Patents by Inventor Masumi Nishimura

Masumi Nishimura 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: 20240250162
    Abstract: A semiconductor device using a gallium nitride layer has an amorphous glass substrate, an oriented insulating layer arranged on the amorphous glass substrate and having a crystal orientation, a first gallium nitride layer arranged on the oriented insulating layer and in contact with the oriented insulating layer, the first gallium nitride layer being a first conductivity type, a gate electrode opposed to the first gallium nitride layer, and a gate insulating layer between the first gallium nitride layer and the gate electrode. The oriented insulating layer may have a plane with 6-fold rotational symmetry.
    Type: Application
    Filed: December 27, 2023
    Publication date: July 25, 2024
    Applicant: Japan Display Inc.
    Inventors: Hiroumi KINJO, Masumi NISHIMURA, Hayata AOKI
  • Publication number: 20240250214
    Abstract: A gallium nitride-based semiconductor device includes an amorphous substrate, a conductive alignment layer on the amorphous substrate, a gallium nitride-based semiconductor layer on the conductive alignment layer, and an auxiliary electrode layer in contact with the conductive alignment layer. The auxiliary electrode layer is arranged around a periphery portion of the conductive alignment layer.
    Type: Application
    Filed: February 28, 2024
    Publication date: July 25, 2024
    Applicant: Japan Display Inc.
    Inventors: Hiroumi KINJO, Masumi NISHIMURA, Hayata AOKI
  • Patent number: 12048189
    Abstract: A display device includes a display panel including a display region, a terminal region provided with a terminal, and a bending region located between the display region and the terminal region and capable of bending, the terminal region being located on a rear surface side opposite to a display surface side with respect to the display region based on the bending region bent and a protective coating provided on the display surface side of the bending region. When a direction in which the display region, the bending region, and the terminal region are arranged is defined as a first direction and a direction crossing the first direction is defined as a second direction, the bending region includes a bank portion located in the second direction with respect to the protective coating, projecting to the display surface side, and extending in the first direction.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: July 23, 2024
    Assignee: Japan Display Inc.
    Inventor: Masumi Nishimura
  • Publication number: 20240186406
    Abstract: A semiconductor device, which can provide semiconductor device using gallium nitride layer, includes an amorphous glass substrate, an oriented metal layer arranged above the amorphous glass substrate and having a crystal orientation, a first gallium nitride layer arranged above the oriented metal layer and having a first conductive type, a second gallium nitride layer arranged above the first gallium nitride layer, connected to the first gallium nitride layer, having higher conductive property than the first gallium nitride layer, including a source-side second gallium nitride layer and a drain-side second gallium nitride layer facing each other, and having a second conductive type, a gate electrode facing the first gallium nitride layer, and a gate insulating layer between the first gallium nitride layer and the gate electrode, wherein the gate insulating layer is positioned between the source-side second gallium nitride layer and the drain-side second gallium nitride layer in a cross-sectional view.
    Type: Application
    Filed: February 12, 2024
    Publication date: June 6, 2024
    Applicant: Japan Display Inc.
    Inventors: Hiroumi KINJO, Masumi NISHIMURA, Hayata AOKI
  • Patent number: 11963411
    Abstract: A display includes a plurality of first wirings which are provided on a first layer and each of which is arranged parallel to a first direction in a first area, and which are arranged on a second layer in a second area; a second wiring which is provided in the first layer in the first area and which is provided on a layer in the second area; and a third wiring which is provided on the first layer and arranged between the first wirings in the first area and which is arranged to intersect with first wirings in the second area. The first wirings is arranged to be inclined to the same side in the first direction in the second area. The second wiring is arranged to intersect with a portion of the plurality of first wirings in a plan view, in the second area.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: April 16, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Masumi Nishimura, Hiroshi Tabatake, Akihito Sato
  • Publication number: 20240090308
    Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: Japan Display Inc.
    Inventor: Masumi NISHIMURA
  • Publication number: 20240040872
    Abstract: According to one embodiment, a display device includes a lower electrode arranged on a first insulating layer, a second insulating layer arranged on the first insulating layer, having an opening overlapping the lower electrode, and being in a lattice form, a feed line arranged on the second insulating layer, having a first line portion, a second line portion, and a third line portion being continuous with the first and second line portions and having a different width from the first and second line portions, an organic layer arranged in the opening and covering the lower electrode, and an upper electrode being in contact with the first, second and third line portions, and covering the organic layer.
    Type: Application
    Filed: October 5, 2023
    Publication date: February 1, 2024
    Applicant: Japan Display Inc.
    Inventors: Hayata AOKI, Hiroumi KINJO, Masumi NISHIMURA
  • Publication number: 20240030384
    Abstract: A laminated structure includes a substrate, and a gallium nitride film on the substrate. Further, a laminated structure includes a substrate, an alignment layer having a c-axis orientation or a (111) orientation of a face-centered cubic structure, over the substrate, and a gallium nitride film on the alignment film. Furthermore, a laminated structure includes a substrate, a protective layer on the substrate, an alignment layer having a c-axis orientation or a (111) orientation of a face-centered cubic structure, over the protective layer, and a gallium nitride film on the alignment film. A surface arithmetic mean roughness (Ra) of a surface of the substrate is less than 0.33 nm.
    Type: Application
    Filed: September 19, 2023
    Publication date: January 25, 2024
    Applicant: Japan Display Inc.
    Inventors: Masumi NISHIMURA, Shinichiro OKA, Hiroumi KINJO, Hayata AOKI
  • Publication number: 20240023392
    Abstract: According to one embodiment, a display device includes a first lower electrode and a second lower electrode, a power supply line, a first organic layer including a light emitting layer and covering the first lower electrode, a second organic layer including a light emitting layer and covering the second lower electrode, a first upper electrode being in contact with the power supply line and covering the first organic layer, a second upper electrode being in contact with the power supply line and covering the second organic layer, and a first inorganic insulating film covering the first upper electrode and the second upper electrode and exposing the power supply line.
    Type: Application
    Filed: August 3, 2023
    Publication date: January 18, 2024
    Applicant: Japan Display Inc.
    Inventors: Hayata AOKI, Masumi NISHIMURA, Hiroumi KINJO
  • Patent number: 11864457
    Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: January 2, 2024
    Assignee: Japan Display Inc.
    Inventor: Masumi Nishimura
  • Publication number: 20230420485
    Abstract: A display device includes an amorphous glass substrate, a first buffer layer on a first surface of the amorphous glass substrate, a transistor including a first gallium nitride layer over the first buffer layer, a second buffer layer on the first surface of the amorphous glass substrate, and a light emitting diode including a second gallium nitride layer over the second buffer layer. The transistor and the light emitting diode are electrically connected to each other.
    Type: Application
    Filed: September 13, 2023
    Publication date: December 28, 2023
    Applicant: Japan Display Inc.
    Inventors: Masanobu IKEDA, Masumi NISHIMURA, Masashi TSUBUKU
  • Publication number: 20230397451
    Abstract: A display device includes a flexible substrate including a first region including a display region, a second region including a curved region, and a third region including a terminal region; an electro-optical element located in the display region; and a resin layer continuously extending from the first region to the third region.
    Type: Application
    Filed: August 14, 2023
    Publication date: December 7, 2023
    Inventors: Masumi NISHIMURA, Shinichiro OKA
  • Publication number: 20230389393
    Abstract: According to one embodiment, a display device comprises a rib including an aperture and an upper surface, a partition on the upper surface, a first electrode overlapping the aperture, an organic layer including a first end portion on the upper surface and covering the first electrode, a second electrode including a second end portion on the upper surface and covering the organic layer, a first inorganic layer on the rib, and a second inorganic layer covering the partition, the second electrode, and the first inorganic layer. At least a part of the first inorganic layer is located between the first end portion and the partition and is in contact with the second inorganic layer.
    Type: Application
    Filed: August 14, 2023
    Publication date: November 30, 2023
    Applicant: Japan Display Inc.
    Inventors: Hiroumi KINJO, Hayata AOKI, Masumi NISHIMURA
  • Publication number: 20230380248
    Abstract: According to one embodiment, a display device includes a substrate, a first lower electrode and a second lower electrode arranged on the substrate, a first organic layer including a light emitting layer and arranged on the first lower electrode, a second organic layer including a light emitting layer and arranged on the second lower electrode, a first upper electrode arranged on the first organic layer, a second upper electrode arranged on the second organic layer and separated from the first upper electrode, and a reflective layer arranged between the first upper electrode and the second upper electrode.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Applicant: Japan Display Inc.
    Inventors: Hayata AOKI, Masumi NISHIMURA
  • Patent number: 11818930
    Abstract: According to one embodiment, a display device includes a lower electrode arranged on a first insulating layer, a second insulating layer arranged on the first insulating layer, having an opening overlapping the lower electrode, and being in a lattice form, a feed line arranged on the second insulating layer, having a first line portion, a second line portion, and a third line portion being continuous with the first and second line portions and having a different width from the first and second line portions, an organic layer arranged in the opening and covering the lower electrode, and an upper electrode being in contact with the first, second and third line portions, and covering the organic layer.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: November 14, 2023
    Assignee: Japan Display Inc.
    Inventors: Hayata Aoki, Hiroumi Kinjo, Masumi Nishimura
  • Patent number: 11800658
    Abstract: A display device according to an embodiment includes a bendable housing, a flexible display module, a flexible external frame, and an internal frame. The display module includes a first surface facing the housing, a second surface opposite to the first surface, and a side surface connecting the first and second surfaces. The external frame has a base end portion connected to the housing and an edge portion integrally formed with the base end portion and facing the second surface, and covers the display module. The internal frame is arranged between the base end portion and the side surface, and has a Young's modulus larger than that of the external frame.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 24, 2023
    Assignee: Japan Display Inc.
    Inventor: Masumi Nishimura
  • Patent number: 11765925
    Abstract: A display device includes a flexible substrate including a first region including a display region, a second region including a curved region, and a third region including a terminal region; an electro-optical element located in the display region; and a resin layer continuously extending from the first region to the third region.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: September 19, 2023
    Assignee: Japan Display Inc.
    Inventors: Masumi Nishimura, Shinichiro Oka
  • Publication number: 20230172041
    Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 1, 2023
    Applicant: Japan Display Inc.
    Inventor: Masumi NISHIMURA
  • Publication number: 20230152177
    Abstract: According to one embodiment, a pressure detection device includes a buffer layer formed of an elastic material and including a press surface including a biaxially curved surface and an installation surface including a uniaxially curved surface opposing the press surface with an interval therebetween, and a sheet-shape pressure sensor provided in tight contact with the installation surface and uniaxially curved along the installation surface.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 18, 2023
    Inventors: Hiroumi KINJO, Masumi NISHIMURA
  • Publication number: 20230096247
    Abstract: A display device includes a flexible substrate including a first region including a display region, a second region including a curved region, and a third region including a terminal region; an electro-optical element located in the display region; and a resin layer continuously extending from the first region to the third region.
    Type: Application
    Filed: December 6, 2022
    Publication date: March 30, 2023
    Inventors: Masumi NISHIMURA, Shinichiro OKA