Patents by Inventor Toshio Moriguchi

Toshio Moriguchi 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: 20100264842
    Abstract: A device for emitting various colors by mixing light from a first light emitting diode and light from a second light emitting diode comprises, according to one embodiment: the first light emitting diode including an LED chip comprising InGaN and being capable of emitting a blue color light, and a phosphor capable of absorbing a part of the blue color light and emitting a yellow color light, the blue color light and the yellow color light being mixed to make white-color light; the second light emitting diode being capable of emitting red, green or blue color light; and a drive circuit for separately driving each of the first and second light emitting diode.
    Type: Application
    Filed: July 7, 2010
    Publication date: October 21, 2010
    Applicant: NICHIA CORPORATION
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20100264841
    Abstract: A device for emitting white-color light comprises: a light emitting diode including: an LED chip comprising a gallium nitride compound semiconductor containing indium and being capable of emitting a blue color light, and a phosphor capable of absorbing a part of the blue color light and emitting a light having longer wavelength than the blue color light, the blue color light and the light from the phosphor being mixed to make the white-color; a control unit for converting an input to pulse signals; and a driver receiving the pulse signals from the control unit to drive the LED chip, wherein the brightness of the white-color light from the light emitting diode is controlled by a width of the pulse signals.
    Type: Application
    Filed: July 1, 2010
    Publication date: October 21, 2010
    Applicant: NICHIA CORPORATION
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20100117516
    Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
    Type: Application
    Filed: January 19, 2010
    Publication date: May 13, 2010
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Patent number: 7682848
    Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: March 23, 2010
    Assignee: Nichia Corporation
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20100019270
    Abstract: A light emitting diode having a mount lead having a cup and a lead, an LED chip mounted in the cup of said mount lead with one of electrodes being electrically connected to said mount lead, a coating material filling the cup of said mount lead to cover said LED chip; a molding material covering said LED chip, said coating material and the cup of said mount lead, and a phosphor absorbing a part of light emitted by said LED chip and emitting light of wavelength different from that of the absorbed light, wherein said phosphor is located in said coating material, and wherein said molding material is shaped to form a concave lens.
    Type: Application
    Filed: October 7, 2009
    Publication date: January 28, 2010
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20100019224
    Abstract: A light emitting diode comprising a lead, an LED chip mounted on said lead, said LED chip having a substrate and semiconductor layers formed on said substrate, a transparent material covering said LED chip, and a phosphor contained in said transparent material and absorbing a part of light emitted by said LED chip and emitting light of wavelength different from that of the absorbed light, wherein the main emission peak of said LED chip is within the range from 400 nm to 530 nm, and said LED chip is mounted on said lead with substrate-side up and is electrically connected with said lead by a metallic bump.
    Type: Application
    Filed: October 7, 2009
    Publication date: January 28, 2010
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20100006819
    Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
    Type: Application
    Filed: August 27, 2009
    Publication date: January 14, 2010
    Inventors: Yoshinori SHIMIZU, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20100001258
    Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20090315015
    Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
    Type: Application
    Filed: August 27, 2009
    Publication date: December 24, 2009
    Inventors: Yoshinori SHIMIZU, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20090315014
    Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
    Type: Application
    Filed: August 27, 2009
    Publication date: December 24, 2009
    Inventors: Yoshinori SHIMIZU, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20090316068
    Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
    Type: Application
    Filed: August 27, 2009
    Publication date: December 24, 2009
    Inventors: Yoshinori SHIMIZU, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Patent number: 7531960
    Abstract: A light emitting device includes a light emitting component; and a phosphor capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light. A straight line connecting a point of chromaticity corresponding to a peak of the spectrum generated by the light emitting component and a point of chromaticity corresponding to a peak of the spectrum generated by the phosphor is disposed along with the black body radiation locus in the chromaticity diagram.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: May 12, 2009
    Assignee: Nichia Corporation
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Patent number: 7362048
    Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: April 22, 2008
    Assignee: Nichia Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Patent number: 7329988
    Abstract: A color converting molding material and a light emitting device having the color converting molding material are discussed. According to an embodiment, the color converting molding material, includes a resin or glass; and a phosphor for converting a visible light emitted from a light emitting semiconductor component having a GaN-base compound semiconductor as a light emitting layer to a complimentary light with the visible light wherein said phosphor includes two or more garnet fluorescent materials containing a rare earth element, the two or more garnet fluorescent materials being different from each other.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: February 12, 2008
    Assignee: Nichia Corporation
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20070159060
    Abstract: A light emitting device includes a light emitting component; and a phosphor capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light. A straight line connecting a point of chromaticity corresponding to a peak of the spectrum generated by the light emitting component and a point of chromaticity corresponding to a peak of the spectrum generated by the phosphor is disposed along with the black body radiation locus in the chromaticity diagram.
    Type: Application
    Filed: March 5, 2007
    Publication date: July 12, 2007
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Publication number: 20070114914
    Abstract: A color converting molding material and a light emitting device having the color converting molding material are discussed.
    Type: Application
    Filed: January 16, 2007
    Publication date: May 24, 2007
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Patent number: 7215074
    Abstract: A light emitting device accoridng to an emboidment includes a first light emitting component including a semiconductor layer that is doped with an impurity, the first light emitting component emitting light in a blue region; a second light emitting component including a light-emitting semiconductor layer that emits light in a red region; and a phosphor capable of absorbing a part of the light emitted by the first light emitting component, and emitting light in a yellow region. The phosphor is not substantially excited by the light from the second light emitting component. The light emitting device is capable of emitting red/white light.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: May 8, 2007
    Assignee: Nichia Corporation
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Patent number: 7126274
    Abstract: A light emittng device according to one aspect of the present invention includes a first light emitting component including a light-emitting semiconductor layer that emits light in a blue region, a second light emitting component including a light-emitting semiconductor layer that emits light in a red region, and a phosphor capable of absorbing a part of light emitted by the first light emitting component and emitting light in a yellow region.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: October 24, 2006
    Assignee: Nichia Corporation
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
  • Patent number: 7071616
    Abstract: A light source having a planar main surface capable of emitting a white light includes a blue LED, an optical guide plate having a planar main surface and an edge face receiving injection of the light from the blue LED, and a coating material of transparent resin or glass containing fluorescent materials positioned between the blue LED and the optical guide plate. The fluorescent materials can be exited by absorption of a part of the blue light from the blue LED to emit fluorescent light and the fluorescent light can be mixed with a remaining part of the blue light to make white light in the optical guide plate.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: July 4, 2006
    Assignee: Nichia Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi, Eiji Nakanishi
  • Patent number: 7026756
    Abstract: A light emitting device includes a light emitting component having an active layer of a semiconductor and a phosphor capable of absorbing a part of light emitted from the light emitting component and emitting light of wavelength different from that of the absorbed light, wherein the light emitting component is a LED which has an active layer constituting a gallium nitride based semiconductor containing Indium and is capable of emitting a blue color light with a peak wavelength within the range from 420 to 490 nm. The phosphor is a garnet fluorescent material activated with cerium which is capable of absorbing a part of the blue color light and thereby emitting light having a broad emission spectrum with a peak wavelength existing around the range from 510 to 600 nm and a tail continuing into the region from 700 to 750 nm.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: April 11, 2006
    Assignee: Nichia Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi