Patents Examined by Angela K Davison
  • Patent number: 10989960
    Abstract: The present disclosure relates to a direct-type backlight module and a liquid crystal display. the direct-type backlight module includes a back frame, a backlight source, optical films and the elastic rope. The install pillars are arranged on the first edge and the second edge opposite to the first edge of the back frame. The backlight source is arranged within the back frame. The elastic rope and the install pillars cooperatively defines the supporting net opposite to the backlight source. The optical films are arranged on the supporting net, and thus may be supported by the supporting net. In this way, the optical films may be prevented from collapse, so as to exclude the diffusion plate. Not only the cost of the manufacturing process may be reduced, and the thin design of the backlight module may be realized.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: April 27, 2021
    Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Gang Yu, Dehua Li
  • Patent number: 10974483
    Abstract: A laminate sheet includes an intermediate layer, a first matte layer laminated on a front face side of the intermediate layer, and a second matte layer laminated on a back face side of the intermediate layer. A ratio of a gloss at 60° of a back face of the second matte layer to a gloss at 60° of a front face of the first matte layer is no less than 3/2 and no greater than 10. The gloss at 60° of the front face of the first matte layer is preferably no less than 5 and no greater than 20. The gloss at 60° of the back face of the second matte layer is preferably no less than 30 and no greater than 80. An arithmetic average roughness of the front face of the first matte layer is preferably no less than 0.5 ?m and no greater than 1 ?m.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: April 13, 2021
    Assignee: Keiwa Inc.
    Inventor: Motohiko Okabe
  • Patent number: 10976622
    Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes an array substrate and a color filter substrate disposed oppositely. A light transmission medium layer is provided between the array substrate and the color filter substrate, the light transmission medium layer being made of graphene oxide.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 13, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengju Zhang, Hao Miao, Haiyan Sun, Mingxing Liu, Hong Zhu
  • Patent number: 10969619
    Abstract: A display device includes a display panel, a color conversion layer disposed on the display panel, and an adhesion member between the display panel and the color conversion layer. The color conversion layer includes a first conversion part configured to one of transmit a first color light and absorb first color light to emit second color light, a second conversion part configured to absorb the first color light to emit third color light, and a third conversion part configured to absorb the first color light to emit fourth color light, the first conversion part, the second conversion part, and the third conversion part are sequentially arranged in a first direction, the adhesion member is disposed on a bottom surface and a side surface of the first conversion part and attached to the display panel, and an air layer is defined between the display panel and the second and third conversion parts.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: April 6, 2021
    Inventors: Seung-jin Chu, Wontae Kim, Yeogeon Yoon, Hee-keun Lee
  • Patent number: 10971097
    Abstract: A display device includes a first substrate; and a circuit layer arranged on the first substrate and comprising a first scanning signal line driving circuit arranged on the side of a first side of the first substrate, a second scanning signal line driving circuit arranged on the side of a second side, a third scanning signal line driving circuit arranged between the first scanning signal line driving circuit and the second scanning signal line driving circuit, and each of a plurality of pixel circuits including a first pixel circuit and a second pixel circuit, the first pixel circuit being arranged in a region between the first scanning signal line driving circuit and the third scanning signal line driving circuit, and the second pixel circuit being arranged in a region between the third scanning signal line driving circuit and the second scanning signal line driving circuit.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: April 6, 2021
    Assignee: Japan Display Inc.
    Inventor: Hirotaka Hayashi
  • Patent number: 10962842
    Abstract: A liquid crystal display device is provided and including a first substrate having a first surface; a second substrate having a second surface that is opposed to and spaced from the first surface; and a liquid crystal layer and a plurality of spacers arranged between the first and second surfaces, the spacers each including a first spacer section having a first center in a first direction, the first spacer section protruding from the first surface into the liquid crystal layer, a second spacer section having a second center in the first direction, the second spacer section protruding from the second surface into the liquid crystal layer and opposed to and spaced from the first spacer section or being in contact with the first spacer section, wherein, in each of the spacers, the second center position is different from the first center position in the first direction.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: March 30, 2021
    Assignee: Japan Display Inc.
    Inventor: Morikazu Nomura
  • Patent number: 10962853
    Abstract: A display substrate includes: a switching element including a pixel connection electrode composed of a first conductive film; a pixel electrode composed of a third conductive film and including a portion overlapping the pixel connection electrode; a pixel contact hole drilled through first, second, and third insulating films at a position overlapping the pixel connection electrode and the pixel electrode; a wiring composed of a second conductive film; a wiring connection portion including a portion overlapping the wiring; a first wiring contact hole drilled through the third insulating film at a position overlapping the wiring and the wiring connection portion; a lead-out wiring including a portion overlapping a section of the wiring connection portion not overlapping the wiring; and a second wiring contact hole drilled through the first to the third insulating films at a position overlapping the wiring connection portion and the lead-out wiring.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: March 30, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Hiroshi Aichi
  • Patent number: 10955711
    Abstract: Disclosed is a liquid crystal display device, including: a first substrate including a display area displaying an image, and a non-display area disposed in a form surrounding the display area; a second substrate spaced apart from the first substrate; and a liquid crystal layer disposed between the first substrate and the second substrate; and a first static electricity absorbing pattern disposed on the non-display area of the first substrate.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: March 23, 2021
    Inventors: Dong In Kim, Jin Kyu Park, Yo Han Lee, Ki Hoon Choi, Hyun Seok Hong
  • Patent number: 10948766
    Abstract: Provided are a light source-side polarizing plate including primer layers having different refractive indexes for a liquid crystal display device, and a liquid crystal display device comprising the same, the polarizing plate comprising a polarizer and a protective film formed on a light incidence surface of the polarizer, wherein the protective film includes a first primer layer, a protective film substrate, and a second primer layer, which are sequentially laminated on the polarizer, and when a refractive index of the second primer layer is np2, a refractive index of the first primer layer is np1, and refractive indexes of the protective film substrate in x-axis and y-axis directions are nx and ny, each of the first primer layer and the second primer layer has a thickness of 60 nm to 120 nm, the refractive index difference np1?np2 of the first primer layer and the second primer layer is larger than 0 and equal to or smaller than 0.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: March 16, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Seok Jin Park
  • Patent number: 10935858
    Abstract: The present invention provides a liquid crystal display device for which laser repair can be easily performed to correct a defect pixel, and/or a liquid crystal display device capable of reducing generation of contact failure and a short circuit. The liquid crystal display device of the present invention includes a first substrate, a liquid crystal layer, and a second substrate in the given order. The first substrate includes: an insulating substrate; a scanning line; a data line; a first insulating film disposed between the scanning line and the data line; a common line extending in an extension direction of the scanning line or the data line; a counter electrode facing the common line with the first insulating film in between; a switching element being connected to the scanning line and the data line; a second insulating film; a pixel electrode being connected to the switching element and the counter electrode; a third insulating film; and a common electrode being provided with an opening.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: March 2, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Junichi Morinaga, Mitsunori Harada, Masahiro Yoshida, Tomoo Furukawa
  • Patent number: 10928694
    Abstract: An active matrix substrate includes a plurality of pixels, a plurality of gate bus lines each extending in a first direction and a plurality of source bus lines each extending in a second direction different from the first direction. The plurality of pixels constitute a plurality of color display pixels, and each of the plurality of color display pixels includes at least three pixels adjacent to one another in the second direction. Each of the plurality of pixels has at least one recess including a hole formed in an interlayer insulating layer, a first transparent electrode formed in the at least one recess, and a second transparent electrode electrically connected to a first drain electrode. The second transparent electrode is formed along a side surface and a bottom surface of the at least one recess to be opposite the first transparent electrode with an inorganic insulating layer interposed therebetween.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: February 23, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Masahiro Yoshida
  • Patent number: 10928679
    Abstract: An optical compensation element includes a first member that includes a first transparent substrate, a first alignment film, and a first phase difference layer and a second member that includes a second transparent substrate, a second alignment film, and a second phase difference layer. In the optical compensation element, a first inorganic barrier layer is formed on a surface of the first phase difference layer, where the surface faces the second member a second inorganic barrier layer is formed on a surface of the second phase difference layer, where the surface faces the second member and the first inorganic barrier layer and the second inorganic barrier layer are bonded by an adhesive layer.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: February 23, 2021
    Assignee: SONY CORPORATION
    Inventors: Akiko Toriyama, Koichi Nagasawa, Tsuyoshi Okazaki
  • Patent number: 10908460
    Abstract: According to one embodiment, a method of manufacturing an alignment film, includes forming an organic layer on a substrate, irradiating polarized ultraviolet rays onto the organic layer to impart an alignment controllability of liquid crystal molecules, oxidating the organic layer irradiated with the polarized ultraviolet rays, washing the oxidated organic layer and reducing the washed organic layer.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: February 2, 2021
    Assignee: Japan Display Inc.
    Inventor: Masahiro Kosuge
  • Patent number: 10896653
    Abstract: A display device includes: pixels corresponding to respective colors arranged in matrix, wherein each pixel has a pixel circuit portion in which a circuit for display driving of the pixel is arranged and a pixel opening to be an area obtaining effective display light, the pixel openings of the pixels corresponding to at least one color have an area different from areas of the pixel openings of pixels corresponding to other colors.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: January 19, 2021
    Assignee: Japan Display Inc.
    Inventors: Hidemasa Yamaguchi, Hironao Tanaka, Daisuke Ito
  • Patent number: 10890795
    Abstract: The present disclosure provides a touch display device, including an upper substrate, a lower substrate, and a liquid crystal layer placed between the upper and lower substrates. The upper substrate includes a touch detection structure, and a plurality of pixel units arranged in a matrix. Each pixel unit includes a switch element and a pixel electrode. The lower substrate includes a common electrode and a reflection layer. The reflection layer is used for reflecting external light, and the external light refers to light from outside and sequentially emitting to the upper substrate and the liquid crystal layer, and then being incident to the reflection layer. In the touch display device, no whole or large area display electrode such as the common electrode is placed between the touch detection structure and the users. Thus, external touch signals will not be shielded, and the touch function can be better realized.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: January 12, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Ming Xie, Xiangjian Kong
  • Patent number: 10877322
    Abstract: According to one embodiment, a display device including a first signal line positioned between a first and second pixel area, a common electrode, a first and second switching element, a first and second pixel electrode, wherein the first pixel electrode includes a first connector, the second pixel electrode includes a second connector and a second projection, the common electrode includes an opening, the first and second connector are arranged with the first signal line interposed therebetween, the second projection is disposed in the first direction between the first signal line and the second connector, and a first gap is different from a second gap.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: December 29, 2020
    Assignee: Japan Display Inc.
    Inventors: Mitsufumi Sogabe, Yoshitaka Ozeki, Nobutaka Ozaki
  • Patent number: 10859877
    Abstract: The present disclosure provides a display panel, a manufacturing method thereof and a display device. The display panel includes an opposite substrate and a display substrate opposite each other, a sealant is disposed between the opposite substrate and the display substrate, and the display substrate may be divided into a display area and a peripheral area around the display area. The display substrate includes a first base substrate; a first resin pattern on the first base substrate in the display area; and a protection layer in the display area and the peripheral area and between the first resin pattern and the first base substrate. The sealant is in the peripheral area and in contact with a portion of the protection layer in the peripheral area.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: December 8, 2020
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengcheng Tian, Bin Zhao, Xin Li, Detao Zhao, Le Zhang
  • Patent number: 10838276
    Abstract: A liquid crystal display device includes a plurality of gate lines and data lines that intersect each other on a substrate and define a plurality of sub-pixels, a plurality of common electrodes and pixel electrodes that are alternately disposed within the sub-pixels, a first thin film transistor comprising a first gate electrode connected to the gate line, a first source electrode connected to the data line, and a first drain electrode connected to the pixel electrode, a first common line applied with a first common voltage, and a second thin film transistor comprising a second gate electrode connected to the gate line, a second source electrode connected to the first common line, and a second drain electrode connected to the common electrode.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: November 17, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: ChanHo Lee, JaeHyung Jo
  • Patent number: 10824022
    Abstract: A liquid crystal cell including a first substrate, a second substrate, a liquid crystal layer and a plurality of first support pillars is provided. The first substrate has a first surface and a second surface opposite to the first surface. The second substrate is disposed beside the first substrate and has a third surface and a fourth surface opposite to the third surface. The first surface of the first substrate and the third surface of the second substrate face each other. The liquid crystal layer is disposed between the first substrate and the second substrate. The plurality of first support pillars are configured to form a cell gap of the liquid crystal cell and disposed on the first surface of the first substrate, wherein the first substrate and the plurality of first support pillars are integrally formed and made of a same material.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: November 3, 2020
    Assignee: LIQXTAL TECHNOLOGY INC.
    Inventor: Chih-Chan Lin
  • Patent number: 10816818
    Abstract: According to one embodiment, a display device includes a display portion and a light control element, wherein the display portion includes a pixel group including sub-pixels for displaying an image of L viewpoints, the light control element includes light controllers, the light controllers, the number of which is equal to m, overlap the pixel group, L and m each represent a natural number greater than or equal to 2, the light controller overlaps the sub-pixels, the number of which is equal to P, arranged in a first direction, and P, L, m satisfy the relationship of P=L/3m.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: October 27, 2020
    Assignee: Japan Display Inc.
    Inventors: Takeo Koito, Shuji Hayashi