Patents by Inventor Kazuto TSURUOKA

Kazuto TSURUOKA 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).

  • Patent number: 11832472
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: November 28, 2023
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Publication number: 20220238842
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 28, 2022
    Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
  • Patent number: 11322722
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: May 3, 2022
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Patent number: 11094759
    Abstract: A manufacturing method of a display device according to an embodiment of the present invention includes: forming a damming part in a component mounting area of a flexible base material having a display area provided with a plurality of pixels and the component mounting area where a component is mounted; and applying a resin composition to the component mounting area of the base material in a condition in which the component is mounted thereon, in this order. An outer periphery of the applied resin composition reaches a lateral surface of the damming part.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: August 17, 2021
    Assignee: Japan Display Inc.
    Inventors: Megumi Senda, Kazuto Tsuruoka
  • Patent number: 10910464
    Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: February 2, 2021
    Assignee: Japan Display Inc.
    Inventor: Kazuto Tsuruoka
  • Publication number: 20200403185
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 24, 2020
    Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
  • Patent number: 10797265
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: October 6, 2020
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Publication number: 20200203466
    Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 25, 2020
    Applicant: Japan Display Inc.
    Inventor: Kazuto TSURUOKA
  • Patent number: 10615246
    Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: April 7, 2020
    Assignee: Japan Display Inc.
    Inventor: Kazuto Tsuruoka
  • Patent number: 10573849
    Abstract: A flexible substrate including a display area and a area to be bent, the area to be bent being provided with a wiring layer and not overlapping the display area. A first resin layer that extends along a boundary of the area to be bent and continuously surrounds the area to be bent is formed. Subsequently, a second resin layer is injected into an area surrounded by the first resin layer.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: February 25, 2020
    Assignee: Japan Display Inc.
    Inventor: Kazuto Tsuruoka
  • Publication number: 20190341577
    Abstract: A display device includes a resin substrate; a display circuit layer on the resin substrate, the display circuit layer having a first area including a display area, the display circuit layer having a second area apart from the first area in a first direction; a first film attached to the first area of the display circuit layer via a first adhesive layer; a second film attached to the second area of the display circuit layer via a second adhesive layer; and a resin layer between the first area and the second area of the display circuit layer. The resin layer is in contact with an edge surface of the first film opposed to the second film. The resin layer is in contact with an edge surface of the second film opposed to the first film.
    Type: Application
    Filed: July 15, 2019
    Publication date: November 7, 2019
    Applicant: Japan Display Inc.
    Inventors: Kazuto TSURUOKA, Kenji TORIBATAKE
  • Publication number: 20190305061
    Abstract: A manufacturing method of a display device according to an embodiment of the present invention includes: forming a damming part in a component mounting area of a flexible base material having a display area provided with a plurality of pixels and the component mounting area where a component is mounted; and applying a resin composition to the component mounting area of the base material in a condition in which the component is mounted thereon, in this order. An outer periphery of the applied resin composition reaches a lateral surface of the damming part.
    Type: Application
    Filed: March 26, 2019
    Publication date: October 3, 2019
    Applicant: Japan Display Inc.
    Inventors: Megumi Senda, Kazuto Tsuruoka
  • Publication number: 20190288236
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Application
    Filed: June 4, 2019
    Publication date: September 19, 2019
    Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
  • Patent number: 10411208
    Abstract: A display device includes: a spacer; a flexible substrate having flexibility, the flexible substrate being provided with a display area for performing image display, a picture-frame area, a bent area, and a terminal area including a terminal, the display area, the picture-frame area, the bent area, and the terminal area being arranged in this order, the terminal area being disposed on a rear surface side of the spacer due to the bent area being bent so as to follow the shape of the spacer; and a reinforcing film including a first reinforcing portion attached to the rear surface side of the display area, a second reinforcing portion attached to a display surface side of the terminal area, and a bent reinforcing portion attached to an inner surface side of the bent area at a portion in a width direction of the flexible substrate.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: September 10, 2019
    Assignee: Japan Display Inc.
    Inventors: Naohisa Andou, Kazuto Tsuruoka
  • Patent number: 10355240
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 16, 2019
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Patent number: 10340328
    Abstract: A display device includes a first substrate arranged with a plurality of pixels on a first surface, the plurality of pixels having a display element including a transistor, and a first wiring connected to the transistor, a through electrode arranged in a first contact hole reaching the first wiring from a second surface facing the first surface of the first substrate, a second wiring connected with the through electrode, a first insulation film arranged covering the second wiring on the second surface of the first substrate, and a terminal connected with a second wiring via a second contact hole arranged in the first insulation film.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: July 2, 2019
    Assignee: Japan Display Inc.
    Inventors: Kazuto Tsuruoka, Norio Oku
  • Publication number: 20190165078
    Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.
    Type: Application
    Filed: November 20, 2018
    Publication date: May 30, 2019
    Applicant: Japan Display Inc.
    Inventor: Kazuto TSURUOKA
  • Patent number: 10217956
    Abstract: Provided is a display device including: a base material; a display region over the base material; a wiring over the base material, the wiring extending from the display region to an outside of the display region; and a pair of metal films over the base material, where the wiring is located between the pair of metal films in a plane view. The display region may be positioned between the pair of metal films, and the wiring and the pair of metal films may exist in the same layer.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: February 26, 2019
    Assignee: Japan Display Inc.
    Inventors: Naohisa Andou, Kazuto Tsuruoka
  • Patent number: 10121800
    Abstract: A display device is provided including a substrate having a first region and a second region, a plurality of pixels above the first region, and a connection terminal above the second region, wherein a Young's modulus of the second region is higher than a Young's modulus of the first region.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: November 6, 2018
    Assignee: Japan Display Inc.
    Inventors: Kazuto Tsuruoka, Toshihiro Sato
  • Publication number: 20180301525
    Abstract: A display device includes a first substrate arranged with a plurality of pixels on a first surface, the plurality of pixels having a display element including a transistor, and a first wiring connected to the transistor, a through electrode arranged in a first contact hole reaching the first wiring from a second surface facing the first surface of the first substrate, a second wiring connected with the through electrode, a first insulation film arranged covering the second wiring on the second surface of the first substrate, and a terminal connected with a second wiring via a second contact hole arranged in the first insulation film.
    Type: Application
    Filed: June 22, 2018
    Publication date: October 18, 2018
    Inventors: Kazuto TSURUOKA, Norio Oku