Patents by Inventor Heisuke KANAYA

Heisuke KANAYA 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: 20240065023
    Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 22, 2024
    Inventor: Heisuke KANAYA
  • Patent number: 11895886
    Abstract: A display device according to an embodiment of the present invention has a first substrate, a display region provided with a plurality of pixels on the first substrate, each of the plurality of pixels including a light-emitting element, a driving circuit provided along a first direction of the display region on the first substrate, a sealing film covering the display region, and stacking a first inorganic insulating layer, an organic insulating layer, and a second inorganic insulating layer in order from the light-emitting element, a second substrate on the sealing film, a through hole provided in the first substrate, the display region, and the second substrate; and a first region surrounding the through hole.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: February 6, 2024
    Assignee: Japan Display Inc.
    Inventors: Masato Ito, Heisuke Kanaya
  • Patent number: 11844231
    Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: December 12, 2023
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya
  • Publication number: 20220328606
    Abstract: A display device according to an embodiment of the present invention has a first substrate, a display region provided with a plurality of pixels on the first substrate, each of the plurality of pixels including a light-emitting element, a driving circuit provided along a first direction of the display region on the first substrate, a sealing film covering the display region, and stacking a first inorganic insulating layer, an organic insulating layer, and a second inorganic insulating layer in order from the light-emitting element, a second substrate on the sealing film, a through hole provided in the first substrate, the display region, and the second substrate; and a first region surrounding the through hole.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 13, 2022
    Inventors: Masato ITO, Heisuke KANAYA
  • Patent number: 11398541
    Abstract: A display device according to an embodiment of the present invention has a first substrate, a display region provided with a plurality of pixels on the first substrate, each of the plurality of pixels including a light-emitting element, a driving circuit provided along a first direction of the display region on the first substrate, a sealing film covering the display region, and stacking a first inorganic insulating layer, an organic insulating layer, and a second inorganic insulating layer in order from the light-emitting element, a second substrate on the sealing film, a through hole provided in the first substrate, the display region, and the second substrate; and a first region surrounding the through hole.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: July 26, 2022
    Assignee: Japan Display Inc.
    Inventors: Masato Ito, Heisuke Kanaya
  • Publication number: 20210367196
    Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.
    Type: Application
    Filed: August 9, 2021
    Publication date: November 25, 2021
    Inventor: Heisuke KANAYA
  • Patent number: 11121343
    Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: September 14, 2021
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya
  • Patent number: 10937986
    Abstract: A display device includes an electroluminescent layer laminated on pixel electrodes and a multifunctional electrode and a common electrode laminated on the electroluminescent layer. The electroluminescent layer includes a lower common layer that continuously overlaps and contacts the pixel electrodes and the multifunctional electrode and light emitting layers separated from each other corresponding to each of the pixel electrodes on the lower common layer. The multifunctional electrode includes portions each passing between a pair of adjacent pixel electrodes of the pixel electrodes, and is set to a potential closer to that of the common electrode than the pixel electrodes in an image display period, and at least a part of the multifunctional electrode functions as at least one electrode group of a transmission electrode group and a reception electrode group in a touch sensing period.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: March 2, 2021
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya
  • Patent number: 10871865
    Abstract: A display device according to an embodiment of the present invention includes: a display panel; a touch sensor located on the display panel; and a pointer made of a conductive material that moves on a region where the touch sensor is provided below the touch sensor; wherein the pointer is electrically connected to a lower electrode of the touch sensor.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: December 22, 2020
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya
  • Patent number: 10845905
    Abstract: A display device in an embodiment according to the present invention includes a base member, a display part with a plurality of pixels above the base member, a touch sensor overlapping the display part, an antenna in a periphery part of the display part, and a terminal part including a plurality of terminal electrodes on an outer side of the antenna. The touch sensor includes a first sensor electrode arranged on a first surface side of a first insulating layer and having a plurality of first electrode patterns arranged in a first direction, and a second sensor electrode arranged on the first surface side of the first insulating layer and having a plurality of second electrode patterns arranged in a second direction intersecting the first direction.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: November 24, 2020
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya
  • Publication number: 20200235194
    Abstract: A display device according to an embodiment of the present invention has a first substrate, a display region provided with a plurality of pixels on the first substrate, each of the plurality of pixels including a light-emitting element, a driving circuit provided along a first direction of the display region on the first substrate, a sealing film covering the display region, and stacking a first inorganic insulating layer, an organic insulating layer, and a second inorganic insulating layer in order from the light-emitting element, a second substrate on the sealing film, a through hole provided in the first substrate, the display region, and the second substrate; and a first region surrounding the through hole.
    Type: Application
    Filed: April 9, 2020
    Publication date: July 23, 2020
    Inventors: Masato ITO, Heisuke Kanaya
  • Publication number: 20200176708
    Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.
    Type: Application
    Filed: February 3, 2020
    Publication date: June 4, 2020
    Inventor: Heisuke KANAYA
  • Publication number: 20200174598
    Abstract: A display device according to an embodiment of the present invention includes: a display panel; a touch sensor located on the display panel; and a pointer made of a conductive material that moves on a region where the touch sensor is provided below the touch sensor; wherein the pointer is electrically connected to a lower electrode of the touch sensor.
    Type: Application
    Filed: February 3, 2020
    Publication date: June 4, 2020
    Applicant: Japan Display Inc.
    Inventor: Heisuke KANAYA
  • Publication number: 20200127224
    Abstract: A display device includes an electroluminescent layer laminated on pixel electrodes and a multifunctional electrode and a common electrode laminated on the electroluminescent layer. The electroluminescent layer includes a lower common layer that continuously overlaps and contacts the pixel electrodes and the multifunctional electrode and light emitting layers separated from each other corresponding to each of the pixel electrodes on the lower common layer. The multifunctional electrode includes portions each passing between a pair of adjacent pixel electrodes of the pixel electrodes, and is set to a potential closer to that of the common electrode than the pixel electrodes in an image display period, and at least a part of the multifunctional electrode functions as at least one electrode group of a transmission electrode group and a reception electrode group in a touch sensing period.
    Type: Application
    Filed: October 15, 2019
    Publication date: April 23, 2020
    Applicant: Japan Display Inc.
    Inventor: Heisuke KANAYA
  • Patent number: 10586945
    Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: March 10, 2020
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya
  • Patent number: 10553666
    Abstract: There is provided a display device including a pixel array portion including a plurality of pixels disposed in a matrix, a bending portion disposed at least outside the pixel array portion and to be bent, a peripheral circuit connected to the pixel array portion via the bending portion, the peripheral circuit for generating a signal to be supplied to the pixels, and a sealing film disposed avoiding the bending portion, the sealing film for preventing invasion of water particles into the pixel array portion and the peripheral circuit.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: February 4, 2020
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya
  • Patent number: 10490772
    Abstract: The purpose of the present invention is to realize a reliable bendable organic EL display device with high reliability. The structure of the invention is as follows. An organic EL display device comprising: pixels, each of the pixels has an emitting layer, which is sandwiched by a lower electrode and an upper electrode, a first inorganic protective film is formed on the emitting layer, the first inorganic protective film is circle or polygon having at least five sides, in a plan view.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: November 26, 2019
    Assignee: Japan Display Inc.
    Inventors: Masumi Nishimura, Heisuke Kanaya
  • Publication number: 20190220123
    Abstract: A display device in an embodiment according to the present invention includes a base member, a display part with a plurality of pixels above the base member, a touch sensor overlapping the display part, an antenna in a periphery part of the display part, and a terminal part including a plurality of terminal electrodes on an outer side of the antenna. The touch sensor includes a first sensor electrode arranged on a first surface side of a first insulating layer and having a plurality of first electrode patterns arranged in a first direction, and a second sensor electrode arranged on the first surface side of the first insulating layer and having a plurality of second electrode patterns arranged in a second direction intersecting the first direction.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 18, 2019
    Inventor: Heisuke Kanaya
  • Publication number: 20190123298
    Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.
    Type: Application
    Filed: December 17, 2018
    Publication date: April 25, 2019
    Inventor: Heisuke KANAYA
  • Patent number: 10193102
    Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: January 29, 2019
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya