Patents Examined by Lauren Nguyen
  • Patent number: 11526043
    Abstract: A display device including a display area and a non-display area disposed outside the display area, the display device including a first display substrate, a second display substrate opposite to the first display substrate, and a sealing member disposed between the first display substrate and the second display substrate in the non-display area and coupling the first display substrate to the second display substrate, in which the first display substrate includes a first substrate and an organic layer disposed on the first substrate, the organic layer includes a plurality of dam patterns disposed in the non-display area, and the dam patterns include a first dam pattern not overlapping the sealing member and having a first trench formed on a surface of the first dam pattern, and a second dam pattern overlapping the sealing member.
    Type: Grant
    Filed: August 23, 2020
    Date of Patent: December 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hee Shin, Yoo Mi Ra, Geun Ho Lee, Yong Hee Lee
  • Patent number: 11513401
    Abstract: A liquid crystal display module and a display device are provided. An end surface of a binding terminal is combined with an end surface of an array substrate to form a contact surface. The contact surface is disposed obliquely to any side surface of the array substrate. A conductive film is fit to and electrically connected with the contact surface. By increasing area of the contact surface between the binding terminal and the first conductive film, a contact resistance can be effectively reduced. The flip-chip film is bent at least twice to reduce a damage to the flip-chip film during bending.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: November 29, 2022
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventors: Huihua Liao, Qingyong Zhu
  • Patent number: 11513402
    Abstract: A display device includes a display panel including a side surface; on the side surface of the display panel: a pad through which an electrical signal is provided to the display panel from outside thereof; and an auxiliary layer in a same layer as the pad and spaced apart from the pad along a thickness direction of the display panel; and a circuit member facing the side surface of the display panel and coupled to both the pad and the auxiliary layer.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Min Park, Jeongjin Park, Si joon Song, Sanghyuck Yoon
  • Patent number: 11487167
    Abstract: A method for fabricating a liquid crystal phase modulation device is provided. The method includes detecting thicknesses of a plurality of portions of a reference liquid crystal layer of a reference liquid crystal phase modulation sample; determining a distribution according to the thicknesses of the portions of the reference liquid crystal layer; forming a plurality of spacers over a first substrate in the determined distribution; and combining the first substrate with a second substrate and a liquid crystal layer to form the liquid crystal phase modulation device.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: November 1, 2022
    Assignee: Liqxtal Technology Inc.
    Inventors: Chih-Chan Lin, Yu-Ching Chen
  • Patent number: 11487179
    Abstract: The present application relates to an optical device. The present application provides an optical device capable of varying transmittance, and such an optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: November 1, 2022
    Inventors: Ji Hoon Park, Hye Min Yu, Moon Soo Park, Young Shin Lee
  • Patent number: 11480716
    Abstract: The optical element is an optical element including a first optically anisotropic layer which is a cured layer of a liquid crystal composition containing a rod-like liquid crystal compound and a second optically anisotropic layer which is laminated on the first optically anisotropic layer and is a cured layer of a liquid crystal composition containing a disk-like liquid crystal compound, wherein each of the first optically anisotropic layer and the second optically anisotropic layer, has a liquid crystal alignment pattern in which an optical axis of the rod-like liquid crystal compound and an optical axis of the disk-like liquid crystal compound are respectively parallel to a surface of the optically anisotropic layer and oriented along at least one in-plane direction, orientation of the optical axis changes continuously and rotationally, and the orientation of the optical axis rotates by 180° with a period of 0.5 ?m to 5 ?m.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: October 25, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Yukito Saitoh, Hiroshi Sato
  • Patent number: 11435621
    Abstract: A display device comprises a display panel; an inner plate including a rear support portion on which a rear surface of the display panel is disposed, an edge support portion which is bent at an edge portion of the rear support portion such that the edge support portion is spaced apart from an edge portion of the display panel, and an engaging end portion which is bent at and extends from an edge portion of the edge support portion; and a bottom cover including a plate support portion on which a rear surface of the rear support portion is disposed, and a side support portion which is bent at an edge portion of the plate support portion such that the engaging end portion is coupled to the side support portion.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 6, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Chanhee Park, SeungHwan Lee
  • Patent number: 11428969
    Abstract: An optical display includes an optical display element including a second substrate, a first substrate facing the second substrate, a dummy region and a metal interconnection layer thereon. A first polarizing plate on an upper surface of the optical display element has a light shielding layer therein including printed patterns separated from each other. A first printed layer includes a first point at an interface between the display and non-display regions and a second point at a vertex closest to the first point. A second printed layer includes a third point at the interface and a fourth point at a vertex closes to the third point. The light shielding layer satisfies H?P/2, where H is a minimum value among a distance from the interface to the second point and a distance from the interface to the fourth point, and P is a width of the dummy region.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: August 30, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Woo Kim, Yoo Jin Kim, Dong Yoon Shin, Bae Wook Lee, Ji Hyun Hwang
  • Patent number: 11429004
    Abstract: An electro-optical device includes a translucent substrate, a transistor, a light-shielding body having light-shielding properties, including a metal and disposed between the substrate and the transistor, a first insulating layer having insulating properties and disposed between the light-shielding body and the transistor, the first insulating layer being in contact with the light-shielding body, and a second insulating layer having insulating properties and disposed between the first insulating layer and the transistor, the second insulating layer being in contact with the first insulating layer. A content of a predetermined element that is not an element of a main component in the first insulating layer is higher than a content of the predetermined element in the second insulating layer.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: August 30, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Satoshi Ito
  • Patent number: 11422417
    Abstract: An electro-optical device includes a frame including a conduction part and a resin part, an electro-optical panel that is housed in the inner side of the resin part, and an exposure part that is formed by exposing the conduction part from the resin part. The exposure part is disposed to face at least a part of an end face of the electro-optical panel or protrude from a surface of the electro-optical panel over the end face.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: August 23, 2022
    Assignee: Japan Display Inc.
    Inventor: Kazunori Takabayashi
  • Patent number: 11422422
    Abstract: A liquid crystal display panel, comprising: a plurality of source lines extending in a first direction, and including a first source line and a second source line; a plurality of gate lines extending in a second direction different from the first direction, and crossing the plurality of source lines; and a plurality of pixel units defined by the plurality of source lines and the plurality of gate lines, in which a plurality of transistors and a plurality of pixel electrode are disposed, respectively; the first source line and the second source line are respectively connected to two adjacent rows of the pixel unit; wherein the first source line comprises a first line segment disposed on a first wiring layer; the second source line comprises a second line segment, and the second line segment is disposed on a second wiring layer different from the first wiring layer.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: August 23, 2022
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventor: Teruhisa Nakagawa
  • Patent number: 11402709
    Abstract: A repairing method for an array substrate is provided. The array substrate includes at least one defective signal line, which is a data line or a gate line having a breakpoint. The defective signal line is divided by the breakpoint into a first portion and a second portion. The repairing method includes disconnecting a connection between a first thin film transistor and a data line or a gate line to which the first thin film transistor is connected, the first thin film transistor being a thin film transistor closest to the breakpoint among thin film transistors connected to the first portion; electrically connecting a first terminal of the first thin film transistor to the first portion; and taking a common electrode line segment from a common electrode line to which the first pixel electrode corresponds as a repair line.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: August 2, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lang Hu, Yaohua Jiang, Yang Yu, Kaiqiang Li, Chaolei Wang, Nannan Rong, Yan Yang
  • Patent number: 11391981
    Abstract: According to an aspect, a display device includes a pixel including: a first sub-pixel including a first color filter transmitting light having a spectrum peak falling on a spectrum of reddish green; a second sub-pixel including a second color filter transmitting light having a spectrum peak failing on a spectrum of bluish green; a third sub-pixel including a third color filter transmitting light having a spectrum peak falling on a spectrum of red; and a fourth sub-pixel including a fourth color filter transmitting light having a spectrum peak falling on a spectrum of blue. The first, second, third, and fourth sub-pixels each include a reflective electrode reflecting light transmitted through the color filter. Each of the third and fourth sub-pixels is greater in size than the first and second sub-pixels. The first sub-pixel with the second sub-pixel has a size equal to or greater than that of the third sub-pixel.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: July 19, 2022
    Assignee: Japan Display Inc.
    Inventors: Tatsuya Yata, Kazunari Tomizawa
  • Patent number: 11391982
    Abstract: A quantum dot color filter substrate, and a method of manufacturing the same are provided. The quantum dot color filter substrate includes a substrate. The substrate includes a plurality of first sub-pixel areas, a plurality of second sub-pixel areas, and a plurality of third sub-pixel areas. Material of the plurality of second sub-pixel areas and material of the plurality of third sub-pixel areas are same, and the material of the plurality of second sub-pixel areas and the plurality of third sub-pixel areas is different from material of the plurality of first sub-pixel areas.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: July 19, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chaoqun Yang, Changchih Huang
  • Patent number: 11372280
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 28, 2022
    Assignee: Japan Display Inc.
    Inventors: Yoichi Kamijo, Yoshikatsu Imazeki, Shuichi Osawa, Yoshihiro Watanabe, Koichi Miyasaka
  • Patent number: 11360338
    Abstract: A display device is provided. The display device includes: a frame, a panel, and a conductive adhesive. The panel is bonded to the frame via the conductive adhesive. The panel further includes a back plate and a conductive component, wherein the conductive adhesive is electrically connected to the back plate via the conductive component.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: June 14, 2022
    Assignee: INNOLUX CORPORATION
    Inventors: Chien-Nian Chen, Yu-Chun Huang, I-Han Liu, Ming-Tien Wang, Yung-Yu Tsai
  • Patent number: 11347114
    Abstract: An electrooptical device includes a first substrate; a second substrate, a plurality of spacers maintaining a distance between the first substrate and the second substrate; a pixel electrode provided on the first substrate; a conductive layer overlapping a part of the pixel electrode; a protrusion covered with the pixel electrode; a counter electrode opposed to the pixel electrode; a first alignment film provided on the pixel electrode and having a first opening in a portion overlapping the protrusion; a second alignment film provided on the counter electrode and having a second opening in the portion overlapping the protrusion; and a liquid crystal layer provided between the first alignment film and the second alignment film, and a distance from the bottom surface to the top surface in the protrusion is smaller than a distance from the bottom surface to the top surface in the spacer.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: May 31, 2022
    Assignee: Japan Display Inc.
    Inventor: Yuzo Wakayama
  • Patent number: 11335708
    Abstract: A display device capable of improving image quality is provided. A storage node is provided in each pixel and first data can be held in the storage node. Second data is added to the first data by capacitive coupling, which can be supplied to a display element. Thus, the display device can display a corrected image. A reference potential for the capacitive coupling operation is supplied from a power supply line or the like, and thus the first data and the second data can be supplied from a common signal line.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: May 17, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Susumu Kawashima, Naoto Kusumoto
  • Patent number: 11314131
    Abstract: A display device includes a substrate; and a red pixel electrode, a green pixel electrode, and a blue pixel electrode disposed on the substrate. Each of the red pixel electrode, the green pixel electrode, and the blue pixel electrode includes a transverse stem portion, a longitudinal stem portion, and a fine branch portion. An angle between the transverse stem portion and the fine branch portion of the red pixel electrode, an angle between the transverse stem portion and the fine branch portion of the green pixel electrode, and an angle between the transverse stem portion and the fine branch portion of the blue pixel electrode are different from each other.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: April 26, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Beom Cho, Dong Won Park, Song Yi Han
  • Patent number: 11307469
    Abstract: The present disclosure provides an array substrate and a manufacturing method of the array substrate, a display device. An array substrate comprises: a pixel array, each pixel in the pixel array having a pixel electrode; a transistor array, each transistor in the transistor array having a source electrode; and a connection electrode for electrically connecting the pixel electrode to a corresponding source electrode.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: April 19, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tao Jiang, Yunhai Wan, Binbin Cao, Xianghua Ren