Patents by Inventor Gen Koide

Gen Koide has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220308377
    Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate electrode facing the oxide semiconductor layer and a first gate insulation layer between the oxide semiconductor layer and the first gate electrode, a first transparent conductive layer in contact with the oxide semiconductor layer in a first contact area not overlapping the first gate electrode in a plan view, and a second transparent conductive layer connected to the first transparent conductive layer in a second contact area overlapping the first gate electrode in a plan view and provided in a display area of the pixel.
    Type: Application
    Filed: February 17, 2022
    Publication date: September 29, 2022
    Inventors: Yoshitaka OZEKI, Gen KOIDE, Nobutaka OZAKI, Koshiro MORIGUCHI
  • Publication number: 20220300139
    Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.
    Type: Application
    Filed: June 7, 2022
    Publication date: September 22, 2022
    Inventors: Hayato KURASAWA, Hiroshi MIZUHASHI, Fumitaka GOTOH, Gen KOIDE, Tadayoshi KATSUTA
  • Patent number: 11441260
    Abstract: The present invention provides a sheet-like material in which a plant-derived raw material of low environmental impact is used. The invention also provides a sheet-like material that ideally has a uniform and refined nap and a sheet-like material that is strong, has excellent shape stability, is lightweight and is very pliable. This sheet-like material is characterized in being made of nonwoven fabric that is made of polyester microfiber containing a 1,2-propanediol-derived component in an amount prescribed in the present application and a polyurethane elastomer resin containing structural monomers prescribed in the present application.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: September 13, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Takanori Furui, Makoto Kaneko, Ryuji Shikuri, Gen Koide, Hirohito Yamamoto, Makoto Nishimura, Jun Yoshida
  • Patent number: 11435628
    Abstract: A display device is provided and includes first substrate; first insulating layer on first substrate; first common electrode in first row on first insulating layer; second common electrode in second row on first insulating layer; second insulating layer on first and second common electrodes; pixel electrodes on second insulating layer; first line connected to first common electrode; second line connected to second common electrode; drive signal line outside display area; first transistor between first and drive signal lines; second transistor between second and drive signal lines; second substrate facing first substrate; and liquid crystal layer between first and second substrates; wherein first and second transistors are outside the display area, and second line is longer than first line.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: September 6, 2022
    Assignee: Japan Display Inc.
    Inventor: Gen Koide
  • Publication number: 20220276736
    Abstract: According to an aspect, a display device includes a display panel provided with a display region including a plurality of pixels and with a plurality of detection electrodes. The display panel includes: a plurality of lines of first common wiring configured to transmit pixel signals to be supplied to the pixels and a detection input/output signal to be supplied to the detection electrodes; pixel signal wiring electrically coupled to the pixels; detection electrode wiring electrically coupled to the detection electrodes; a first switching circuit configured to electrically couple or uncouple the first common wiring to or from the pixel signal wiring; and a second switching circuit configured to electrically couple or uncouple the first common wiring to or from the detection electrode wiring.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 1, 2022
    Applicant: Japan Display Inc.
    Inventor: Gen KOIDE
  • Publication number: 20220260880
    Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.
    Type: Application
    Filed: May 2, 2022
    Publication date: August 18, 2022
    Applicant: Japan Display Inc.
    Inventors: Gen KOIDE, Hiroyuki ABE, Kazune MATSUMURA
  • Publication number: 20220244591
    Abstract: According to an aspect, a display device includes: a first substrate having a first side and a second side opposed to the first side; a display region provided with pixels; a first partial peripheral region between the first side and the display region; a second partial peripheral region between the second side and the display region; a plurality of signal lines configured to supply signals to switching elements in the pixels; a plurality of first terminals provided in the first partial peripheral region and configured to be electrically coupled to a driver integrated circuit; a plurality of second terminals provided in the second partial peripheral region and configured to be supplied with signals for inspection; and a first coupling circuit provided between the first terminals and the display region in the first partial peripheral region and configured to switch between coupling and decoupling the signal lines and the second terminals.
    Type: Application
    Filed: April 22, 2022
    Publication date: August 4, 2022
    Applicant: Japan Display Inc.
    Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
  • Patent number: 11385739
    Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: July 12, 2022
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Hiroshi Mizuhashi, Fumitaka Gotoh, Gen Koide, Tadayoshi Katsuta
  • Patent number: 11372296
    Abstract: A liquid crystal display is provided and includes first and second substrates and liquid crystal layer therebetween; pixel electrode on first substrate; pedestal metal coupled to pixel electrode; semiconductor layer substantially U-shaped and coupled to pedestal metal at first coupling portion; scan line that extends in first direction and in layer different from semiconductor layer; signal line that extends in second direction different from first direction so as to three-dimensionally cross scan line, signal line being coupled to semiconductor layer at second coupling portion; and extending portion that is part of scan line and that protrudes from scan line, the extending portion extending along signal line, wherein: in first direction along a shorter side of each pixel unit, extending portion is adjacent to pedestal metal; and in second direction along a longer side of each pixel unit, length of extending portion is smaller than length of pedestal metal.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: June 28, 2022
    Assignee: Japan Display Inc.
    Inventor: Gen Koide
  • Publication number: 20220197075
    Abstract: According to one embodiment, a display device includes a first common electrode and a second common electrode arranged in a first direction, a first switch unit selectively supplying a first drive signal or a second drive signal different from the first drive signal to the first common electrode, and a second switch unit selectively supplying the first drive signal or the second drive signal to the second common electrode, wherein the second common electrode and the first switch unit are arranged in a second direction intersecting the first direction, the first switch unit comprises a first switch circuit and a second switch circuit arranged in the second direction.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Applicant: Japan Display Inc.
    Inventor: Gen KOIDE
  • Patent number: 11360596
    Abstract: According to an aspect, a display device includes a display panel provided with a display region including a plurality of pixels and with a plurality of detection electrodes. The display panel includes: a plurality of lines of first common wiring configured to transmit pixel signals to be supplied to the pixels and a detection input/output signal to be supplied to the detection electrodes; pixel signal wiring electrically coupled to the pixels; detection electrode wiring electrically coupled to the detection electrodes; a first switching circuit configured to electrically couple or uncouple the first common wiring to or from the pixel signal wiring; and a second switching circuit configured to electrically couple or uncouple the first common wiring to or from the detection electrode wiring.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: June 14, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventor: Gen Koide
  • Patent number: 11348549
    Abstract: According to one embodiment, a display device includes a first scanning line, a second scanning line, a signal line, a capacitance line, and a pixel. The pixel includes a pixel electrode, an auxiliary electrode, a first switch, a second switch, and a third switch. The first switch is electrically connected to the signal line, the pixel electrode, and the first scanning line. The second switch is electrically connected to the auxiliary electrode, the first scanning line, and the capacitance line. The third switch is electrically connected to the signal line, the second scanning line, and the auxiliary electrode.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: May 31, 2022
    Assignee: Japan Display Inc.
    Inventors: Hirotaka Hayashi, Gen Koide
  • Patent number: 11347123
    Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: May 31, 2022
    Assignee: Japan Display Inc.
    Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
  • Publication number: 20220165971
    Abstract: According to one embodiment, a transistor substrate includes a substrate, a light source and a sensor element. The light source is mounted on the substrate. The sensor element is mounted on the substrate. The sensor element includes a pixel electrode, a switching element, a common electrode and an organic photo detector layer. The switching element is electrically connected to the pixel electrode. The common electrode is opposed to the pixel electrode. The organic photo detector layer is provided between the pixel electrode and the common electrode. The light source is provided in a same layer as the organic photo detector layer.
    Type: Application
    Filed: November 22, 2021
    Publication date: May 26, 2022
    Applicant: Japan Display Inc.
    Inventor: Gen KOIDE
  • Patent number: 11340505
    Abstract: According to an aspect, a display device includes: a first substrate having a first side and a second side opposed to the first side; a display region provided with pixels; a first partial peripheral region between the first side and the display region; a second partial peripheral region between the second side and the display region; a plurality of signal lines configured to supply signals to switching elements in the pixels; a plurality of first terminals provided in the first partial peripheral region and configured to be electrically coupled to a driver integrated circuit; a plurality of second terminals provided in the second partial peripheral region and configured to be supplied with signals for inspection; and a first coupling circuit provided between the first terminals and the display region in the first partial peripheral region and configured to switch between coupling and decoupling the signal lines and the second terminals.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: May 24, 2022
    Assignee: Japan Display Inc.
    Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
  • Patent number: 11335841
    Abstract: An LED module includes a first metal layer disposed on a base surface and an LED chip disposed on the first metal layer. The first metal layer includes a first end portion forming a contour away from the base surface, and a curved portion between a region overlapping the LED chip and the first end portion.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: May 17, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventors: Yasuhiro Kanaya, Gen Koide
  • Patent number: 11327374
    Abstract: A display device includes a first direction, a plurality of pixels arranged in a second direction intersecting the first direction, at least one scanning signal line connected to the plurality of pixels, a scanning signal line driving circuit connected to the scanning line, the scanning signal line driving circuit includes a switch for outputting a signal to the scanning signal line, a first power supply line for providing a first voltage to the switch, a second power supply line for providing a second voltage smaller than the first voltage to the switch, and the switch is provided between the first power supply line and the second power supply line, a line width of the second power supply line is 4 times the line width of the first power supply line or more and 40 times the line width of the first power supply line or less.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: May 10, 2022
    Assignee: Japan Display Inc.
    Inventors: Masataka Ikeda, Gen Koide
  • Publication number: 20220113186
    Abstract: A detection device includes: detection elements; scan lines coupled to the detection elements and configured to supply drive signals to the detection elements; output signal lines coupled to the detection elements, detection signals from the detection elements being output to the output signal lines; a drive circuit configured to supply the drive signals to the detection elements; and a detection circuit configured to be supplied with the detection signals through the output signal lines. Each detection element includes a photoelectric conversion element, a source follower transistor configured to output a signal corresponding to an electrical charge of the photoelectric conversion element, and a read transistor configured to read the output signal of the source follower transistor and output the detection signal. During a reset period, an initial voltage obtained by superimposing a reference voltage on a threshold voltage of the source follower transistor is applied to the photoelectric conversion element.
    Type: Application
    Filed: October 8, 2021
    Publication date: April 14, 2022
    Inventor: Gen KOIDE
  • Patent number: 11300840
    Abstract: According to one embodiment, a display device includes a first common electrode and a second common electrode arranged in a first direction, a first switch unit selectively supplying a first drive signal or a second drive signal different from the first drive signal to the first common electrode, and a second switch unit selectively supplying the first drive signal or the second drive signal to the second common electrode, wherein the second common electrode and the first switch unit are arranged in a second direction intersecting the first direction, the first switch unit comprises a first switch circuit and a second switch circuit arranged in the second direction.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: April 12, 2022
    Assignee: Japan Display Inc.
    Inventor: Gen Koide
  • Publication number: 20220091465
    Abstract: According to one embodiment, a display device comprises image signal lines, scanning signal lines, pixels, a display area, pixel electrodes, and common electrodes. The common electrodes are configured to detect an object and to display an image in the display area. The common electrodes include first and second common electrodes which are arranged in a first direction. A first slit is provided between the first and second common electrodes. The first and second common electrodes are supplied a signal different from each other. A second slit is provided in the first common electrode. Each of the first slit and the second slit overlaps one of the image signal lines and extends in an extension direction in which the image signal line extends.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Applicant: JAPAN DISPLAY INC.
    Inventors: Kenta SEKI, Gen KOIDE, Hayato KURASAWA