Patents by Inventor Shunpei Takeuchi

Shunpei Takeuchi 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: 12265306
    Abstract: A light adjustment device includes a panel unit including a plurality of light adjustment panels stacked in a first direction. The light adjustment panels each include a first substrate, a second substrate overlapping the first substrate in a first direction, a first alignment film provided on the first substrate, a second alignment film provided on the second substrate and overlapping the first alignment film in the first direction, a liquid crystal layer filling a gap between the first alignment film and the second alignment film, a seal material provided between the first substrate and the second substrate and on the outer side of the first alignment film and the second alignment film, and a conductive member providing conduction between a first electrode provided on the first substrate and a second electrode provided on the second substrate.
    Type: Grant
    Filed: July 10, 2023
    Date of Patent: April 1, 2025
    Assignee: JAPAN DISPLAY INC.
    Inventors: Hiroya Morimoto, Shunpei Takeuchi
  • Patent number: 12242160
    Abstract: An electrooptical device includes a first substrate, a first electrode disposed on the first substrate, a second substrate facing the first substrate, a second electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate. The first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, and a second conductive portion electrically coupled to the second terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, and a second coupling member electrically coupling the second conductive portion and the fourth conductive portion.
    Type: Grant
    Filed: September 21, 2023
    Date of Patent: March 4, 2025
    Assignee: Japan Display Inc.
    Inventors: Yukiya Hirabayashi, Osamu Kobayashi, Shunpei Takeuchi
  • Publication number: 20250068007
    Abstract: A light adjustment device includes a panel unit having a rectangular pillar shape and including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel having a polygonal shape and including a lower substrate and an upper substrate overlapping the lower substrate. The light adjustment panels each have a first side, a second side adjacent to the first side, and a first corner at which the first side intersects the second side, and when two light adjustment panels adjacent to each other in a first direction among the light adjustment panels are viewed in the first direction, the first corner of one of the light adjustment panels is positioned inside of an edge of the other light adjustment panel, and the first corner of the other light adjustment panel is positioned inside of an edge of the one light adjustment panel.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Applicant: Japan Display Inc.
    Inventors: Shunpei TAKEUCHI, Kohei YAMAGUCHI, Katsuichi IDE, Yukiya HIRABAYASHI, Osamu KAI, Hiroya MORIMOTO, Koichi NAGAO
  • Patent number: 12174476
    Abstract: A light adjustment device includes a panel unit having a rectangular pillar shape and including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel having a polygonal shape and including a lower substrate and an upper substrate overlapping the lower substrate. The light adjustment panels each have a first side, a second side adjacent to the first side, and a first corner at which the first side intersects the second side, and when two light adjustment panels adjacent to each other in a first direction among the light adjustment panels are viewed in the first direction, the first corner of one of the light adjustment panels is positioned inside of an edge of the other light adjustment panel, and the first corner of the other light adjustment panel is positioned inside of an edge of the one light adjustment panel.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: December 24, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Shunpei Takeuchi, Kohei Yamaguchi, Katsuichi Ide, Yukiya Hirabayashi, Osamu Kai, Hiroya Morimoto, Koichi Nagao
  • Patent number: 12099279
    Abstract: A light adjustment device includes a plurality of liquid crystal cells each including a light adjustment region that polarizes light emitted from a light source, the liquid crystal cells being stacked in a direction in which the light is emitted. The liquid crystal cells each include a first substrate in which a plurality of first metal wires are provided, and a second substrate in which a plurality of second metal wires are provided and that sandwiches a liquid crystal layer with the first substrate.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: September 24, 2024
    Assignee: Japan Display Inc.
    Inventors: Takahiro Ochiai, Shunpei Takeuchi, Osamu Kobayashi, Hiroya Morimoto, Takeo Koito, Koichi Nagao
  • Publication number: 20240103324
    Abstract: An electrooptical device includes a first substrate, a first electrode disposed on the first substrate, a second substrate facing the first substrate, a second electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate. The first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, and a second conductive portion electrically coupled to the second terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, and a second coupling member electrically coupling the second conductive portion and the fourth conductive portion.
    Type: Application
    Filed: September 21, 2023
    Publication date: March 28, 2024
    Inventors: Yukiya HIRABAYASHI, Osamu KOBAYASHI, Shunpei TAKEUCHI
  • Publication number: 20240019742
    Abstract: A light adjustment device includes a panel unit including a plurality of light adjustment panels stacked in a first direction. The light adjustment panels each include a first substrate, a second substrate overlapping the first substrate in a first direction, a first alignment film provided on the first substrate, a second alignment film provided on the second substrate and overlapping the first alignment film in the first direction, a liquid crystal layer filling a gap between the first alignment film and the second alignment film, a seal material provided between the first substrate and the second substrate and on the outer side of the first alignment film and the second alignment film, and a conductive member providing conduction between a first electrode provided on the first substrate and a second electrode provided on the second substrate.
    Type: Application
    Filed: July 10, 2023
    Publication date: January 18, 2024
    Applicant: Japan Display Inc.
    Inventors: Hiroya MORIMOTO, Shunpei TAKEUCHI
  • Publication number: 20240012276
    Abstract: A light adjustment device includes a panel unit having a rectangular pillar shape and including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel having a polygonal shape and including a lower substrate and an upper substrate overlapping the lower substrate. The light adjustment panels each have a first side, a second side adjacent to the first side, and a first corner at which the first side intersects the second side, and when two light adjustment panels adjacent to each other in a first direction among the light adjustment panels are viewed in the first direction, the first corner of one of the light adjustment panels is positioned inside of an edge of the other light adjustment panel, and the first corner of the other light adjustment panel is positioned inside of an edge of the one light adjustment panel.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 11, 2024
    Applicant: Japan Display Inc.
    Inventors: Shunpei TAKEUCHI, Kohei YAMAGUCHI, Katsuichi IDE, Yukiya HIRABAYASHI, Osamu KAI, Hiroya MORIMOTO, Koichi NAGAO
  • Publication number: 20230384640
    Abstract: A light adjustment device includes a plurality of liquid crystal cells each including a light adjustment region that polarizes light emitted from a light source, the liquid crystal cells being stacked in a direction in which the light is emitted. The liquid crystal cells each include a first substrate in which a plurality of first metal wires are provided, and a second substrate in which a plurality of second metal wires are provided and that sandwiches a liquid crystal layer with the first substrate.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Inventors: Takahiro OCHIAI, Shunpei TAKEUCHI, Osamu KOBAYASHI, Hiroya MORIMOTO, Takeo KOITO, Koichi NAGAO
  • Publication number: 20230375887
    Abstract: A light adjustment device in which a plurality of liquid crystal cells each including a light adjustment region configured to polarize light emitted from a light source are stacked in a direction in which the light is emitted is disclosed. The liquid crystal cells each include a first substrate including a plurality of first drive electrodes extending in a first direction in the light adjustment region, and a second substrate sandwiching a liquid crystal layer between the first substrate and the second substrate and including a plurality of second drive electrodes extending in a second direction different from the first direction in the light adjustment region.
    Type: Application
    Filed: August 4, 2023
    Publication date: November 23, 2023
    Inventors: Takahiro OCHIAI, Yukiya HIRABAYASHI, Shunpei TAKEUCHI, Osamu KOBAYASHI, Takeo KOITO, Koichi NAGAO
  • Patent number: 9111809
    Abstract: A circuit substrate includes, on an insulating substrate, a plurality of devices, a plurality of conductive layers connected in one-to-one correspondence with the devices, and an insulating layer provided between the devices and the conductive layers. The insulating layer includes a first insulating layer covering the devices, a second insulating layer formed on the first insulating layer, and a plurality of contact holes each passing through the first and second insulating layers in a thickness direction thereof. Side surfaces of the first and second insulating layers contact each other in at least part of the inside of each contact hole. Each conductive layer extends along an upper surface of the second insulating layer, at least a part of a side surface of the contact hole in which the side surfaces of the first and second insulating layers contact each other, and a bottom surface of the contact hole.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 18, 2015
    Assignee: Japan Display Inc.
    Inventors: Shunpei Takeuchi, Akio Ota, Manabu Mizuno, Takaya Hirose