Patents Examined by Mariam Qureshi
  • Patent number: 11513404
    Abstract: According to one embodiment, a display device includes a first display portion including a first pixel, a second display portion including a second pixel, a first light shield surrounding the first display portion and the second display portion, a second light shield disposed between the first display portion and the second display portion, a liquid crystal layer disposed in the first display portion and the second display portion, a first sealant overlapping the first light shield and sealing the liquid crystal layer in the first display portion and the second display portion, and a second sealant overlapping the second light shield. The second sealant has at least one opening through which the first display portion and the second display portion communicate.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: November 29, 2022
    Assignee: Japan Display Inc.
    Inventors: Koichiro Adachi, Kenji Tanase
  • Patent number: 11513408
    Abstract: According to one embodiment, a display device includes a liquid crystal layer between a first substrate and a second substrate. The first substrate includes a wiring line and a pixel electrode. The liquid crystal layer contains a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer contains a first polymer in an area overlapping the wiring line and a second polymer in an area overlapping the pixel electrode. The first polymer includes a first portion extending in a direction different from the first direction. The second polymer includes a second portion extending in a direction different from the first direction. A density of the first portion is higher than a density of the second portion.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: November 29, 2022
    Assignee: Japan Display Inc.
    Inventors: Kojiro Ikeda, Kentaro Okuyama, Tenfu Nakamura
  • Patent number: 11513381
    Abstract: An optical device is provided. The optical device is capable of varying transmittance, and such optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: November 29, 2022
    Inventors: In Ju Mun, Kum Suek Seo, Beom Jin Lee, Byoung Kun Jeon, Seong Min Lee
  • Patent number: 11506830
    Abstract: A backlight module and a display device are provided. The backlight module includes a polarizing light guide plate configured to convert incident light into first polarized light and second polarized light, a polarization direction of the first polarized light being perpendicular to a polarization direction of the second polarized light.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: November 22, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Donglong Lin, Peng Wu, Zeyuan Tong, Wenyang Li, Fujian Ren, Dong Cui, Zhipeng Zhang, Bin Long, Dae Keun Yoon, Qing Ma, Rui Han, Pai Sun
  • Patent number: 11506921
    Abstract: A display device is provided, including a first flexible substrate, a second flexible substrate, an electrode layer, and a TFT circuit. The second flexible substrate is disposed opposite to the first flexible substrate. The electrode layer is formed on the first flexible substrate. The TFT circuit is formed on the first flexible substrate. The first flexible substrate has a first light transmission chromaticity coordinates (x1, y1), the second flexible substrate has a second light transmission chromaticity coordinates (x2, y2), and x1?x2?0.002 or y1?y2?0.002.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: November 22, 2022
    Assignee: INNOLUX CORPORATION
    Inventors: Yu-Chia Huang, Yuan-Lin Wu, Kuan-Feng Lee, Tsung-Han Tsai
  • Patent number: 11506943
    Abstract: The present application provides a display panel, a display module and a display device, the display panel includes a pixel electrode layer, at least one firstshading strip and at least one second shading strip; a pixel electrode layer is divided onto at least four pixel electrode regions by the first shading strip and the second shading strip, a plurality of branch electrodes are formed in the pixel electrode region; the branch electrodes in the two adjacent pixel electrode regions and a center line of the two adjacent pixel electrode regions are symmetrically disposed.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: November 22, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Ziqi Liu
  • Patent number: 11506895
    Abstract: A light-guiding device includes a pair of light-guiding portions, a pair of light-incident portions that causes image light to be incident on the respective pair of light-guiding portions, and a pair of light-emitting portion that causes image light guided by the respective pair of light-guiding portions to exit outside, in which a pair of optical members including the pair of light-guiding portions are coupled by a central member having light transmissivity, and in which the central member includes a light-guide blocking structure that suppresses light from being incident from one end to another end of the central member by absorbing the light.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: November 22, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Toshiaki Miyao, Masayuki Takagi, Takashi Takeda, Tokito Yamaguchi
  • Patent number: 11500249
    Abstract: The present disclosure relates to a counter substrate and display panel. The counter substrate includes a base substrate, PS pattern layer and alignment film. A surface of the PS pattern layer away from the base substrate is a support surface, and the PS pattern layer includes: main PSs in a display area and a peripheral barrier wall in a non-display area. The peripheral barrier wall has an elongated-strip shape and has a same length direction as a corresponding display area side, the support surface of the peripheral barrier wall is closer to the base substrate than that of the main PS, and a distance between the support surfaces of the peripheral barrier wall and main PS in a thickness direction is a first distance. A ratio between a width of the support surface of the peripheral barrier wall and the first distance is less than 100.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: November 15, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Jian Ma, Jinliang Hu, Chengyong Zhan, Wenming Ren
  • Patent number: 11493797
    Abstract: A polymer dispersed liquid crystal (PDLC) film, comprising: at least one first transparent flexible film coated with conductive material; at least one liquid crystal dispersion, allocated between said at least one first transparent flexible film and at least one second transparent flexible film; at least one second transparent flexible film coated with conductive material; where the PDLC comprises a pattern or a signage. Furthermore, the invention comprises a multichannel controller that enables independent control of each segment of the pattern.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: November 8, 2022
    Assignee: Gauzy Ltd.
    Inventors: Hassan-Ali Hakemi, Adrian Lofer, Eyal Peso
  • Patent number: 11493822
    Abstract: The invention relates to a diffractive optical element which comprises a first substrate and a second substrate, between which a liquid crystal layer is provided. The diffractive optical element also has strip-shaped electrodes on the first substrate and strip-shaped electrodes on the second substrate. The electrodes on the first substrate are arranged at an angle of greater than 50° relative to the electrodes on the second substrate. Furthermore, the electrodes on the first substrate and the electrodes on the second substrate are controllable in such a way that a defined out-of-plane field can be produced in a respective overlapping area of the electrodes on the first substrate with the electrodes on the second substrate. The diffractive optical element can be used in a display device for displaying preferably three-dimensional scenes.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: November 8, 2022
    Assignee: SEEREAL TECHNOLOGIES S.A.
    Inventors: Bo Kroll, Norbert Leister
  • Patent number: 11480837
    Abstract: An embodiment of the present disclosure provides an array substrate, a display panel, and a display device, including a substrate, a data line located above the substrate, and a shielding member located on a side, away from the substrate, of the data line, the shielding member includes a conductive screening portion, an orthographic projection of the conductive screening portion on the substrate partially covering an orthographic projection of the data line on the substrate, or the shielding member includes a filling body, an orthographic projection of the filling body on the substrate covering an orthographic projection of the data line on the substrate, and the filling body protruding outward from a surface of the substrate in a direction away from the substrate.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 25, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Xingxing Song, Kun Yu, Zhongzhen Li, Dayong Yu, Biao Luo, Wenjie Wang
  • Patent number: 11467445
    Abstract: A display panel and a display device are disclosed. The display panel includes liquid crystal display panel, and a light control panel that are stacked; the liquid crystal display panel includes first mesh lines extending along a first direction and second mesh lines extending along a second direction intersecting with the first direction that define color subpixel units; the light control panel allows back light to be enter the liquid crystal display panel after passing through the light control panel, and includes first signal lines extending along the first direction and second signal lines extending along the second direction that define light control units; N color subpixel units continuously arranged and respectively displaying different colors constitute one pixel unit; N is a positive integer; along the first direction, a maximum length of one light control unit is m times a maximum length of one pixel unit; m is a non-integer.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: October 11, 2022
    Assignees: Beijing Boe Display Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Hao Liu, Ruichen Zhang, Kaixuan Wang, Hongming Zhan, Xi Chen
  • Patent number: 11467456
    Abstract: Embodiments of the present disclosure provide an array substrate, a display panel, and a display apparatus. The array substrate includes: a display region for displaying an image; a non-display region; a shift register provided in the non-display region; a gate line provided in the display region and extending along a first direction; and a gate signal output line, provided in the non-display region and having a first end and a second end. The first end of the gate signal output line is connected to the shift register, and the second end of the gate signal output line is connected to the gate line at a side of the gate line in a second direction perpendicular to the first direction.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: October 11, 2022
    Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Pengyue Zhang, Zhulin Liu, Xiaolin Wang, Jungho Park, Zhuo Xu
  • Patent number: 11460740
    Abstract: An array substrate includes a plurality of driving units, where each of the plurality of driving units includes a first electrode, a second electrode and at least one thin film transistor; the first electrode and the second electrode are configured to be connected to an anode and a cathode of a light-emitting diode, respectively, such that a vertical projection of the light-emitting diode on the array substrate overlaps with the at least one thin film transistor, and in a light-emitting direction of the light-emitting diode, the at least one thin film transistor is disposed on a backlight side of the light-emitting diode; and each of the plurality of driving units controls the light-emitting diode to be turned on or off according to a driving signal.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: October 4, 2022
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Meilin Wang, Xiaodong Yang, Jiayin Tang, Qiongqin Mao
  • Patent number: 11460810
    Abstract: The present disclosure provides a holographic reproduction device, a holographic reproduction system, and a holographic display system. The holographic reproduction device includes a first light source configured to provide first coherent light; at least one electrically addressed liquid crystal display panel configured to display a holographic interferogram, so that the first coherent light is diffracted when the first coherent light transmits through the holographic interferogram to present a holographic reproduction image. A liquid crystal material of the electrically addressed liquid crystal display panel includes smectic liquid crystal.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: October 4, 2022
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Jin Wang, Changhong Shi, Jiamin Liao, Yao Liu, Wenchang Tao, Zuwen Liu, Zihua Zhuang, Hao Cheng, Hongjiang Wu, Xi Chen
  • Patent number: 11448807
    Abstract: A display substrate, a fine metal mask set and a manufacturing method thereof are provided. The display substrate includes a plurality of repeat units. Each of the plurality of repeat units includes one first-color sub-pixel, one second-color sub-pixel pair and one third-color sub-pixel which are arranged in a first direction, the second-color sub-pixel pair includes two second-color sub-pixels arranging in a second direction. Light-emitting layers of adjacent sub-pixels of two different colors in the first direction are connected with each other; light-emitting layers of the third-color sub-pixel and the second-color sub-pixel which are adjacent to each other in the second direction are connected with each other; and a spacing is disposed between the light-emitting layer of the first-color sub-pixel and the light-emitting layer of at least one of the second-color sub-pixel and the third-color sub-pixel which are adjacent to the first-color sub-pixel in the second direction.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: September 20, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Fengli Ji, Chang Luo, Jianpeng Wu, Lujiang Huangfu
  • Patent number: 11448927
    Abstract: Display device and fabrication method are provided. The display device includes a first substrate and a flexible circuit board. The first substrate includes a step region, first alignment marks, and a base substrate. The step region includes a bonding region and the bonding region includes a plurality of first pads arranged in at least one row along a first direction. The flexible circuit board is bonded in the bonding region and includes second alignment marks. Orthographic projections of the first alignment marks on a plane of the base substrate do not overlap an orthographic projection of the flexible circuit board on the plane of the base substrate, and do not overlap orthographic projections of the second alignment marks on the plane of the base substrate.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 20, 2022
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Zhuan Gao, Xinzhao Liu
  • Patent number: 11448918
    Abstract: Provided are a grating device, a screen including the grating device, a method of manufacturing the screen, and a display apparatus including the screen. The grating device includes a transparent substrate and a diffraction grating arranged on the transparent substrate, the diffraction grating includes a plurality of meta-diffraction patterns, and each meta-diffraction pattern has a curved shape with a center of curvature provided in a direction parallel to the substrate. The screen includes a first polarizer, a second polarizer arranged next to the first polarizer, and a diffraction grating that is transparent to polarized light that has passed through the second polarizer and reflects polarized light having a polarization direction perpendicular to the polarized light, wherein the diffraction grating includes a plurality of meta-diffraction patterns, each meta-diffraction pattern having a curved shape with a center of curvature positioned in a travelling direction of incident light.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: September 20, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., The Board of Trustees of the Leland Stanford Junior University
    Inventors: Sunghoon Lee, Mark L. Brongersma, Brandon Born
  • Patent number: 11448934
    Abstract: An optical device is provided in the present application. The present application provides an optical device capable of varying transmittance, and such optical device can be used for various applications, such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: September 20, 2022
    Inventors: Nam Hun Kim, Seong Min Lee, Byoung Kun Jeon, Su Young Ryu, Jung Woon Kim, Young Shin Lee
  • Patent number: 11448904
    Abstract: A solid-state reflective display panel and a display device are provided. The display panel includes an array substrate and pixel reflection units disposed on the array substrate. Each of the pixel reflection units includes sub-reflection units. Each of the sub-reflection units includes a heating element, a reflecting layer, a resonant cavity and a phase change material layer, stacked in sequence along a direction away from the array substrate. The sub-reflection units include at least a first sub-reflection unit and a second sub-reflection unit that are adjacent to each other. In one of the pixel reflection units, a first surface is a surface of the first sub-reflection unit away from the heating element, and a second surface is a surface of the second sub-reflection unit away from the heating element. An angle between the first surface and the second surface is less than 180 degrees.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: September 20, 2022
    Assignee: Tianma Micro-Electronics Co., Ltd.
    Inventor: Yang Zeng