Patents by Inventor Koshiro Moriguchi

Koshiro Moriguchi 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: 20240088164
    Abstract: A display device including a plurality of pixels arranged in a matrix on a substrate along a first direction and a second direction intersecting the first direction, wherein each of the plurality of pixels includes a transistor, a first transparent conductive layer arranged over the transistor and electrically connected to the transistor, a first insulating layer arranged over the first transparent conductive layer, a second transparent conductive layer arranged in the first insulating layer and electrically connected to the first transparent conductive layer via an opening extending over the plurality of pixels arranged in line in the first direction, a filling member arranged over the second transparent conductive layer to fill the interior of the opening, a third transparent conductive layer arranged on the first insulating layer and the filling member, and a metal layer in contact with the third transparent electrode.
    Type: Application
    Filed: September 8, 2023
    Publication date: March 14, 2024
    Inventors: Nobutaka OZAKI, Yoshitaka OZEKI, Koshiro MORIGUCHI
  • Patent number: 11906870
    Abstract: According to one embodiment, a display device includes a first conductive layer, a second conductive layer overlapping the first conductive layer, a first capacitive portion located in a same layer as the first conductive layer, a second capacitive portion located in a same layer as the second conductive layer and overlapping the first capacitive portion, a first inorganic insulating film located between the first conductive layer and the second conductive layer and between the first capacitive portion and the second capacitive portion, a drain electrode electrically connected to the second capacitive portion, a pixel electrode electrically connected to the drain electrode.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: February 20, 2024
    Assignee: Japan Display Inc.
    Inventors: Koji Ishizaki, Yoshitaka Ozeki, Takahiro Takeuchi, Koshiro Moriguchi, Tomoyasu Hirano
  • Publication number: 20240045295
    Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate wiring facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate wiring, a first transparent conductive layer provided on at least a first insulating layer on the first transistor, the first transparent conductive layer having an area overlapping the gate wiring and being in contact with the oxide semiconductor layer in a first contact area not overlapping the gate wiring, a second transparent conductive layer provided above at least a second insulating layer on the first transparent conductive layer and being in contact with the first transparent conductive layer at a second contact area overlapping the gate wiring, and a third transparent conductive layer provided between the second transparent conductive layer and the second insulating layer.
    Type: Application
    Filed: October 19, 2023
    Publication date: February 8, 2024
    Inventors: Yoshitaka OZEKI, Nobutaka OZAKI, Koshiro MORIGUCHI
  • Publication number: 20240019745
    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 insulatin 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: September 26, 2023
    Publication date: January 18, 2024
    Inventors: Yoshitaka OZEKI, Gen KOIDE, Nobutaka OZAKI, Koshiro MORIGUCHI
  • Patent number: 11829042
    Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate wiring facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate wiring, a first transparent conductive layer provided on at least a first insulating layer on the first transistor, the first transparent conductive layer having an area overlapping the gate wiring and being in contact with the oxide semiconductor layer in a first contact area not overlapping the gate wiring, a second transparent conductive layer provided above at least a second insulating layer on the first transparent conductive layer and being in contact with the first transparent conductive layer at a second contact area overlapping the gate wiring, and a third transparent conductive layer provided between the second transparent conductive layer and the second insulating layer.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: November 28, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshitaka Ozeki, Nobutaka Ozaki, Koshiro Moriguchi
  • Publication number: 20230324749
    Abstract: A display device includes a display area, a frame area surrounding the display area, a plurality of pixel circuit in the display area, a peripheral circuit in the frame area, and wirings connecting the pixel circuit and the peripheral circuit, wherein the peripheral circuit incudes a plurality of switch circuits along a direction away from the display area, a plurality of relay electrodes between the display area and the plurality of switch circuits, and a plurality of connecting wirings connecting each of the plurality of relay electrodes and each of the plurality of switch circuits, and the plurality of relay electrodes is connected to the wirings, and one of the plurality of connecting wirings connecting one of the plurality of switch circuits and one of the plurality of relay electrodes intersects at least one of the other plurality of switch circuits in a plan view.
    Type: Application
    Filed: June 12, 2023
    Publication date: October 12, 2023
    Inventors: Yoshitaka OZEKI, Koshiro MORIGUCHI
  • Patent number: 11774820
    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: Grant
    Filed: February 17, 2022
    Date of Patent: October 3, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshitaka Ozeki, Gen Koide, Nobutaka Ozaki, Koshiro Moriguchi
  • Patent number: 11776295
    Abstract: A detection device is provided and includes substrate; drive electrode provided on substrate; detection electrode provided on substrate and capacitively coupling with drive electrode; first thin film transistor connected to drive electrode and second thin film transistor connected to first thin film transistor, first insulating film and second insulating film both stacked on substrate, wherein first thin film transistor comprises first gate electrode and first semiconductor layer, second thin film transistor comprises second gate electrode and second semiconductor layer, first semiconductor layer and second semiconductor layer are in same layer and are located between first insulating film and second insulating film, first gate electrode opposes first semiconductor layer via first insulating film, second gate electrode opposes second semiconductor layer via second insulating film, and distance from first gate electrode to first semiconductor layer is greater than distance from second gate electrode to second
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: October 3, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshitaka Ozeki, Hayato Kurasawa, Toshinori Uehara, Koshiro Moriguchi
  • Publication number: 20230253411
    Abstract: A display device includes a first transistor having an oxide semiconductor layer, a gate wiring opposite the oxide semiconductor layer, a gate insulating layer between the semiconductor layer and the gate wiring, a first insulating layer including at least one insulating layer having a first contact hole outside the gate wiring, a planarization film having a second contact hole overlapping the first contact hole, a first transparent conductive layer including an area overlapping the gate wiring, a second insulating layer covering a side of the second contact hole, a second transparent conductive layer in contact with the oxide semiconductor layer through the first and second contact hole, a first resin filling the first and second contact hole coated by the second transparent conductive layer, and a third transparent conductive layer on the second transparent conductive layer and the first resin.
    Type: Application
    Filed: April 19, 2023
    Publication date: August 10, 2023
    Inventors: Yoshitaka OZEKI, Nobutaka OZAKI, Koshiro MORIGUCHI
  • Patent number: 11714323
    Abstract: A display device includes a display area, a frame area surrounding the display area, a plurality of pixel circuit in the display area, a peripheral circuit in the frame area, and wirings connecting the pixel circuit and the peripheral circuit, wherein the peripheral circuit incudes a plurality of switch circuits along a direction away from the display area, a plurality of relay electrodes between the display area and the plurality of switch circuits, and a plurality of connecting wirings connecting each of the plurality of relay electrodes and each of the plurality of switch circuits, and the plurality of relay electrodes is connected to the wirings, and one of the plurality of connecting wirings connecting one of the plurality of switch circuits and one of the plurality of relay electrodes intersects at least one of the other plurality of switch circuits in a plan view.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: August 1, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshitaka Ozeki, Koshiro Moriguchi
  • Patent number: 11664385
    Abstract: A display device includes a first transistor having an oxide semiconductor layer, a gate wiring opposite the oxide semiconductor layer, a gate insulating layer between the semiconductor layer and the gate wiring, a first insulating layer including at least one insulating layer having a first contact hole outside the gate wiring, a planarization film having a second contact hole overlapping the first contact hole, a first transparent conductive layer including an area overlapping the gate wiring, a second insulating layer covering a side of the second contact hole, a second transparent conductive layer in contact with the oxide semiconductor layer through the first and second contact hole, a first resin filling the first and second contact hole coated by the second transparent conductive layer, and a third transparent conductive layer on the second transparent conductive layer and the first resin.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: May 30, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshitaka Ozeki, Nobutaka Ozaki, Koshiro Moriguchi
  • Publication number: 20230123073
    Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate wiring facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate wiring, a first transparent conductive layer provided on at least a first insulating layer on the first transistor, the first transparent conductive layer having an area overlapping the gate wiring and being in contact with the oxide semiconductor layer in a first contact area not overlapping the gate wiring, a second transparent conductive layer provided above at least a second insulating layer on the first transparent conductive layer and being in contact with the first transparent conductive layer at a second contact area overlapping the gate wiring, and a third transparent conductive layer provided between the second transparent conductive layer and the second insulating layer.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 20, 2023
    Inventors: Yoshitaka OZEKI, Nobutaka OZAKI, Koshiro MORIGUCHI
  • Publication number: 20230106954
    Abstract: A display device includes a first transistor having an oxide semiconductor layer, a gate wiring opposite the oxide semiconductor layer, a gate insulating layer between the semiconductor layer and the gate wiring, a first insulating layer including at least one insulating layer having a first contact hole outside the gate wiring, a planarization film having a second contact hole overlapping the first contact hole, a first transparent conductive layer including an area overlapping the gate wiring, a second insulating layer covering a side of the second contact hole, a second transparent conductive layer in contact with the oxide semiconductor layer through the first and second contact hole, a first resin filling the first and second contact hole coated by the second transparent conductive layer, and a third transparent conductive layer on the second transparent conductive layer and the first resin.
    Type: Application
    Filed: September 28, 2022
    Publication date: April 6, 2023
    Inventors: Yoshitaka OZEKI, Nobutaka OZAKI, Koshiro MORIGUCHI
  • Patent number: 11561445
    Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate wiring facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate wiring, a first transparent conductive layer provided on at least a first insulating layer on the first transistor, the first transparent conductive layer having an area overlapping the gate wiring and being in contact with the oxide semiconductor layer in a first contact area not overlapping the gate wiring, a second transparent conductive layer provided above at least a second insulating layer on the first transparent conductive layer and being in contact with the first transparent conductive layer at a second contact area overlapping the gate wiring, and a third transparent conductive layer provided between the second transparent conductive layer and the second insulating layer.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: January 24, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshitaka Ozeki, Nobutaka Ozaki, Koshiro Moriguchi
  • Publication number: 20220350212
    Abstract: A display device includes a display area, a frame area surrounding the display area, a plurality of pixel circuit in the display area, a peripheral circuit in the frame area, and wirings connecting the pixel circuit and the peripheral circuit, wherein the peripheral circuit incudes a plurality of switch circuits along a direction away from the display area, a plurality of relay electrodes between the display area and the plurality of switch circuits, and a plurality of connecting wirings connecting each of the plurality of relay electrodes and each of the plurality of switch circuits, and the plurality of relay electrodes is connected to the wirings, and one of the plurality of connecting wirings connecting one of the plurality of switch circuits and one of the plurality of relay electrodes intersects at least one of the other plurality of switch circuits in a plan view.
    Type: Application
    Filed: April 27, 2022
    Publication date: November 3, 2022
    Inventors: Yoshitaka OZEKI, Koshiro MORIGUCHI
  • Publication number: 20220308379
    Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate wiring facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate wiring, a first transparent conductive layer provided on at least a first insulating layer on the first transistor, the first transparent conductive layer having an area overlapping the gate wiring and being in contact with the oxide semiconductor layer in a first contact area not overlapping the gate wiring, a second transparent conductive layer provided above at least a second insulating layer on the first transparent conductive layer and being in contact with the first transparent conductive layer at a second contact area overlapping the gate wiring, and a third transparent conductive layer provided between the second transparent conductive layer and the second insulating layer.
    Type: Application
    Filed: March 25, 2022
    Publication date: September 29, 2022
    Inventors: Yoshitaka OZEKI, Nobutaka OZAKI, Koshiro MORIGUCHI
  • 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: 20210397805
    Abstract: A detection device is provided and includes substrate; drive electrode provided on substrate; detection electrode provided on substrate and capacitively coupling with drive electrode; first thin film transistor connected to drive electrode and second thin film transistor connected to first thin film transistor, first insulating film and second insulating film both stacked on substrate, wherein first thin film transistor comprises first gate electrode and first semiconductor layer, second thin film transistor comprises second gate electrode and second semiconductor layer, first semiconductor layer and second semiconductor layer are in same layer and are located between first insulating film and second insulating film, first gate electrode opposes first semiconductor layer via first insulating film, second gate electrode opposes second semiconductor layer via second insulating film, and distance from first gate electrode to first semiconductor layer is greater than distance from second gate electrode to second
    Type: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Inventors: Yoshitaka OZEKI, Hayato KURASAWA, Toshinori UEHARA, Koshiro MORIGUCHI
  • Patent number: 11187958
    Abstract: According to one embodiment, a display device includes a scanning line, a semiconductor layer, a first inorganic insulating film located between the scanning line and the semiconductor layer, a first signal line, a second inorganic insulating film having a main surface which contacts the first signal line and located between the semiconductor layer and the first signal line, a capacitance electrode contacting the main surface, a pixel electrode overlapping the capacitance electrode, and a third inorganic insulating film covering the first signal line and the capacitance electrode and located between the first signal line and the pixel electrode and between the capacitance electrode and the pixel electrode.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: November 30, 2021
    Assignee: Japan Display Inc.
    Inventors: Tomoyasu Hirano, Yoshitaka Ozeki, Koji Ishizaki, Takahiro Takeuchi, Koshiro Moriguchi
  • Patent number: 11150524
    Abstract: According to one embodiment, a display device includes a base substrate, a switching element including a semiconductor layer, a power supply line, a pixel electrode electrically connected to the switching element, a capacitance electrode positioned between the base substrate and the pixel electrode and electrically connected to the power supply line, a first interlayer insulating film positioned between the pixel electrode and the capacitance electrode, a common electrode, and an electrophoretic element positioned between the pixel electrode and the common electrode. An edge of the capacitance electrode overlaps the pixel electrode over the entire periphery thereof.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 19, 2021
    Assignee: Japan Display Inc.
    Inventors: Yoshitaka Ozeki, Tadayoshi Katsuta, Koji Ishizaki, Takahiro Takeuchi, Koshiro Moriguchi