Patents Examined by Paul C Lee
  • Patent number: 11428999
    Abstract: An electro-optical device includes: a liquid crystal panel; a particle aligned type anisotropic conductive film having a plurality of electrically conductive particles that are arranged in a state of being aligned along a first direction and a second direction intersecting with the first direction; and a printed circuit board coupled to a connection terminal portion of the liquid crystal panel via the particle aligned type anisotropic conductive film, wherein the connection terminal portion includes a plurality of connection terminals, a plurality of recessed portions that are arranged in a state of being aligned along a third direction and a fourth direction intersecting with the third direction are formed on a surface of the connection terminal, and at least one of the first direction and the second direction along which the electrically conductive particles are arranged is different in arrangement direction from both the third direction and the fourth direction.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: August 30, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shinsuke Fujikawa
  • Patent number: 11422401
    Abstract: A light diffusion film having an internal structure in the film. The internal structure includes a plurality of regions having a relatively high refractive index in a region having a relatively low refractive index. The light diffusion film has an indentation elastic modulus of 30 MPa or more at 23° C.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: August 23, 2022
    Assignee: LINTEC CORPORATION
    Inventors: Tatsuki Kuramoto, Kentaro Kusama, Baku Katagiri
  • Patent number: 11409148
    Abstract: Provided are a display device and a method for manufacturing the same, the display device includes: a back plate, a cover plate and a display panel, the cover plate is opposite to the back plate, the cover plate has a central area and a peripheral area, the display panel is fixed to the central area, the back plate includes a base plate and a side wall part, a surface of the side wall part facing the cover plate is a bonding surface; a portion of areas on the bonding surface are provided with a supporting structure, which includes multiple bumps with a same height and arranged at intervals, surfaces of the bumps facing the cover plate contact the peripheral area; a structural adhesive is provided between a portion of the bonding surface without the supporting structure and the cover plate to fix the cover plate to the bonding surface.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: August 9, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ran Tao, Fei Ling, Yong Ma
  • Patent number: 11402679
    Abstract: A liquid crystal display device includes a first substrate, a second substrate, a vertical alignment liquid crystal layer, and a plurality of pixels. Each of the pixels includes a reflective region for performing display in a reflection mode. The first substrate includes a reflective electrode including a first region located within each of the plurality of pixels and a second region located between any two pixels, of the plurality of pixels, adjacent to each other, a transparent insulating layer provided to cover the reflective electrode, and a pixel electrode formed from a transparent conductive material and provided on the transparent insulating layer in each of the plurality of pixels. The second substrate includes a counter electrode.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: August 2, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takahiro Sasaki, Takashi Satoh, Ming Ni, Shuji Nishi, Keiichi Ina
  • Patent number: 11402707
    Abstract: A liquid crystal display device includes: a first liquid crystal cell; a second liquid crystal cell disposed in a backlight side; and a first optical sheet and a second optical sheet both having an identical layer structure. The first optical sheet is disposed on a front surface side of the first liquid crystal cell and the second optical sheet is disposed on a back surface side of the second liquid crystal cell, or vice versa.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: August 2, 2022
    Assignees: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD., PASONA KNOWLEDGE PARTNER INC.
    Inventors: Yoichi Yasui, Takao Imaoku, Katsuhiro Kikuchi, Kazuhiko Tsuda
  • Patent number: 11402701
    Abstract: According to one embodiment, a display device includes a plurality of red subpixels, a plurality of green subpixels, and a plurality of blue subpixels, wherein, in a first direction, the red subpixel and the green subpixel, the green subpixel and the blue subpixel, and the blue subpixel and the red subpixel are arranged to be adjacent to each other, and in a second direction, the red subpixel and the blue subpixel, the blue subpixel and the green subpixel, and the green subpixel and the red subpixel are arranged to be adjacent to each other, and in the subpixels, as to subpixel columns adjacent to each other, when an image signal of the same gradation is input with respect to the subpixels of same color, brightness of one subpixel column is higher than that of another subpixel column.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: August 2, 2022
    Assignee: Japan Display Inc.
    Inventors: Kazunari Tomizawa, Tsutomu Harada
  • Patent number: 11397345
    Abstract: Provided is a liquid crystal panel and a method for etching a liquid crystal panel, the liquid crystal panel including: a first substrate; a second substrate installed at a location facing the first substrate with a liquid crystal layer therebetween; a driving circuit unit connected to the second substrate; and a masking tape integrally surrounding the edges of the first substrate and the second substrate.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: July 26, 2022
    Assignee: KORTEK CORPORATION
    Inventors: Woo Hwangbo, Hae Won Chae, Young Il Park, Ji Woong Park
  • Patent number: 11397352
    Abstract: A display apparatus includes a liquid crystal panel, and a light source apparatus configured to irradiate the liquid crystal panel with light. The light source apparatus includes a plurality of light sources configured to emit blue light, and a reflective sheet with a plurality of holes through which the light passes. The plurality of holes includes a first hole disposed at an edge portion of the reflective sheet, and a second hole in which a distance from an edge of the reflective sheet to the second hole is greater than a distance between the edge of the reflective sheet and the first hole and a plurality of first light conversion patches arranged along a circumference of a circle surrounding the first hole on the reflective sheet, and a plurality of second light conversion patches arranged along a circumference of a circle surrounding the second hole on the reflective sheet.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: July 26, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoonki Park, Hyungjin Kim, Yongsung Yoo, Youngwook Jung, Minnyeong Han
  • Patent number: 11392170
    Abstract: An electronic apparatus includes: a chassis; a first display in the chassis with a first display surface facing a front surface of the chassis; and a second display in the chassis with a second display surface facing a rear surface of the chassis. The chassis includes: a first glass plate that covers the first display surface and constitutes the front surface of the chassis; a second glass plate that covers the second display surface and constitutes the rear surface of the chassis; and a frame that supports the first glass plate and the second glass plate and constitutes lateral surfaces of the chassis.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: July 19, 2022
    Assignee: Lenovo (Singapore) Pte. Ltd.
    Inventors: Kazuya Umejima, Kazuo Fujii, Seita Horikoshi, Kenji Watamura
  • Patent number: 11385512
    Abstract: To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: July 12, 2022
    Assignees: JAPAN DISPLAY INC., PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Tohru Sasaki, Takahiro Ochiai
  • Patent number: 11372289
    Abstract: A display panel, a method of manufacturing the same, and a display device are provided. The display panel includes a first substrate, a plurality of binding pins, and at least one binding alignment block. The first substrate includes a non-display area. The binding pins are disposed on the first substrate. An end of each of the binding pins extends to an edge of a binding side of the first substrate and is disposed on the non-display area. The at least one binding alignment block is disposed on the non-display area. A side of the at least one binding alignment block is in a same plane as the binding side of the first substrate, and a thickness of the at least one binding alignment block is greater than a thickness of each of the binding pins.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: June 28, 2022
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Qingyong Zhu
  • Patent number: 11372293
    Abstract: The present disclosure relates to a liquid crystal panel and a repairing method thereof, and a display device. The liquid crystal panel includes an array substrate and a filter substrate, and the repairing method includes: irradiating a pixel which is a bright spot of the liquid crystal panel with laser from one side of the array substrate away from the filter substrate, so that a portion of the array substrate located in the pixel is converted from a light transmitting area into a light shielding area.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: June 28, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO, LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guodong Wu, Ping Chen, Hewei Wang, Song Wu, Chen Tang, Mingming Mu, Junfeng Li, Haitao Hu, Fugai Chen, Shuai Ji, Hao Yu
  • Patent number: 11372285
    Abstract: The present disclosure provides a backlight, a display module and a display device. The backlight includes a plastic frame and light guide plate, the plastic frame includes a panel receiving portion, the light guide plate is located below the panel receiving portion, an orthographic projection of the panel receiving portion in a direction perpendicular to a light emitting surface of the light guide plate is overlapped with an orthographic projection of an edge of the light guide plate in the same projection direction, and an angle between a side surface of the panel receiving portion close to a center of the light guide plate and a lower surface of the panel receiving portion adjacent to the light guide plate is less than 90 degrees.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: June 28, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongda Ma, Yong Qiao, Xinyin Wu
  • Patent number: 11372277
    Abstract: A first organic insulating film is arranged on a first substrate in a circumference area outside an active area. A mounting portion is located in the circumference area for mounting a signal source. A second organic insulating film is formed on a second substrate in the circumference area so as to face the first substrate. The second substrate exposes the mounting portion. A seal material is arranged between the first organic insulating film and the second organic insulating film to attach the first substrate and the second substrate. A resin layer is arranged between the first organic insulating film and the second organic insulating film in the circumference area, and formed in a rectangular frame shape including four linear ends. An end along the mounting portion is formed broadly than other ends.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: June 28, 2022
    Assignee: Japan Display Inc.
    Inventor: Atsuko Oono
  • Patent number: 11353750
    Abstract: Provided is an optically anisotropic film exhibiting reverse wavelength dispersibility with excellent thickness-direction phase differences, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention satisfies the following Requirements 1 to 4. Requirement 1: In a case of irradiation with P-polarized light and S-polarized light, which are linearly polarized light perpendicular to each other, from a direction inclined by 45° from a normal direction of a film surface of the optically anisotropic film, an absorption intensity ratio in a case of irradiation with S-polarized light to an absorption intensity in a case of irradiation with P-polarized light is 1.02 or more in an absorption intensity at a wavelength having a largest absorption in a wavelength range of 700 to 900 nm. Requirement 2: Re(550)<10 nm, Requirement 3: Re(800)<10 nm. Requirement 4: Rth(450)/Rth(550)<1.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: June 7, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Hideyuki Nishikawa, Ryoji Goto, Yuuta Fujino, Mirei Arayasu, Yuki Nakamura
  • Patent number: 11347118
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer plate, and a second polarizer plate. The first substrate includes a first dielectric substrate, a first electrode, a second electrode, and a first alignment film. The second electrode includes a plurality of slits and a conductive portion. The second substrate includes a second dielectric substrate and a second alignment film. The first substrate further includes a resin layer disposed between the second electrode and the first alignment film. The resin layer within the plurality of slits is as thick as or thicker than the second electrode. The plurality of slits are filled with the resin layer. A difference in height between the resin layer over the conductive portion of the second electrode and the resin layer within the plurality of slits of the second electrode is 10 nm or more.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: May 31, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura
  • Patent number: 11347106
    Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit blue light; a reflective sheet including four edge portions and a center portion, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes includes a first hole and a second hole on each of the four edge portions of the reflective sheet, each of the four edge portions includes an edge of the reflective sheet, the first hole is disposed at a first distance from the edge of the reflective sheet, and the second hole is disposed at a second distance from the edge of the reflective sheet, wherein the second distance is greater than the first distance; and a plurality of light conversion dots.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: May 31, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoonki Park, Hyungjin Kim, Yongsung Yoo, Youngwook Jung, Minnyeong Han
  • Patent number: 11347101
    Abstract: A technique, comprising: producing at least first and second individual liquid crystal cells, wherein the first and second individual liquid crystal cells each comprise liquid crystal material between a respective pair of support components, and electrical circuitry operable to generate a refractive index pattern in the liquid crystal material; the method comprising adhering together at least the first and second liquid crystal cells to form a stack of liquid crystal cells; wherein the electrical circuitry of the first and second liquid crystal cells is operable together to generate a stack of refractive index patterns in the liquid crystal material of the stack of liquid crystal cells.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 31, 2022
    Assignee: Flexenable Limited
    Inventor: Paul Cain
  • Patent number: 11333929
    Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit blue light; a reflective sheet including four edge portions, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes includes a first hole disposed on each of the four edge portions of the reflective sheet, each of the four edge portions includes an edge of the reflective sheet, the first hole is disposed at a first distance from the edge of the reflective sheet; and a plurality of light conversion dots including eight first light conversion dots disposed around the first hole of the reflective sheet, and wherein a diameter of each of the eight first light conversion dots is equal to or greater than 1.04 mm, and is equal to or less than 1.56 mm, and wherein the plurality of light conversion dots includes at least one of a fluorescent material, a dye, or a pigment.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoonki Park, Hyungjin Kim, Yongsung Yoo, Youngwook Jung, Minnyeong Han
  • Patent number: 11333928
    Abstract: A display device includes a liquid crystal panel; a plurality of light sources configured to emit blue light; and a reflective sheet including a first hole and a second hole on a same edge portion of the reflective sheet, wherein the edge portion includes an edge of the reflective sheet, the first hole is disposed at a first distance from the edge of the reflective sheet, and the second hole is disposed at a second distance from the edge of the reflective sheet, wherein the second distance is greater than the first distance. First light conversion dots are disposed around the first hole of the reflective sheet, and second light conversion dots are disposed around the second hole of the reflective sheet, wherein a size of each of the first light conversion dots is greater than a size of each of the second light conversion dots.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoonki Park, Hyungjin Kim, Yongsung Yoo, Youngwook Jung, Minnyeong Han