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).

  • Patent number: 11545076
    Abstract: According to one embodiment a display device includes first and second sub-pixels, first and second power lines, and a reset line. The first sub-pixel includes a first light emitting element and a first pixel circuit. The second sub-pixel includes a second light emitting element and a second pixel circuit. The first power line supplies power to the first pixel circuit. The second power line supplies power to the second pixel circuit. Reset signal is supplied to the reset line. The reset line and the power lines are arranged in a display region. The reset line is connected to both the pixel circuits. A width of the first power line is larger than a width of the second power line.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: January 3, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshinori Aoki, Akihiro Ogawa, Masanobu Ikeda
  • Publication number: 20220415988
    Abstract: According to one embodiment, a display device comprises an insulating base, a plurality of light-emitting elements, a plurality of pixel circuits, and a plurality of lines. The insulating base includes a plurality of first island portions and a plurality of non-linear line portions connecting two of the first island portions. The light-emitting elements are arranged in each of the first island portions. The pixel circuits are arranged in each of the first island portions and driving the light-emitting elements. The lines are arranged in each of the line portions and connected to the pixel circuits of the two first island portions connected by the line portions.
    Type: Application
    Filed: August 8, 2022
    Publication date: December 29, 2022
    Inventors: Masanobu IKEDA, Yasuhiro KANAYA, Takumi SANO, Yasushi KAWATA
  • Patent number: 11532973
    Abstract: To prevent the axial compressive force that acts on the rotor core from becoming unnecessarily large and to enable a high-quality magnet embedded core to be manufactured efficiently, a retaining jig (10) for a rotor core (2) including a magnet insertion hole (4) forming a through hole defining openings on end surfaces in an axial direction includes: a first plate (12) configured to contact against one of the end surfaces of the rotor core (2) and including a gate (20) configured to communicate with the corresponding opening of the magnet insertion hole (4); a second plate (14) configured to oppose another of the end surfaces of the rotor core (2); a closure member (26) coupled to the second plate (14) via a compression spring member (28) and configured to be capable of closing the opening of the magnet insertion hole (4) on the other of the end surfaces; and a coupling member (30) that couples the first plate (12) and the second plate (14) to each other such that the closure member (26) closes the opening and
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: December 20, 2022
    Assignee: KURODA PRECISION INDUSTRIES LTD.
    Inventors: Masanobu Ikeda, Osamu Fukuyama, Tomoaki Murayama
  • Publication number: 20220399320
    Abstract: A display device includes a substrate, a plurality of pixels provided to the substrate, a plurality of mounting electrodes and a plurality of light-emitting elements provided to the pixels, a first region provided at a center part of a display region of the substrate, and a second region provided closer to an outer end of the substrate than the first region in the display region of the substrate.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 15, 2022
    Inventor: Masanobu IKEDA
  • Publication number: 20220399319
    Abstract: A display device includes an array substrate, a plurality of mounting electrodes provided to the array substrate, a columnar conductor for coupling provided to each of the mounting electrodes, a plurality of light-emitting elements provided to the array substrate, a first electrode and a second electrode provided to a surface of each of the light-emitting elements facing the array substrate, the first electrode being coupled to one of an anode and a cathode of the light-emitting element, the second electrode being coupled to the other of the anode and the cathode of the light-emitting element, and a coupling member covering each of the first electrode and the second electrode. The columnar conductor is made of material harder than the coupling member, and an end of the columnar conductor on the light-emitting element side is electrically coupled to the coupling member.
    Type: Application
    Filed: June 2, 2022
    Publication date: December 15, 2022
    Inventor: Masanobu IKEDA
  • Publication number: 20220397786
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer and a seal. The second substrate is opposed to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The seal bonds the first substrate to the second substrate together and seals the liquid crystal layer. The first substrate includes a light source disposed at a position overlapping the seal in a planar view. The light source is sealed by the seal.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 15, 2022
    Applicant: Japan Display Inc.
    Inventor: Masanobu IKEDA
  • Publication number: 20220334680
    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: July 1, 2022
    Publication date: October 20, 2022
    Inventors: Koji ISHIZAKI, Koji NOGUCHI, Masanobu IKEDA, Yasuyuki MATSUI
  • Publication number: 20220336716
    Abstract: A display device includes a light emitting element and a first optical adjustment member located over the light emitting element and overlapping the light emitting element. An area of an upper surface of the first optical adjustment member is larger than an area of a lower surface of the first optical adjustment member. The display device further includes a second optical adjustment member in contact with a side surface of the first optical adjustment member. A refractive index of the second optical member is smaller than a refractive index of the first optical adjustment member.
    Type: Application
    Filed: April 12, 2022
    Publication date: October 20, 2022
    Applicant: Japan Display Inc.
    Inventors: Jin HIROSAWA, Masanobu IKEDA, Yoshinori TANAKA, Junko NAGASAWA
  • Patent number: 11456329
    Abstract: A display device, includes: a substrate; a plurality of pixels provided on the substrate; and a plurality of light emitting elements provided in each of the pixels. A first distance between a top surface of the substrate and one of the light emitting elements in a direction perpendicular to the top surface of the substrate, in a center portion of a display region of the substrate, is different from a second distance between the top surface of the substrate and another one of the light emitting elements in the direction perpendicular to the top surface of the substrate, in a periphery portion of the display region.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: September 27, 2022
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Yoshinori Aoki, Akihiro Ogawa, Yasuhiro Kanaya
  • Publication number: 20220295977
    Abstract: A brush with an LED light source includes a body, and a head provided at a tip of the body, the head including a housing part connected to the body, a support part detachably attached to the housing part, a brush part formed of a plurality of bristles planted in the support part, and a light-source part provided inside the housing part, wherein the light-source part has a first LED for emitting light having a peak in a first wavelength band and a second LED for emitting light having a peak in a second wavelength band different from the first wavelength band.
    Type: Application
    Filed: March 17, 2022
    Publication date: September 22, 2022
    Applicant: Japan Display Inc.
    Inventor: Masanobu IKEDA
  • Publication number: 20220302096
    Abstract: A display device includes a substrate, a plurality of light-emitting elements and a plurality of transistors provided to the substrate, a first organic insulating film that is provided covering the transistors and is in direct contact with at least one of a source electrode and a drain electrode of the transistors, an anode electrode provided on the first organic insulating film and electrically coupled to each of the light-emitting elements, a cavity formed in the first organic insulating film and recessed toward the substrate, and a reflective layer provided covering a side and a bottom of the cavity formed in the first organic insulating film
    Type: Application
    Filed: March 15, 2022
    Publication date: September 22, 2022
    Applicant: Japan Display Inc.
    Inventors: Masanobu IKEDA, Yoshinori TANAKA, Jin HIROSAWA
  • Publication number: 20220302358
    Abstract: A light emitting device according to one embodiment includes a substrate including a mounting area, a plurality of light emitting elements disposed in the mounting area, and a sealing layer covering the light emitting elements and the mounting area. The sealing layer contains, a base material and a filler added to the base material. A coefficient of thermal expansion of the filler is smaller than the coefficient of thermal expansion of the base metal. Furthermore, a refractive index of the filler is different from the refractive index of the base material.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Applicant: Japan Display Inc.
    Inventor: Masanobu IKEDA
  • Publication number: 20220293579
    Abstract: A display device includes a substrate, a first light-emitting diode (LED) element and a second LED element provided to the substrate and configured to output light, a first signal line provided between the first LED element and the second LED element and electrically coupled to the first LED element, a second signal line provided between the first LED element and the second LED element and electrically coupled to the second LED element, gate wiring intersecting the first signal line and the second signal line, and anode wiring overlapping the gate wiring and electrically coupled to the first LED element and the second LED element. The anode wiring extends parallel to the gate wiring.
    Type: Application
    Filed: June 2, 2022
    Publication date: September 15, 2022
    Inventors: Akihiro OGAWA, Masanobu IKEDA, Yasuhiro KANAYA, Yoshinori AOKI
  • Publication number: 20220283460
    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: Application
    Filed: May 27, 2022
    Publication date: September 8, 2022
    Inventors: Koji ISHIZAKI, Masanobu IKEDA, Hayato KURASAWA, Yoshihiro WATANABE
  • Publication number: 20220285332
    Abstract: According to one embodiment, a display device includes pixels each including transistors, pixel electrodes, a contact electrode, and light emitting elements, and an insulating basement, a first organic insulating layer, a second organic insulating layer, a resin layer, a common electrode, and first wiring lines. The common electrode is electrically connected to cathodes of the light emitting elements, and electrically connected to the contact electrodes of the pixels. The first wiring lines, each provided between the first organic insulating layer and the second organic insulating layer or between the second organic insulating layer and the resin layer, are electrically connected to the contact electrodes of the pixels, and are formed of a metal.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Inventors: Yoshinori AOKI, Yasuhiro KANAYA, Masanobu IKEDA, Akihiro OGAWA
  • Patent number: 11437428
    Abstract: A display device comprises: a substrate; a plurality of pixels provided to the substrate; and a plurality of light emitting elements provided to the respective pixels. The light emitting elements include a plurality of first light emitting elements, a plurality of second light emitting elements, and a plurality of third light emitting elements, the first light emitting elements are arrayed on the substrate in a first direction and a second direction, the third light emitting element has a part not overlapping the first light emitting element or the second light emitting element when one of the pixels is viewed in the first direction, and the third light emitting element has a part not overlapping the first light emitting element or the second light emitting element when one of the pixels is viewed in the second direction.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: September 6, 2022
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Yoshinori Aoki, Akihiro Ogawa, Yasuhiro Kanaya
  • Patent number: 11409399
    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: Grant
    Filed: December 14, 2020
    Date of Patent: August 9, 2022
    Assignee: Japan Display Inc.
    Inventors: Koji Ishizaki, Koji Noguchi, Masanobu Ikeda, Yasuyuki Matsui
  • Patent number: 11378833
    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: August 27, 2020
    Date of Patent: July 5, 2022
    Assignee: Japan Display Inc.
    Inventors: Koji Ishizaki, Masanobu Ikeda, Hayato Kurasawa, Yoshihiro Watanabe
  • Patent number: 11360341
    Abstract: A display device is provided and including first and second substrates, wherein the first substrate includes a first area, a second area overlapping the second substrate, a first edge extending in a first direction, a first terminal portion on the first area; the second substrate has a first protruding portion protruding toward the first edge of the first substrate and a second edge including a linear portion along the first edge and a curved portion connected to the linear portion and extending toward the first edge, the curved portion constitutes a part of a edge of the first protruding portion, and a width in the first direction of the first protruding portion gradually decreases toward the first edge.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: June 14, 2022
    Assignee: Japan Display Inc.
    Inventors: Koji Ishizaki, Hayato Kurasawa, Masanobu Ikeda
  • Patent number: 11362078
    Abstract: According to an aspect, a display device includes: a substrate; and a plurality of pixels provided on the substrate. Each of the pixels includes a red light emitting element and a first green light emitting element. When the first green light emitting element and the red light emitting element are turned on simultaneously, an emission intensity of the first green light emitting element is lower than an emission intensity of the red light emitting element, and a half width of a spectrum of light output from the first green light emitting element is greater than a half width of a spectrum of light output from the red light emitting element.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: June 14, 2022
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Yuji Maede, Yasuhiro Kanaya