Patents by Inventor Toru Hashimoto

Toru Hashimoto 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: 20220173279
    Abstract: A light emitting device includes a light emitting element having an upper emission face, a lower face and a lateral face(s); a reflecting member having an upper face, a lower face and inner and outer lateral faces, wherein the inner lateral face(s) is disposed on the lateral face side of the light emitting element; a wavelength conversion member having an upper emission face, a lower face and a lateral face(s), wherein the lower face is disposed on the upper emission face of the light emitting element and on the upper face of reflecting member; and a cover member having inner and outer lateral faces, wherein the inner lateral face(s) completely covers the lateral face(s) of the wavelength conversion member. The cover member contains a reflecting substance and a coloring substance, and the body color of the wavelength conversion member and body color of the cover member are the same or similar in color.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Applicant: NICHIA CORPORATION
    Inventor: Toru HASHIMOTO
  • Publication number: 20220170611
    Abstract: A light emitting module includes: a light guide member including: an emission region defined by a sectioning groove, a light source placement part located in the emission region, and a light adjusting hole that, in a schematic top view, is located between the sectioning groove and the light source placement part; and a light source disposed in the light source placement part. A refractive index of an inside of the light adjusting hole is lower than a refractive index of the light guide member. In the schematic top view, the light adjusting hole is positioned to intersect with a first straight line connecting a center of the light source and a farthest point in the sectioning groove, the farthest point being farthest from the center of the light source.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Applicant: NICHIA CORPORATION
    Inventors: Takuya NAKABAYASHI, Toru HASHIMOTO, Keiji EMURA
  • Patent number: 11342314
    Abstract: A light-emitting module includes a light-emitting element unit including a light-emitting element, a light-transmissive member covering a main light-emitting surface of the light-emitting element, and a first light-reflective member covering lateral surfaces of the light-emitting element; a light-transmissive light-guiding plate having a first main surface and a second main surface having a recess accommodating the light-emitting element unit; a second light-reflective member covering the second main surface and the light-emitting element unit; and a light-transmissive bonding member disposed in contact with inner lateral surfaces of the recess and outer lateral surfaces of the light-emitting element unit. At least a portion of the first light-reflective member is located outside the recess in a cross-sectional view, and is in contact with the light-transmissive bonding member.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: May 24, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Daisuke Kasai, Tadao Hayashi, Toru Hashimoto
  • Publication number: 20220146739
    Abstract: A light-emitting module includes first and second light sources, first and second light guide parts, and a first light-modulating member. The first light guide part includes a first A-major surface, a first B-major surface, a first side surface positioned between the first A-major surface and the first B-major surface, and a first hole portion in which the first light source is disposed. The second light guide part includes a second A-major surface, a second B-major surface, a second side surface positioned between the second A-major surface and the second B-major surface, the second side surface facing the first side surface, and a second hole portion in which the second light source is disposed. The first light-modulating member is positioned at an upper side of the first A-major surface. The first light-modulating member overlaps the first A-major surface and the first side surface when viewed in top-view.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 12, 2022
    Inventors: Takuya NAKABAYASHI, Toru HASHIMOTO
  • Publication number: 20220140209
    Abstract: A light-emitting device includes: a light-emitting element having an upper surface, a lower surface opposite to the upper surface, and lateral surfaces between the upper surface and the lower surface; a plurality of electrodes electrically connected to the light-emitting element and disposed on the lower surface of the light-emitting element; and a resin member covering the upper surface, the lower surface, and the lateral surfaces of the light-emitting element, the resin member having an upper surface, a lower surface opposite to the upper surface, and lateral surfaces between the upper surface and the lower surface. A portion of each of the electrodes is exposed at the lower surface of the resin member. A plurality of grooves are defined in the lower surface of the resin member, each of the grooves extending from a position apart from the electrode to an outer edge of the lower surface of the resin member.
    Type: Application
    Filed: October 27, 2021
    Publication date: May 5, 2022
    Applicant: NICHIA CORPORATION
    Inventor: Toru HASHIMOTO
  • Patent number: 11316080
    Abstract: A light emitting device includes a light emitting element, a light guide member, a reflecting member, a wavelength conversion member. The light emitting element has a light emitting surface and lateral surfaces. The light guiding member is provided on at least a portion of the lateral surfaces of the light emitting element. The reflecting member is provided on the lateral surface of the light emitting element with the light guiding member interposed therebetween. The wavelength conversion member is provided on the light emitting surface of the light emitting element, the light guiding member and the reflecting member. The wavelength conversion member is provided with a recess between an outer lateral surface of the wavelength conversion member and the light guiding member. The reflecting member is provided in the recess.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: April 26, 2022
    Assignee: Nichia Corporation
    Inventor: Toru Hashimoto
  • Publication number: 20220099880
    Abstract: A light emitting module includes: a light source part including a first light source and a second light source; a light guide member including: a first light guide part having a 1st A principal face, a 1st B principal face located opposite to the 1st A principal face, a first lateral face positioned between the 1st A principal face and the 1st B principal face, and a first hole in which the first light source is disposed; and a second light guide part having a 2nd A principal face, a 2nd B principal face located opposite to the 2nd A principal face, a second lateral face positioned between the 2nd A principal face and the 2nd B principal face, the second lateral face facing the first lateral face, and a second hole in which the second light source is disposed.
    Type: Application
    Filed: September 28, 2021
    Publication date: March 31, 2022
    Applicant: NICHIA CORPORATION
    Inventor: Toru HASHIMOTO
  • Patent number: 11287105
    Abstract: A light emitting module includes: a light guide member including: an emission region defined by a sectioning groove, a light source placement part located in the emission region, and a light adjusting hole that, in a schematic top view, is located between the sectioning groove and the light source placement part; and a light source disposed in the light source placement part. A refractive index of an inside of the light adjusting hole is lower than a refractive index of the light guide member. In the schematic top view, the light adjusting hole is positioned to intersect with a first straight line connecting a center of the light source and a farthest point in the sectioning groove, the farthest point being farthest from the center of the light source.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: March 29, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Toru Hashimoto, Keiji Emura
  • Patent number: 11289627
    Abstract: A light emitting device includes a light emitting element having an upper emission face, a lower face and a lateral face(s); a reflecting member having an upper face, a lower face and inner and outer lateral faces, wherein the inner lateral face(s) is disposed on the lateral face side of the light emitting element; a wavelength conversion member having an upper emission face, a lower face and a lateral face(s), wherein the lower face is disposed on the upper emission face of the light emitting element and on the upper face of reflecting member; and a cover member having inner and outer lateral faces, wherein the inner lateral face(s) completely covers the lateral face(s) of the wavelength conversion member. The cover member contains a reflecting substance and a coloring substance, and the body color of the wavelength conversion member and body color of the cover member are the same or similar in color.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 29, 2022
    Assignee: Nichia Corporation
    Inventor: Toru Hashimoto
  • Publication number: 20220066088
    Abstract: A method of manufacturing a light emitting module includes: providing an intermediate that includes a light guide having a first principal face and a second principal face opposing the first principal face, a plurality of light sources disposed on the second principal face of the light guide, and a wiring layer disposed on the second principal face and electrically connected to the plurality of light sources; allowing the plurality of light sources to emit light and measuring optical characteristics of the emitted light; and forming an optical characteristic correcting element in the intermediate based on the measured optical characteristics.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 3, 2022
    Applicant: NICHIA CORPORATION
    Inventors: Keiji EMURA, Takuya NAKABAYASHI, Toru HASHIMOTO
  • Patent number: 11264549
    Abstract: Provided is a method for producing a light emitting device, including the steps of providing an intermediate body including a precursor substrate including a base member that includes a top surface and a first bottom surface, a pair of first wiring portions on the top surface, and a pair of second wiring portions electrically connected with the pair of first wiring portions respectively and positioned between the top surface and the first bottom surface; and a light emitting element on the first wiring portions; removing a part of the base member off the first bottom surface of the base member to thin the base member so that a second bottom surface of the base member is formed; and forming a pair of external electrodes, to be electrically connected with the pair of second wiring portions respectively, on the second bottom surface.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: March 1, 2022
    Assignee: NICHIA CORPORATION
    Inventor: Toru Hashimoto
  • Patent number: 11264552
    Abstract: The light emitting device includes: a light emitting element, a covering member, a pair of electrode layers, and a pair of electrode terminals. The light emitting element has an electrode-formed surface on which a pair of electrode posts are formed. The covering member covers an electrode-formed surface of the light emitting element while forming an exposed portion of each of the pair of electrode posts which is exposed from the covering member. The pair of electrode layers are provided on a surface of the covering member and electrically connected to the exposed portions of the pair of electrode posts. The pair of electrode terminals are electrically connected to the pair of electrode layers, and provided on the surface of the covering member. The pair of electrode terminals are thicker than the pair of electrode layers, and are disposed at an interval larger than an interval between the pair of electrode posts.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: March 1, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Shinichi Daikoku, Toru Hashimoto
  • Patent number: 11254077
    Abstract: A method for manufacturing a light emitting device includes: preparing a baseplate having a plate surface on which a protrusion is disposed; forming a first resin frame having an opening on the plate surface, wherein the opening is located above the protrusion; forming a second resin in the opening; detaching the baseplate; bonding a light emitting element to a surface of the second resin surface that has been exposed as a result of detaching the baseplate; and forming a third resin that surrounds lateral faces of the light emitting element and that covers and contacts a portion of the first resin frame.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: February 22, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Teruhito Azuma, Toru Hashimoto, Tadao Morino
  • Patent number: 11205745
    Abstract: A light emitting device comprising: a light emitting element; a phosphor layer covering side surfaces and an upper surface of the light emitting element; a first light diffusion layer disposed lateral to the light emitting element with the phosphor layer interposed therebetween; a second light diffusion layer disposed on the phosphor layer and the first light diffusion layer; and a first light reflective layer disposed on the second light diffusion layer. A lower surface of the second light diffusion layer comprises a first lower surface portion facing an upper surface of the phosphor layer and a second lower surface portion facing an upper surface of the first light diffusion layer, and at least a part of the first lower surface portion is located lower than the second lower surface portion.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: December 21, 2021
    Assignee: NICHIA CORPORATION
    Inventor: Toru Hashimoto
  • Patent number: 11201258
    Abstract: A method for manufacturing a light emitting device includes: providing an intermediate structure including first and second layered structures arranged in a first direction in a light reflecting member, wherein each of the layered structures includes a first and second electrodes arranged in a second direction, and wherein the intermediate structure has a first surface at which the first and second electrodes are exposed; on the first surface, forming a first hole in the light reflecting member between the first electrodes as viewed in the second direction; on the first surface, forming a second hole in the light reflecting member between the second electrodes as viewed in the second direction; forming a conductive film on exposed surfaces of the first and second electrodes, and in the first and second holes; and severing the light reflecting member and the conductive film at positions that pass through the first and second holes.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: December 14, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Tadaaki Ikeda, Toru Hashimoto
  • Publication number: 20210382354
    Abstract: A planar light source includes a wiring substrate including an insulating layer comprising a first through-hole, a second through-hole, a first wiring layer, and a second wiring layer; a light source including a first electrode and a second electrode, a light guide member; a first wiring member including a first portion filling the first through-hole and electrically connected to the first electrode and a second portion disposed below the insulating layer, continuous with the first portion, and in contact with the first wiring layer; and a second wiring member including a third portion filling the second through-hole and electrically connected to the second electrode and a fourth portion disposed below the insulating layer, continuous with the third portion, and in contact with the second wiring layer. The first and second wiring layers are arranged at opposite sides of the first and second through-holes in a top plan view.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 9, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Yasunori SHINOMIYA, Toru HASHIMOTO
  • Publication number: 20210341794
    Abstract: The method of manufacturing a light emitting module includes: providing a light guiding plate having a first main surface serving as a light emitting surface; and a second main surface positioned opposite to the first main surface and provided with a recess; providing a light adjustment portion containing a fluorescent material; providing a light emitting element unit in which a light emitting element comprising an electrode is integrally bonded to the light adjustment portion; bonding the light adjustment portion of the light emitting element unit to the recess; and forming wiring on the electrode of the light emitting element.
    Type: Application
    Filed: June 22, 2021
    Publication date: November 4, 2021
    Applicant: NICHIA CORPORATION
    Inventor: Toru HASHIMOTO
  • Patent number: 11165006
    Abstract: The method of manufacturing a light emitting device includes: providing a first intermediate body, the first intermediate body including a temporary substrate including a base and a pair of first wirings, and a light emitting element including a pair of element electrodes, each of the pair of element electrodes connected to a respective one of the first wirings via a respective one of a plurality of solders; removing a portion of the temporary substrate to form a second intermediate body having a second lower surface in which a lower surface of each of the element electrodes and a lower surface of each of the plurality of solders are located; and forming a pair of external connection electrodes on the second lower surface such that each of the pair of external connection electrodes cover a respective one of the element electrodes and a respective one of the plurality of solders.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: November 2, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Toru Hashimoto, Yoichi Bando, Tadaaki Ikeda, Gensui Tamura
  • Publication number: 20210296534
    Abstract: In order to obtain a light emitting module with a less unevenness of luminance, provided is a method for manufacturing a light emitting module comprising: preparing a light emitter and a light-transmissive light guide plate, the light emitter comprising a light emitting element, the light guide plate having a first main surface serving as a light emitting surface from which light is emitted outside and a second main surface located opposite to the first main surface and having a concave portion, the concave portion comprising a side surface and a bottom surface that is smaller than an opening of the concave portion in a cross-sectional view; fixing the light emitter to the bottom surface of the concave portion via a bonding member; and forming a wiring at an electrode of the light emitting element.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Daisuke KASAI, Akira MIKI, Toru HASHIMOTO, Shinichi DAIKOKU
  • Publication number: 20210247053
    Abstract: A light emitting module includes: a light guide member including: an emission region defined by a sectioning groove, a light source placement part located in the emission region, and a light adjusting hole that, in a schematic top view, is located between the sectioning groove and the light source placement part; and a light source located in the light source placement part. A refractive index of an inside of the light adjusting hole is lower than a refractive index of the light guide member. In the schematic top view, the light adjusting hole is not positioned on a first straight line connecting a center of the light source and a farthest point in the sectioning groove, the farthest point being farthest from the center of the light source.
    Type: Application
    Filed: February 5, 2021
    Publication date: August 12, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Takuya NAKABAYASHI, Toru HASHIMOTO, Keiji EMURA