Patents by Inventor Goshi Biwa

Goshi Biwa 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: 20240006461
    Abstract: A light-emitting device according to one embodiment of the present disclosure includes: a base having a first surface and a second surface that face each other; a structure having a first conductivity type and erected in a direction perpendicular to the first surface of the base; a semiconductor layer having a second conductivity type different from the first conductivity type, and provided on a side surface of the structure; and an active layer provided between the structure and the semiconductor layer, and having substantially same end surface as the structure and the semiconductor layer above the first surface of the base.
    Type: Application
    Filed: November 12, 2021
    Publication date: January 4, 2024
    Applicant: SONY GROUP CORPORATION
    Inventors: Akira OHMAE, Goshi BIWA
  • Publication number: 20230078165
    Abstract: A light emitting device of an embodiment of the present disclosure includes: a substrate having a first surface and a second surface opposed to each other; semiconductor stacks provided on the first surface of the substrate and each including a first conductivity type layer, an active layer, and a second conductivity type layer that are stacked in order from a side of the first surface, the semiconductor stacks including multiple light emitting regions configured to emit light; and a separation section provided between the multiple light emitting regions and having a top surface at a position higher than the active layer in a direction of a normal to the first surface of the substrate.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 16, 2023
    Applicants: SONY GROUP CORPORATION, SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Akira OHMAE, Toshio FUJINO, Tatsuo OHASHI, Yusuke KATAOKA, Toyoharu OOHATA, Goshi BIWA
  • Patent number: 11486560
    Abstract: A display unit including: a plurality of first light emitting regions from which a first color light is to be extracted; a plurality of second light emitting regions from which a color light different from the first color light is to be extracted; a first light emitting device provided in each of the plurality of first light emitting regions and emitting the first color light; a second light emitting device provided in each of the plurality of second light emitting regions and emitting the first color light having a wavelength variation greater than a wavelength variation of the first color light to be emitted from the first light emitting device; and a wavelength converter provided in the second light emitting regions and converting a wavelength of the first color light emitted from the second light emitting device.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: November 1, 2022
    Assignee: SONY GROUP CORPORATION
    Inventor: Goshi Biwa
  • Patent number: 11444228
    Abstract: A light emitting device of one embodiment of the present disclosure includes: a substrate; a light emitting element disposed above the substrate, and having electrodes on respective upper surface and lower surface of the light emitting element; and a light shielding layer provided between the substrate and the light emitting element.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: September 13, 2022
    Assignee: SONY CORPORATION
    Inventors: Tatsuo Ohashi, Goshi Biwa, Akira Ohmae, Yusuke Kataoka
  • Patent number: 11411045
    Abstract: A light emitting device including a light emitting layer that is provided between a first face and a second face, a first electrode that is provided on the first face and is electrically coupled to the light emitting layer, a second electrode that is provided on the second face and is electrically coupled to the light emitting layer, and a non-selected electrode that is provided on the first face and is in a state not electrically coupled to a potential supply source.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: August 9, 2022
    Assignee: SONY CORPORATION
    Inventors: Yusuke Kataoka, Tatsuo Ohashi, Goshi Biwa, Akira Ohmae
  • Publication number: 20220102327
    Abstract: There is provided a display device including a plurality of unit regions disposed adjacent to each other, a first region that is provided in each of the unit regions, and emits first light, and a second region that is provided outside the first region in each of the unit regions, and emits second light. The second light is different from the first light in at least one of luminance, wavelength, or surface-reflection component, the second regions are provided between adjacent ones of the first regions, and a difference in luminance, wavelength, or surface-reflection component between the second light to be emitted from adjacent ones of the unit regions is smaller than a difference in luminance, wavelength, or surface-reflection component between the first light and the second light in a same one of the unit regions.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 31, 2022
    Inventors: AKIRA OHMAE, YUSUKE KATAOKA, TATSUO OHASHI, NORIFUMI KIKUCHI, KATSUHIRO TOMODA, GOSHI BIWA, IPPEI NISHINAKA
  • Patent number: 11222876
    Abstract: There is provided a display device including a plurality of unit regions disposed adjacent to each other, a first region that is provided in each of the unit regions, and emits first light, and a second region that is provided outside the first region in each of the unit regions, and emits second light. The second light is different from the first light in at least one of luminance, wavelength, or surface-reflection component, the second regions are provided between adjacent ones of the first regions, and a difference in luminance, wavelength, or surface-reflection component between the second light to be emitted from adjacent ones of the unit regions is smaller than a difference in luminance, wavelength, or surface-reflection component between the first light and the second light in a same one of the unit regions.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: January 11, 2022
    Assignees: SONY CORPORATION, SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Akira Ohmae, Yusuke Kataoka, Tatsuo Ohashi, Norifumi Kikuchi, Katsuhiro Tomoda, Goshi Biwa, Ippei Nishinaka
  • Publication number: 20210332966
    Abstract: A display unit including: a plurality of first light emitting regions from which a first color light is to be extracted; a plurality of second light emitting regions from which a color light different from the first color light is to be extracted; a first light emitting device provided in each of the plurality of first light emitting regions and emitting the first color light; a second light emitting device provided in each of the plurality of second light emitting regions and emitting the first color light having a wavelength variation greater than a wavelength variation of the first color light to be emitted from the first light emitting device; and a wavelength converter provided in the second light emitting regions and converting a wavelength of the first color light emitted from the second light emitting device.
    Type: Application
    Filed: October 3, 2019
    Publication date: October 28, 2021
    Applicant: SONY GROUP CORPORATION
    Inventor: Goshi BIWA
  • Patent number: 11158767
    Abstract: [Object] A light-emitting element includes: a semiconductor layer; a first electrode portion; a second electrode portion; a first insulating layer; and a metal layer. The semiconductor layer includes an active layer, a first-conductivity-type layer, and a second-conductivity-type layer, and has a semiconductor-layer side surface including a side surface of the active layer, a side surface of the first-conductivity-type layer, and a side surface of the second-conductivity-type layer. The first electrode portion is connected to the first-conductivity-type layer. The second electrode portion is connected to the second-conductivity-type layer. The first insulating layer is in contact at least with a part of the semiconductor-layer side surface, the part of the semiconductor-layer side surface corresponding to a part of the side surface of the active layer.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: October 26, 2021
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Goshi Biwa, Akira Ohmae, Yusuke Kataoka, Tatsuo Ohashi, Ippei Nishinaka
  • Patent number: 11081028
    Abstract: A light-emitting device assembly includes a light-emitting device including a light-emitting layer, a first electrode, and a second electrode, and a first connecting portion and a second connecting portion provided on a base, in which the first connecting portion and the second connecting portion are separated from each other by a separation portion, the base is exposed from the separation portion, a wide portion is on a first connecting portion side of the separation portion, the first electrode includes a first portion and a second portion, the second portion of the first electrode is connected to the first connecting portion, the first portion of the first electrode extends from the second portion of the first electrode, and an orthographic projection image of the first portion of the first electrode with respect to the base and the wide portion of the separation portion overlap with each other at least in part.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: August 3, 2021
    Assignee: SONY CORPORATION
    Inventors: Akira Ohmae, Yusuke Kataoka, Tatsuo Ohashi, Sayaka Aoki, Hiroki Naito, Ippei Nishinaka, Tsuyoshi Sahoda, Toshio Fujino, Hideyuki Nishioka, Goshi Biwa
  • Patent number: 11024783
    Abstract: A light emitting device includes a light emitting part 21, a black layer 51, and a light diffusion part 41 that is formed on or above the black layer 51. The black layer 51 is provided with an opening part 53 that allows light emitted from the light emitting part to pass through it. Then, light having passed through the opening part 53 passes through the light diffusion part 41.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 1, 2021
    Assignee: SONY CORPORATION
    Inventors: Akira Ohmae, Yusuke Kataoka, Tatsuo Ohashi, Sayaka Aoki, Ippei Nishinaka, Goshi Biwa
  • Publication number: 20210134765
    Abstract: There is provided a display device including: a plurality of unit regions disposed adjacent to each other; a first region that is provided in each of the unit regions, and emits first light; and a second region that is provided outside the first region in each of the unit regions, and emits second light, the second light being different from the first light in at least one of luminance, wavelength, or surface-reflection component, the second regions being provided between adjacent ones of the first regions, and a difference in luminance, wavelength, or surface-reflection component between the second light to be emitted from adjacent ones of the unit regions being smaller than a difference in luminance, wavelength, or surface-reflection component between the first light and the second light in a same one of the unit regions.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 6, 2021
    Inventors: AKIRA OHMAE, YUSUKE KATAOKA, TATSUO OHASHI, NORIFUMI KIKUCHI, KATSUHIRO TOMODA, GOSHI BIWA, IPPEI NISHINAKA
  • Patent number: 10937929
    Abstract: [Solving Means] A semiconductor unit includes a substrate, a semiconductor device, and a plating layer. The semiconductor device includes a semiconductor layer and one or more electrodes, the one or more electrodes being connected to the semiconductor layer and including a platinum-group element as a main material. The plating layer bonds the substrate and the electrode.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: March 2, 2021
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Akira Ohmae, Yusuke Kataoka, Tatsuo Ohashi, Ippei Nishinaka, Goshi Biwa
  • Patent number: 10840226
    Abstract: A light-emitting apparatus includes a plurality of packages each including a first substrate, and a single second substrate on which the plurality of packages are arrayed. The first substrate includes a first light source and a second light source. The first light source includes a first light-emitting section that emits light having a first wavelength, and first and second electrodes that are coupled to the first light-emitting section. The second light source includes a second light-emitting section that emits light having a second wavelength, and third and fourth electrodes that are coupled to the second light-emitting section. The second substrate includes first connection which is coupled to both the first electrode in a first package and the first electrode in a second package, second connection coupled to both the third electrode in the first package and the third electrode in the second package, and a driving circuit.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: November 17, 2020
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Goshi Biwa
  • Patent number: 10823337
    Abstract: There is provided a light emitting apparatus, including a plurality of light emitting elements having biased light properties; and a mounting substrate where the light emitting elements are arranged such that the biased light properties are complemented within a group including at least two light emitting elements among a plurality of the light emitting elements. Also, there are provided a light emitting unit, a display apparatus, an electronic device and a light emitting element using a plurality of point light sources.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: November 3, 2020
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Akira Ohmae, Yusuke Kataoka, Ippei Nishinaka, Tatsuo Ohashi, Gen Sakoda, Goshi Biwa
  • Publication number: 20200335677
    Abstract: A light emitting device of one embodiment of the present disclosure includes: a substrate; a light emitting element disposed above the substrate, and having electrodes on respective upper surface and lower surface of the light emitting element; and a light shielding layer provided between the substrate and the light emitting element.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 22, 2020
    Inventors: TATSUO OHASHI, GOSHI BIWA, AKIRA OHMAE, YUSUKE KATAOKA
  • Publication number: 20200302835
    Abstract: A light-emitting device assembly includes: a light-emitting device 11 including a light-emitting layer, a first electrode 31, and a second electrode 32; and a first connecting portion 41 and a second connecting portion 42 provided on a base 40, in which the first connecting portion 41 and the second connecting portion 42 are separated from each other by a separation portion 43, the base 40 being exposed from the separation portion 43, a wide portion 44 is provided on a first connecting portion side of the separation portion 43, the first electrode 31 includes a first portion 31A and a second portion 31B, the second portion 31B of the first electrode is connected to the first connecting portion 41, the first portion 31A of the first electrode extends from the second portion 31B of the first electrode, and an orthographic projection image of the first portion 31A of the first electrode with respect to the base 40 and the wide portion 44 of the separation portion 43 overlap with each other at least in part.
    Type: Application
    Filed: February 17, 2017
    Publication date: September 24, 2020
    Inventors: AKIRA OHMAE, YUSUKE KATAOKA, TATSUO OHASHI, SAYAKA AOKI, HIROKI NAITO, IPPEI NISHINAKA, TSUYOSHI SAHODA, TOSHIO FUJINO, HIDEYUKI NISHIOKA, GOSHI BIWA
  • Publication number: 20200194494
    Abstract: A light emitting device including: a light emitting layer that is provided between a first face and a second face; a first electrode that is provided on the first face and is electrically coupled to the light emitting layer; a second electrode that is provided on the second face and is electrically coupled to the light emitting layer; and a non-selected electrode that is provided on the first face and is in a state not electrically coupled to a potential supply source.
    Type: Application
    Filed: April 26, 2018
    Publication date: June 18, 2020
    Inventors: YUSUKE KATAOKA, TATSUO OHASHI, GOSHI BIWA, AKIRA OHMAE
  • Patent number: 10657868
    Abstract: A display apparatus may comprise a display section and circuitry. The display section may comprise a plurality of display units arranged in a two-dimensional array, wherein each of the display units comprises a plurality of pixels arranged in a matrix, and each of the plurality pixels comprises a plurality of light-emitting devices that are each configured to emit a different color of light. The circuitry may be configured to generate a corrected image signal based on an uncorrected image signal and correction factors that correct luminance and chromaticity of the light-emitting devices, including at least some correction factors determined by adjusting light emission intensity ratios of first light-emitting devices that are configured to emit light of a particular color and are disposed in different ones of the plurality of pixels.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 19, 2020
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Goshi Biwa, Norifumi Kikuchi, Ippei Nishinaka
  • Publication number: 20190140154
    Abstract: A light emitting device includes a light emitting part 21, a black layer 51, and a light diffusion part 41 that is formed on or above the black layer 51. The black layer 51 is provided with an opening part 53 that allows light emitted from the light emitting part to pass through it. Then, light having passed through the opening part 53 passes through the light diffusion part 41.
    Type: Application
    Filed: March 29, 2017
    Publication date: May 9, 2019
    Inventors: AKIRA OHMAE, YUSUKE KATAOKA, TATSUO OHASHI, SAYAKA AOKI, IPPEI NISHINAKA, GOSHI BIWA