Patents Examined by Charles S Chang
  • Patent number: 11366351
    Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a retroreflective layer disposed on a light-emitting side, wherein the retroreflective layer includes a retroreflective region and a transmissive region, the retroreflective region is configured to reflect light irradiated on the retroreflective region along an opposite direction of an incident direction or close to the opposite direction of the incident direction; the display panel comprises a pixel region and a pixel define region for defining the pixel region, and the pixel region is at least partially overlapped with the transmissive region along a thickness direction of the display panel.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: June 21, 2022
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Jun Xu, Qing Zhang, Fusheng Huang, Shouzheng Wu
  • Patent number: 11353770
    Abstract: An optical device includes a lens including a reflective mirror, a display module on at least one side surface of the lens and configured to display an image, and a dynamic prism module between the display module and the lens and configured to receive the image. The dynamic prism module is configured to be dynamically turned on or off to provide the received image to different positions of the reflective mirror.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: June 7, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaejoong Kwon, Jinoh Kwag, Juhwa Ha, JeongWoo Park, Subin Jung
  • Patent number: 11348950
    Abstract: An array substrate and a display panel are provided. The present disclosure can form a capacitor by having a first metal layer which forms a start pulse signal line to be a first plate, and having a second metal layer which is connected to a peripheral common electrode line to be a second plate, thereby achieving electrostatic protection. In addition, by designing the start pulse signal line from an original wire-wound type to a grid shape, accumulated electric charges accumulated in the start pulse signal line can be effectively eliminated, thereby reducing probability of electrostatic discharge in the start pulse signal line.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: May 31, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Suping Xi
  • Patent number: 11340485
    Abstract: An LCD device defining a display area includes a backlight module for providing light, an LCD panel stacked on the backlight module, and a fingerprint sensor in the backlight module. The fingerprint sensor is positioned in the display area and defines a fingerprint sensing area in the display area.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: May 24, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Hung-Yun Huang
  • Patent number: 11340653
    Abstract: Electronic devices may be provided having internal components mounted to a structural glass support member. The structural glass support member may have a planar front surface that forms a front surface of the device. The structural glass support member may have bent portions that form sidewall surfaces of the device. Portions of the structural glass support member may form a transparent display cover layer. A rigid or flexible display may be mounted to the structural glass support member. Additional internal device components may be mounted to the display. A thin enclosure for enclosing the internal components in the device may be mounted to the structural glass support member. The thin enclosure may be mounted to the structural glass support member using a peripheral member. The thin enclosure may be free from attachments to internal components or may be adhesively bonded to one or more internal components.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: May 24, 2022
    Assignee: APPLE INC.
    Inventors: Jeremy C. Franklin, Fletcher R. Rothkopf, John P. Ternus, Kevin D. Gibbs
  • Patent number: 11333923
    Abstract: A display panel module including a display panel is provided, which defines a camera region. A backlight assembly disposed under the display panel, and a camera disposed under the backlight assembly; the backlight assembly includes a circuit board and light source units disposed on the circuit board at intervals; the circuit board in the backlight assembly is inclined downward and recessed at a position corresponding to the camera region to form a hollow funnel shape with a larger top opening and a smaller bottom opening; the top opening of the hollow funnel adjacent to the display panel is defined as a first opening, and the bottom opening adjacent to the camera is defined as a second opening; and light incident from outside can enter the camera through the first and second openings. The invention provides a display panel module, which provides a novel under-screen camera solution.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: May 17, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yong Yang
  • Patent number: 11327371
    Abstract: According to one embodiment, a relay substrate provided between a liquid crystal panel and a controller includes first connectors. The controller includes a microcomputer and second connectors. The relay substrate and the controller include a line pattern to form a test circuit which feeds a test signal back to an input pin of the microcomputer from an output pin of the microcomputer, and which transfers the test signal between the controller and the relay substrate in each pair of the first connectors and the second connectors. The microcomputer outputs the test signal from the output pin, and determines a connecting state of the cables that connect the relay substrate and the controller based on a state of feedback of the test signal to the input pin.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: May 10, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takafumi Fujita, Seiji Furumoto
  • Patent number: 11327365
    Abstract: The present application provides an apparatus for fabricating a display substrate of a liquid crystal display panel. The apparatus includes a support for receiving a mother substrate having a plurality of display substrate units and a photoalignment material layer on the plurality of display substrate units; a plurality of polarizers including a first polarizer having a first light transmission axis, and a second polarizer having a second light transmission axis non-parallel to the first light transmission axis; and a light source for irradiating a light on a first display substrate unit of the plurality of display substrate units through the first polarizer and on a second display substrate unit of the plurality of display substrate units through the second polarizer.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chengyong Zhan, Ting Wan, Jinliang Hu, Wenming Ren
  • Patent number: 11320573
    Abstract: In order to make a step of forming an coated-type polarizer easier, provided is a display device including, from a lower layer, a TFT layer, a light-emitting layer, a sealing layer, and a polarization layer in this order, in which the polarization layer includes a polymerizable liquid crystal layer containing a polymerizable liquid crystal into which a dichroic pigment is mixed and an alignment film coming in contact with a portion of the polymerizable liquid crystal layer to align the polymerizable liquid crystal contained in the polymerizable liquid crystal layer with which the alignment film is in contact, and in a display region, a region in which the polymerizable liquid crystal layer and the alignment film of the polarization layer come into contact with each other is a polarization portion, and in a frame region surrounding the display region, a region in which the polymerizable liquid crystal layer and the alignment film of the polarization layer do not come in contact with each other is a black fr
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: May 3, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Masahiro Hasegawa
  • Patent number: 11314135
    Abstract: Provided are an array substrate and a method for manufacturing the same, a display device and a method for manufacturing the same. In the array substrate, the drain of the thin film transistor is extended to form a drain extension line, wherein the drain extension line is between adjacent sub-pixel units of the pixel region, thus it can block the light at the boundary between the sub-pixel units, thereby avoiding light leakage duo to the disordered electric field at the boundary between the sub-pixel units. The array substrate of the present disclosure is suitable for a multi-domain oriented IPS mode array substrate. The drain extension line can be used as a light blocking strip to prevent light leakage due to the disordered electric field at the boundary between the sub-pixels, and is overlapped with the middle portion of the common electrode line to form a storage capacitor.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunping Long, Xinyin Wu, Yong Qiao
  • Patent number: 11314136
    Abstract: An active matrix substrate is provided with a demultiplexer circuit. Each unit circuit of the demultiplexer circuit splits the display signal from a single signal output line to n source bus lines. Each unit circuit includes n branch lines and n switching TFTs. The demultiplexer circuit includes boost circuits configured to boost the voltage applied to the gate electrodes of the switching TFTs. Each boost circuit includes a set section that pre-charges a node connected to the gate electrode, a boost section that boosts the potential of the node pre-charged by the set section, and a reset section that resets the potential of the node. The demultiplexer circuit includes an equalizer circuit configured to perform charge sharing by electrically connecting a first node boosted by the boost section of a first boost circuit and a second node boosted by the boost section of a second boost circuit.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: April 26, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Kaoru Yamamoto
  • Patent number: 11314133
    Abstract: The present disclosure provides a source driver and a display panel. The source driver includes a printed circuit board, a flip-chip film, a source driver chip, a first connection line, and a test point. The source driver chip is encapsulated on the flip-chip film and connected to the display panel through the first connection line, and the first connection line is connected to the test point, wherein a conductive pattern is formed on the flip-chip film, the conductive pattern is grounded through a ground line, and the conductive pattern includes a tip portion configured to form a tip discharge effect to discharge static electricity on the test point to the ground line. Therefore, the present disclosure can conduct static electricity through the tip portion when electrostatic discharge occurs, thereby preventing the electrostatic discharge from damaging the driver chip through a test point path.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: April 26, 2022
    Inventor: Yongquan Chen
  • Patent number: 11314083
    Abstract: A near-eye display system includes a display panel to present image frames to the eyes of a user for viewing. The system also includes a beam steering assembly facing the display panel that is configurable to displace a light beam incident on the beam steering assembly, thereby laterally shifting light relative to an optical path of the light beam incident on the beam steering assembly. The beam steering assembly includes a birefringent plate configurable to replicate a light ray incident on the beam steering assembly such that the replicated light ray is laterally shifted relative to an optical path of the light ray incident on the beam steering assembly.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: April 26, 2022
    Assignee: Google LLC
    Inventors: John D. Perreault, Patrick Llull, Brion Koprowski
  • Patent number: 11314132
    Abstract: An array substrate and a display panel are provided. The array substrate includes a substrate, a thin film transistor layer disposed on the substrate, and a pixel electrode layer disposed on the thin film transistor layer. The pixel electrode layer includes a plurality of pixel regions, and the pixel regions include a first pixel region and a second pixel region. A pixel electrode in the second pixel region is disposed along an outer boundary of the first pixel region, or a pixel electrode in the first pixel region is disposed along an outer boundary of the second pixel region.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: April 26, 2022
    Assignee: TCL China Star Optoelectrenics Technology Co., Ltd.
    Inventors: Kaili Qu, Yoonsung Um
  • Patent number: 11307472
    Abstract: A display panel and a display device are provided. The display panel includes a plurality of pixel units, which includes a first pixel unit and a second pixel unit. The first and second pixel units are adjacently arranged in a vertical direction. The first pixel unit includes a first subpixel, and the second pixel unit includes a second subpixel corresponding to the first subpixel. The first subpixel includes a first region and a second region which are vertically arranged. The second region arranged closer to the second subpixel with respect to the first region includes a third region. A transmittance of the first region is smaller than a transmittance of the second region, and the ratio of the area of the second region to the area of the third region is smaller than or equal to 4:6 and greater than or equal to 3:7.
    Type: Grant
    Filed: September 27, 2020
    Date of Patent: April 19, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Huailiang He
  • Patent number: 11307471
    Abstract: An array substrate, a display, and a manufacturing method are provided. The array substrate is provided with a first notch on at least one of two sides in a width direction of the second fan-out line, wherein a portion of the insulating layer fills into the first notch in a direction towards the second fan-out line to form a recess part corresponding to the first notch, the recess part defining a groove. A protruding part is provided on at least one of two sides in a width direction of the first fan-out line, where a part of the protruding part fills into the groove in a direction towards the insulation layer to form a protrusion corresponding to the groove.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: April 19, 2022
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Mingxuan Liu, Xiangmeng Zhang, Honggang Liang, Zumou Wu, Honghui Wang, Hongming Qu, Xiangqian Ding, Yongzhi Song
  • Patent number: 11307468
    Abstract: The present disclosure provides an array substrate and a manufacturing method of the array substrate. The method includes sequentially forming an active layer and an insulating layer on a substrate; forming a common electrode layer and a first metal layer on the insulating layer using a same photomask, wherein the common electrode layer includes touch electrodes; and forming a second metal layer on the pixel electrode layer, wherein the second metal layer includes touch signal lines, and the touch signal lines electrically are electrically connected to the touch electrodes.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: April 19, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuan Yan, Yong Xu, Dewei Song, Fei Ai
  • Patent number: 11307461
    Abstract: Provided is a display device. The display device includes a liquid crystal display panel and an optical film disposed above the liquid crystal display panel, the optical film comprising a first pattern layer having a first refractive index and a second pattern layer having a second refractive index different from the first refractive index and disposed on the first pattern layer. The first pattern layer includes a first base part and a plurality of first protrusions. Each of the first protrusions includes a bottom surface adjacent to the first base part, an upper surface facing the bottom surface, and side surfaces between the bottom surface and the upper surface. Each of the side surfaces is perpendicular to the bottom surface and the upper surface.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jongho Son, Young Gu Kim, Jiyun Park, Jongmin Ok, Sun-Young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
  • Patent number: 11287696
    Abstract: A liquid crystal display module includes: a liquid crystal panel; a back chassis having a bottom that supports a substrate, the substrate having a plurality of light sources; a frame having four independent wall members respectively extending in parallel to four sides of the liquid crystal panel, the frame supporting the liquid crystal panel; a bezel having four independent plate-like members disposed so as to surround the four sides of the liquid crystal panel and the four independent wall members; an optical film laminate disposed between the liquid crystal panel and the frame; a first reflective sheet opposed to the four independent wall members, and having a bottom face that has a plurality of apertures through which the plurality of light sources are respectively exposed; and four independent second reflective sheets disposed between the liquid crystal panel and the respective four independent wall members.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: March 29, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Motoaki Okitsu
  • Patent number: 11287705
    Abstract: The invention concerns a liquid crystal spatial light modulator (101) comprising: a liquid crystal layer (7); and on at least one side of the liquid crystal layer (7), at least one photovoltaic cell (456), each photovoltaic cell (456) comprising a photosensitive layer (5) comprising electron-donating (D) molecules and electron accepting (A) molecules, each photovoltaic cell (456) being arranged for spontaneous photovoltage under illumination. Electron-donating molecules and electron accepting molecules are preferably blended and form preferably an organic bulk heterojunction layer.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: March 29, 2022
    Inventors: Thomas M. Heiser, Thomas M. Regrettier, Malgosia Kaczmarek