Patents by Inventor Tomoya Tsukioka

Tomoya Tsukioka 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: 9034671
    Abstract: Disclosed is a light-emitting device comprising a light-emitting element (10) composed of a gallium nitride compound semiconductor having an emission peak wavelength of not less than 430 nm; a molded body (40) provided with a recessed portion having a bottom surface on which the light-emitting element (10) is mounted and a lateral surface; and a sealing member (50) containing an epoxy resin including a triazine derivative epoxy resin, or a silicon-containing resin. The molded body (40) is obtained by using a cured product of a thermosetting epoxy resin composition essentially containing an epoxy resin including a triazine derivative epoxy resin, and has a reflectance of not less than 70% at the wavelengths of not less than 430 nm.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: May 19, 2015
    Assignee: NICHIA CORPORATION
    Inventors: Masafumi Kuramoto, Tomohide Miki, Tomoya Tsukioka, Tomohisa Kishimoto
  • Publication number: 20140315338
    Abstract: Disclosed is a light-emitting device comprising a light-emitting element (10) composed of a gallium nitride compound semiconductor having an emission peak wavelength of not less than 430 nm; a molded body (40) provided with a recessed portion having a bottom surface on which the light-emitting element (10) is mounted and a lateral surface; and a sealing member (50) containing an epoxy resin including a triazine derivative epoxy resin, or a silicon-containing resin. The molded body (40) is obtained by using a cured product of a thermosetting epoxy resin composition essentially containing an epoxy resin including a triazine derivative epoxy resin, and has a reflectance of not less than 70% at the wavelengths of not less than 430 nm.
    Type: Application
    Filed: July 1, 2014
    Publication date: October 23, 2014
    Inventors: Masafumi KURAMOTO, Tomohide MIKI, Tomoya TSUKIOKA, Tomohisa KISHIMOTO
  • Patent number: 8803159
    Abstract: Disclosed is a light-emitting device comprising a light-emitting element (10) composed of a gallium nitride compound semiconductor having an emission peak wavelength of not less than 430 nm; a molded body (40) provided with a recessed portion having a bottom surface on which the light-emitting element (10) is mounted and a lateral surface; and a sealing member (50) containing an epoxy resin including a triazine derivative epoxy resin, or a silicon-containing resin. The molded body (40) is obtained by using a cured product of a thermosetting epoxy resin composition essentially containing an epoxy resin including a triazine derivative epoxy resin, and has a reflectance of not less than 70% at the wavelengths of not less than 430 nm.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: August 12, 2014
    Assignee: Nichia Corporation
    Inventors: Masafumi Kuramoto, Tomohide Miki, Tomoya Tsukioka, Tomohisa Kishimoto
  • Publication number: 20140027780
    Abstract: Disclosed is a light-emitting device comprising a light-emitting element (10) composed of a gallium nitride compound semiconductor having an emission peak wavelength of not less than 430 nm; a molded body (40) provided with a recessed portion having a bottom surface on which the light-emitting element (10) is mounted and a lateral surface; and a sealing member (50) containing an epoxy resin including a triazine derivative epoxy resin, or a silicon-containing resin. The molded body (40) is obtained by using a cured product of a thermosetting epoxy resin composition essentially containing an epoxy resin including a triazine derivative epoxy resin, and has a reflectance of not less than 70% at the wavelengths of not less than 430 nm.
    Type: Application
    Filed: October 2, 2013
    Publication date: January 30, 2014
    Applicant: NICHIA CORPORATION
    Inventors: Masafumi KURAMOTO, Tomohide MIKI, Tomoya TSUKIOKA, Tomohisa KISHIMOTO
  • Patent number: 8614544
    Abstract: A light emitting device comprises a rectangular element mounted upon a mounting substrate via a heat-melted connecting material, wherein second substrate electrodes are formed conforming to the recesses of a first substrate electrode and a portion of the outer periphery of the first and second substrate electrodes is provided with first extended sections that extend farther outward than the outer periphery of the aforementioned element. The aforementioned first extended sections are formed in at least one or more locations per one side of the outer periphery of the aforementioned rectangular element; the aforementioned first substrate electrode is provided with second extended sections that are formed on at least one of both ends of the aforementioned recesses flanking the first extended sections of the aforementioned second substrate electrodes; and the aforementioned second extended sections extend farther outward than the outer periphery of the aforementioned element.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: December 24, 2013
    Assignee: Nichia Corporation
    Inventors: Ryo Suzuki, Tadao Hayashi, Tomoya Tsukioka, Yoshikazu Takeuchi
  • Patent number: 8575632
    Abstract: Disclosed is a light-emitting device comprising a light-emitting element (10) composed of a gallium nitride compound semiconductor having an emission peak wavelength of not less than 430 nm; a molded body (40) provided with a recessed portion having a bottom surface on which the light-emitting element (10) is mounted and a lateral surface; and a sealing member (50) containing an epoxy resin including a triazine derivative epoxy resin, or a silicon-containing resin. The molded body (40) is obtained by using a cured product of a thermosetting epoxy resin composition essentially containing an epoxy resin including a triazine derivative epoxy resin, and has a reflectance of not less than 70% at the wavelengths of not less than 430 nm.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: November 5, 2013
    Assignee: Nichia Corporation
    Inventors: Masafumi Kuramoto, Tomohide Miki, Tomoya Tsukioka, Tomohisa Kishimoto
  • Patent number: 8426879
    Abstract: An object of the present invention is to provide a light emitting device that shows high adhesion between a sealing member and a package member. A light emitting device 100 of the present invention comprises a package 20 with a recess 60 having a bottom face 20a and a side wall 20b, a light emitting element 10 mounted on the bottom face 20a of the recess 60 of the package 20, and a sealing member 40 filled in the recess 60 of the package 20, with which the light emitting element 10 is coated, wherein the package 20 contains, against the entire monomer component, from 5 to 70% by weight of potassium titanate fibers and/or wollastonite, from 10 to 50% by weight of titanium oxide, and from 15 to 85% by weight of a semiaromatic polyamide containing 20 mol % or more of an aromatic monomer, a part of the side wall 20b of the recess 60 of the package 20 has a thickness of 100 ?m or less, and the sealing member 40 is made of silicone.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: April 23, 2013
    Assignee: Nichia Corporation
    Inventors: Motohisa Kitani, Hirofumi Ichikawa, Tomoya Tsukioka, Tomohide Miki, Masafumi Kuramoto
  • Publication number: 20120112622
    Abstract: Disclosed is a light emitting device (1) comprising a rectangular element (10) mounted upon a mounting substrate (20) via a heat-melted connecting material, wherein second substrate electrodes (3) are formed conforming to the recesses (2c) of a first substrate electrode (2) and a portion of the outer periphery of the first and second substrate electrodes (2,3) is provided with first extended sections (2b) that extend farther outward than the outer periphery (gs) of the aforementioned element (10).
    Type: Application
    Filed: May 28, 2010
    Publication date: May 10, 2012
    Inventors: Ryo Suzuki, Tadao Hayashi, Tomoya Tsukioka, Yoshikazu Takeuchi
  • Publication number: 20090134411
    Abstract: An object of the present invention is to provide a light emitting device that shows high adhesion between a sealing member and a package member. A light emitting device 100 of the present invention comprises a package 20 with a recess 60 having a bottom face 20a and a side wall 20b, a light emitting element 10 mounted on the bottom face 20a of the recess 60 of the package 20, and a sealing member 40 filled in the recess 60 of the package 20, with which the light emitting element 10 is coated, wherein the package 20 contains, against the entire monomer component, from 5 to 70% by weight of potassium titanate fibers and/or wollastonite, from 10 to 50% by weight of titanium oxide, and from 15 to 85% by weight of a semiaromatic polyamide containing 20 mol % or more of an aromatic monomer, a part of the side wall 20b of the recess 60 of the package 20 has a thickness of 100 ?m or less, and the sealing member 40 is made of silicone.
    Type: Application
    Filed: September 29, 2006
    Publication date: May 28, 2009
    Applicant: NICHIA CORPORATION
    Inventors: Motohisa Kitani, Hirofumi Ichikawa, Tomoya Tsukioka, Tomohide Miki, Masafumi Kuramoto
  • Patent number: 7527991
    Abstract: In a light emitting apparatus comprising a light emitting device, a fluorescent substance capable of absorbing at least a portion of light emitted by the light emitting device and emitting light having a different wavelength, and a color converting member which contains the fluorescent substance and directly coat the light emitting device, the color converting member contains at least an epoxy resin derived from triazine and a mixing ratio of the epoxy resin derived from triazine to the acid anhydride curing agent in the color converting member is from 100:80 to 100:240.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: May 5, 2009
    Assignee: Nichia Corporation
    Inventors: Masanobu Sato, Tomoya Tsukioka, Masafumi Kuramoto
  • Publication number: 20050227393
    Abstract: In a light emitting apparatus comprising a light emitting device, a fluorescent substance capable of absorbing at least a portion of light emitted by the light emitting device and emitting light having a different wavelength, and a color converting member which contains the fluorescent substance and directly coat the light emitting device, the color converting member contains at least an epoxy resin derived from triazine and a mixing ratio of the epoxy resin derived from triazine to the acid anhydride curing agent in the color converting member is from 100:80 to 100:240.
    Type: Application
    Filed: May 20, 2005
    Publication date: October 13, 2005
    Applicant: NICHIA CORPORATION
    Inventors: Masanobu Sato, Tomoya Tsukioka, Masafumi Kuramoto
  • Patent number: 6924596
    Abstract: In a light emitting apparatus comprising a light emitting device, a fluorescent substance capable of absorbing at least a portion of light emitted by the light emitting device and emitting light having a different wavelength, and a color converting member which contains the fluorescent substance and directly coat the light emitting device, the color converting member contains at least an epoxy resin derived from triazine and a mixing ratio of the epoxy resin derived from triazine to the acid anhydride curing agent in the color converting member is from 100:80 to 100:240.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: August 2, 2005
    Assignee: Nichia Corporation
    Inventors: Masanobu Sato, Tomoya Tsukioka, Masafumi Kuramoto
  • Publication number: 20030132701
    Abstract: In a light emitting apparatus comprising a light emitting device, a fluorescent substance capable of absorbing at least a portion of light emitted by the light emitting device and emitting light having a different wavelength, and a color converting member which contains the fluorescent substance and directly coat the light emitting device, the color converting member contains at least an epoxy resin derived from triazine and a mixing ratio of the epoxy resin derived from triazine to the acid anhydride curing agent in the color converting member is from 100:80 to 100:240.
    Type: Application
    Filed: October 31, 2002
    Publication date: July 17, 2003
    Applicant: NICHIA CORPORATION
    Inventors: Masanobu Sato, Tomoya Tsukioka, Masafumi Kuramoto