Patents Examined by Alexander P Gross
  • Patent number: 10985282
    Abstract: To provide a liquid crystal display device suitable for a thin film transistor which uses an oxide semiconductor. In a liquid crystal display device which includes a thin film transistor including an oxide semiconductor layer, a film having a function of attenuating the intensity of transmitting visible light is used as an interlayer film which covers at least the oxide semiconductor layer. As the film having a function of attenuating the intensity of transmitting visible light, a coloring layer can be used and a light-transmitting chromatic color resin layer is preferably used. An interlayer film which includes a light-transmitting chromatic color resin layer and a light-blocking layer may be formed in order that the light-blocking layer is used as a film having a function of attenuating the intensity of transmitting visible light.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: April 20, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Tetsuji Ishitani, Daisuke Kubota
  • Patent number: 10984686
    Abstract: A display device according to one embodiment of the present invention is provided with a plurality of pixels which are arranged as a matrix on a substrate, and each of which is provided with a liquid crystal display element and an organic EL display element. The organic EL display element is provided with a positive electrode and a negative electrode, which are formed so as to be electrically separated from a pixel electrode and a counter electrode of the liquid crystal display element.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: April 20, 2021
    Assignees: SHARP KABUSHIKI KAISHA, SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Masahiro Mitani, Kohzoh Nakamura, Kiyoshi Minoura, Hiroshi Tsuchiya, Yozo Narutaki
  • Patent number: 10976598
    Abstract: A display substrate and a manufacturing method thereof and a display panel. The display substrate includes a display area and a reflective layer, and at least a portion of the reflective layer is in the display area. The reflective layer includes a metasurface facing a display side of the display substrate, and the metasurface includes a plurality of convex structures which have metamaterial properties and are scattered.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: April 13, 2021
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bangran Fu, Xingliang Li, Huabin Chen, Yingqiang Gao, Yongzhi Song
  • Patent number: 10976588
    Abstract: An electronic device includes a cover substrate defining a first surface and a second surface. A polarizer is coupled to the second surface of the cover substrate and an electro-optic element. A light source is coupled to the electro-optic element. A concealment layer extends proximate a perimeter of the electro-optic element. The concealment layer is positioned between the polarizer and the electro-optic element.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: April 13, 2021
    Assignee: GENTEX CORPORATION
    Inventors: Adam R. Heintzelman, Xiaoxu Niu, Andrew D. Weller
  • Patent number: 10962841
    Abstract: A liquid crystal display device in which a plurality of display panels are disposed so as to overlap each other and which displays an image on each of the plurality of display panels. The liquid crystal display device includes a first display panel; and a second display panel disposed so as to overlap the first display panel. The second display panel includes a first substrate on which a source line, a gate line, a thin film transistor, and an organic insulator are formed, a second substrate disposed opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, a first spacer is formed in the first substrate to hold a distance between the first substrate and the second substrate. The first spacer and the organic insulator are made of a positive photosensitive resin.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: March 30, 2021
    Assignees: Panasonic Liquid Crystal Display Co., Ltd., Pasona Knowledge Partner Inc.
    Inventors: Tomohiro Murakoso, Kazuhiko Tsuda, Ikuko Mori
  • Patent number: 10955693
    Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: March 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang Bin Yi, Dong Rak Ko, Sung Ho Kim, Eun Ji Seo, Sung Hun Son, Hee Kyun Shin, Seok Lyul Yoon, Jeong Seok Lee, Sung Wook Jung, Hwan Kyeong Jeong
  • Patent number: 10942365
    Abstract: An object of the present invention is to reduce luminance unevenness caused by interference between a pixel and a PS in a barrier panel without making a design of the PS complicated in a parallax barrier system stereoscopic display device. A plurality of pixels are arranged at a regular pitch in an x direction and a y direction. A light barrier element includes a pair of glass substrates, a liquid crystal layer provided between the glass substrates, and a plurality of PSs provided between the glass substrates. The plurality of PSs are arranged at a regular pitch in the x direction and the y direction. Arrangement pitches of the plurality of PSs in the x direction and the y direction are not integral multiples of arrangement pitches of the plurality of pixels in the x direction and the y direction, respectively.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: March 9, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazunori Okumoto, Akimasa Yuuki
  • Patent number: 10935853
    Abstract: A display cell structure includes a first substrate and a second substrate spaced apart from each other, and a polarizer layer disposed between the two substrates, forming a first cell gaps between the first substrate and the polarizer layer, and a second cell gap between the second substrate and the polarizer layer. A first display structure is disposed in the first cell gap, and a second display structure is disposed in the second cell gap. The first display structure includes a plurality of first signal lines, forming a first signal line pattern. The second display structure includes a plurality of second signal lines, forming a second signal line pattern. The second signal line is different from the first signal line pattern. The polarizer layer may be a wire grid polarizer layer.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: March 2, 2021
    Assignee: A.U. VISTA, INC.
    Inventors: Willem den Boer, Adiel Abileah, Fang-Chen Luo, Seok-Lyul Lee, Tai Kang Wu
  • Patent number: 10921666
    Abstract: An array substrate and a liquid crystal display panel are provided. The array substrate includes sub-pixel groups arranged in an array and each including first and second sub-pixels and a third switch assembly. The first sub-pixel includes a first main-zone electrode, a first sub-zone electrode, and a first switch assembly. The second sub-pixel includes a second main-zone electrode, a second sub-zone electrode, and a second switch assembly. The second switch assembly controls conduction of the second main-zone electrode and the second sub-zone electrode. The third switch assembly is connected to the first and second sub-zone electrodes and controls connection and conduction between the first and second sub-zone electrodes to reduce voltages of the first and second sub-zone electrodes. The array substrate helps reduce the number of switch units involved, simplifies the structure of pixels, lowers down fabrication cost, and also increases an aperture ratio of the liquid crystal display panel.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: February 16, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qiaoqiao Song, Mengmeng Zhang
  • Patent number: 10901281
    Abstract: A transmissive-type liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a base material, a pixel electrode, a light-shielding body, a first insulator that overlaps the light-shielding body in a plan view and is disposed between the base material and the pixel electrode, a second insulator that overlaps the pixel electrode in the plan view and is disposed in contact with the first insulator, and a transmissive lens member that overlaps the pixel electrode in the plan view, is disposed between the base material and the second insulator, and has a surface on the base material side including a convex lens surface. The second insulator has a refractive index greater than a refractive index of the first insulator. A surface of the second insulator on the pixel electrode side includes a concave lens surface.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: January 26, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yutaka Tsuchiya
  • Patent number: 10895791
    Abstract: An active matrix substrate includes first and second gate bus lines each extending in a first direction; first and second source bus lines each extending in a second direction; a pixel electrode; and an auxiliary capacitance bus line. The conductive line branch portions of the auxiliary capacitance bus line include a first conductive line branch portion extending in the second direction, a second conductive line branch portion extending in a direction opposite to the first conductive line branch portion, a third conductive line branch portion extending in the second direction, and a fourth conductive line branch portion extending in a direction opposite to the third conductive line branch portion. In the first direction, one of the first and second conductive line branch portions has a longer length than the other, and one of the third and fourth conductive line branch portions has a longer length than the other.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: January 19, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Ryohki Itoh
  • Patent number: 10895788
    Abstract: The present application discloses a display panel and a display, wherein a conductive particle is sandwiched between a first substrate and a second substrate of the display panel, and a non-display region on the second substrate is arranged with a plurality of metal traces; the conductive particle is accommodated in a hollow hole on the escape region formed by the metal trace, and one end of the conductive particle is disposed on an adhesive dispensing region formed by the metal trace, and the other end is abutted against the first substrate.
    Type: Grant
    Filed: January 13, 2019
    Date of Patent: January 19, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Shishuai Huang
  • Patent number: 10877324
    Abstract: A liquid crystal display includes a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode facing the pixel electrode, and a liquid crystal layer formed between the pixel electrode and the common electrode and including a plurality of liquid crystal molecules. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mee-Hye Jung, Ji-Won Sohn, Jae-Jin Lyu, Chong-Chui Chai
  • Patent number: 10866442
    Abstract: Curved, arcuately-bonded liquid-crystal cells that include substrates held together by an edge adhesive cured after the substrates were bent into a congruently curved configuration; methods of making such cells; and, switchable shutters and automatic darkening filters that include such cells.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: December 15, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Kristina M. Magnusson, Louise L. M. Madsen, Larissa Zuravskaja, Kenneth Jarefors
  • Patent number: 10866468
    Abstract: The present disclosure relates to display substrate, display panel, and method for preparing the same. The display substrate comprises: a base substrate; and a common electrode on the base substrate, the common electrode having a hollowed-out portion corresponding to a signal line, wherein the signal line includes at least one of a gate line and a data line. The overlapping area of the common electrode and the signal line can be reduced, the load of the substrate can be reduced, such that the power consumption of the LCD panel can be reduced.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: December 15, 2020
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shiqiang Huang, Wei Xue
  • Patent number: 10866441
    Abstract: According to one embodiment, a liquid crystal display device comprises a first substrate including a sub-pixel, a second substrate opposed to the first substrate, and a liquid crystal layer between the first substrate and the second substrate. The first substrate comprises a pixel electrode which is disposed in the sub-pixel and to which a first voltage is supplied, a common electrode including a first electrode and a second electrode arranged in a first direction in the sub-pixel, a first switching element connected to the pixel electrode, and a second switching element connected to the second electrode.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: December 15, 2020
    Assignee: Japan Display Inc.
    Inventor: Jin Hirosawa
  • Patent number: 10859740
    Abstract: An optical element includes a plurality of stacked birefringent sublayers, such as liquid crystal sublayers, configured to alter a direction of propagation of light passing therethrough according to the Bragg condition. The stacked birefringent sublayers respectively include local optical axes that vary along respective interfaces between adjacent ones of the stacked birefringent sublayers to define respective grating periods. The respective thicknesses of the stacked birefringent sublayers may be less than a wavelength of the light. Related apparatus and methods of operation are also discussed.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: December 8, 2020
    Assignee: IMAGINEOPTIX CORPORATION
    Inventors: Michael J. Escuti, D. Jason Kekas, Ravi K. Komanduri
  • Patent number: 10859862
    Abstract: A display apparatus includes a back plate, a plurality of first magnetic components, a display module and second magnetic components. The back plate has a bottom wall and a carrying portion. The carrying portion is connected to the bottom wall and located at a periphery of the bottom wall. A plurality of first magnetic components is disposed on the carrying portion. The display module includes a first substrate. The carrying portion supports an edge of the first substrate. The second magnetic components are disposed to the edge of the first substrate and disposed oppositely to the first magnetic components respectively. The first magnetic components and the second magnetic components are coupled to each other by a magnetic force.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: December 8, 2020
    Assignee: Coretronic Corporation
    Inventor: Jeng-Bin Hsu
  • Patent number: 10816853
    Abstract: A backlight module is provided. The backlight module includes a substrate; a plurality of light emitting elements disposed on the substrate; an optical film disposed on the plurality of light emitting elements; a plurality of light mixing microstructures disposed on the optical film, positions of the light mixing microstructures corresponding to positions of the plurality of light emitting elements; and a plurality of concentrating microstructures correspondingly disposed on the plurality of light mixing microstructures, wherein positions of the plurality of concentrating microstructures correspond to the positions of the plurality of light emitting elements. A liquid crystal display (LCD) device including the backlight module is also provided.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: October 27, 2020
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yong Yang
  • Patent number: 10803775
    Abstract: A display apparatus according to one embodiment comprises pixels each comprising a liquid crystal display element (LC element) and an organic EL display element (EL element). The EL element comprises an anode and a cathode electrically separated from each electrode of the LC element. Each pixel comprises a first transistor which changes the magnitude of a current flowing through the EL element based on the potential of a first bus line; a second transistor which electrically separates the first bus line and the LC element; and a third transistor which electrically connects the first and second transistor with the first bus line. A method for driving a display device according to one embodiment reduces the potential difference between the pixel electrode and the counter electrode before turning off the second transistor during switching from display by the LC element to display by the EL element.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: October 13, 2020
    Assignees: SHARP KABUSHIKI KAISHA, SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Masahiro Mitani, Kohzoh Nakamura, Kiyoshi Minoura, Hiroshi Tsuchiya, Yozo Narutaki