Patents Examined by Richard H Kim
  • Patent number: 11622480
    Abstract: The present disclosure provides a display. The display includes a display module, a supporting plate, and an evaporator. The display module has a front surface and a rear surface opposite the front surface of the display module. The supporting plate is attached to the rear surface of the display module. The evaporator is attached to the supporting plate and thermally connected to the rear surface of the display module through the supporting plate.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: April 4, 2023
    Assignee: DYNASCAN TECHNOLOGY CORP.
    Inventors: Tsun-I Wang, Ching-Chun Wu, Jianhung Lin, Shao En Chung
  • Patent number: 11616210
    Abstract: A foldable display device includes a flexible display module having an electroluminescent unit, a flexible functional module on the flexible display, the flexible functional module having at least one function selected from the group of polarization, a color filtering, color conversion, a touch sensing, and biometric information recognition, and a flexible window module on the flexible functional module. A side surface of the flexible display module, a side surface of the flexible functional module, and a side surface of the flexible window module may be located on a first plane at a first side portion. An inner angle formed by an upper surface of the flexible window module emitting light and the first plane may be an acute angle at the first side portion.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventor: Myoung Seo Park
  • Patent number: 11614664
    Abstract: An electro-optical device includes a first substrate including a plurality of pixel electrodes, a second substrate including a common electrode, and an electro-optical layer disposed between the plurality of pixel electrodes and the common electrode, optical characteristics of the electro-optical layer changing according to an electric field. One of the first substrate and the second substrate includes a base material composed of an inorganic material and having insulating and transmission properties, and a light shielding portion having light shielding properties and including a first film containing tungsten silicide, a second film containing titanium nitride or tungsten nitride, and a third film containing tungsten. The first film, the second film, and the third film are disposed in this order from the base material.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: March 28, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Satoshi Ito
  • Patent number: 11609371
    Abstract: An electronic device includes a light source member configured to provide a first light, a color conversion member disposed on the light source member and including a first conversion material that converts the first light into a second light and a second conversion material that converts the first light into a third light, and a low-refractive index layer disposed on the light source member and disposed on at least one of upper and lower portions of the color conversion member. The low-refractive index layer includes a matrix part, a plurality of hollow inorganic particles dispersed in the matrix part, and a plurality of void parts defined by the matrix part.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungseon Tak, Younggu Kim, Taekjoon Lee, Sun-Young Chang, Jin-Soo Jung, Jongmin Ok, Hyelim Jang, Baekkyun Jeon
  • Patent number: 11604383
    Abstract: A display device includes a housing, a display panel, a light source, a first acquirer, a second acquirer, and a stabilizer. The display panel is provided in the housing. The light source is provided in the housing, and includes an LED that irradiates the display panel with light. The first acquirer acquires a first temperature in a first region including a region where the light source is disposed in the housing. The second acquirer acquires a second temperature in a second region different from the first region. The stabilizer has a first adjustment mode for lighting the LED with maximum luminance as an adjustment mode for stabilizing luminance of the LED. The stabilizer operates the LED in the first adjustment mode in a case where a temperature difference between the first temperature and the second temperature is a first threshold value or more.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: March 14, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masaki Nishizaka, Katsuaki Yamada, Tomohiko Okada, Wooseong Jeong, Toshiyuki Gotoh, Hidenori Ishii
  • Patent number: 11592710
    Abstract: Backlighting panels for LCD displays are described herein which, in some embodiments, enhance contrast ratio, spatial resolution and/or chromaticity differentiation in images output by the LCD displays. In one aspect, an electronic display device comprises a LCD panel comprising pixels, and a backlighting panel comprising an array of solid state lighting devices of differing color. A color management unit is configured to generate color management signals for controlling chromaticity and/or luminance output of the solid state lighting devices, wherein a ratio of the solid state lighting devices to the pixels of the LCD panel is greater than 1.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: February 28, 2023
    Assignee: Brightplus Ventures LLC
    Inventor: John K. Roberts
  • Patent number: 11592696
    Abstract: A display device and a method of manufacturing the display device are provided. The display device includes a first lamination member that includes a first area and a second area that is an area other than the first area; a bonding member disposed on one side of the first lamination member and that includes an adhesive resin; and a second lamination member disposed on the other side of the bonding member, wherein the bonding member includes a crack portion formed in at least a part of a matrix of the adhesive resin.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Min Sok Jang
  • Patent number: 11573459
    Abstract: A display device includes: first and second substrates; adjacent first and second color filter layers between the first and second substrates and having a first color; adjacent third and fourth color filter layers between the first and second substrates and having a second color; first and second dummy color filter layers between the first color filter layer and the second color filter layer and having the first and second colors, respectively; a first column spacer between the first dummy color filter layer and the second substrate; and a second column spacer between the second dummy color filter layer and the second substrate. The first dummy color filter has a greater height than the second dummy color filter layer. A surface of the first dummy color filter layer facing the second substrate is larger than that of the second dummy color filter layer.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: February 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Saeron Park, Sanghun Lee
  • Patent number: 11561444
    Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of sub-pixels arranged in an array; gate line light shielding parts extending in a row direction are arranged on horizontal non-display areas between every two adjacent rows of sub-pixels; vertical non-display areas are arranged between every two sub-pixels adjacent in a row direction; at least one of the vertical non-display areas is provided with a vertical light shielding part, and the vertical light shielding part is configured to prevent two sub-pixels on two sides, in the row direction, of the vertical light shielding part from light leakage at a junction; and a gap is formed between the vertical light shielding part and each of two gate line light shielding parts adjacent to the vertical light shielding part.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: January 24, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jilei Gao, Wei Zhang, Miao Yu, Benzhi Xu, Chao Li, Qi Liu, Xipeng Wang, Yonggang Zhang
  • Patent number: 11543711
    Abstract: A liquid crystal display device including a pixel containing a first memory circuit, a second memory circuit, and a liquid crystal element is provided. The first memory circuit includes a first capacitor. One electrode of the first capacitor is electrically connected to one electrode of the liquid crystal element. The second memory circuit includes a second capacitor. One electrode of the second capacitor is electrically connected to the one electrode of the liquid crystal element. The first memory circuit has a function of storing a charge corresponding to a first signal. The second memory circuit has a function of storing a charge corresponding to a second signal. A voltage is applied to the liquid crystal element by supplying a third signal to the other electrode of the first capacitor and supplying a fourth signal to the other electrode of the second capacitor, whereby an image is displayed.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: January 3, 2023
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe, Kei Takahashi, Shunpei Yamazaki
  • Patent number: 11543572
    Abstract: Shaped optical films and methods of shaping optical films are described. The method includes securing at least portions of a perimeter of the optical film in a first plane so that the secured portions do not move relative to one another; and stretching the optical film by displacing a portion of the optical film along at least a first direction perpendicular to the first plane such that one of a radial and circumferential stretching of the optical film is substantially constant from a center to the perimeter of the optical film, and the other one of the radial and circumferential stretching of the optical film substantially changes from the center to the perimeter of the optical film. The optical film is a reflective polarizer including a plurality of alternating polymeric layers.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: January 3, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Robert M. Jennings, Gregg A. Ambur, Jo A. Etter, Benjamin G. Sonnek, Zhisheng Yun
  • Patent number: 11543691
    Abstract: According to an aspect, a display device includes: a front surface panel; a plurality of display units disposed at different positions on a back of the front surface panel; and a main frame supporting side parts of a first display unit and a second display unit adjacent to each other among the plurality of display units, and fixed to a back surface of the front surface panel.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: January 3, 2023
    Assignee: Japan Display Inc.
    Inventor: Takuya Nishimoto
  • Patent number: 11531222
    Abstract: A display device includes a display unit having a display surface to display an image, a cover panel stacked on the display surface of the display unit, and a holding frame stacked on a back surface of the display unit. The display surface of the display unit and the cover panel are bonded to each other with an optical adhesive material. The holding frame and the display unit are bonded to each other with a variable thickness adhesive material a thickness of which is variable at least at a time of bonding the holding frame and the display unit.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: December 20, 2022
    Assignee: DENSO CORPORATION
    Inventor: Kimihiro Matsuoka
  • Patent number: 11531243
    Abstract: The display device includes a first substrate provided with a driver circuit region that is located outside and adjacent to a pixel region and includes at least one second transistor which supplies a signal to the first transistor in each of the pixels in the pixel region, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first interlayer insulating film including an inorganic insulating material over the first transistor and the second transistor, a second interlayer insulating film including an organic insulating material over the first interlayer insulating film, and a third interlayer insulating film including an inorganic insulating material over the second interlayer insulating film. The third interlayer insulating film is provided in part of an upper region of the pixel region, and has an edge portion on an inner side than the driver circuit region.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: December 20, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yasuharu Hosaka, Yukinori Shima, Kenichi Okazaki, Shunpei Yamazaki
  • Patent number: 11526040
    Abstract: A display device includes: a curved first substrate; a second substrate opposing the first substrate; a plurality of connection pads disposed on a side surface of the first substrate and a side surface of the second substrate; and at least one flexible circuit board including a plurality of projections respectively coupled to the plurality of connection pads, wherein the plurality of projections forms an array of projections along an edge of the side surface of the second substrate.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: December 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Jin Maeng, Min Su Jung
  • Patent number: 11520188
    Abstract: The present application discloses a display panel and a display device. Each of pixel units of the display panel includes a plurality of sub-pixels, and each of the sub-pixels includes a first main electrode, a first branch electrode, a second main electrode, and a second branch electrode, wherein the first main electrode includes a first portion, and the second main electrode includes a first split body; wherein in each pixel unit, in at least one of the sub-pixels, the first acute angle formed by the first branch electrode and the first portion is greater than the second acute angle formed by the second branch electrode and the first split body.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: December 6, 2022
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Mingguo Liu
  • Patent number: 11520189
    Abstract: A display device includes a plurality of transparent voltage-dividing common electrodes and a plurality of pixel units. The transparent voltage-dividing common electrodes are electrically isolated from each other in a first direction. Each of the pixel units includes a first pixel electrode, a second pixel electrode, and a voltage-dividing switch. The first pixel electrode is configured to receive a data voltage. The second pixel electrode is configured to receive the data voltage. The voltage-dividing switch is configured to divide the data voltage on the second pixel electrode to one of the transparent voltage-dividing common electrodes.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: December 6, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Sheng-Ju Ho, Cheng-Han Tsao, Shang-Jie Wu, Yi-Jung Chen, Hung-Che Lin, Shun-Ling Hou, Nai-Wen Chang
  • Patent number: 11503733
    Abstract: A display device includes a display panel device and a frame configured to hold the display panel device. The display panel device includes a first magnetic adherent. The frame includes a second adherent. The display panel device is adhered to the frame via the first adherent and the second adherent, such that the display panel device is removable from the frame for rework without damaging the first adherent and the second adherent.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: November 15, 2022
    Assignee: Dell Products L.P.
    Inventors: Guantaek Oh, KyungEun Lee
  • Patent number: 11500251
    Abstract: An electro-optical device. The electro-optical device includes an pixel electrode that applies the electric field to the electro-optical layer, a transistor that includes a semiconductor layer including a drain region, a capacitance element that includes a first capacitance electrode and a second capacitance electrode, an electrode contact coupled to the pixel electrode, and a drain relay electrode electrically coupled to the drain region. The pixel electrode contact is coupled to the second capacitance electrode and the drain relay electrode.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: November 15, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Satoshi Ito
  • Patent number: 11500238
    Abstract: A method of manufacturing a polymer dispersed liquid crystal, PDLC, film, the method comprising: forming a region of liquid polymer (206) on a substrate (212); depositing one or more liquid crystal, LC, formulations (214) into the liquid polymer; and thereafter curing (234) the liquid polymer (206) to thereby induce phase separation between the polymer (206) and the liquid crystal formulations (214), resulting in PDLC pixels (236) which are phase separated from the surrounding, cured polymer—thereby producing a PDLC film.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: November 15, 2022
    Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
    Inventors: Ellis Parry, Stephen Morris, Steve Elston, Alfonso Castrejón-Pita