Patents by Inventor Hisatoshi Nakamura

Hisatoshi Nakamura 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: 9966569
    Abstract: An organic EL apparatus includes a substrate, an organic EL element that is disposed on the substrate, and a sealing layer that seals the organic light emission element by covering, and the sealing layer is a multilayer body which includes a first sealing layer, a buffer layer, and a second sealing layer respectively having different functions and being sequentially stacked from the organic EL element side. The second sealing layer is mainly made of silicon oxynitride, and includes an inner layer, an intermediate layer, and an outer layer being sequentially stacked on the organic EL element side. Stress of the intermediate layer is equal to or less than stress of the inner layer, and stress of the outer layer is greater than the stress of the inner layer.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: May 8, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Hisatoshi Nakamura
  • Patent number: 9843022
    Abstract: An organic light emitting device has a substrate, an organic light emitting element disposed on the substrate, and a sealing layer sealing the organic light emitting element by covering the organic light emitting element. The sealing layer is a multilayer body in which a first sealing layer mainly containing an inorganic material, a buffer layer mainly containing a resin material, and a second sealing layer mainly containing silicon oxynitride are successively stacked from a side of the organic light emitting element. The first sealing layer has a heavy hydrogen diffusion coefficient of 1.0×10?21 m2/sec or more at 85° C. in a heavy hydrogen atmosphere.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: December 12, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hisatoshi Nakamura, Shinichi Iwata, Takefumi Fukagawa, Tsutomu Asakawa, Yuki Hanamura
  • Patent number: 9755005
    Abstract: An organic EL device according to the present application includes a substrate, a plurality of organic EL elements arranged on the substrate, the plurality of organic EL elements including an organic light-emitting layer interposed between an anode and a cathode, a plurality of connection terminals disposed on the substrate, a sealing layer covering the plurality of organic EL elements such that the plurality of organic EL elements lie between the substrate and the sealing layer, and an organic layer formed above the sealing layer. The organic layer and the sealing layer have an opening portion that exposes at least one of the plurality of connection terminals.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: September 5, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hisatoshi Nakamura, Shinichi Iwata, Seiji Atsumi, Yuki Hanamura, Suguru Akagawa
  • Publication number: 20170092896
    Abstract: An organic light emitting device has a substrate, an organic light emitting element disposed on the substrate, and a sealing layer sealing the organic light emitting element by covering the organic light emitting element. The sealing layer is a multilayer body in which a first sealing layer mainly containing an inorganic material, a buffer layer mainly containing a resin material, and a second sealing layer mainly containing silicon oxynitride are successively stacked from a side of the organic light emitting element. The first sealing layer has a heavy hydrogen diffusion coefficient of 1.0×10?21 m2/sec or more at 85° C. in a heavy hydrogen atmosphere.
    Type: Application
    Filed: July 22, 2016
    Publication date: March 30, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hisatoshi NAKAMURA, Shinichi IWATA, Takefumi FUKAGAWA, Tsutomu ASAKAWA, Yuki HANAMURA
  • Publication number: 20170012084
    Abstract: An organic EL device according to the present application includes a substrate, a plurality of organic EL elements arranged on the substrate, the plurality of organic EL elements including an organic light-emitting layer interposed between an anode and a cathode, a plurality of connection terminals disposed on the substrate, a sealing layer covering the plurality of organic EL elements such that the plurality of organic EL elements lie between the substrate and the sealing layer, and an organic layer formed above the sealing layer. The organic layer and the sealing layer have an opening portion that exposes at least one of the plurality of connection terminals.
    Type: Application
    Filed: September 23, 2016
    Publication date: January 12, 2017
    Inventors: Hisatoshi NAKAMURA, Shinichi IWATA, Seiji ATSUMI, Yuki HANAMURA, Suguru AKAGAWA
  • Patent number: 9490304
    Abstract: An organic EL device according to the present application includes a substrate, a plurality of organic EL elements arranged on the substrate, the plurality of organic EL elements including an organic light-emitting layer interposed between an anode and a cathode, a plurality of connection terminals disposed on the substrate, a sealing layer covering the plurality of organic EL elements such that the plurality of organic EL elements lie between the substrate and the sealing layer, and an organic layer formed above the sealing layer. The organic layer and the sealing layer have an opening portion that exposes at least one of the plurality of connection terminals.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: November 8, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hisatoshi Nakamura, Shinichi Iwata, Seiji Atsumi, Yuki Hanamura, Suguru Akagawa
  • Publication number: 20160293889
    Abstract: An organic EL apparatus includes a substrate, an organic EL element that is disposed on the substrate, and a sealing layer that seals the organic light emission element by covering, and the sealing layer is a multilayer body which includes a first sealing layer, a buffer layer, and a second sealing layer respectively having different functions and being sequentially stacked from the organic EL element side. The second sealing layer is mainly made of silicon oxynitride, and includes an inner layer, an intermediate layer, and an outer layer being sequentially stacked on the organic EL element side. Stress of the intermediate layer is equal to or less than stress of the inner layer, and stress of the outer layer is greater than the stress of the inner layer.
    Type: Application
    Filed: March 4, 2016
    Publication date: October 6, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Hisatoshi NAKAMURA
  • Patent number: 9166193
    Abstract: Disclosed is an organic EL device as an light emitting device according to this application example includes a base material as a substrate, and an organic EL element as a plurality of light emitting elements having a light emitting functional layer as a functional layer in which an organic light emitting layer is included between a pixel electrode as an anode and an opposed electrode as a cathode and a sealing layer sealing the plurality of organic EL elements which are formed on the base material, and the opposed electrode is formed over the plurality of organic EL elements as a common cathode, and the sealing layer is formed so as to cover the common cathode in the same region where the common cathode is formed or inwards from the region.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: October 20, 2015
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Suguru Akagawa, Takefumi Fukagawa, Hisatoshi Nakamura
  • Publication number: 20150255517
    Abstract: An organic EL device according to the present application includes a substrate, a plurality of organic EL elements arranged on the substrate, the plurality of organic EL elements including an organic light-emitting layer interposed between an anode and a cathode, a plurality of connection terminals disposed on the substrate, a sealing layer covering the plurality of organic EL elements such that the plurality of organic EL elements lie between the substrate and the sealing layer, and an organic layer formed above the sealing layer. The organic layer and the sealing layer have an opening portion that exposes at least one of the plurality of connection terminals.
    Type: Application
    Filed: May 21, 2015
    Publication date: September 10, 2015
    Inventors: Hisatoshi NAKAMURA, Shinichi IWATA, Seiji ATSUMI, Yuki HANAMURA, Suguru AKAGAWA
  • Patent number: 9076990
    Abstract: A method of manufacturing an organic EL device according to the present application example includes forming a sealing layer by covering multiple organic EL elements and a connection terminal, forming a color filter as an organic layer that covers the sealing layer, patterning the color filter in such a manner that an opening extending up to the sealing layer is formed in a portion of the color filter, which overlaps the connection terminal, and etching the sealing layer in such a manner as to expose at least one part of the connection terminal with the pattern-formed color filter serving as a mask.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: July 7, 2015
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hisatoshi Nakamura, Shinichi Iwata, Seiji Atsumi, Yuki Hanamura, Suguru Akagawa
  • Publication number: 20140117334
    Abstract: A method of manufacturing an organic EL device according to the present application example includes forming a sealing layer by covering multiple organic EL elements and a connection terminal, forming a color filter as an organic layer that covers the sealing layer, patterning the color filter in such a manner that an opening extending up to the sealing layer is formed in a portion of the color filter, which overlaps the connection terminal, and etching the sealing layer in such a manner as to expose at least one part of the connection terminal with the pattern-formed color filter serving as a mask.
    Type: Application
    Filed: October 2, 2013
    Publication date: May 1, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hisatoshi NAKAMURA, Shinichi IWATA, Seiji ATSUMI, Yuki HANAMURA, Suguru AKAGAWA
  • Publication number: 20140042408
    Abstract: Disclosed is an organic EL device as an light emitting device according to this application example includes a base material as a substrate, and an organic EL element as a plurality of light emitting elements having a light emitting functional layer as a functional layer in which an organic light emitting layer is included between a pixel electrode as an anode and an opposed electrode as a cathode and a sealing layer sealing the plurality of organic EL elements which are formed on the base material, and the opposed electrode is formed over the plurality of organic EL elements as a common cathode, and the sealing layer is formed so as to cover the common cathode in the same region where the common cathode is formed or inwards from the region.
    Type: Application
    Filed: August 5, 2013
    Publication date: February 13, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Suguru AKAGAWA, Takefumi FUKAGAWA, Hisatoshi NAKAMURA
  • Patent number: 7164486
    Abstract: An image editing system having an image forming apparatus and an expansion box. The image forming apparatus includes an image inputting part which inputs the original image as an image, an image processing part which converts image information of an input color coordinate system into an output color coordinate system, an image outputting part which prints out image information of the output color coordinate system, and a first connection part which performs exchanging the image information of the output color coordinate system between the image forming apparatus and an external device. The expansion box includes a second connection part which is connected with the first connection part and a storing part which stores the image information and provides the expansion of image editing function.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: January 16, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hisatoshi Nakamura, Toshiharu Tsuruma, Hitoshi Katta