Patents Examined by Thanh-Nhan P Nguyen
  • Patent number: 10824004
    Abstract: A vehicular rearview assembly includes an electro-optic element. A first substrate defines a first element surface and a second element surface. A first polarizer is coupled to the second element surface. A second substrate is spaced away from the first substrate and defines a third element surface and a fourth element surface. An electro-optic material is positioned between the first and second substrates. A second polarizer is coupled to the second substrate. A display is configured to emit light having a first polarization toward the second polarizer.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: November 3, 2020
    Assignee: GENTEX CORPORATION
    Inventors: David J. Cammenga, Adam R. Heintzelman, Xiaoxu Niu
  • Patent number: 10816838
    Abstract: A display panel capable of resisting external shock forces includes a display module to display an image having a first surface and a second surface, a first layer disposed on the second surface of the display module, and at least one second layer adjacent to the first buffer layer and having at least one opening configured to receive a deflected portion of the first layer.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: October 27, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Gyeong Ho Jeong
  • Patent number: 10802325
    Abstract: A display panel and a fabricating method are provided. A display panel may include a top substrate, a bottom substrate, and a display medium layer. The display medium layer may be disposed between the top substrate and the bottom substrate. The top substrate may include a support plate and a light shielding layer. The support plate may have a bottom surface facing the display medium layer and a top surface. The support plate includes a recess structure formed at the top surface and encircling an active region of the top substrate. The light shielding layer is disposed on the top surface of the support plate. The recess structure is at least partially located between the active region and the light shielding layer. A bottom surface of the light shielding layer may be further from the bottom surface of the support plate than a bottom surface of the recess structure.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: October 13, 2020
    Assignee: Himax Display, Inc.
    Inventor: Po-Hung Pan
  • Patent number: 10802306
    Abstract: A viewing angle switchable device including an absorptive polarizer, a reflective polarizer and an electrically controlled viewing angle switching element is provided. A transmission axis of the reflective polarizer is parallel to a transmission axis of the absorptive polarizer. The electrically controlled viewing angle switching element is disposed between the absorptive polarizer and the reflective polarizer and includes two transparent substrates, two transparent conductive layers and a liquid crystal layer including a plurality of liquid crystal molecules. When there is a potential difference between the two transparent conductive layers, an orthogonal projection of an optical axis of each of the plurality of liquid crystal molecules on the absorptive polarizer is parallel to or perpendicular to the transmission axis of the absorptive polarizer and the transmission axis of the reflective polarizer. A viewing angle switchable display module including the viewing angle switchable device is also provided.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 13, 2020
    Assignee: Coretronic Corporation
    Inventors: Ping-Yeng Chen, Chong-Yang Fang, Yang-Ching Lin, Jen-Wei Yu
  • Patent number: 10802201
    Abstract: A display apparatus includes a display module which displays an image and a backlight unit disposed below the display module. The backlight unit includes a light source which generates light, a light guide member including a light incident surface which receives the light from the light source and an opposite surface facing the light incident surface in a first direction, and a light collection member which is disposed on the light guide member and receives the light from the light guide member to control a traveling direction of the light so that the light travels to the display module. The light collection member includes an upper light collection layer including upper light collection patterns, each of which has a curved top surface and a lower light collection layer including lower light collection patterns and an intermediate layer which covers the lower light collection patterns.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangsoo Bae, Jungsuk Bang, Minjeong Oh, Haeju Yun
  • Patent number: 10802268
    Abstract: An organic light emitting display panel includes a first substrate, a second substrate arranged opposite to the first substrate, a display layer on a side of the first substrate facing the second substrate, and a viewing angle control layer on a side of the second substrate facing the first substrate, the viewing angle control layer configured to change an output path of light input from the display layer by changing a shape based on a control signal.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: October 13, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyunwoo Lee
  • Patent number: 10788727
    Abstract: A liquid crystal light deflector includes a first electrode layer including a plurality of pattern electrodes arranged with a constant pitch in a first direction on a first substrate, a first alignment layer covering the first electrode layer and having a plurality of concave portions formed on an upper surface thereof and extending in parallel to a second direction perpendicular to the first direction, a liquid crystal layer including a plurality of liquid crystal molecules each having a long diameter substantially parallel to the concave portions on the first alignment layer, a second electrode layer, which is a common electrode, disposed on the liquid crystal layer, and a second substrate disposed on the second electrode layer.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: September 29, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kim, Yunhee Kim, Hoon Song, Kanghee Won, Yeonhee Kim, Kideok Bae, Hongseok Lee
  • Patent number: 10788616
    Abstract: Embodiments of the present disclosure provide backlight module, display device and driving method. The backlight module comprises: light guide plate for emitting light from light-exiting surface of the light guide plate along light-exiting direction; monochromatic light sources of different colors located on a side of the light guide plate on which incident surface is located; optical path adjusting portion located on the incident surface of the light guide plate, for making light emitted by the monochromatic light sources be incident to the light guide plate from the incident surface of the light guide plate at different incident angles, wherein the light incident to the light guide plate is propagated with a total reflection; and light extracting gratings arranged in an array, located on the light-exiting surface of the light guide plate, for extracting the light with same preset angle.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: September 29, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Jifeng Tan
  • Patent number: 10785354
    Abstract: The embodiments of the disclosure provide a display assembly and a mobile terminal, relate to a technical field of mobile terminal. The display assembly may include a display screen and a positioning member. The display screen may include a bottom face and a display face. The display screen defines a light transmitting hole in the display screen and at least penetrating through the bottom face. The positioning member is positioned on the bottom face and located at a periphery of the light transmitting hole. The positioning member is configured to limit a movement of a functional device received in the light transmitting hole in a direction parallel to the bottom face.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: September 22, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNCATIONS CORP., LTD
    Inventor: Jiao Cheng
  • Patent number: 10768440
    Abstract: A barrier panel for a display device includes a first substrate and a second substrate facing each other with a liquid crystal layer therebetween, a plurality of first barrier electrodes that extend along a second direction on the first substrate and are operated individually, a second barrier electrode that is on the second substrate and includes a plurality of electrode patterns which are separated from each other with respect to a first direction perpendicular to the second direction, and a plurality of column spacers between the first and second substrates.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: September 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Da-Hee Lee
  • Patent number: 10768418
    Abstract: A head-up display device has a backlight unit configured to illuminate a liquid crystal panel from a back side. The backlight unit has an optical condenser configured to condense the light emitted from a light source toward the liquid crystal panel, and a microlens array arranged in an optical path between the optical condenser and the liquid crystal panel to diffuse the light condensed by the optical condenser. The microlens array has a light emission face arranged in a position optically conjugated with an eyebox to emit the light incident from the optical condenser.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: September 8, 2020
    Assignee: YAZAKI CORPORATION
    Inventor: Noriaki Narushima
  • Patent number: 10754214
    Abstract: According to one embodiment, a liquid crystal display device including: a first substrate; a second substrate that is disposed so as to be opposed to the first substrate; a first wiring provided on the first substrate along a first direction; a second wiring provided along a second direction intersecting with the first direction; a thin-film transistor provided at an intersection between the first wiring and the second wiring; an organic insulating film formed on the thin-film transistor; a first opening that penetrates the organic insulating film; an island-shaped electrode that covers at least a part of an edge portion of a side surface portion and a bottom portion of the first opening; an inorganic insulating film that covers a common electrode and the island-shaped electrode; a second opening that penetrates the inorganic insulating film; and a pixel electrode formed on the inorganic insulating film and electrically connected to the island-shaped electrode through the second opening, wherein a bottom port
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: August 25, 2020
    Assignee: Japan Display Inc.
    Inventors: Shumpei Takeuchi, Akio Ota
  • Patent number: 10756118
    Abstract: A display device includes a liquid crystal element, a transistor, a scan line, and a signal line. The liquid crystal element includes a pixel electrode, a liquid crystal layer, and a common electrode. The scan line and the signal line are each electrically connected to the transistor. The scan line and the signal line each include a metal layer. The transistor is electrically connected to the pixel electrode. A semiconductor layer of the transistor includes a stack of a first metal oxide layer and a second metal oxide layer. The first metal oxide layer includes a region with lower crystallinity than the second metal oxide layer. The transistor includes a first region connected to the pixel electrode. The pixel electrode, the common electrode, and the first region are each configured to transmit visible light. Visible light passes through the first region and the liquid crystal element and exits from the display device.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: August 25, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kenichi Okazaki, Daisuke Kurosaki, Yasutaka Nakazawa, Kazunori Watanabe, Koji Kusunoki
  • Patent number: 10747065
    Abstract: The present disclosure discloses a display panel and a display device. The display panel comprises a switch array substrate, an opposite substrate and a display medium layer. The switch array substrate includes a scanning line; the opposite substrate includes a color resistance layer and a plurality of spacers, the projections of the first color resistance and the second color resistance on the switch array substrate and the scanning line respectively have a first overlapping region and a second spacer; and a first distance from a first color resistance to the switch array substrate is less than a second distance from a second color resistance to the switch array substrate.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: August 18, 2020
    Assignee: HKC Corporation Limited
    Inventor: Jianfeng Shan
  • Patent number: 10747041
    Abstract: A display device with a position input function includes pixel electrodes, signal lines, a common electrode, a position detection electrode, and position detection lines. The signal lines are disposed adjacent to the pixel electrodes. The common electrode is disposed to overlap the pixel electrodes via an insulating film. The position detection lines are connected to the one position detection electrode via a contact hole formed in the insulating film that is disposed between the common electrode and the position detection lines. Each of the position detection lines is disposed between the signal line and the pixel electrode such that two of the position detection lines sandwich the pixel electrodes and the signal lines. An interval between two of the signal lines that sandwich the pixel electrodes and the position detection lines is larger than an interval between two of the signal lines that sandwich the pixel electrodes.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: August 18, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Junichi Morinaga
  • Patent number: 10739630
    Abstract: A touch display panel and a touch display device are provided. The touch display panel, comprising an array substrate and a color filter substrate are cell-assembled, and a liquid crystal layer positioned between the array substrate and the color filter substrate. The array substrate includes a first substrate, a black matrix layer, a touch sensing layer, a first electrode layer and a pixel electrode layer are sequentially positioned, the pixel electrode layer is nearby the liquid crystal layer, the first substrate layer is positioned on a side of the pixel electrode which far away the liquid crystal layer. The touch display panel using the first substrate for controlling the touch display panel displays image while touch, the touch electrode field and driving electrode file in the touch display panel are not effect to each other, such that avoids to decrease resolution of touch display panel.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: August 11, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yucheng Tsai, Zhou Zhang, Pan Xu, Changwen Ma
  • Patent number: 10705257
    Abstract: A display panel, a backlight module and a display device are provided in embodiments of the disclosure, the display panel comprising: a first substrate and a second substrate provided opposite to the first substrate, and a plurality of pixels arranged in an array between the first substrate and the second substrate, each pixel comprising at least three sub-pixels of different colors; and a region of the display panel corresponding to at least one of the sub-pixels of different colors is further provided with a respective photonic crystal layer, which is configured to filter a light ray in a predetermined waveband and to obtain a color of an emergent light from the region of the display panel corresponding to the at least one of the sub-pixels similar to an object color thereat.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: July 7, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Bo Shi, Yuanming Feng
  • Patent number: 10705360
    Abstract: A method of manufacturing a curved display panel by reducing a thickness of a flat display panel comprising a first substrate and a second substrate, the method includes: polishing a portion that is to form a protrusion on an edge of at least one of the first substrate and the second substrate to a preset thickness through mechanical polishing; masking the portion that is to form the protrusion, polished to the preset thickness in the polishing, using a masking member so as to prevent the portion from being etched by an etchant; and etching the display panel to a preset thickness by the etchant so as to be thinner than the portion masked by the masking member to make the protrusion protrude therefrom.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: July 7, 2020
    Assignee: TOVIS CO., LTD.
    Inventors: Kyung Ha Lee, Ryongmin Park, In Suk Lee
  • Patent number: 10698260
    Abstract: A liquid crystal display device includes: a backlight unit including: a light-emitting diode (LED) assembly including a plurality of LEDs, a glass diffuser above the LEDs, and a reflector under the LEDs, a liquid crystal panel above the glass diffuser, a portion of a back edge thereof being attached to the glass diffuser by a first adhesive member having a first width, a main frame surrounding a side of the liquid crystal panel and the backlight unit, the main frame including: a vertical portion, and a guide bar, the guide bar protruding from the vertical portion, and a bottom frame including a lower surface under the backlight unit, wherein the glass diffuser is above the main frame, and wherein the main frame is attached to a portion of the glass diffuser by a second adhesive member having a second width greater than the first width.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: June 30, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Ji Soo Kim, Jae Lyang Kim
  • Patent number: 10690808
    Abstract: Aspects disclosed herein relate to color filters for display devices, and more specifically to color filters for transmitting or reflecting and recycling colors of light in liquid crystal display devices. In one aspect, a metasurface is formed between two polarizers in an LCD device. In another aspect, a metasurface is formed on a white light guide of an LCD device. The metasurface is formed to transmit desired color(s) of light and to reflect undesired color(s) of light back into the light guide to be recycled and passed through the LCD device elsewhere. Using the color filter to recycle reflected colors of light increases the efficiency of the display device, such as the LCD device.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: June 23, 2020
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Rutger Meyer Timmerman Thijssen, Robert Jan Visser, Tapashree Roy