Patents by Inventor Hayata AOKI

Hayata AOKI 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: 20230010053
    Abstract: In an embodiment, a display device comprises a substrate, display elements, a partition wall, a metal layer, and an inorganic layer. Each of the display elements comprises first and second electrode and an organic layer. The partition wall is between the display elements. The metal layer is along the partition wall. The inorganic layer covers the display elements, the partition wall, and the metal layer. The partition wall includes a first portion, and a second portion which is smaller in width than the first portion. The metal layer covers a first area on a side surface of the second portion. The inorganic layer covers a second area on the side surface. The second area is between the first area and the first portion.
    Type: Application
    Filed: May 26, 2022
    Publication date: January 12, 2023
    Applicant: Japan Display Inc.
    Inventors: Masumi NISHIMURA, Hayata AOKI, Hiroumi KINJO
  • Publication number: 20220416209
    Abstract: According to one embodiment, a display device includes a first bottom electrode, a second bottom electrode, a first organic layer covering the first bottom electrode, a second organic layer covering the second bottom electrode, a first top electrode covering the first organic layer, a second top electrode covering the second organic layer, a first optical adjustment layer disposed on the first top electrode, a second optical adjustment layer disposed on the second top electrode, and a transparent conductive layer covering the first optical adjustment layer and the second optical adjustment layer, and being in contact with the first top electrode and the second top electrode.
    Type: Application
    Filed: June 22, 2022
    Publication date: December 29, 2022
    Applicant: Japan Display Inc.
    Inventors: Masumi NISHIMURA, Hayata AOKI, Hiroumi KINJO
  • Publication number: 20220392981
    Abstract: According to one embodiment, an electronic device includes a lower electrode, a second insulating layer including an opening overlapping the lower electrode, an organic layer covering the lower electrode at the opening, an upper electrode covering the organic layer, and a barrier wall on the second insulating layer. The barrier wall includes a first layer formed of a metal material and including a first side surface which is in contact with the upper electrode, a second layer disposed above the first layer and extending from the first side surface toward the opening, and a protective layer formed of a material different from a material of the organic layer and covering at least an upper surface of the second layer.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 8, 2022
    Applicant: Japan Display Inc.
    Inventors: Masumi NISHIMURA, Hayata AOKI
  • Publication number: 20220384749
    Abstract: According to one embodiment, an electronic device includes an insulating base including a strip-shaped portion having elasticity and an island-shaped portion connected to the strip-shaped portion, an organic insulating film disposed on the insulating base, an inorganic insulating film disposed on the organic insulating film, a wiring disposed between the strip-shaped portion and the organic insulating film, an electrical element disposed on the inorganic insulating film and electrically connected to the wiring, in the island-shaped portion, a barrier wall overlapping the island-shaped portion and the strip-shaped portion and surrounding the electrical element, and a sealing film covering the electrical element.
    Type: Application
    Filed: May 27, 2022
    Publication date: December 1, 2022
    Applicant: Japan Display Inc.
    Inventors: Masatomo HISHINUMA, Hiroumi KINJO, Hayata AOKI
  • Publication number: 20220367834
    Abstract: According to one embodiment, a display device comprises a base, display elements, a partition wall, first to third inorganic layers and a resin layer. The display element includes first and second electrodes and a light-emitting layer between the electrodes. The partition wall is located between adjacent pair of the display elements. The first inorganic layer covers the display elements and the partition wall. The second inorganic layer covers the first inorganic layer. The resin layer covers the second inorganic layer. The third inorganic layer covers the resin layer.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 17, 2022
    Applicant: Japan Display Inc.
    Inventors: Hiroumi KINJO, Hayata AOKI, Masumi NISHIMURA
  • Publication number: 20220310713
    Abstract: According to one embodiment, a display device includes a first area including a pixel and a second area different from the first area, wherein the pixel includes a pixel electrode, an organic material layer including a light-emitting layer, a first common electrode, and a second common electrode having transmittance higher than that of the first insulating layer, the second area is an area not overlapping the light-emitting layer in plan view, the second area is a transparent area, and the second area does not comprise the first common electrode provided therein.
    Type: Application
    Filed: March 21, 2022
    Publication date: September 29, 2022
    Inventors: Hayata AOKI, Masashi TSUBUKU, Toshinari SASAKI
  • Publication number: 20220310965
    Abstract: According to one embodiment, a display device comprises a first area including a pixel and a second area different from the first area, wherein the pixel comprises a pixel electrode, an organic material layer including a light-emitting layer, a common electrode, a first insulating layer, a second insulating layer having a refractive index lower than that of the first insulating layer, and a third insulating layer, the second area is an area not overlapping the light-emitting layer in plan view, the second area is a transparent area, and the second area comprises the first insulating layer provided therein, the second area does not comprise the second insulating layer.
    Type: Application
    Filed: March 21, 2022
    Publication date: September 29, 2022
    Inventors: Hayata AOKI, Masashi TSUBUKU, Toshinari SASAKI
  • Publication number: 20220238852
    Abstract: According to one embodiment, a display device includes a lower electrode, a second insulating layer including an opening overlapping the lower electrode, an organic layer including a light-emitting layer, disposed in the opening and covering the lower electrode and an upper electrode covering the organic layer. The light-emitting layer includes a first bottom surface, a first end surface and a second end surface intersecting the first end surface. An angle between the first end surface and the first bottom surface in a cross-sectional view along a first direction is greater than an angle between the second end surface and the first bottom surface in a cross-sectional view along a second direction.
    Type: Application
    Filed: January 20, 2022
    Publication date: July 28, 2022
    Applicant: Japan Display Inc.
    Inventors: Hayata AOKI, Masumi NISHIMURA
  • Publication number: 20220238829
    Abstract: According to one embodiment, a display device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode covering the organic layer. The organic layer includes a first layer having a first edge portion and a second layer between the first layer and the second electrode. The second layer covers the first edge portion.
    Type: Application
    Filed: January 20, 2022
    Publication date: July 28, 2022
    Applicant: Japan Display Inc.
    Inventors: Hiroumi KINJO, Hayata AOKI, Masakazu GUNJI
  • Publication number: 20220231250
    Abstract: According to one embodiment, a display device includes a lower electrode, a second insulating layer including an opening overlapping the lower electrode, an organic layer including a light-emitting layer and a functional layer, disposed in the opening and covering the lower electrode and an upper electrode covering the organic layer. The functional layer includes a first region located between the lower electrode and the light-emitting layer and a second region including an end surface located directly above the second insulating layer. A dopant concentration of a guest material in the second region is lower than the dopant concentration of the guest material in the first region.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 21, 2022
    Applicant: Japan Display Inc.
    Inventors: Hayata AOKI, Masumi NISHIMURA, Jun NITTA
  • Publication number: 20220231263
    Abstract: According to one embodiment, a display device includes an insulating substrate, a first insulating layer disposed on the insulating substrate, a lower electrode disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and including an opening overlapping the lower electrode, an organic layer including a light-emitting layer, disposed in the opening and covering the lower electrode, an upper electrode comprising a first end surface, which is an inclined surface, directly above the second insulating layer and stacked on the organic layer and an optical adjustment layer including a second end surface on an inner side with respect to the first end surface and in contact with the upper electrode.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 21, 2022
    Applicant: Japan Display Inc.
    Inventors: Hayata AOKI, Masumi NISHIMURA
  • Publication number: 20220208943
    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: December 20, 2021
    Publication date: June 30, 2022
    Applicant: Japan Display Inc.
    Inventors: Hayata AOKI, Hiroumi KINJO, Masumi NISHIMURA
  • Publication number: 20220208919
    Abstract: Display device includes a flexible substrate, a plurality of pixels disposed on a first surface of flexible substrate, and a plurality of alignment marks disposed along one side of the flexible substrate and identified each other. The plurality of alignment marks may be arranged in the same layer. When the plurality of pixels includes thin film transistor, the plurality of alignment marks may be formed of the same metal layer as the metal layer forming thin film transistor.
    Type: Application
    Filed: March 16, 2022
    Publication date: June 30, 2022
    Inventors: Hayata AOKI, Kengo KATO, Jun HANARI, Yasuyuki YAMADA
  • Patent number: 11315997
    Abstract: Display device includes a flexible substrate, a plurality of pixels disposed on a first surface of flexible substrate, and a plurality of alignment marks disposed along one side of the flexible substrate and identified each other. The plurality of alignment marks may be arranged in the same layer. When the plurality of pixels includes thin film transistor, the plurality of alignment marks may be formed of the same metal layer as the metal layer forming thin film transistor.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: April 26, 2022
    Assignee: Japan Display Inc.
    Inventors: Hayata Aoki, Kengo Kato, Jun Hanari, Yasuyuki Yamada
  • Publication number: 20220115620
    Abstract: A display device includes: light-emitting regions different in luminescent colors and including luminescent layers separated for each of the luminescent colors; a low-threshold layer lower in threshold voltage than any one of the luminescent layers included in a pair of different-color light-emitting regions included in the light-emitting regions, different in the luminescent colors, and adjacent to each other; a continuous layer under the luminescent layers and the low-threshold layer, including first areas and a second area continuously, the first areas being in contact with the respective light-emitting regions, the second area being in contact with the low-threshold layer; pixel electrodes under the continuous layer, overlapping with the respective light-emitting regions; and a counter electrode over the luminescent layers and the low-threshold layer, being opposed to the pixel electrodes. The low-threshold layer is between the pair of different-color light-emitting regions.
    Type: Application
    Filed: September 22, 2021
    Publication date: April 14, 2022
    Inventor: Hayata AOKI
  • Patent number: 10734468
    Abstract: A display device according to an embodiment of the present invention includes: a display area provided with a pixel array part; a terminal area arranged on a backside of the display area and provided with a connection terminal to which a signal is supplied from outside; and a bendable area to connect the display area and the terminal area, wherein the display device is provided with, in the bendable area, an under layer having flexibility, and a connection wiring which is provided on the under layer and extends from a side of the pixel array part to a side of the connection terminal, and an upper surface of the under layer has an uneven shape so that the connection wiring repeatedly turns in directions of a thickness of the under layer.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: August 4, 2020
    Assignee: Japan Display Inc.
    Inventors: Hayata Aoki, Masumi Nishimura
  • Patent number: 10720485
    Abstract: A display device according to an embodiment of the present invention includes: a display panel including a display region, a drive section forming region, and a curved region, the display region including a pixel array section, the drive section forming region including a drive section driving the pixel array section, the curved region coupling the display region to the drive section forming region, the display panel including an organic light-emitting diode structure layer including an organic light-emitting diode, an optical film provided on a front surface side of the organic light-emitting diode structure layer in the display region and including an inclined surface at an end face on the curved region side, and a resin layer provided on the front surface side of the organic light-emitting diode structure layer in at least the curved region and provided so as to be in contact with the inclined surface.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: July 21, 2020
    Assignee: Japan Display Inc.
    Inventor: Hayata Aoki
  • Publication number: 20200219956
    Abstract: Display device includes a flexible substrate, a plurality of pixels disposed on a first surface of flexible substrate, and a plurality of alignment marks disposed along one side of the flexible substrate and identified each other. The plurality of alignment marks may be arranged in the same layer. When the plurality of pixels includes thin film transistor, the plurality of alignment marks may be formed of the same metal layer as the metal layer forming thin film transistor.
    Type: Application
    Filed: March 23, 2020
    Publication date: July 9, 2020
    Inventors: Hayata AOKI, Kengo KATO, Jun HANARI, Yasuyuki YAMADA
  • Publication number: 20190333979
    Abstract: A display device according to an embodiment of the present invention includes: a display area provided with a pixel array part; a terminal area arranged on a backside of the display area and provided with a connection terminal to which a signal is supplied from outside; and a bendable area to connect the display area and the terminal area, wherein the display device is provided with, in the bendable area, an under layer having flexibility, and a connection wiring which is provided on the under layer and extends from a side of the pixel array part to a side of the connection terminal, and an upper surface of the under layer has an uneven shape so that the connection wiring repeatedly turns in directions of a thickness of the under layer.
    Type: Application
    Filed: April 24, 2019
    Publication date: October 31, 2019
    Applicant: Japan Display Inc.
    Inventors: Hayata AOKI, Masumi NISHIMURA
  • Publication number: 20180337224
    Abstract: A display device according to an embodiment of the present invention includes: a display panel including a display region, a drive section forming region, and a curved region, the display region including a pixel array section, the drive section forming region including a drive section driving the pixel array section, the curved region coupling the display region to the drive section forming region, the display panel including an organic light-emitting diode structure layer including an organic light-emitting diode, an optical film provided on a front surface side of the organic light-emitting diode structure layer in the display region and including an inclined surface at an end face on the curved region side, and a resin layer provided on the front surface side of the organic light-emitting diode structure layer in at least the curved region and provided so as to be in contact with the inclined surface.
    Type: Application
    Filed: May 10, 2018
    Publication date: November 22, 2018
    Applicant: Japan Display Inc.
    Inventor: Hayata AOKI