Patents Examined by Anthony G. Quash
  • Patent number: 10678100
    Abstract: The present invention makes it possible to reduce an afterimage phenomenon while preventing an increase in driving voltage. A liquid crystal display device (10) includes: a liquid crystal layer (3) and a pair of substrates which face each other across the liquid crystal layer (3); and an upper electrode (4), a lower electrode (5), and a first insulating layer (6) which are provided in a stack on one substrate (1) of the pair of substrates so that the upper electrode (4) and the lower electrode (5) overlap each other via the first insulating layer (6), the upper layer electrode (4) having an end surface which constitutes an opening of the upper electrode (4), the end surface being forward tapered and forming, with the one substrate (1), an average angle of inclination of not more than 30 degrees.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: June 9, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mitsuru Chida, Emi Yamamoto
  • Patent number: 10649562
    Abstract: The present invention provides an In-Cell touch screen and a display device, which belongs to the field of touch display technology. The FIC capacitive touch screen comprises an array substrate and touch electrodes disposed above or below the array substrate, the touch electrodes comprising a plurality of first capacitive electrodes and a plurality of second capacitive electrodes, wherein the first capacitive electrode comprises a plurality of electrically connected capacitive electrode blocks correspondingly located in areas where at least a portion of sub-pixel units of the array substrate are located. The FIC capacitive touch screen has fewer reports for false touch point.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: May 12, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Honggang Gu, Xiaohe Li, Xianjie Shao, Jie Song
  • Patent number: 10634954
    Abstract: Disclosed is a manufacturing method of a liquid crystal display device which is a manufacturing method of a liquid crystal display device including a liquid crystal alignment film to which an alignment regulating force is imparted by a photo-alignment treatment, including: a film forming step of forming a film containing a polymer whose main chain is cleaved by irradiation with light; a photo-alignment step of imparting an alignment regulating force to the film formed in the film forming step by irradiation of the film with light in an atmosphere of a temperature lower than 100° C.; and a removing step of removing a low-molecular weight component generated by cleaving the main chain of the polymer through the light irradiation after the light irradiation. Also disclosed is a liquid crystal display device manufactured by the manufacturing method.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: April 28, 2020
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Shoichi Uchino, Noboru Kunimatsu, Hidehiro Sonoda, Chikae Matsui, Yuko Matsumoto, Tomio Yaguchi, Toshiki Kaneko, Jun Tanaka
  • Patent number: 10634838
    Abstract: The present disclosure provides a liquid crystal display and a backlight module which includes a reflective sheet, a light guide plate disposed on the reflective sheet, an optical assembly and a light source assembly, the light guide plate including a light guide portion and a support portion disposed to surround the light guide portion, and the optical assembly being located on a top of the light guide portion; and the light source assembly including a plurality of LEDs which are disposed between the support portion and the light guide portion and disposed to be opposite to an incident surface of the light guide portion. The light guide plate according to the present disclosure includes a light guide portion and a support portion disposed to surround the light guide portion, wherein the support portion is used to support the display module and fix the backlight module, thereby omitting a rubber frame.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: April 28, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qian Chen, Zhongjie Liu, Mei Han
  • Patent number: 10627674
    Abstract: The present disclosure relates to a backlight unit and a liquid crystal display device. The liquid crystal display device includes a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel, wherein the backlight unit includes: a light source providing a first color light; a color conversion layer disposed on the light source and converting a part of the first color light into a second color light; an optical sheet between the display panel and the color conversion layer; and an air gap between the color conversion layer and the optical sheet.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: April 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Je-Beom Park, Ji-Su Yoon, Min-Jae Kang, Kyu-Hwan Lee
  • Patent number: 10620477
    Abstract: A display assembly having opposingly disposed display surface and back surface is disclosed herein, which includes a pixel electrode substrate and a common electrode substrate. A liquid crystal layer is sandwiched between, and configured to be in a scattering state if an electric field is applied to, the pixel electrode substrate and the common electrode substrate. A light source at a lateral side of the display assembly generates, and emits into the display assembly, a linearly polarized light having a first polarization direction. A blocking member disposed at the side of the back surface is configured to block a light having the first polarization direction to, and to allow a light having a second polarization direction perpendicular to the first polarization direction to pass therethrough. A method for manufacturing the display assembly, and a display device including one or two display assemblies are also disclosed.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: April 14, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Li, Guangkui Qin
  • Patent number: 10613370
    Abstract: There is provided a display device. The display device includes a first substrate, a second substrate that faces the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. One of the first substrate and the second substrate includes a base substrate and a light blocking pattern disposed on a surface that faces the other surface of both surfaces of the base substrate, the light blocking pattern exposing a part of the base substrate. The light blocking pattern includes a semi-transmission reflective layer a disposed on the base substrate, a phase matching layer disposed on the semi-transmission reflective layer, and a reflective metal layer disposed on the phase matching layer. The phase matching layer and the reflective metal layer include materials having substantially the same etching rate.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: April 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyun Choung, Hong Sick Park, Seung Bae Kang, Ki Tae Kim, Joon Woo Bae, Hee Sung Yang
  • Patent number: 10606118
    Abstract: A display apparatus and a method of controlling the same are disclosed. The display apparatus includes: a light source configured to emit light having a wavelength less than or equal to a predetermined level; a waveguide plate having a slope pattern that allows the light emitted from the light source to be output to a left side or a right side about a vertical direction of an optical axis of the light source; and a display panel comprising a plurality of pixels, each of the plurality of pixels comprising a white sub pixel configured to transmit the light output from the waveguide plate.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: March 31, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Hyun Sohn, Sang Yeon Shin
  • Patent number: 10606091
    Abstract: To provide a naked-eye type stereoscopic display device which can achieve a fine stereoscopic display property while achieving high-definition display and high yield. Aperture parts of sub-pixels neighboring to a first direction include overlapping regions which overlap in a second direction and a non-overlapping region which does not overlap. Provided that a width of the aperture part in the second direction is defined as a longitudinal aperture width, the non-overlapping region includes an aperture width fluctuating region where the longitudinal aperture width changes continuously from roughly a center of the aperture part towards both ends of the first direction, respectively. The sum of the longitudinal aperture widths of the two overlapping regions overlapping with each other at a same position in the first direction is larger than the longitudinal aperture width in roughly the center of the aperture part.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: March 31, 2020
    Assignee: TIANMA MICROELECTRONICS CO., LTD.
    Inventors: Takuya Asai, Koji Shigemura
  • Patent number: 10605981
    Abstract: A light assembly, a backlight module and a liquid crystal display are described. The light assembly includes a carrier, a light guide plate, a light source, a constraining member and a securing unit. The light guide plate is disposed on the carrier and has an incident surface. The light source which emits light towards the light guide plate and is adjacent to the incident surface of the light guide plate. The constraining member is disposed above the carrier and has a constraining surface. The securing unit is used to combine the constraining member with the carrier while the light guide plate is restrained against movement by the constraining surface of the constraining member.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: March 31, 2020
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Teng-Yi Huang, Ming-Cheng Lin, Yung-Chieh Chao
  • Patent number: 10571734
    Abstract: A protective panel for a display device includes a substrate and a light-blocking layer provided over the substrate. A display window is defined on a region of the substrate where the light-blocking layer is not provided. The light-blocking layer includes a first layer which comprises a first material having a first color. The protective panel further includes a hole formed through the light-blocking layer. The hole having an inner sidewall, which is clad with a cladding material having a color different from the first color.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: February 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun Hee Lee
  • Patent number: 10558054
    Abstract: The present disclosure relates to a display apparatus and a three-dimensional display method thereof. A via hole at least passing through a base substrate is formed in an array substrate of a liquid crystal display panel, and a signal line on an upper surface of the array substrate can be connected with a driving chip bonded onto an electroluminescent display substrate, through the via hole on a lower surface of the array substrate and through a conductive material in an optical clear adhesive. A signal line on the electroluminescent display substrate also can be connected with a driving chip bonded onto an upper surface of the array substrate, through the conductive material in the optical clear adhesive on a lower surface of the array substrate and through the via hole.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: February 11, 2020
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Rui Xu, Xiaochuan Chen, Wenqing Zhao, Ming Yang, Pengcheng Lu, Jian Gao, Xiaochen Niu
  • Patent number: 10558077
    Abstract: A wire grid pattern used as a wire grid polarizer included in a display device or a master substrate for fabricating the wire gird polarizer include a substrate; a cell area having a plurality of cells, each of the plurality of cells having a plurality of wires protruding from the substrate and arranged in a substantially parallel relationship at regular intervals; and a bezel area disposed along a periphery of the cell area. The cell area includes a trench area separating at least some of the cells. A method for fabricating the wire grid pattern also is disclosed.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: February 11, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Hwan Jang, Seung Won Park, Tae Woo Kim, Jung Gun Nam, Dae Young Lee, Gug Rae Jo
  • Patent number: 10551662
    Abstract: A display device substrate includes a transparent substrate, a frame member disposed on the transparent substrate and formed in a frame region surrounding a display region, a first transparent resin layer formed on the transparent substrate having the frame member formed thereon, a black matrix formed on the first transparent resin layer such that the display region is divided into plural openings in a matrix form, and a second transparent resin layer formed on the first transparent resin layer on which the black matrix is formed. The frame member includes carbon as a major colorant and has a light shielding property, and the black matrix includes at least one organic pigment as a major colorant.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: February 4, 2020
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yukihiro Kimura, Kenzo Fukuyoshi
  • Patent number: 10551676
    Abstract: A display apparatus includes an optical member disposed on a display panel. The optical member includes a linear polarizer and a ?/4 phase retarder overlapping with green and red pixel areas and not overlapping with a blue pixel area.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon-ah Cho, Kyunghwan Jeon
  • Patent number: 10551670
    Abstract: A liquid crystal display according to an exemplary embodiment of the inventive concept includes a display panel and a color conversion panel disposed on the display panel, in which the color conversion panel includes a color conversion media layer and a scattering layer including a scatterer and at least one of a pigment and a dye adsorbed on the scatterer.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: February 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Young Min Kim, Hae II Park, Seon-Tae Yoon, Baek Hee Lee, Jun Han Lee
  • Patent number: 10520665
    Abstract: A backlight module includes a backboard, a light guide plate arranged on the backboard, an optical film arranged on the light guide plate, a frame fixed with the backboard and configured to fix the light guide plate and the optical film, and an inclined block arranged on an upper surface of the frame. A slant of the inclined block is smoothly connected to the upper surface of the frame. A liquid crystal display having the backlight module is also provided. The backlight module and the LCD including the backlight module supply the glue with wide and broad attaching space. It brings great convenience to processing and assembly of the glue, thereby saving time and costs.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: December 31, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Wei Zhang
  • Patent number: 10514552
    Abstract: The problem of 3D panel display systems either (a) requiring special glasses to separate left and right images, or (b) having auto-stereoscopic 3D with compromised fidelity, is solved by providing, for each of a plurality of left and right sub-pixels, both (1) means for separating the left and right image signals (e.g., alternating wedges, prisms, off-axis self-sourcing pixels, etc.), and (2) means for multiplexing the separated left and right signals to a plurality of viewers (e.g., gratings, such as amplitude gratings, phase gratings, etc.), such that (1) the left image is provided to a plurality of virtual volume apertures (VVAL) containing positions of the left eyes of the plurality of viewers, and (2) the right image is provided to a plurality of virtual volume apertures (VVAR) containing positions of the right eyes of the plurality of viewers.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: December 24, 2019
    Inventor: Duan-Jun Chen
  • Patent number: 10481429
    Abstract: A liquid-crystal varifocal lens includes a liquid crystal lens, and an ultrasonic transducer for generating an ultrasonic wave with a frequency that matches a resonant frequency of the liquid crystal lens. The ultrasonic transducer generates flexural oscillation in the liquid crystal lens such that the flexural oscillation has a vibration intensity decreasing continuously from the center to the circumference of a liquid crystal layer, whereby the thickness of the liquid crystal layer is changed, with the result that the orientation of the liquid crystal molecules is changed.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: November 19, 2019
    Assignee: THE DOSHISHA
    Inventors: Daisuke Koyama, Yuki Shimizu
  • Patent number: 10459301
    Abstract: Provided is a liquid crystal display device including: gate lines formed in a first direction on a second transparent substrate; data lines formed in a second direction; first transparent common electrodes; a protective insulating film; transparent pixel electrodes arranged in the first direction and the second direction and formed so as to be opposed to the first transparent common electrodes on a surface of the protective insulating film; thin film transistors connected to the transparent pixel electrodes; a second transparent common electrode formed on the surface of the protective insulating film; and a liquid crystal layer formed on the protective insulating film, the transparent pixel electrodes, and the second transparent common electrode. The second transparent common electrode covers the gate lines and the data lines through intermediation of the protective insulating film.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: October 29, 2019
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Kikuo Ono