Patents by Inventor Tsuyoshi Oyaizu

Tsuyoshi Oyaizu 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: 8403536
    Abstract: A light-emitting module includes a substrate, a wiring pattern, and a light-emitting device that generates heat. The substrate includes a metal base and an insulating base that is stacked on the metal base and has a mount surface on the opposite side of the metal base. The insulating base has a plurality of insulating layers stacked on one another. The wiring pattern is provided on the mount surface of the substrate. The light-emitting device is mounted on the mount surface of the substrate and is electrically connected to the wiring pattern.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: March 26, 2013
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Tsuyoshi Oyaizu, Seiko Kawashima, Haruki Takei, Naoko Matsui
  • Patent number: 8360606
    Abstract: According to one embodiment, a light-emitting device includes a ceramic substrate, a plurality of light-emitting elements, and pressure member. The substrate includes a first surface in contact with a thermally radiative member, a second surface positioned in a side opposite to the first surface, and an outer circumferential surface which bridges outer circumferential edges of the first surface and the second surface. The light-emitting elements are mounted on the second surface of the substrate. The pressure member elastically press the substrate toward the thermally radiative member. A gap is provided between the pressure member and the outer circumferential surface of the substrate.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: January 29, 2013
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Haruki Takei, Seiko Kawashima, Tsuyoshi Oyaizu, Yasunori Yamaguchi
  • Publication number: 20120305963
    Abstract: According to one embodiment, a light-emitting device includes a substrate, a reflecting layer formed on the substrate, a light-emitting element placed on the reflecting layer, and a sealing resin layer that covers the reflecting layer and the light-emitting element. The oxygen permeability of the sealing resin layer is equal to or lower than 1200 cm3/(m2·day·atm), and the ratio of the area of the reflecting layer covered by the sealing resin layer to the entire area on the resin substrate covered by the sealing resin layer is between 30% and 75% inclusive.
    Type: Application
    Filed: March 7, 2012
    Publication date: December 6, 2012
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Kozo UEMURA, Soichi Shibusawa, Yumiko Hayashida, Kiyoshi Nishimura, Seiko Kawashima, Tsuyoshi Oyaizu, Masahiro Ogata, Shuhei Matsuda, Hiroki Tamai
  • Publication number: 20120300430
    Abstract: According to one embodiment, a light-emitting module includes a light-transmissive substrate, an LED chip arranged on one surface of the light-transmissive substrate, and a phosphor layer surrounding the LED chip. The phosphor layer includes a first phosphor layer covering one surface of the LED chip and a second phosphor layer covering the other surface side of the light-transmissive substrate and being continuous with the first phosphor layer.
    Type: Application
    Filed: March 15, 2012
    Publication date: November 29, 2012
    Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Seiko KAWASHIMA, Tsuyoshi OYAIZU, Nobuhiko BETSUDA, Miho WATANABE
  • Patent number: 8197099
    Abstract: The invention provides an electronic component mounting module capable of increasing the adhesion between the board and the heat radiating member, improving the thermal conductivity, and effectively radiating heat generated from the LEDs being an electronic component. The LEDs are mounted on the surface of the ceramics board, and the rear surface 1b side of the board is disposed at the heat radiating member. A metallic fine particle layer having high thermal conductivity and flexibility is made to intervene between the board and the heat radiating member.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: June 12, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Tsuyoshi Oyaizu, Seiko Kawashima, Haruki Takei, Naoko Matsui
  • Publication number: 20120139818
    Abstract: A display panel includes a face plate having a transparent substrate, a plurality of phosphor layers disposed on the transparent substrate for emitting different color lights, and a plurality of transmittance adjustment layers interposed between the transparent substrate and the plurality of phosphor layers. Each transmittance adjustment layer corresponds to each phosphor layer for adjusting the transmittances of the lights emitted from the plurality of phosphor layers, and the transmittance adjustment layers have a filtering function with an approximately constant transmittance in the visible light wavelength region. In addition, a rear plate has a plurality of display elements each corresponding to each phosphor layer, wherein the face plate and the rear plate are disposed so that the phosphor layers formed on the face plate are opposite to the display elements formed on the rear plate.
    Type: Application
    Filed: February 13, 2012
    Publication date: June 7, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tsuyoshi Oyaizu, Hisafumi Ebisawa, Yukio Okudo
  • Patent number: 8144080
    Abstract: A face panel for a color image display apparatus includes a transparent substrate, a plurality of phosphor layers disposed on the transparent substrate for emitting different color lights, and a plurality of transmittance adjustment layers interposed between the transparent substrate and the plurality of phosphor layers in correspondence to the plurality of phosphor layers, respectively, for adjusting the transmittances of the lights emitted from the plurality of phosphor layers. The transmittance adjustment layer has a filtering function having an approximately constant transmittance in the visible light wavelength region, and the transmittances of the plurality of transmittance adjustment layers are set to different values to the respective colors of the phosphor layers corresponding thereto.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: March 27, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Oyaizu, Hisafumi Ebisawa, Yukio Okudo
  • Publication number: 20120026738
    Abstract: According to one embodiment, a light-emitting apparatus includes a substrate, an attachment member, and a mechanical fixing component. The substrate has light-emitting elements mounted on one surface side thereof. The attachment member includes a concave portion in which the substrate is arranged with a gap between the substrate and a side circumference of the concave portion. The mechanical fixing component includes a pressure portion that is in contact with the one surface side of the substrate, the mechanical fixing component being configured to hold the substrate in the concave portion of the attachment member by elastic pressing force of the pressure portion acting in a direction from the one surface side toward the other surface side of the substrate.
    Type: Application
    Filed: July 28, 2011
    Publication date: February 2, 2012
    Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Tsuyoshi Oyaizu, Haruki Takei, Seiko Kawashima
  • Publication number: 20110317416
    Abstract: According to one embodiment, a light-emitting module includes a module substrate, a first wiring pattern provided on the module substrate and including a common wire connecting portion, a second wiring pattern provided on the module substrate and including a first wire connecting portion, a second wire connecting portion, and a middle pattern portion, a first light-emitting element group arranged between the common wire connecting portion and the first wire connecting portion and including semiconductor light-emitting elements connected in series and being electrically connected to the common wire connecting portion and the first wire connecting portion, and a second light-emitting element group arranged between the common wire connecting portion and the second wire connecting portion and including semiconductor light-emitting elements connected in series and being electrically connected to the common wire connecting portion and the second wire connecting portion.
    Type: Application
    Filed: June 27, 2011
    Publication date: December 29, 2011
    Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Tsuyoshi Oyaizu, Haruki Takei, Akiko Saito, Seiko Kawashima
  • Publication number: 20110310609
    Abstract: According to one embodiment, a light emitting device includes: a substrate a back face side of which is disposed on a mounting member; a plurality of light emitting elements mounted on a surface side of the substrate; and a power supply terminal provided on the surface side of the substrate and electrically connected to the light emitting elements. The power supply terminal is connected to electrical connecting units by elastic pressing force directed from the surface side of the substrate to the mounting member side. A mechanical fixing unit has a pressing portion brought into contact with the surface side of the substrate. The mechanical fixing units fix the substrate to the mounting member with use of elastic pressing force of the pressing portions directed from the surface side of the substrate to the mounting member side.
    Type: Application
    Filed: June 17, 2011
    Publication date: December 22, 2011
    Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Seiko KAWASHIMA, Yuichiro Takahara, Kazuya Kondo, Yusuke Shibahara, Hiroki Tamai, Haruki Takei, Tsuyoshi Oyaizu
  • Publication number: 20110278632
    Abstract: According to one embodiment, a light emitting device includes a substrate, a light emitting element and connectors. The substrate has a surface and a back face, and power supply terminals are formed on the surface. The light emitting element is mounted on the surface of the substrate. The connector includes a contact portion coming into contact with, the power supply terminal on the surface side of the substrate and a connector terminal having a wire connection portion projecting on the back face side of the substrate, and a power supply wire is connected to the wire connection portion of the connector terminal.
    Type: Application
    Filed: May 11, 2011
    Publication date: November 17, 2011
    Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Haruki Takei, Seiko Kawashima, Masahiro Izumi, Akiko Saito, Yusuke Shibahara, Tsuyoshi Oyaizu
  • Patent number: 8044570
    Abstract: A lighting device includes a printed wiring board, a plurality of light-emitting elements, a sealing member, and a color conversion unit, and an adhesive layer. The sealing member has light transmitting properties and seals the light-emitting elements mounted on the printed wiring board. The color conversion unit includes a cover member of light transmitting properties, and a fluorescent substance layer provided on the inner surface of the cover member. The adhesive layer has light-transmitting properties, and adheres the sealing member to the fluorescent substance layer of the color conversion unit in an airtight manner.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: October 25, 2011
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Tsuyoshi Oyaizu, Kozo Ogawa, Seiko Kawashima, Akiko Takahashi, Haruki Takei, Erika Takenaka
  • Publication number: 20110199021
    Abstract: According to one embodiment, a light-emitting device includes a substrate including an insulating surface, a plurality of light-emitting elements mounted on the surface of the substrate and electrically connected to each other, a positive power feeding conductor and a negative power feeding conductor mounted on the surface of the substrate to feed power to the light-emitting elements, lead-out terminals leading from the power feeding conductors, to the outside of an mounting area of the light-emitting elements, and an anti-noise part connected to the lead-out terminals and arranged outside the mounting area.
    Type: Application
    Filed: February 15, 2011
    Publication date: August 18, 2011
    Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Tsuyoshi Oyaizu, Seiko Kawashima, Haruki Takei, Akiko Saito
  • Patent number: D658600
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 1, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuo Egawa, Yuichiro Takahara, Seiko Kawashima, Akiko Saito, Tsuyoshi Oyaizu, Takeshi Arimura
  • Patent number: D658601
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 1, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuo Egawa, Yuichiro Takahara, Seiko Kawashima, Akiko Saito, Tsuyoshi Oyaizu, Takeshi Arimura
  • Patent number: D658602
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 1, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuo Egawa, Yuichiro Takahara, Seiko Kawashima, Akiko Saito, Tsuyoshi Oyaizu, Takeshi Arimura
  • Patent number: D658603
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 1, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuo Egawa, Yuichiro Takahara, Seiko Kawashima, Akiko Saito, Tsuyoshi Oyaizu, Takeshi Arimura
  • Patent number: D658604
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 1, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuo Egawa, Yuichiro Takahara, Seiko Kawashima, Akiko Saito, Tsuyoshi Oyaizu, Takeshi Arimura
  • Patent number: D658605
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 1, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuo Egawa, Yuichiro Takahara, Seiko Kawashima, Akiko Saito, Tsuyoshi Oyaizu, Takeshi Arimura
  • Patent number: D665519
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: August 14, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Tsuyoshi Oyaizu