Patents Examined by Thoi V. Duong
  • Patent number: 11037962
    Abstract: The present invention provides a thin-film transistor array substrate that prevents semiconductor layers of thin-film transistor elements from having step disconnection even when the frame width is reduced. The thin-film transistor array substrate of the present invention includes a thin-film transistor element in a pixel region and a terminal in a terminal region. The thin-film transistor array substrate sequentially includes a support, an insulating layer, a gate electrode, a gate insulating layer, and a semiconductor layer in a cross-sectional view of the pixel region. A region with the insulating layer encompasses a region with the semiconductor layer in a plan view of the pixel region. The thin-film transistor array substrate sequentially includes the support, a lead line extending from the terminal, and the insulating layer in a cross-sectional view of the terminal region.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: June 15, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tatsuya Kawasaki, Hideki Kitagawa, Yoshihito Hara, Masaki Maeda, Toshikatsu Itoh, Hajime Imai, Tohru Daitoh
  • Patent number: 11036096
    Abstract: A transverse electric field type liquid crystal display panel includes a pair of substrates opposed with a liquid crystal layer interposed therebetween. A plurality of sub-pixels having at least one curved portion in a display area are provided in a matrix on one side of the pair of substrates, and a pair of electrodes having at least one curved portion are formed in the plurality of sub-pixels. A light shield layer shielding a non-display area positioned on an outer peripheral side of the display area and between the plurality of sub-pixels is formed on the other side of the pair of substrates. The light shield layer of the non-display area is formed in a shape in which the outermost peripheral side of the display area is rectangular.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: June 15, 2021
    Assignee: Japan Display Inc.
    Inventor: Akio Ota
  • Patent number: 11029547
    Abstract: A display device is disclosed. The display device includes a first substrate, a frame positioned in the rear of the first substrate, a second substrate opposite the first substrate and positioned between the first substrate and the frame, the second substrate having an area less than an area of the first substrate, and a member layer electrically connected to the first substrate and extended toward the frame.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: June 8, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyojin Won, Yongho Lee
  • Patent number: 11029557
    Abstract: An object of the present invention is to provide is an optical laminate film exhibiting excellent reflection tint and an organic EL display device using this optical laminate film and exhibiting excellent reflection tint when turned off. The object is achieved by providing an optical laminate film including a polarizer, a phase difference layer, and a circularly polarized light separating layer in this order, in which an in-plane retardation Re(550) of the phase difference layer is 120 to 160 nm, the polarizer and the phase difference layer are arranged to form an angle of 45°±10°, the circularly polarized light separating layer is a cholesteric liquid crystal layer formed by fixing a cholesteric liquid crystalline phase and having a liquid crystalline molecule as a main component, and Re(550) is 0.5 to 3.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: June 8, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Shinichi Yoshinari, Ayako Muramatsu, Naoya Shibata, Kunihiro Atsumi, Daisuke Kashiwagi
  • Patent number: 11016334
    Abstract: A display device includes a display panel including an opening through which no display light is emitted, and a polarizer provided on a back face side of the display panel, the polarizer including an opening at a position overlapping the opening, and a light source, in which at least a side face at the opening is inclined at an acute angle with respect to the display panel.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: May 25, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Jin Nakamura
  • Patent number: 11016594
    Abstract: A touch sensing type liquid crystal display device includes an array substrate includes a first substrate, a common electrode, a pixel electrode, and a touch sensing unit; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including an organic material and a carbon nano-tube; and a liquid crystal layer between the first substrate and an inner side of the second substrate.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: May 25, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Kum-Mi Oh, Jin-Wuk Kim, Sung-Hee Kim
  • Patent number: 11016352
    Abstract: An electro-optical device includes a pixel electrode group including a first pixel electrode and a second pixel electrode, a layered body including a plurality of insulating layers, a first transistor, and a second transistor, a lens layer including a first lens overlapping with the first pixel electrode and a second lens overlapping with the second pixel electrode, a first contact that electrically couples the first transistor and the first pixel electrode, and a second contact that electrically couples the second transistor and the second pixel electrode. The layered body, the lens layer, and the pixel electrode group are arranged in this order. Each of the first lens and the second lens, and the layered body are disposed with a space interposed therebetween layered body, and each of the first contact and the second contact extends through the lens layer and the space.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: May 25, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Satoshi Ito
  • Patent number: 11016322
    Abstract: A method for attaching display panel comprises: preparing a frame-shaped body comprising a first rod-like member and two second rod-like members, the two second rod-like members being substantially parallel to each other and crossing the first rod-like member; bonding the first rod-like member and the two second rod-like members to a given plane surface or a given curved surface; and moving a display panel having a width to be supported between the two second rod-like members from one of the ends of two second rod-like members towards the first rod-like member along a first surface of the two second rod-like members and a second surface of the two second rod-like members, the first surface and the second surface facing each other.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: May 25, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11016308
    Abstract: An optical display device includes a coherent light source generating a coherent light beam in visible, ultraviolet, or infrared ranges. The coherent light beam is directed at a liquid crystal component. A plurality of liquid crystals and a plurality of nanoparticles having an average diameter of ?about 450 nm are disposed in an interior compartment. An electrical source is in electrical communication with the first and the second electrodes. When no voltage or current is applied, a filtered light beam transmitted or reflected from the liquid crystal component exhibits a first speckle contrast ?about 0.28. When voltage or current is applied, the microparticles are induced to move and the filtered light beam has a second speckle contrast that is ?about 0.2 and in certain aspects may be ?about 0.03. A method of reducing speckle in an optical device having a coherent light source is also provided.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 25, 2021
    Assignees: GM GLOBAL TECHNOLOGY OPERATIONS LLC, KENT STATE UNIVERSITY
    Inventors: Kai-Han Chang, John Harden, Liang-Chy Chien
  • Patent number: 11002984
    Abstract: A stereoscopic display apparatus is disclosed. In the stereoscopic display apparatus, each unit pixel of a display panel includes a first transparent region. A barrier panel on the display panel may include second transparent regions overlapping with the first transparent region of each unit pixel. Thus, in the stereoscopic display apparatus, the transparency may be improved without the quality deterioration of a stereoscopic image.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 11, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Dong-Yeon Kim, Wook Jeon, Hee-Jin Im, Yong-Ku Lee, Ju-Hoon Jang, You-Yong Jin, Woon-Chan Moon
  • Patent number: 11003004
    Abstract: A method for attaching display panel comprises: preparing a frame-shaped body comprising a first rod-like member and two second rod-like members, the two second rod-like members being substantially parallel to each other and crossing the first rod-like member; bonding the first rod-like member and the two second rod-like members to a given plane surface or a given curved surface; and moving a display panel having a width to be supported between the two second rod-like members from one of the ends of two second rod-like members towards the first rod-like member along a first surface of the two second rod-like members and a second surface of the two second rod-like members, the first surface and the second surface facing each other.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: May 11, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 10996510
    Abstract: The planar lighting device includes: a light source; and a brightness homogenizing member that has a laminate structure including high refractive index layers and low refractive index layers, and a light incidence portion that allows light emitted from each of the plurality of point light sources to be incident into the high refractive index layers is provided at a position of the laminate structure facing the point light source. The light incidence portion is formed of a hollow portion that is provided across the two or more high refractive index layers included in the laminate structure to penetrate at least one high refractive index layer and has a function of allowing the light to be incident into the high refractive index layers, and each of the high refractive index layers includes a light extraction mechanism that is provided at a position spaced apart from the light incidence portion.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: May 4, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Naoyoshi Yamada, Yukito Saitoh
  • Patent number: 10989974
    Abstract: It is an object to provide a liquid crystal display device which has excellent viewing angle characteristics and higher quality. The present invention has a pixel including a first switch, a second switch, a third switch, a first resistor, a second resistor, a first liquid crystal element, and a second liquid crystal element. A pixel electrode of the first liquid crystal element is electrically connected to a signal line through the first switch. The pixel electrode of the first liquid crystal element is electrically connected to a pixel electrode of the second liquid crystal element through the second switch and the first resistor. The pixel electrode of the second liquid crystal element is electrically connected to a Cs line through the third switch and the second resistor. A common electrode of the first liquid crystal element is electrically connected to a common electrode of the second liquid crystal element.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: April 27, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 10989945
    Abstract: A privacy glazing structure may include an electrically controllable optically active material that provides controlled transition between a privacy or scattering state and a visible or transmittance state. To make electrical connections with electrode layers that control the optically active material, the privacy glazing structure may include electrode engagement regions. In some examples, the electrode engagement regions are formed as notches in peripheral edges of opposed panes bounding the optically active material. The notches may or may not overlap to provide a through conduit in the region of overlap for wiring. In either case, the notches may allow the remainder of the structure to have a flush edge surface for ease of downstream processing.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: April 27, 2021
    Assignee: Cardinal IG Company
    Inventors: Eric Berner, Eric Bjergaard, Timothy Braun, Andrew DeMiglio, Chad Peters
  • Patent number: 10989840
    Abstract: Embodiments described herein relate to nanostructured trans-reflective filters having sub-wavelength dimensions. In one embodiment, the trans-reflective filter includes a film stack that transmits a filtered light within a range of wavelengths and reflects light not within the first range of wavelengths. The film stack includes a first metal film disposed on a substrate having a first thickness, a first dielectric film disposed on the first metal film having a second thickness, a second metal film disposed on the first dielectric film having a third thickness, and a second dielectric film disposed on the second metal film having a fourth thickness.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: April 27, 2021
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Tapashree Roy, Rutger Meyer Timmerman Thijssen, Robert Jan Visser
  • Patent number: 10983399
    Abstract: A method for manufacturing a liquid crystal display device including a display panel provided with a first substrate, a second substrate, and liquid crystal, the method comprises: a first irradiation step of irradiating first positions of a first glass plate and a second glass plate with a laser beam having first irradiation energy; a second irradiation step of irradiating second positions of the first glass plate and the second glass plate with the laser beam having second irradiation energy higher than the first irradiation energy; and an etching step of exposing the display panel to an etching solution after the first irradiation step and the second irradiation step, such that the first positions are not cleaved, the second positions are cleaved, and at least a part of an outer periphery of each of the first substrate and the second substrate is formed.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: April 20, 2021
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Kazuhiko Tsuda, Yoshiki Watanabe, Norimichi Shirai
  • Patent number: 10976606
    Abstract: A display device includes: a display panel; a housing that comprises a front face in which the display panel is disposed; a light source unit that is disposed on an inner surface of the housing, and comprises a light source and an optical lens covering the light source; an attenuating plate that is disposed between the light source unit and the display panel, and attenuates an intensity of light irradiated from the light source unit, the light passing through the attenuating plate toward the display panel; and a reflection plate that reflects the light having passed through the attenuating plate toward the display panel.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: April 13, 2021
    Assignee: Funai Electric Co., LTD.
    Inventor: Seiji Takemoto
  • Patent number: 10962840
    Abstract: A photoalignment method includes photoaligning a first liquid crystal cell and using the photoaligned first liquid crystal cell as a mask in the photoalignment of a second liquid crystal cell. The method may increase spatial dynamic range or decrease pitch.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: March 30, 2021
    Assignee: Kent State University
    Inventors: Hiroshi Yokoyama, Mengfei Wang
  • Patent number: 10948757
    Abstract: A display device to be set in a position at an angle to a horizontal plane includes a display pane, a frame, and a tape. The display panel is configured to display images. The frame includes a frame portion surrounding a display area of the display panel. The tape is disposed between the display panel and the frame portion. The tape includes segments disposed along the frame portion. The segments include a lower segment extending along a lower section of the frame portion including end portions bending toward an upper section of the frame portion when the display device is set at the angle to the horizontal plane.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: March 16, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Koshu Yonemura
  • Patent number: 10948758
    Abstract: A method for attaching display panel comprises: preparing a frame-shaped body comprising a first rod-like member and two second rod-like members, the two second rod-like members being substantially parallel to each other and crossing the first rod-like member; bonding the first rod-like member and the two second rod-like members to a given plane surface or a given curved surface; and moving a display panel having a width to be supported between the two second rod-like members from one of the ends of two second rod-like members towards the first rod-like member along a first surface of the two second rod-like members and a second surface of the two second rod-like members, the first surface and the second surface facing each other.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: March 16, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Katsuhiko Kishimoto