Patents Examined by Sang V Nguyen
  • Patent number: 11709398
    Abstract: According to one embodiment, a liquid crystal display device includes first and second substrates and a liquid crystal layer. The first substrate includes scanning line extending in a first direction, signal line extending in a second direction, pixel electrodes including and a common electrode. The common electrode includes sub-electrodes extending in the first or second direction. Each of the sub-electrodes includes a first portion having a width greater than the scanning or signal line, and a second portion having a width less than the first portion but greater than the scanning or signal line. The first and second portions are alternately arranged along a direction in which the sub-electrodes extend.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: July 25, 2023
    Assignee: Japan Display Inc.
    Inventors: Kyosuke Watanabe, Yuji Maede
  • Patent number: 11703735
    Abstract: According to one embodiment, a display device includes a light-emitting element, a first substrate including a first transparent substrate, a first pixel electrode, and a second pixel electrode, a second substrate including a second transparent substrate including a side surface opposing the light-emitting element and a common electrode overlapping the first pixel electrode and the second pixel electrode and a liquid crystal layer provided between the first substrate and the second substrate and containing a polymer and liquid crystal molecules, and the first pixel electrode is provided between the light-emitting element and the second pixel electrode, and an electrode area of the first pixel electrode is smaller than that of the second pixel electrode.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: July 18, 2023
    Assignee: Japan Display Inc.
    Inventor: Kentaro Okuyama
  • Patent number: 11703727
    Abstract: According to one embodiment, a display device includes a first line extending in a first direction, an insulating layer covering the first line, a second line disposed on the insulating layer and extending in a second direction, and a drive circuit including an output line extending in the first direction and connected to the first line through a contact portion. The contact portion includes a first portion to which the first line is connected at a first position, and a second portion to which the output line is connected at a second position which is apart from the first position in the second direction, the second portion facing the first portion with the insulating layer interposed therebetween while being electrically connected to the first portion.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: July 18, 2023
    Assignee: Japan Display Inc.
    Inventor: Akira Yokogawa
  • Patent number: 11703734
    Abstract: A display panel includes an array substrate, a color filter substrate, and a liquid crystal layer. The array substrate includes a scan line and a data line; a pixel electrode disposed corresponding to a pixel area; a first thin film transistor configured to electrically connect the pixel electrode to the scan line and the data line; an auxiliary electrode disposed on a same layer as the pixel electrode and arranged around the pixel electrode; and a second thin film transistor configured to electrically connect the auxiliary electrode to the first thin film transistor. Potential received by the pixel electrode and potential received by the auxiliary electrode have a difference.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: July 18, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Yoonsung Um, Chuwei Liang
  • Patent number: 11698543
    Abstract: The present disclosure discloses a dimming method for a dimming glass, including: in response to a dimming level selected from a user, obtaining a light transmittance value corresponding to the selected dimming level according to a corresponding relationship between dimming levels and actual light transmittance of the dimming glass; obtaining a dimming voltage value corresponding to the light transmittance value according to a corresponding relationship between the actual light transmittance and dimming voltages of the dimming glass; and adjusting a voltage applied to the dimming glass to the obtained dimming voltage value, wherein the corresponding relationship between the dimming levels and the actual light transmittance of the dimming glass is dividing an adjustable range of the actual light transmittance of the dimming glass to obtain the actual light transmittance corresponding to different dimming levels. The present disclosure improves dimming effect of dimming glass.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: July 11, 2023
    Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guo Liu, Chen Meng, Zhong Hu, Jiarong Liu, Qinhao Piao, Yutao Tang, Xiantao Liu, Binbin Liu
  • Patent number: 11698551
    Abstract: The present disclosure provides a polarizer. The polarizer includes: a substrate provided with a first surface and a second surface that are opposite to each other; and a first triacetyl cellulose (TAC) film, a polyvinyl acetate (PVA) film and a second TAC film that are provided on the first surface of the substrate, where at least one of the first surface and the second surface of the substrate is further provided with a transparent conductive layer, which forms a touch electrode. The present disclosure further provides a touch-sensitive liquid crystal display (LCD) panel and module using the polarizer. The polarizer provided by the present disclosure can reduce the thicknesses of the touch-sensitive LCD panel and module, and simplify their production processes.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: July 11, 2023
    Assignee: BEIJING ZENITHNANO TECHNOLOGY CO., LTD.
    Inventors: Youzhi She, Shudong Zhong
  • Patent number: 11693278
    Abstract: Provided are a liquid crystal diffraction element which exhibits low scattering and high sharpness of diffracted light, and a method for producing the same.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: July 4, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Yukito Saitoh, Keisuke Kodama, Hiroshi Sato, Katsumi Sasata
  • Patent number: 11686969
    Abstract: A jagged display effect may be ameliorated by processing an edge of the display into an arc shape, thereby improving display quality. Display units in the color filter substrate are in a one-to-one correspondence with pixel units in the display. A plurality of display units corresponding to a corner area of the display include a ribbon area including K display units. A target boundary line that is of the ribbon area and that is away from the center of the color filter substrate is jagged, and K?2. In the ribbon area, a light transmittance of a first display unit close to the target boundary line is less than a light transmittance of a second display unit away from the target boundary line. The ribbon area comprises Q transition layers disposed along the target boundary line.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: June 27, 2023
    Assignee: HONOR DEVICE CO., LTD.
    Inventors: Chuanbin Geng, Guangnan Xiao, Wenbing Li
  • Patent number: 11686985
    Abstract: Some of a plurality of image signal lines of a display apparatus according to one embodiment includes: a plurality of bypass wiring portions (bypass wirings) arranged in a frame region so as to have both ends being connected to a plurality of extension wiring portions (extension wirings). The plurality of bypass wiring portions of the plurality of image signal lines include: a plurality of second-layer bypass wirings arranged in a second conductive layer; and a plurality of third-layer bypass wirings arranged in a third conductive layer that is different from a first conductive layer and the second conductive layer. Each of an arrangement pitch between the plurality of second-layer bypass wirings and an arrangement pitch between the plurality of third-layer bypass wirings is smaller than an arrangement pitch between the plurality of image signal lines in a display region.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: June 27, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventor: Hirotaka Hayashi
  • Patent number: 11681190
    Abstract: An array substrate and a display panel are provided. The array substrate includes a base substrate, a plurality of data lines, and a plurality of color resists. A bending unit is provided on the data line, so that an edge of a portion where the color resist covers the bending unit does not overlap with the data line, and thus is conducive for an external device to monitor an actual width of the portion where the color resist covers the bending unit.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: June 20, 2023
    Inventor: Ping Luo
  • Patent number: 11681191
    Abstract: A display device includes a first pixel electrode having a first strip electrode and a second strip electrode, a second pixel electrode having a third strip electrode and a fourth strip electrode disposed in the second main pixel, and a light-shielding layer overlapping the first strip electrode. The light-shielding layer has a first opening exposing the second strip electrode, and a second opening exposing the third strip electrode and the fourth strip electrode. A size of the first opening is less than a size of the second opening. A width of the second strip electrode is less than a width of the first strip electrode.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: June 20, 2023
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11681189
    Abstract: A display device including a gate line and a storage line arranged in a first direction, a data line and a partial voltage reference line arranged in a second direction crossing the first direction, a first TFT, a second TFT, and a third TFT each including a drain electrode and a source electrode, a color filter disposed on the first, second, and third TFTs and including a first via hole exposing the source and drain electrodes of the third TFT, and an insulating layer disposed on the color filter and including a first contact hole exposing the storage line and a second contact hole exposing the drain electrode of the third TFT, in which the first and second contact holes are disposed in the first via hole when viewed in plan.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: June 20, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Yeong Park, Seul Bee Lee, Soo Hong Cheon
  • Patent number: 11676973
    Abstract: A display device includes a substrate, a transistor, a first insulating layer, a transfer pad, a second insulating layer, and a pixel electrode. The transistor is disposed on the substrate and includes a drain. The first insulating layer is disposed on the transistor and includes a first contact hole. The transfer pad is disposed on the first insulating layer and contacts the drain through the first contact hole. The transfer pad is filled into a bottom of the first contact hole to form a first contact region. The second insulating layer is disposed on the transfer pad and includes a second contact hole. A bottom of the second contact hole exposes part of the transfer pad to form a second contact region. The pixel electrode is disposed on the second insulating layer and contacts the transfer pad through the second contact hole.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: June 13, 2023
    Assignee: Innolux Corporation
    Inventors: Ming-Jou Tai, Chia-Hao Tsai
  • Patent number: 11675223
    Abstract: A display device includes a plurality of light emitting units and a light adjusting layer disposed on the light emitting units. The light adjusting layer includes at least one light adjusting structure, and one light adjusting structure is corresponding to at least three of the light emitting units. The display device provides a sum of viewing-angles of a first number of the light emitting units when the first number of the light emitting units is turned on, and the display device provides a sum of viewing-angles of a second number of the light emitting units when the second number of the light emitting units is turned on. The first number is less than the second number, and the sum of viewing-angles of the first number of the light emitting units is less than the sum of viewing-angles of the second number of the light emitting units.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: June 13, 2023
    Assignee: InnoLux Corporation
    Inventors: Hao-Yu Liou, Chih-Yung Hsieh, Toshihiko Araki, Chung-Kuang Wei, Li-Wei Sung
  • Patent number: 11675240
    Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: June 13, 2023
    Assignee: Japan Display Inc.
    Inventors: Daisuke Ito, Hideyuki Omori
  • Patent number: 11675241
    Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: June 13, 2023
    Assignee: Japan Display Inc.
    Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
  • Patent number: 11676972
    Abstract: A display device includes a first transistor. The first transistor includes an oxide semiconductor layer, a first gate electrode facing the oxide semiconductor layer and a gate insulating layer between the oxide semiconductor layer and the first gate electrode. The first gate electrode has hydrogen storage properties.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: June 13, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshitaka Ozeki, Satoshi Tokura
  • Patent number: 11668986
    Abstract: An array substrate is provided. One of a first electrode layer and a second electrode layer in the array substrate includes at least one slit electrode. The slit electrode is disposed between two adjacent data leads in the array substrate, and includes an electrode connecting portion and a plurality of first strip-shaped sub-electrodes. The electrode connecting portion includes a first connecting section parallel to and adjacent to the data lead. A width of the first strip-shaped sub-electrode gradually decreases along a direction going away from the first strip-shaped sub-electrode, and a distance between two adjacent first strip-shaped sub-electrodes in a direction parallel to an extending direction of the first connecting section gradually increases along the direction going away from the first connecting section.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: June 6, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zheng Fang, Pengxia Liang, Ge Shi, Song Yang, Yujie Liu, Jiahui Han, Yanliu Sun, Hyunsic Choi, Hongpeng Li
  • Patent number: 11668981
    Abstract: The disclosure provides a display device including a first display panel and a second display panel. The second display panel is disposed above the first display panel. The first display panel includes a first pixel unit. The first pixel unit includes a first sub-pixel and a second sub-pixel, where the first sub-pixel and the second sub-pixel are connected in parallel. The display device of the disclosure has better yield.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: June 6, 2023
    Assignee: Innolux Corporation
    Inventor: Meng-Chang Hung
  • Patent number: 11668604
    Abstract: Embodiments of the present disclosure include apparatuses and method for stacked polarizer imaging. In a number of embodiments, a method can include activating a first polarization layer of a plurality of polarization layers, detecting a first image with an array of pixels from a light source input that is polarized when passed through the first polarization layer, and determining, via a controller coupled to the array of pixels, whether a quality of the first image that was polarized by the first polarization layer meets a threshold. A stacked polarizer can include a plurality of polarizers that are stacked upon each other such that a light source input can be passed through the stack of polarizers and be detected by a pixel of an image sensor cell. Each of the polarizers in the stack of polarizers can be individually activated and deactivated.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: June 6, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Zahra Hosseinimakarem