Patents Examined by Thanh-Nhan P Nguyen
  • Patent number: 9709837
    Abstract: An electro-optical devices includes: a first substrate; a second substrate having one surface opposite to the first substrate; a support member configured to hold the first and second substrates with the second substrate located outside the first substrate, and to include a frame portion surrounding the first and second substrates; a first conductive film formed on the other surface of the second substrate; and a conductor layer placed between the frame portion and the first and second substrates, and electrically connected to the first conductive film. The first conductive film is held at a constant potential via the conductor layer.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: July 18, 2017
    Assignee: Japan Display Inc.
    Inventor: Yasunori Onishi
  • Patent number: 9703131
    Abstract: The present disclosure provides a method for manufacturing a liquid crystal panel motherboard, comprising providing materials that can form projections on a margin area of at least one of two substrates of the liquid crystal panel motherboard, and then fitting said two substrates to each other, so that the margin area of said at least one of the two substrates cannot be fit to a corresponding margin area of the other substrate seamlessly. The present disclosure also provides a method for cutting a liquid crystal panel motherboard, and a liquid crystal panel obtained from the liquid crystal motherboard.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: July 11, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tao Ma, Tao Song, Ming Liu, Guodong Zhao
  • Patent number: 9696577
    Abstract: According to one embodiment, a reflective type liquid crystal display device provided can suppress light leakage into a thin film transistor due to entry of extraneous light. An array substrate includes a glass substrate, a plurality of thin film transistors, a plurality of pixel electrodes, and a metal film. The plurality of thin film transistors are provided to the glass substrate. The plurality of pixel electrodes are spaced apart from each other and driven by the thin film transistors. The plurality of pixel electrodes reflect extraneous light entering the reflective type display device from a counter substrate side. The metal film is provided between a gap between the pixel electrodes and each of the thin film transistors.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: July 4, 2017
    Assignee: Japan Display Inc.
    Inventors: Muneharu Akiyoshi, Kisako Ninomiya, Yasushi Kawata, Hirotaka Hayashi, Arichika Ishida
  • Patent number: 9698174
    Abstract: An array substrate includes a base substrate including a display area and a peripheral area adjacent to the display area, a gate line extending in a first direction, a data line extending in a second direction crossing the gate line, a switching element electrically connected to the gate and data lines, a color filter pattern and a dummy color pattern in the display and peripheral areas, respectively, a pixel electrode on the color filter pattern, and a light blocking pattern including a black matrix pattern partially overlapping the color filter pattern and a black boundary pattern overlapping the dummy color pattern. The black boundary pattern covers the peripheral area and includes a first portion which overlaps the dummy color pattern and a second portion which does not overlap the dummy color pattern. A cross-sectional thickness of the first portion is smaller than that of the second portion.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Hun Kwak, Chul Huh
  • Patent number: 9671638
    Abstract: A high-accuracy in-cell touch panel structure of narrow border includes an upper substrate, a lower substrate, a liquid crystal layer configured between the upper and lower substrates, a thin film transistor layer, a sensing electrode layer, and a black matrix layer. The thin film transistor layer includes a plurality of gate lines, a plurality of source lines, and a plurality of first conductor line units arranged in a first direction. The sensing electrode layer includes plural second conductor line units and plural connection lines arranged in a second direction. The plurality of first conductor line units and the plurality of second conductor line units form a sensing touch pattern structure for sensing an approaching external object. The plurality of first conductor line units and the plurality of second conductor line units are disposed corresponding to positions of the plurality of gate lines and the plurality of source lines.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: June 6, 2017
    Assignee: SUPERC-TOUCH CORPORATION
    Inventor: Hsiang-Yu Lee
  • Patent number: 9671650
    Abstract: The present invention provides a method for manufacturing a liquid crystal display device capable of suppressing display unevenness around a seal in the case of performing PS treatment on a horizontal alignment film formed from a photoactive material. The method for manufacturing a liquid crystal display device of the present invention includes the steps of: forming a horizontal alignment film containing a photoactive material on at least one substrate of a pair of substrates; dropping a liquid crystal composition containing a liquid crystal material and a monomer on one of the pair of substrates, the monomer being contained in an amount of 1.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: June 6, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Isamu Miyake, Koichi Miyachi, Yuko Teraoka
  • Patent number: 9671649
    Abstract: A phase modulator for polarized light, comprising a first substrate with a first surface and a second substrate with a second surface, a liquid crystal layer between the two substrates and an electrode arrangement. The phase modulator is usable as a variable deflection grating, and liquid crystal materials which are currently conventional are usable for its production. A phase modulator has an out-of-plane angle of the liquid crystal molecules next to the two surfaces whose magnitude is greater than 0 but less than or equal to 45 degrees, and an electrode arrangement controllable such that an in-plane component of the liquid crystal molecule orientation is adjustable in an angle range of up to 180 degrees, and the rotation sense of the liquid crystal molecules next to the first surface is opposite to the rotation sense of the liquid crystal molecules next to the second surface.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: June 6, 2017
    Assignee: SEEREAL TECHNOLOGIES S.A.
    Inventor: Norbert Leister
  • Patent number: 9671630
    Abstract: Provided is a display device with a simplified configuration. The display device includes a display panel, a panel guide, a backlight unit, a front cover, and a back cover. The panel guide supports the display panel. The backlight unit emits light to the display panel. The front cover encloses an outer surface of the display panel. The backlight unit is stored in the back cover. The front cover includes a fixing portion formed thereon projecting toward the back cover, and the back cover includes a supporting portion projecting toward the backlight unit, to fix the front cover to the back cover.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: June 6, 2017
    Assignee: LG Display Co., Ltd.
    Inventor: Cheong Hwa Jeong
  • Patent number: 9664958
    Abstract: A display device includes a display panel including a display surface defined by first and second directional axes perpendicular to each other, a first polarizer disposed on the display panel and having a first optical axis parallel to the first directional axis, a liquid crystal lens including lower electrodes disposed on the first polarizer and extending in a third directional axis crossing the first directional axis, an upper electrode spaced apart from the lower electrodes, and a liquid crystal layer disposed between the lower electrodes and the upper electrode and aligned between a lower alignment axis and an upper alignment axis, and a second polarizer disposed on the liquid crystal lens and having a second optical axis parallel to the first directional axis, where the lower alignment axis is defined between the first directional axis and the third directional axis on the display surface.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunseung Seo, Seung Jun Jeong, Jinhwan Kim, Yoonkyung Park
  • Patent number: 9658483
    Abstract: A liquid crystal lens includes a first substrate, a second substrate which faces the first substrate, a liquid crystal layer which is interposed between the first substrate and the second substrate and a lens polarizer which is disposed on the outside of the second substrate. The lens polarizer includes a first polarization region having a first polarization direction and a second polarization region having a second polarization direction which is different from the first polarization direction.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Seung Seo, Jin Hwan Kim, Seung Jun Jeong
  • Patent number: 9658492
    Abstract: A display panel is disclosed, which comprises: a first substrate with plural sub-pixel units disposed thereon; a first photo-alignment layer disposed on the first substrate and having at least two different alignment directions corresponding to one sub-pixel unit; and plural metal pads respectively corresponding to the sub-pixel units. When light passes through each sub-pixel, a dark line pattern is exhibited, comprising: a first main dark line disposed at an interface between two different alignment directions of the first photo-alignment layer; and a metal pad pattern corresponding to the metal pad and the first main dark line. Herein, a distance difference between an edge of the first dark line and an edge of the metal pad pattern at the same side is not identical to that between another edge of the first dark line and another edge of the metal pad pattern at another same side.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: May 23, 2017
    Assignee: INNOLUX CORPORATION
    Inventors: Jung-Jui Kang, Bo-Chin Tsuei, Ming-Chien Sun
  • Patent number: 9651830
    Abstract: In a first substrate, a first organic insulating film is arranged in an active area, and includes a first surface and a first concave portion in a peripheral area outside the active area. The first concave portion is located more close to a substrate end side than the first surface. In a second substrate, a shield layer is arranged in the peripheral area facing the first substrate. A second organic insulating film includes a second surface facing the first surface and a second concave portion facing the first concave portion. The second organic insulating film overlaps the shield layer in the peripheral area. A pillar-shaped spacer is arranged between the first surface and the second surface in the peripheral area. A seal material contains the pillar-shaped spacer and is arranged between the first surface and the second surface, and between the first concave portion and the second concave portion.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: May 16, 2017
    Assignee: Japan Display Inc.
    Inventor: Atsuko Oono
  • Patent number: 9638969
    Abstract: A liquid crystal display (LCD) panel, a manufacturing method thereof and a display device are provided. The LCD panel includes an array substrate and a color filter substrate which are cell-assembled. Liquid crystals are filled between the array substrate and the color filter substrate. A sealant is disposed between peripheral areas of the array substrate and the color filter color filter substrate to seal the array substrate and the color filter substrate, wherein an electrostatic protection layer is also disposed at the peripheral area of the array substrate and configured to cover a peripheral circuit at the peripheral area of the array substrate to provide electrostatic protection for the peripheral circuit.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: May 2, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Dongling Sun
  • Patent number: 9632367
    Abstract: A display panel includes a first substrate, a second substrate and a display medium. At least one spacer is formed on the top surface of the first substrate and is disposed between the first substrate and the second substrate. An alignment film is formed on the first substrate and covers the spacer. The spacer has a first width and a second width in a direction perpendicular to a normal vector of the first substrate. The location of the second width is nearer to the first substrate than that of the first width. The second width is smaller than the first width. The alignment film has a first thickness at the location of the spacer having the first width and has a second thickness at the location of the spacer having the second width. The second thickness is greater than the first thickness.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: April 25, 2017
    Assignee: INNOLUX CORPORATION
    Inventors: Yi-Chen Hsiao, Chao-Hsiang Wang, Yi-Ching Chen
  • Patent number: 9632380
    Abstract: A liquid crystal display device includes a TFT array substrate (first substrate), a counter substrate (second substrate), a liquid crystal layer, and a common electrode (first electrode), an insulating film, and pixel electrodes 21 (second electrode) that are provided on the TFT array substrate. Each of the pixel electrodes 21 has a plurality of linear electrodes 26 and a first connection portion 27. Each of the linear electrodes 26 has a main line portion 29 and a first bent portion 30. An additional capacitance portion 32 is provided integrally with the first connection portion 27 in a region along an arrangement direction of a plurality of first bent portions 30.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: April 25, 2017
    Assignee: SHARP KUBUSHIKI KAISHA
    Inventors: Yuki Kawashima, Yasuyoshi Kaise
  • Patent number: 9612490
    Abstract: The present invention provides a liquid crystal display having the advantage of higher resolution and lower power consumption while having high transmittance. The present invention is a liquid crystal display provided with a first substrate, a second substrate and a horizontal orientation-type liquid crystal layer. The first substrate includes a plurality of source bus lines, a plurality of gate bus lines, a pixel electrode, a first common electrode, a first interlayer insulation film on the plurality of source bus lines, a first conductive layer on the first interlayer insulation film, a second interlayer insulation film on the first conductive layer and a second conductive layer on the second interlayer insulation film. The first common electrode includes a plurality of first linear portions having a linear shape. The pixel electrode includes one or more second linear portions. The plurality of first linear portions and one or more second linear portions are alternately disposed.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: April 4, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroyuki Moriwaki, Toshio Ninomiya, Kazutaka Hanaoka
  • Patent number: 9612482
    Abstract: The present invention provides a substrate fitting process and a substrate assembly to be fitted, wherein the substrate assembly to be fitted of the present invention, a periphery mold frame is disposed on a surface of a substrate, a cell mold frame is disposed inside said periphery mold frame, the height of said cell mold frame is larger than the height of said periphery mold frame. A substrate fitting process of the present invention comprises: providing a cell mold frame on a surface of a first substrate, providing a cell mold frame inside the periphery mold frame for sealing liquid crystal, the height of said cell mold frame is larger than the height of the periphery mold frame; extracting the air between the first substrate and the second substrate; making the first substrate fit with the second substrate preliminarily; filling the air between the first substrate and the second substrate; making the first substrate further fit with the second substrate.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: April 4, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Ang Xiao, Sunghun Song, Xu Chen
  • Patent number: 9606396
    Abstract: A method of manufacturing a liquid crystal display apparatus includes adhering an array substrate and a counter substrate to form a liquid crystal cell; injecting liquid crystal between the array substrate and the counter substrate; adhering an optical film having been cut away at one corner thereof in a triangular shape on the surface of the counter substrate: and mounting a back light to the liquid crystal cell by aligning a corner of the liquid crystal cell and a corner of the back light on the notched portion.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: March 28, 2017
    Assignee: Japan Display Inc.
    Inventor: Naoya Kubota
  • Patent number: 9588278
    Abstract: A liquid crystal display apparatus is provided. The liquid crystal display apparatus according to an exemplary embodiment of the present disclosure includes: a backlight; a liquid crystal display panel; and a light collecting layer. The liquid crystal display panel includes a first scan line and a second scan line crossing the first scan line. The light collecting layer is configured to collect lights from the backlight and guide the lights toward the liquid crystal display panel. Further, the light collecting layer includes: a first light collecting sheet having a plurality of light collecting structures extended in a first direction; and a second light collecting sheet disposed on the first light collecting sheet and having a plurality of light collecting structures extended in a second direction orthogonal to the first direction. Herein, the first direction is inclined with respect to an extension direction of the scan line.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: March 7, 2017
    Assignee: LG Display Co., Ltd.
    Inventor: NamSu Kim
  • Patent number: 9588383
    Abstract: A display device includes a transistor, a data line, a pixel electrode, a common electrode, and a liquid crystal layer. The data line is connected to a source electrode of the transistor. A geometric radius of curvature associated with the display device is perpendicular to the data line. The pixel electrode is connected to a drain electrode of the transistor and includes a plate electrode. Sides of the plate electrode are oriented at acute angles with respect to the data line in a plan view associated with the display device. The common electrode overlaps the pixel electrode and has a slit. The slit has a first edge and a second edge. The first edge is perpendicular to the data line in the plan view and is longer than the second edge. The liquid crystal layer is positioned between the pixel electrode and the common electrode.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: March 7, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Il Kim, Sang-Myoung Lee, Yeo Geon Yoon, Hyun-Ho Kang, Un Byoll Ko, Sei-Yong Park, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Jung Wook Lee, Sung Hee Hong