Patents by Inventor Hisataka Ito

Hisataka Ito 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: 20120220059
    Abstract: A method for producing a light-emitting diode device includes the steps of: preparing a light-emitting laminate including an optical semiconductor layer, and an electrode unit formed on the optical semiconductor layer; forming an encapsulating resin layer on the optical semiconductor layer so as to cover the electrode unit, the encapsulating resin layer containing a light reflection component; partially removing the encapsulating resin layer so as to expose the top face of the electrode unit, thereby producing a light-emitting diode element; and disposing the light-emitting diode element and a base substrate provided with terminals so that the light-emitting diode element and the base substrate face each other, and that the electrode unit and the terminals are electrically connected, thereby flip chip mounting the light-emitting diode element on the base substrate.
    Type: Application
    Filed: February 23, 2012
    Publication date: August 30, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hisataka ITO, Yasushi INOUE, Sadahito MISUMI
  • Publication number: 20120160412
    Abstract: A sealing member includes an elongated releasing film, and a plurality of sealing resin layers composed of a sealing resin, the plurality of sealing resin layers being laminated on the releasing film so that the plurality of sealing resin layers are arranged in a row along the longitudinal direction of the releasing film with a space provided therebetween.
    Type: Application
    Filed: December 20, 2011
    Publication date: June 28, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Hisataka ITO, Yuki SHINBORI, Satoshi SATO
  • Publication number: 20120083056
    Abstract: A light emitting diode sealing member includes a light emitting diode sealing layer, and a lens mold layer laminated on the light emitting diode sealing layer.
    Type: Application
    Filed: September 29, 2011
    Publication date: April 5, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yuki SHINBORI, Yasunari OOYABU, Satoshi SATO, Hisataka ITO
  • Publication number: 20120039064
    Abstract: A light-emitting device includes a circuit board to which external electric power is supplied; a light emitting diode that is electrically connected onto the circuit board and emits light based on electric power from the circuit board; a housing provided on the circuit board so as to surround the light emitting diode and so that the upper end portion of the housing is positioned above the upper end portion of the light emitting diode; an adhesive layer that is provided on the housing, the adhesive layer being provided entirely in the circumferential direction of the housing, and the adhesive layer having a length from the inner circumferential edge to the outer circumferential edge of mainly 0.3 mm or more and a thickness of 200 ?m or less; and a phosphor ceramic that is allowed to adhere onto the housing with the adhesive layer interposed therebetween.
    Type: Application
    Filed: August 10, 2011
    Publication date: February 16, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Toshitaka NAKAMURA, Hironaka FUJII, Hisataka ITO
  • Publication number: 20120032219
    Abstract: A light-emitting device includes a circuit board to which external electric power is supplied, a light emitting diode that is electrically connected onto the circuit board and emits light based on electric power from the circuit board, a housing provided on the circuit board so as to surround the light emitting diode and so that the upper end portion of the housing is positioned above the upper end portion of the light emitting diode, and a fluorescent laminate provided on the housing. The fluorescent laminate includes a first fluorescent layer that emits fluorescent light and a second fluorescent layer that emits fluorescent light having a wavelength that is longer than that of the first fluorescent layer. The second fluorescent layer is disposed on the housing and the first fluorescent layer is laminated on the second fluorescent layer.
    Type: Application
    Filed: July 28, 2011
    Publication date: February 9, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Toshitaka NAKAMURA, Hironaka FUJII, Hisataka ITO
  • Publication number: 20120028375
    Abstract: The present invention relates to a method for inspecting a light-emitting device, the method including performing a light emission test of (A) a light-emitting device including a lead frame having mounted and packaged thereon a plurality of light-emitting elements or (B) a light-emitting device obtained by resin encapsulating and packaging the light-emitting device (A), by applying a current to the plurality of light-emitting elements and judging each light-emitting element as passed or failed, in which arrangement of the plurality of light-emitting elements in the light-emitting device is set as in the following (?): (?) In a lead frame having a lattice form including a plurality of rows and a plurality of columns with a plurality of intersection points formed thereby, a plurality of light-emitting elements are disposed between the adjacent intersection points in each row, the adjacent light-emitting elements in each row are connected to each other so that positive electrode terminals or negative electrode t
    Type: Application
    Filed: July 26, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Satoshi SATO, Hisataka ITO, Yasunari OOYABU
  • Publication number: 20120025247
    Abstract: A component for a light-emitting device includes a sealing resin layer that is capable of sealing in a light emitting diode, a fluorescent layer that is formed on one face of the sealing resin layer and is capable of emitting fluorescent light, and a reflection layer that is provided on the other face of the sealing resin layer so as to avoid a region where the sealing resin layer seals in the light emitting diode and is capable of reflecting the light.
    Type: Application
    Filed: July 13, 2011
    Publication date: February 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Toshitaka NAKAMURA, Hironaka FUJII, Hisataka ITO
  • Publication number: 20120014088
    Abstract: A component for a light-emitting device includes a fluorescent layer capable of emitting fluorescent light, and a lens connected onto the fluorescent layer.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 19, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Hironaka FUJII, Toshitaka NAKAMURA, Hisataka ITO
  • Publication number: 20120012875
    Abstract: A component for a light-emitting device includes a fluorescent layer that is capable of emitting fluorescent light and a housing that is connected to the fluorescent layer for housing a light-emitting diode.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 19, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Hironaka FUJII, Toshitaka NAKAMURA, Hisataka ITO
  • Publication number: 20120015463
    Abstract: The present invention relates to a method for manufacturing a light-emitting device, the method including applying resin encapsulation to a lead frame having mounted and packaged thereon a plurality of light-emitting elements, in which the following lead frame portion (A) is used as the lead frame portion: (A) a lead frame portion that is obtained by cutting and separating a lead frame, in which the lead frame has a lattice form including a plurality of rows and a plurality of columns with a plurality of intersection points formed thereby and has a plurality of light-emitting elements disposed and packaged between the adjacent intersection points in each row, into individual column to produce a lead frame portion for each column, and that is passed a light emission test performed by flowing a current to the lead frame portion.
    Type: Application
    Filed: July 14, 2011
    Publication date: January 19, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OYABU, Hisataka ITO, Satoshi SATO
  • Publication number: 20120001214
    Abstract: A phosphor ceramic includes at least one fluorescent layer that is capable of emitting fluorescent light; and at least one non-fluorescent layer that does not emit fluorescent light and is laminated onto the fluorescent layer.
    Type: Application
    Filed: June 23, 2011
    Publication date: January 5, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Toshitaka NAKAMURA, Hironaka FUJII, Hisataka ITO
  • Publication number: 20110316031
    Abstract: A transfer sheet for a phosphor layer includes a release substrate, a phosphor layer formed on the release substrate, and an adhesive layer formed on the phosphor layer.
    Type: Application
    Filed: June 23, 2011
    Publication date: December 29, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Satoshi SATO, Hisataka ITO
  • Publication number: 20110316032
    Abstract: A phosphor layer is composed of a resin in which phosphor particles and light scattering particles are dispersed.
    Type: Application
    Filed: June 23, 2011
    Publication date: December 29, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yasunari OOYABU, Satoshi Sato, Yuki SHINBORI, Shinya OTA, Hisataka ITO
  • Publication number: 20110309384
    Abstract: The present invention relates to a semiconductor light emitting device including: a substrate for element mounting; a wiring provided on the substrate; an LED element provided on the substrate and electrically connected to the wiring; an encapsulating resin layer for encapsulating the LED element; and a wavelength conversion layer which contains a phosphor material and converts a wavelength of light emitted by the LED element, in which the wavelength conversion layer is provided on an upper side of the LED element, and a diffusive reflection resin layer is provided in a state that side faces of the LED element are surrounded therewith, and an area at the LED element face side of the wavelength conversion layer is at least twice larger by area ratio than an area of light emitting area on an upper surface of the LED element.
    Type: Application
    Filed: June 21, 2011
    Publication date: December 22, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hisataka ITO, Toshitaka NAKAMURA, Hironaka FUJII
  • Publication number: 20110309398
    Abstract: The present invention relates to a composite film including a wavelength conversion layer and a diffusive reflection resin layer in a laminated state and being used in a semiconductor light emitting device, in which the wavelength conversion layer contains a phosphor material which absorbs a part or all of excitation light and is excited to emit visible light in a wavelength region longer than a wavelength of the excitation light, the diffusive reflection resin layer is selectively formed with patterning on one surface of the wavelength conversion layer, and a region on the one surface of the wavelength conversion layer where the diffusive reflection resin layer is not formed with patterning is a path of the excitation light which excites the phosphor material in the wavelength conversion layer.
    Type: Application
    Filed: June 21, 2011
    Publication date: December 22, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hisataka ITO, Toshitaka NAKAMURA, Hironaka FUJII
  • Patent number: 8017670
    Abstract: The present invention relates to an epoxy resin composition for optical-semiconductor encapsulation which comprises the following ingredients (A) to (C): (A) an epoxy resin; (B) a curing agent; and (C) a naphthalocyanine colorant. The epoxy resin composition of the invention transmits visible rays and shields near infrared rays while retaining properties inherent in the epoxy resin.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: September 13, 2011
    Assignee: Nitto Denko Corporation
    Inventors: Hisataka Ito, Shinya Ota, Kazuhiro Fuke, Shinjiro Uenishi
  • Patent number: 7986050
    Abstract: The present invention relates to an epoxy resin composition for optical semiconductor element encapsulation, the epoxy resin composition including following components (A) to (C): (A) an epoxy resin represented by the following structural formula (1): in which n is a positive number, (B) an epoxy resin except for the epoxy resin represented by the structural formula (1), and (C) a curing agent.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: July 26, 2011
    Assignee: Nitto Denko Corporation
    Inventors: Shinya Ota, Kazuhiro Fuke, Chisato Goto, Hisataka Ito, Takashi Taniguchi, Kazuhiko Yoshida, Masao Gunji, Seigou Takuwa
  • Publication number: 20110057228
    Abstract: The present invention relates to a resin composition for forming an insulating resin layer for optical semiconductor element housing package having a concave portion in which a metal lead frame and an optical semiconductor element mounted thereon are housed, in which the resin composition includes the following ingredients (A) to (D), and the ingredients (C) and (D) are contained in a blend ratio (C)/(D) of 0.3 to 3.0 as a weight ratio thereof: (A) an epoxy resin; (B) an acid anhydride curing agent; (C) a white pigment; and (D) an inorganic filler.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takashi TANIGUCHI, Takamitsu OTA, Hisataka ITO
  • Publication number: 20110058776
    Abstract: The present invention relates to a resin composition for optical semiconductor devices, the resin composition including the following ingredients (A) to (D): (A) an epoxy resin; (B) a curing agent; (C) a polyorganosiloxane; and (D) a white pigment.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Applicant: NTTO DENKO CORPORATION
    Inventors: Takashi TANIGUCHI, Kazuhiro FUKE, Hiroshi NORO, Hisataka ITO
  • Publication number: 20100292358
    Abstract: The present invention relates to a resin composition for optical components, the resin composition being an ultraviolet-curable transparent resin composition to be used as a material for an optical component, in which the resin component includes the following component (A) as a main component and the following component (B) being a photo-cationic polymerization initiator: (A) an epoxy resin having two or more epoxy groups in one molecule thereof; and (B) an onium salt containing a hexafluorophosphate ion as an anion component.
    Type: Application
    Filed: May 13, 2010
    Publication date: November 18, 2010
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hiroshi NORO, Akiko NAKAHASHI, Hisataka ITO