Patents by Inventor Kenji Ozeki

Kenji Ozeki 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: 20210020621
    Abstract: A light emitting device includes a substrate and a light emitting element mounted on the substrate, a light transmissive member, covering member, first and second protruding members, and a protective element. The light transmissive member is disposed on an upper surface of the light emitting element. The covering member covers an upper surface of the substrate, a lateral surface of the light emitting element, and at least a portion of a lateral surface of the light transmissive member such that an upper surface of the light transmissive member is exposed. The first protruding member and the second protruding member are provided on the substrate such that the light emitting element and the light transmissive member are positioned between the first protruding member and the second protruding member. The protective element is mounted on the substrate so as to be positioned between the light emitting element and the second protruding member.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 21, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Kenji OZEKI, Hiroki FUKUTA
  • Publication number: 20200357969
    Abstract: A method for manufacturing a light emitting device includes preparing a light transmissive member block including a first light transmissive member block having a plate like shape and including a resin containing at least one phosphor and a second light transmissive member block including a material harder than a material of the first light transmissive member block. Grooves are formed on an upper face of the second light transmissive member block. The light transmissive member block is divided at the grooves to obtain a plurality of light transmissive members each having a first light transmissive member and a second light transmissive member. A lower face of the first light transmissive member and an upper face of a light emitting element are bonded together such that a lower face perimeter of the first light transmissive member is located outside of an upper face perimeter of the light emitting element.
    Type: Application
    Filed: July 28, 2020
    Publication date: November 12, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Kenji OZEKI, Shimpei MAEDA
  • Publication number: 20200348007
    Abstract: A light emitting device includes a light emitting element, a light-transmissive member, a covering member, and a base member. The light-transmissive member has a flange on a lateral surface thereof in such a manner as to continue from a periphery of an upper surface to a periphery of a lower surface of the light-transmissive member and to be positioned outside the upper surface of the light-transmissive member and an upper surface of the light emitting element in plan view. The flange has a thin portion at an inner side than the outer edge side of the flange. The thin portion has a thickness smaller than a thickness of the outer edge side of the flange.
    Type: Application
    Filed: July 16, 2020
    Publication date: November 5, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Kenji OZEKI, Masami NISHI
  • Patent number: 10825803
    Abstract: A light emitting device includes a substrate, light emitting elements, light transmissive members, an underfill, and a cover member. The light emitting elements are mounted on the substrate. The light transmissive members are each disposed on an upper surface of each of the light emitting elements. The underfill covers an upper surface of the substrate, lateral surfaces of the light emitting elements, and lateral surfaces of the light transmissive members between the light transmissive members. The cover member covers an upper surface of the underfill and has a hardness greater than a hardness of the underfill.
    Type: Grant
    Filed: September 2, 2019
    Date of Patent: November 3, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Kenji Ozeki, Hiroki Fukuta
  • Publication number: 20200335669
    Abstract: A light emitting apparatus includes: an electrically insulating base member that has first and second sides extending in a width direction, and third and fourth sides extending in a length direction, wherein the third and fourth sides are longer than the first and second sides; a plurality of electrically conductive pattern portions; a plurality of light emitting devices mounted on the electrically conductive pattern portions, the light emitting devices being arrayed in the length direction; a protection element that is flip chip mounted on the electrically conductive pattern portions and located, in the plan view, between the light emitting devices and the third side of the base member in the width direction; a first resin part that has a frame shape; a second resin part that is located in the first resin part; and at least one transparent member located on the light emitting devices.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Tomonori MIYOSHI, Kenji OZEKI, Tomoaki TSURUHA
  • Publication number: 20200295242
    Abstract: A method of producing a light-emitting device includes: providing a package having an upper surface and a recess including an opening located at the upper surface; disposing a light-emitting element on a surface defining a bottom of the recess of the package; disposing an uncured sealing member in the recess of the package; and curing the uncured sealing member while applying a centrifugal force to the package in which the uncured sealing member are disposed, such that the centrifugal force is applied in a direction perpendicular to the upper surface and toward the surface defining the bottom of the recess.
    Type: Application
    Filed: March 13, 2020
    Publication date: September 17, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Kenji OZEKI, Atsushi KOJIMA, Chinami NAKAI
  • Patent number: 10763412
    Abstract: A light emitting device includes light emitting elements having light extraction faces, respectively. A light transmissive member includes a lower face facing the light extraction faces, an upper face opposite to the lower face in a height direction, and first to fourth side faces that are connected to the lower face and the upper face. An area of the lower face is larger than a sum of areas of the light extraction faces. An area of the upper face is smaller than the area of the lower face. The second side face is substantially parallel to the first side face. The third side face and the fourth side face are provided between the first side face and the second side face and opposite to each other. The third side face and the fourth side face approach as approaching from the lower face to the upper face in the height direction.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: September 1, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Kenji Ozeki, Shimpei Maeda
  • Patent number: 10753576
    Abstract: A light emitting device includes a light emitting element, a light-transmissive member, a covering member, and a base member. The light-transmissive member has a flange on a lateral surface thereof in such a manner as to continue from a periphery of an upper surface to a periphery of a lower surface of the light-transmissive member and to be positioned outside the upper surface of the light-transmissive member and an upper surface of the light emitting element in plan view. The flange has a thin portion at an inner side than the outer edge side of the flange. The thin portion has a thickness smaller than a thickness of the outer edge side of the flange.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: August 25, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Kenji Ozeki, Masami Nishi
  • Patent number: 10741729
    Abstract: A light emitting apparatus includes an electrically insulating base member; a first electrically conductive pattern portion and a second electrically conductive pattern portion formed on an upper surface of the base member; a plurality of intermediate electrically conductive pattern portions arranged between the first and second electrically conductive pattern portions; at least one light emitting device mounted on at least one of the intermediate electrically conductive pattern portions; a protection element mounted on the first and second electrically conductive pattern portions; and a resin portion disposed around the at least one light emitting device such that (i) the first and second electrically conductive pattern portions are partially covered by the resin portion and partially exposed from the resin portion, and (ii) the protection element is covered by the resin portion.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: August 11, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Tomonori Miyoshi, Kenji Ozeki, Tomoaki Tsuruha
  • Publication number: 20200212015
    Abstract: A light emitting device includes: a plurality of light emitting elements; a plurality of light transmissive members, each located on an upper surface of a respective one of the light emitting element; a mounting board on which the light emitting elements are disposed; a first cover member located on or above the mounting board, the first cover member comprising: a first reflective material containing layer disposed between the light emitting elements and containing a first reflective material, and a light transmissive layer disposed between the light transmissive members; and a second cover member disposed around the light emitting elements and comprising a second reflective material.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 2, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Kenji OZEKI, Atsushi KOJIMA, Chinami NAKAI
  • Publication number: 20200212277
    Abstract: A light emitting device includes: a substrate including a grooved part surrounding a first region; a light emitting element mounted in the first region; a first cover member comprising: a reflecting material-containing layer that is disposed in the groove of the grooved part and that contains a first reflecting material, and a light transmitting layer that covers at least a portion of lateral surfaces of the light emitting element; and a light transmitting member disposed on the first cover member and the light emitting element
    Type: Application
    Filed: December 24, 2019
    Publication date: July 2, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Kenji OZEKI, Atsushi KOJIMA, Chinami NAKAI
  • Publication number: 20200194627
    Abstract: A method for manufacturing a light emitting device includes: providing a substrate defining a mounting region having a wiring pattern on an upper face thereof; forming a plurality of bumps arranged in a plurality of columns extending parallel to each other with a distance between adjacent ones of the bumps in one of the columns arranged closest to an outer edge of the mounting region is larger than a distance between adjacent ones of the bumps arranged on an inner side in a plan view, and the bumps include first bumps and second bumps with the first bumps including first large bumps and first small bumps, with all the bumps in the one of the columns arranged closest to the outer edge are the same size; mounting the light emitting element onto the bumps in a flip-chip manner; and forming a cover member.
    Type: Application
    Filed: February 27, 2020
    Publication date: June 18, 2020
    Inventors: Kenji OZEKI, Akira GOTO
  • Publication number: 20200158314
    Abstract: A light emitting device is disclosed. The light emitting device includes a mounting board, one or more light emitting elements arranged on the mounting board, a frame disposed to surround the one or more light emitting elements, and a light transmissive member encapsulating an area surrounded by the frame. The frame has an inner perimeter that includes at least a pair of opposing sides and four acute-angled portions each provided at each end of the pair of opposing sides, in a plan view.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Tomonori MIYOSHI, Kenji OZEKI
  • Patent number: 10651350
    Abstract: A light emitting device includes a light emitting element; a light-transmissive member that has a lower surface positioned inside a peripheral edge of an upper surface of the light emitting element in plan view, a first lateral surface extending from the lower surface and having at least one inclined surface that is inclined with respect to the upper surface of the light emitting element, and a second lateral surface positioned above and outside the first lateral surface; a light-transmissive adhesive member positioned inside the second lateral surface in plan view, wherein the adhesive member adheres the upper surface of the light emitting element and the lower surface of the light-transmissive member to each other and covers the first lateral surface; and a light-reflective member covering the second lateral surface.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: May 12, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Tomonori Miyoshi, Kenji Ozeki
  • Patent number: 10644208
    Abstract: A method of manufacturing a light emitting device includes: bonding a wavelength conversion member on an upper face of a light emitting element while disposing a first light guide member to extend from a lateral face of the light emitting element to a lower face of the wavelength conversion member, the lower face of the wavelength conversion member having a larger area than the upper face of the light emitting element; and bonding a light transmissive member on an upper face of the wavelength conversion member while disposing a second light guide member to extend from the upper face of the wavelength conversion member to a lateral face of the light transmissive member, a lower face of the light transmissive member having a smaller area than the upper face of the wavelength conversion member.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: May 5, 2020
    Assignee: NICHIA CORPORATION
    Inventor: Kenji Ozeki
  • Publication number: 20200135966
    Abstract: A method of manufacturing a light-emitting device includes providing a package having an upper surface and defining a recess, the recess having an opening at the upper surface. A light-emitting element is placed on a bottom surface of the recess of the package, and the recess of the package is filled with an uncured sealing member containing a silicone resin. The package is held in a liquid in a state in which the uncured sealing member is filled in the recess of the package, and the uncured sealing member is cured by heating the package in which the uncured sealing member is filled in the recess.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 30, 2020
    Inventors: Kenji OZEKI, Chinami NAKAI
  • Patent number: 10615310
    Abstract: A light emitting device includes a substrate, a light emitting element, and a plurality of bumps. The light emitting element is mounted on the substrate. The bumps connect the substrate and the light emitting element. The bumps are arranged in a plurality of columns extending parallel to one side of an outer edge of the light emitting element. A distance between adjacent ones of the bumps in one of the columns arranged closest to the outer edge of the light emitting element is larger than a distance between adjacent ones of the bumps arranged on an inner side of the light emitting element in a plan view.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: April 7, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Kenji Ozeki, Akira Goto
  • Publication number: 20200105974
    Abstract: A light-emitting device includes: a mounting board; at least one light-emitting element located on or above the mounting board; a first covering member comprising, in order from an upper surface of the mounting board: a containing layer comprising a light-absorbing material, and a light-transmissive layer; and a second covering member over the first covering member and the light-emitting element. A thickness of the containing layer is less than a thickness of the light-emitting element.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Kenji OZEKI, Atsushi KOJIMA, Chinami NAKAI, Yoshio ICHIHARA
  • Patent number: 10578279
    Abstract: A light emitting device is disclosed. The light emitting device includes a mounting board, one or more light emitting elements arranged on the mounting board, a frame disposed to surround the one or more light emitting elements, and a light transmissive member encapsulating an area surrounded by the frame. The frame has an inner perimeter that includes at least a pair of opposing sides and four acute-angled portions each provided at each end of the pair of opposing sides, in a plan view.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: March 3, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Tomonori Miyoshi, Kenji Ozeki
  • Patent number: 10546982
    Abstract: A light emitting device includes: a light emitting element, a wavelength conversion member disposed on an upper face of the light emitting element and having a lower face that has a larger area than the upper face of the light emitting element, a first light guide member extending from a lateral face of the light emitting element to the lower face of the wavelength conversion member, a light transmissive member disposed on an upper face of the wavelength conversion member and having a lower face that has a smaller area than the upper face of the wavelength conversion member, and a second light guide member extending from the upper face of the wavelength conversion member to a lateral face of the light transmissive member.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: January 28, 2020
    Assignee: NICHIA CORPORATION
    Inventor: Kenji Ozeki