Patents by Inventor Masanobu Ikeda

Masanobu Ikeda 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: 20240379928
    Abstract: A display device includes a substrate, a plurality of first pixels and a plurality of second pixels provided to the substrate, a plurality of inorganic light emitting elements provided to the respective first pixels and the respective second pixels, a plurality of signal lines configured to supply a signal to the first pixels and the second pixels, and a plurality of power supply lines configured to supply a power supply potential to the first pixels and the second pixels. At least one or more of the signal lines are provided in a layer different from a layer of the power supply lines in the first pixels, and the signal lines and the power supply lines are provided in the same layer in the second pixels.
    Type: Application
    Filed: July 23, 2024
    Publication date: November 14, 2024
    Inventors: Masanobu IKEDA, Osamu ITOU, Yoshinori AOKI
  • Patent number: 12142600
    Abstract: According to one embodiment, a display panel includes a substrate, a first insulating layer, a second insulating layer, and pixels including subpixels of colors. Each of the subpixels includes a drive transistor, a conductive layer, a pixel electrode receiving a signal having a controlled current value from the drive transistor via the conductive layer, and a light-emitting element. Each of the pixels has a mounting electrode overlaid on the conductive layer in each of the subpixels. In a first pixel of the pixels, the mounting electrode is in an electrically floating state.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: November 12, 2024
    Assignee: Japan Display Inc.
    Inventors: Yasuhiro Kanaya, Masanobu Ikeda
  • Publication number: 20240334743
    Abstract: According to one embodiment, a display panel includes a substrate, a first insulating layer, and a plurality of pixels including sub-pixels of a plurality of colors, respectively. Each of the sub-pixels includes a drive transistor, a pixel electrode supplied with a signal having a current value controlled from the drive transistor, and a light emitting element mounted on the pixel electrode. Each of the pixels includes a mounting electrode located to be spaced apart from the pixel electrode. The mounting electrode is in an electrically floating state in a first pixel of the plurality of pixels.
    Type: Application
    Filed: June 11, 2024
    Publication date: October 3, 2024
    Applicant: Japan Display Inc.
    Inventors: Yasuhiro KANAYA, Masanobu IKEDA
  • Patent number: 12087894
    Abstract: A display device includes a substrate, a plurality of first pixels and a plurality of second pixels provided to the substrate, a plurality of inorganic light emitting elements provided to the respective first pixels and the respective second pixels, a plurality of signal lines configured to supply a signal to the first pixels and the second pixels, and a plurality of power supply lines configured to supply a power supply potential to the first pixels and the second pixels. At least one or more of the signal lines are provided in a layer different from a layer of the power supply lines in the first pixels, and the signal lines and the power supply lines are provided in the same layer in the second pixels.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: September 10, 2024
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Osamu Itou, Yoshinori Aoki
  • Patent number: 12087883
    Abstract: According to one embodiment, a display device includes a substrate, an anode electrode, a light emitting element and a reflector plate. The anode electrode is arranged on the substrate. The light emitting element is mounted on the anode electrode. The reflector plate is arranged under the anode electrode, and is arranged to overlap a region where the light emitting element is mounted, in planar view. An anode terminal is arranged on a bottom part and electrically connected to the anode electrode. A cathode terminal is arranged across an entire upper surface on a side opposite to the anode terminal. The anode electrode being smaller than the cathode terminal in a position overlapping the region where the light emitting element is mounted in planar view.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: September 10, 2024
    Assignee: Japan Display Inc.
    Inventors: Hidemasa Yamaguchi, Masanobu Ikeda
  • Patent number: 12057198
    Abstract: A terminal device according to an embodiment includes an accepting unit, a secret value generating unit, a response data generating unit, and an output unit. The accepting unit accepts an inquiry about genome data of each user. The secret value generating unit generates a secret value by applying a one-way function to the genome data. The response data generating unit generates response data to the inquiry on the basis of the secret value generated by the secret value generating unit and contents of the inquiry. The output unit outputs the response data generated by the response data generating unit.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: August 6, 2024
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA DIGITAL SOLUTIONS CORPORATION
    Inventors: Shingo Miyazaki, Masanobu Koike, Fumihiko Sano, Tatsuro Ikeda, Yoshikazu Hanatani, Taihei Yamaguchi
  • Patent number: 12055735
    Abstract: A transparent substrate with an antiglare film, includes a transparent substrate having first and second main surfaces and an antiglare film formed on the first main surface. The antiglare film includes a low refractive index layer formed on the first main surface and a high refractive index layer formed in the low refractive index layer and having a refractive index different from that of the low refractive index layer. The low refractive index layer has nlow of 1.4 to 1.8. The high refractive index layer has nhigh at least 0.1 higher than the nlow. The high refractive index layer has an area ratio of its portion where a surface inclination to the first main surface is 0.5° or less of 15% or less. An average length RSm of elements of a roughness curve of an outermost surface on a first main surface side is 50 ?m or less.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: August 6, 2024
    Assignee: AGC Inc.
    Inventors: Masanobu Isshiki, Toru Ikeda, Yosuke Takeda, Takamichi Shimosaka, Takaaki Murakami
  • Publication number: 20240258295
    Abstract: A display device includes a substrate, a plurality of pixels arrayed on the substrate, an inorganic light-emitting element provided to each of the pixels, an anode electrode electrically coupled to the inorganic light-emitting element, a transistor provided on a first surface of the substrate, and coupling wiring that couples the anode electrode and the transistor. The anode electrode protrudes from an inside to an outside of the inorganic light-emitting element in planar view from a normal direction of the substrate.
    Type: Application
    Filed: April 15, 2024
    Publication date: August 1, 2024
    Inventors: Masanobu IKEDA, Yasuhiro KANAYA
  • Publication number: 20240243116
    Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixels arrayed on the substrate; a plurality of inorganic light-emitting elements that are provided in the pixels, respectively; a transistor provided to a first surface of the substrate and coupled to one of the inorganic light-emitting elements; wiring provided to the first surface of the substrate and coupled to the transistor; and a circular polarization plate provided on a first side of the substrate.
    Type: Application
    Filed: February 21, 2024
    Publication date: July 18, 2024
    Inventors: Masanobu IKEDA, Yasuhiro KANAYA, Tadafumi OZAKI
  • Patent number: 12041821
    Abstract: According to one embodiment, a display panel includes a substrate, a first insulating layer, and a plurality of pixels including sub-pixels of a plurality of colors, respectively. Each of the sub-pixels includes a drive transistor, a pixel electrode supplied with a signal having a current value controlled from the drive transistor, and a light emitting element mounted on the pixel electrode. Each of the pixels includes a mounting electrode located to be spaced apart from the pixel electrode. The mounting electrode is in an electrically floating state in a first pixel of the plurality of pixels.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: July 16, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Yasuhiro Kanaya, Masanobu Ikeda
  • Patent number: 12025874
    Abstract: A display apparatus includes a first substrate, a second substrate facing the first substrate, lead wirings provided on the first substrate or the second substrate and a first insulator part provided on an upper surface of the second substrate. The lead wirings are arranged in a peripheral region when seen in a plan view and the first insulator part is arranged so as to overlap a display region when seen in a plan view. Second insulator parts or spaces with a permittivity lower than a permittivity of the first insulator part are provided at sides of the first insulator part. The second insulator parts or the spaces are arranged so as to overlap the lead wirings in the peripheral region when seen in a plan view.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: July 2, 2024
    Assignee: Japan Display Inc.
    Inventors: Koji Ishizaki, Masanobu Ikeda, Hayato Kurasawa, Yoshihiro Watanabe
  • Patent number: 12015021
    Abstract: A display device includes a substrate, a plurality of pixels provided to the substrate, a light emitting element and a plurality of transistors provided to each of the pixels, signal lines configured to supply a signal to the pixels, a first semiconductor layer and a second semiconductor layer provided in different layers in a direction perpendicular to the substrate and overlap at least partially in planar view, first gate electrodes each of which is provided in a region overlapping a part of the first semiconductor layer, a first insulating film provided between the first gate electrodes and the first semiconductor layer, and a second insulating film provided between the first semiconductor layer and the second semiconductor layer.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: June 18, 2024
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Yasuhiro Kanaya, Yoshinori Aoki
  • Publication number: 20240194659
    Abstract: A display device including a substrate, a plurality of pixels, a plurality of inorganic light-emitting elements, a flattening film, and an inorganic film. The pixels are arrayed on the substrate and display different colors. The inorganic light-emitting elements are provided to the respective pixels. The flattening film surrounds at least a side surface of the inorganic light-emitting element. The inorganic film covers the flattening film and the inorganic light-emitting element. The upper surface of the inorganic light-emitting element is exposed from the flattening film and is in contact with the inorganic film. Alternatively, the flattening film is provided covering the upper surface of the inorganic light-emitting element.
    Type: Application
    Filed: February 21, 2024
    Publication date: June 13, 2024
    Inventors: Yasuhiro KANAYA, Masanobu IKEDA
  • Publication number: 20240185769
    Abstract: A display apparatus with a detecting device includes a substrate, a plurality of pixels provided to the substrate, an inorganic light emitting element provided to each of the pixels, a plurality of detection electrodes arranged in a first direction parallel to the substrate, and a plurality of drive electrodes arranged in a second direction intersecting the first direction and provided intersecting the detection electrodes in planar view seen from a direction perpendicular to the substrate. The detection electrodes each includes a plurality of first linear parts, a plurality of second linear parts extending in a direction intersecting the first linear parts, and a bent part that couples the first linear part and the second linear part, the first linear parts and the second linear parts are metal thin wires, and the drive electrodes are translucent electric conductors.
    Type: Application
    Filed: January 16, 2024
    Publication date: June 6, 2024
    Inventors: Masanobu IKEDA, Yasuhiro KANAYA
  • Patent number: 11996033
    Abstract: A display apparatus with a detecting device includes a substrate, a plurality of pixels provided to the substrate, an inorganic light emitting element provided to each of the pixels, a plurality of detection electrodes arranged in a first direction parallel to the substrate, and a plurality of drive electrodes arranged in a second direction intersecting the first direction and provided intersecting the detection electrodes in planar view seen from a direction perpendicular to the substrate. The detection electrodes each includes a plurality of first linear parts, a plurality of second linear parts extending in a direction intersecting the first linear parts, and a bent part that couples the first linear part and the second linear part, the first linear parts and the second linear parts are metal thin wires, and the drive electrodes are translucent electric conductors.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: May 28, 2024
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Yasuhiro Kanaya
  • Patent number: 11990480
    Abstract: A display device includes a substrate, a plurality of pixels provided to the substrate, a light emitting element and a plurality of transistors provided to each of the pixels, a plurality of signal lines configured to supply a signal to the pixels, a power supply line configured to supply a drive potential to the pixels, a first metal layer, a second metal layer, and a third metal layer provided in different layers in a direction perpendicular to the substrate, a first insulating film provided between the first metal layer and the second metal layer, and a second insulating film provided between the second metal layer and the third metal layer.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: May 21, 2024
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Yasuhiro Kanaya, Yoshinori Aoki
  • Patent number: 11990457
    Abstract: A display device includes a substrate, a plurality of pixels arrayed on the substrate, an inorganic light-emitting element provided to each of the pixels, an anode electrode electrically coupled to the inorganic light-emitting element, a transistor provided on a first surface of the substrate, and coupling wiring that couples the anode electrode and the transistor. The anode electrode protrudes from an inside to an outside of the inorganic light-emitting element in planar view from a normal direction of the substrate.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: May 21, 2024
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Yasuhiro Kanaya
  • Publication number: 20240118778
    Abstract: There are provided a display panel with a touch detector that allows the touch detection electrodes to be less visible, a touch panel, and an electronic unit having the display panel with a touch detector. The display panel with a touch detector includes: a display layer including a plurality of display elements arranged side by side; and an electrode layer alternately segmented into first regions and second regions along a first direction, the electrode layer including a plurality of first slits arranged side by side to extend in a second direction, and a plurality of second slits each allowing an adjacent pair of the plurality of first slits in the second regions to be in communication with one another.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Inventors: Koji ISHIZAKI, Koji NOGUCHI, Masanobu IKEDA, Yasuyuki MATSUI
  • Publication number: 20240113174
    Abstract: A laminate includes an amorphous glass substrate, and an AlN layer formed on the amorphous glass substrate. The AlN layer is c-axis oriented on the amorphous glass substrate, a glass transition temperature (Tg) of the amorphous glass substrate is 720° C. to 810° C., a coefficient of thermal expansion (CTE) of the amorphous glass substrate is 3.5×10?6 [1/K] to 4.0×10?6 [1/K], and a softening point of the amorphous glass substrate is 950° C. to 1050° C.
    Type: Application
    Filed: December 7, 2023
    Publication date: April 4, 2024
    Applicants: Japan Display Inc., MEIJO UNIVERSITY
    Inventors: Masanobu IKEDA, Arichika ISHIDA, Satoshi KAMIYAMA, Motoaki IWAYA, Tetsuya TAKEUCHI
  • Publication number: 20240105902
    Abstract: A display device includes a substrate, a heat dissipation layer provided to a main surface of the substrate and including aluminum nitride, a plurality of light-emitting elements provided on the heat dissipation layer on the main surface of the substrate, an insulating film covering the heat dissipation layer, and cathode wiring provided on the insulating film in a peripheral region outside a display region of the substrate and electrically coupled to a cathode of the light-emitting elements. The heat dissipation layer is continuously provided from a region overlapping the light-emitting elements to the peripheral region, and the insulating film has a contact hole overlapping the cathode wiring and the heat dissipation layer in plan view from a direction perpendicular to the main surface of the substrate.
    Type: Application
    Filed: December 8, 2023
    Publication date: March 28, 2024
    Applicant: Japan Display Inc.
    Inventor: Masanobu IKEDA