy mode of operation.Type: GrantFiled: July 19, 2021Date of Patent: September 27, 2022Assignee: RealD Spark, LLCInventors: Graham J. Woodgate, Michael G. Robinson, Jonathan Harrold, Robert A. Ramsey, Ben Ihas
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Patent number: 11435277Abstract: Embodiments of the present invention include a device for removing energy from a beam of electromagnetic radiation. Typically, the device can be operatively coupled to a turbidity measuring device to remove energy generated by the turbidity measuring device. The device can include a block of material having one of a plurality of different shapes coated in an energy absorbing material. Generally, the device can include an angled or rounded energy absorbing surface where the beam of electromagnetic radiation can be directed. The angled or rounded energy absorbing surface can be configured to deflect a portion of the beam of electromagnetic radiation to a second energy absorbing surface.Type: GrantFiled: August 28, 2019Date of Patent: September 6, 2022Assignee: TINTOMETER, GMBHInventor: Perry Palumbo
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Patent number: 11413849Abstract: Provided is a transparent member having fine uneven portions, which is applied to a portable device, has a reduced thickness and improved concealment, and reduces a haze and a step caused by a print layer. The transparent member includes an attachment layer applied to a transparent substrate or an anti-scattering film. The transparent substrate or the anti-scattering film, which is translucent due to the fine uneven portions, becomes transparent due to the attachment layer that penetrates into a space between the fine uneven portions.Type: GrantFiled: January 15, 2021Date of Patent: August 16, 2022Inventor: Young Su Kim
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Patent number: 11372202Abstract: Provided is a supporting element having an object-side mechanical surface, an image-side mechanical surface, an inner-side connecting surface having a first and a second plane inner walls extending from at least one of the object-side and the image-side mechanical surfaces, and an outer-side connecting surface having a first and a second outer cutting surfaces respectively adjacent to the first and the second plane inner walls. The supporting element satisfies the following conditional expression. 4?R/SD?30. R represents half of a distance between the first and the second outer cutting surfaces. SD represents a smaller one of a first and a second distances, the former being the minimum distance between the first outer cutting surface and the first plane inner wall, the latter being the minimum distance between the second outer cutting surface and the second plane inner wall. A portable optical imaging lens is also provided.Type: GrantFiled: October 24, 2019Date of Patent: June 28, 2022Assignee: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.Inventors: Wensen Chen, Ziping Li, Zhan Lin