Patents Examined by Jia X Pan
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Patent number: 11604379Abstract: Provided is a liquid crystal display device and a polarizing plate capable of improving the contrast ratio in the front direction. The polarizing plate includes a pair of polarizers including a first polarizer and a second polarizer whose transmission axes are parallel to each other; a retarder between the paired polarizers; and a diffusion layer in at least one of a region between the paired polarizers or a region on a side without the retarder of the first polarizer.Type: GrantFiled: May 27, 2021Date of Patent: March 14, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Akira Sakai, Yuichi Kawahira, Masahiro Hasegawa, Kiyoshi Minoura
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Patent number: 11598902Abstract: An optical member includes a base material containing aluminum or aluminum alloy, a first layer including black porous aluminum oxide provided on the base material, and a second layer including aluminum oxide having a plurality of projection portions provided on the first layer.Type: GrantFiled: September 25, 2020Date of Patent: March 7, 2023Assignee: Canon Kabushiki KaishaInventors: Masaaki Nakabayashi, Hiroyuki Tanaka, Masaya Hisamatsu, Manami Tomizuka
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Patent number: 11586067Abstract: Processing methods may be performed to form a pixel material in a semiconductor substrate. The methods may include forming a lithographic mask overlying the semiconductor substrate. The lithographic mask may include a window. The method may include forming a via in the semiconductor substrate by a dry etch process through the window. The method may also include forming the pixel material by depositing a fill material in the via.Type: GrantFiled: November 20, 2020Date of Patent: February 21, 2023Assignee: Applied Materials, Inc.Inventors: Lan Yu, Benjamin D. Briggs, Tyler Sherwood, Raghav Sreenivasan
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Patent number: 11579483Abstract: A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.Type: GrantFiled: August 25, 2021Date of Patent: February 14, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruijun Dong, Xue Dong, Hao Zhang, Wenhong Tian, Yulong Wu, Chenru Wang, Ke Li, Jiarong Bai, Na Han
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Patent number: 11573452Abstract: Processing methods may be performed to forming a pixel material in a semiconductor structure. The methods may include forming a sacrificial hardmask overlying an uppermost layer of an optical stack of the semiconductor structure, the uppermost layer having a thickness. The methods may include forming a via through the sacrificial hardmask in the optical stack by a first etch process unselective to a metal layer of the semiconductor structure. The methods may include filling the via with a fill material, wherein a portion of the fill material extends over the sacrificial hardmask and contacts the metal layer. The methods may include removing a portion of the fill material external to the via by a removal process selective to the fill material. The methods may also include removing the sacrificial hardmask by a second etch process selective to the sacrificial hardmask while maintaining the thickness of the uppermost layer.Type: GrantFiled: November 20, 2020Date of Patent: February 7, 2023Assignee: Applied Materials, Inc.Inventors: Lan Yu, Benjamin D. Briggs, Tyler Sherwood, Raghav Sreenivasan
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Patent number: 11573460Abstract: A liquid crystal display device includes a plurality of pixels, each pixel includes a first electrode, a second electrode opposed to the first electrode, and a liquid crystal layer between the second electrode and the first electrode; a first region in each of the plurality of pixels having a first optical path length between the first electrode and the second electrode; a second region in each of the plurality of pixels having a second optical path length between the first electrode and the second electrode, the second optical path length being shorter than the first optical path length, the second region has the liquid crystal layer equal in thickness to the liquid crystal layer in the first region; and an optical path length adjusting layer between the liquid crystal layer and the first electrode in the first region.Type: GrantFiled: March 19, 2019Date of Patent: February 7, 2023Assignee: SONY CORPORATIONInventor: Tsuyoshi Okazaki
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Patent number: 11567352Abstract: The present application discloses a display module, a preparation method thereof, and a display apparatus. In a non-display region of the display panel, the display panel and the optical adhesive have a first open pore and a second open pore penetrating through their thickness, respectively; and an orthographic projection of the first open pore falls in an orthographic projection of the second open pore on the cover plate. A light shading part in the light shading region has a third open pore surrounding the light transmitting region; and the light shading part includes a photochromic material in a light shading state, and an orthographic projection of the light shading part on the cover plate at least covers a region, which does not overlap with the orthographic projection of the first open pore on the cover plate, of the orthographic projection of the second open pore on the cover plate.Type: GrantFiled: September 27, 2021Date of Patent: January 31, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd,.Inventors: Chuandong Liao, Liqiang Chen, Mengyuan Pang, Yaming Wang, Yanxin Wang, Dongdong Zhao
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Patent number: 11567354Abstract: According to an embodiment, a display device comprises a frame defining an opening, a grip extending from the frame, and a display panel which is held by the frame and whose background is visually recognizable. Further, the opening includes a region surrounded by an inner edge of the frame and the display panel.Type: GrantFiled: July 8, 2021Date of Patent: January 31, 2023Assignee: Japan Display Inc.Inventors: Koji Hiramoto, Norika Ikeda, Ken Sugiyama
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Patent number: 11556027Abstract: According to one embodiment, a display device includes a first transparent substrate including a first end portion, a second transparent substrate including a second end portion and opposing the first transparent substrate and a plurality of light-emitting devices provided along the second end portion, and the first transparent substrate includes a first driver provided in a first region located between the first end portion and the second end portion and located without overlapping the second transparent substrate in planar view, the second end portion includes a concavity, and at least one first light-emitting device of the light emitting devices, provided along the concavity, oppose the first driver with a predetermined interval therebetween.Type: GrantFiled: May 21, 2021Date of Patent: January 17, 2023Assignee: Japan Display Inc.Inventor: Yuuichi Kanesaka
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Patent number: 11556022Abstract: The embodiments of the present disclosure provide a liquid crystal display device. The liquid crystal display device includes: a display panel, including a display region and a non-display region surrounding the display region; a back plate, arranged opposite to the display panel, where the back plate comprises a bottom wall and a side wall extending from the bottom wall to one side of the display panel; a backlight source, arranged between the display panel and the back plate, where the backlight source comprises a light source arranged on the bottom wall of the back plate and a diffusion plate arranged on a light emitting side of the light source; and a middle frame, where the middle frame comprises a first support part, and a second support part connected with one side, deviating from the display panel, of the first support part.Type: GrantFiled: September 7, 2021Date of Patent: January 17, 2023Assignees: Hefei BOE Display Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Wenbo Dong, Jianming Liu, Wei Kang, Chaoyue Wang
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Patent number: 11550139Abstract: A night-vision optical device is provided, including a main body, a lens module, and a display module. The lens module includes an aperture element, a lens element, an electromagnetic driving assembly, an image sensor, and a digital signal processor. In response to an ambient light level around the night-vision optical device satisfying a predetermined condition, the digital signal processor (DSP) controls the night-vision optical device to enter a first mode, and controls the electromagnetic driving assembly to drive a first portion of a filter member to a first position to align an optical axis of the lens element. In response to the ambient light level not satisfying a predetermined condition, the DSP controls the night-vision optical device to enter a second mode, and controls the electromagnetic driving assembly to drive the second portion of the filter member to the first position.Type: GrantFiled: October 30, 2020Date of Patent: January 10, 2023Assignee: CHANGING INTERNATIONAL COMPANY LIMITEDInventor: Han-Che Chen
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Patent number: 11543695Abstract: The present disclosure provides a light-adjusting glass and a manufacturing method thereof, and a glass assembly, and belongs to the field of display glass technology. The light-adjusting glass of the present disclosure includes at least one light-adjusting module; the light-adjusting module includes a first substrate and a second substrate opposite to each other, and a dye liquid crystal layer between the first substrate and the second substrate; wherein liquid crystal molecules in the dye liquid crystal layer deflect under a control of an electric field between the first substrate and the second substrate, to control a transmittance of light; wherein the dye liquid crystal layer includes a polymer network, which is configured such that when the electric field between the first substrate and the second substrate changes, twisting degrees of the liquid crystal molecules are identical, and twisting degrees of dye molecules are identical.Type: GrantFiled: March 25, 2021Date of Patent: January 3, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xiaojuan Wu, Xiaoqiang Zhang, Zhiqiang Zhao, Wei Zhao, Chunlei Wang, Hongliang Yuan, Jian Wang, Jing Yu
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Patent number: 11537011Abstract: A display device includes a first substrate including a display area including pixels, a non-display area disposed around the display area, and a base substrate, a second substrate facing the first substrate, and a printed circuit board attached to side surfaces of the first substrate and the second substrate, wherein the first substrate includes a plurality of connection wirings connected to the pixels, arranged on the base substrate, extending along a first direction, and spaced apart from each other along a second direction intersecting the first direction, and a plurality of connection pads arranged on the side surface of the first substrate and the side surface of the second substrate, connected to the connection wirings, extending along a thickness direction, and spaced apart from each other along the second direction, the first substrate further includes a coupling member disposed between the printed circuit board and the side surface of the first substrate and between the printed circuit board and theType: GrantFiled: September 3, 2020Date of Patent: December 27, 2022Assignee: Samsung Display Co., Ltd.Inventor: Byoung Yong Kim
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Patent number: 11526046Abstract: According to one embodiment, a display device includes a first transparent substrate, a second transparent substrate having a first side surface and a second side surface, and a liquid crystal layer including a stripe-shaped polymer and liquid crystal molecules. The liquid crystal layer has a first region and a second region. When no voltage is applied to the liquid crystal layer, a first intersection angle of a first director of a first liquid crystal molecule and a first extension axis of the polymer included in the first region is different from a second intersection angle of a second director of a second liquid crystal molecule and a second extension axis of the polymer included in the second region.Type: GrantFiled: March 31, 2021Date of Patent: December 13, 2022Assignee: Japan Display Inc.Inventors: Kojiro Ikeda, Tenfu Nakamura, Kentaro Okuyama
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Patent number: 11526056Abstract: A display device is described that includes an optical member such as a camera. According to an exemplary embodiment, the display device includes: a substrate that overlaps a light transmission area, a display area that surrounds the light transmission area, and a boundary area that is disposed between the light transmission area and the display area; a first light blocking member that is disposed on the substrate and overlaps the boundary area; a window that overlaps the substrate; and a second light blocking member that is disposed between the first light blocking member and the window, and overlaps the boundary area, wherein the first light blocking member includes a first opening that overlaps the light transmission area, the second light blocking member includes a second opening that overlaps the light transmission area, and a diameter of the first opening is larger than a diameter of the second opening.Type: GrantFiled: January 24, 2020Date of Patent: December 13, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Jung Hyun Kim
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Patent number: 11520192Abstract: The present disclosure relates to an array substrate. The array substrate may include a base substrate; a first electrode layer on the base substrate, and at least one connection electrode at a periphery of the first electrode unit. The first electrode layer may include a plurality of first electrodes, each of the plurality of first electrodes may include at least one first electrode unit, the first electrode unit may include a plurality of strip electrodes, and a plurality of slits are between the plurality of strip electrodes. The plurality of strip electrodes are electrically connected to the connection electrode, and the connection electrode disconnects at one or more positions such that corresponding ends of one or more of the plurality of slits form openings at the one or more positions of the connection electrode.Type: GrantFiled: March 25, 2019Date of Patent: December 6, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xiaoyuan Wang, Wu Wang, Yan Fang, Yajie Bai, Ruilin Bi
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Patent number: 11520187Abstract: A liquid crystal display panel and a liquid crystal display device are provided. The liquid crystal display panel includes a substrate comprising a first substrate and a second substrate, a plurality of spacers comprising a plurality of first spacers and a plurality of second spacers, and at least one retaining wall disposed between the first spacer and the second spacer or between the second spacers.Type: GrantFiled: November 28, 2019Date of Patent: December 6, 2022Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Huihua Liao
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Patent number: 11506941Abstract: The present disclosure relates to a display panel. The display panel may include a first substrate, a second substrate opposite the first substrate, and a frame supporting structure between the first substrate and the second substrate in a frame area of the display panel. The frame area of the display panel may surround a display area of the display panel. The frame supporting structure may include a first frame supporting portion on at least one part of a circumference of the display area, the first frame supporting portion comprises an elastic material, and an elastic recovery rate of the elastic material is above about 80%.Type: GrantFiled: April 3, 2019Date of Patent: November 22, 2022Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Lin Zhang, Hongliang Wang, Ke Dai
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Patent number: 11506938Abstract: A lighting unit includes a glass laminate structure including a base layer formed from a first glass composition with a refractive index nbase and a surface layer fused to a surface of the base layer and formed from a second glass composition with a refractive index nsurface. The surface layer includes a high refractive index region with a refractive index nhigh and a low refractive index region with a refractive index nlow. nbase and nsurface satisfy the equation |nsurface?nbase?0.001, nhigh is greater than or equal to nbase 1, and nlow is less than nbase. The high refractive index region is optically coupled to the base layer such that at least a portion of light propagating through the base layer leaks out of the base layer and into the high refractive index region. A display device or a luminaire can include the lighting unit.Type: GrantFiled: July 11, 2017Date of Patent: November 22, 2022Assignee: CORNING INCORPORATEDInventors: Venkata Adiseshaiah Bhagavatula, Natesan Venkataraman
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Patent number: 11506926Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.Type: GrantFiled: September 10, 2018Date of Patent: November 22, 2022Assignee: 3M Innovative Properties CompanyInventors: Sun-Yong Park, Song-Geun Lee, Matthew B. Johnson, Adam D. Haag