Patents by Inventor Yuki HANAMURA

Yuki HANAMURA 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: 10026897
    Abstract: A method for manufacturing an organic EL apparatus includes forming an organic EL element and a mounting terminal on a substrate of an element substrate as a first substrate, forming sealing films so as to cover at least the organic EL element and the mounting terminal, adhering a sealing substrate as a second substrate with respect to the element substrate using a filler, and etching the sealing films so as to expose at least a part of the mounting terminal, in which, in the etching of the sealing films, the second substrate, which is formed with a composition which reacts with an etching gas and vaporizes, or a protective member, which covers at least a part of the second substrate, is used as a mask.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: July 17, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yuki Hanamura
  • Patent number: 9985241
    Abstract: An electro-optical apparatus includes an element substrate which includes a display region in which a plurality of light emitting elements are arranged in a matrix form, and a terminal region in which mounting terminals are arranged outside the display region; a sealing film which seals the plurality of light emitting elements; and a sealing substrate which is arranged on the element substrate via the sealing film, in which a distance between the sealing substrate and the mounting terminal is equal to or longer than a thickness dimension of the sealing substrate when seen from a surface normal direction of the element substrate.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: May 29, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takeshi Koshihara, Yuki Hanamura
  • Patent number: 9972804
    Abstract: An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: May 15, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koya Shiratori, Yuki Hanamura, Tsutomu Asakawa
  • 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
  • Publication number: 20170279068
    Abstract: An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.
    Type: Application
    Filed: March 7, 2017
    Publication date: September 28, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Koya SHIRATORI, Yuki HANAMURA, Tsutomu ASAKAWA
  • 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: 20170245330
    Abstract: The organic EL device includes a base material as a substrate, a plurality of organic EL elements disposed on the based materials, a seal layer covering the plurality of organic EL elements to seal, color layers of at least red, green, and blue corresponding to a plurality of organic EL elements and formed on the seal layer, and a convex portion which is formed by dividing each of colored layers with different colors on the seal layer, and whose height is lower than the height of a colored layer of at least red, green, blue on the seal layer. The convex portion has a property of optical transparency, and is formed using a photosensitive resin material which is a main material of the colored layers, for example.
    Type: Application
    Filed: April 19, 2017
    Publication date: August 24, 2017
    Inventor: Yuki HANAMURA
  • Publication number: 20170236876
    Abstract: A manufacturing method of an organic light emitting device including a light emitting element that includes an organic light emitting layer, a sealing layer above the light emitting element, and a color filter layer above the sealing layer. The color filter layer includes a first color filter that transmits light of a first wavelength region and a second color filter that transmits light of a second wavelength region, an area of the second color filter is smaller than an area of the first color filter, and the method includes forming the first color filter, and forming the second color filter thereafter.
    Type: Application
    Filed: May 4, 2017
    Publication date: August 17, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Suguru AKAGAWA, Yuki HANAMURA
  • Publication number: 20170237033
    Abstract: An electro-optical apparatus includes an element substrate which includes a display region in which a plurality of light emitting elements are arranged in a matrix form, and a terminal region in which mounting terminals are arranged outside the display region; a sealing film which seals the plurality of light emitting elements; and a sealing substrate which is arranged on the element substrate via the sealing film, in which a distance between the sealing substrate and the mounting terminal is equal to or longer than a thickness dimension of the sealing substrate when seen from a surface normal direction of the element substrate.
    Type: Application
    Filed: February 8, 2017
    Publication date: August 17, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takeshi KOSHIHARA, Yuki HANAMURA
  • Patent number: 9661694
    Abstract: The organic EL device includes a base material as a substrate, a plurality of organic EL elements disposed on the based materials, a seal layer covering the plurality of organic EL elements to seal, color layers of at least red, green, and blue corresponding to a plurality of organic EL elements and formed on the seal layer, and a convex portion which is formed by dividing each of colored layers with different colors on the seal layer, and whose height is lower than the height of a colored layer of at least red, green, blue on the seal layer. The convex portion has a property of optical transparency, and is formed using a photosensitive resin material which is a main material of the colored layers, for example.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: May 23, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yuki Hanamura
  • Patent number: 9661693
    Abstract: The organic EL device includes a base material as a substrate, a plurality of organic EL elements disposed on the based materials, a seal layer covering the plurality of organic EL elements to seal, color layers of at least red, green, and blue corresponding to a plurality of organic EL elements and formed on the seal layer, and a convex portion which is formed by dividing each of colored layers with different colors on the seal layer, and whose height is lower than the height of a colored layer of at least red, green, blue on the seal layer. The convex portion has a property of optical transparency, and is formed using a photosensitive resin material which is a main material of the colored layers, for example.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: May 23, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yuki Hanamura
  • Publication number: 20170104045
    Abstract: Provided is an organic EL device including a first substrate, a first organic EL element and a second organic EL element which is provided on the first substrate, a sealing layer which covers the first organic EL element and the second organic EL element, and a color filter which is provided on the sealing layer. The color filter includes a coloring layer overlapping the first organic EL element in a planar view, and a resin layer overlapping the second organic EL element in a planar view.
    Type: Application
    Filed: July 22, 2016
    Publication date: April 13, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yuki HANAMURA, Koya SHIRATORI, Takeshi KOSHIHARA
  • 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: 20160316526
    Abstract: The organic EL device includes a base material as a substrate, a plurality of organic EL elements disposed on the based materials, a seal layer covering the plurality of organic EL elements to seal, color layers of at least red, green, and blue corresponding to a plurality of organic EL elements and formed on the seal layer, and a convex portion which is formed by dividing each of colored layers with different colors on the seal layer, and whose height is lower than the height of a colored layer of at least red, green, blue on the seal layer. The convex portion has a property of optical transparency, and is formed using a photosensitive resin material which is a main material of the colored layers, for example.
    Type: Application
    Filed: July 1, 2016
    Publication date: October 27, 2016
    Inventor: Yuki HANAMURA
  • Publication number: 20160233284
    Abstract: An organic EL device includes a first pixel electrode and a second pixel electrode; a functional layer provided on the first pixel electrode and the second pixel electrode; an electrode provided on the functional layer; a sealing layer formed on the electrode; and a light blocking layer provided on an upper layer of the protective layer. The light blocking layer has carbon with an SP2 structure.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 11, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yuki HANAMURA, Koya SHIRATORI
  • Patent number: 9293724
    Abstract: Disclosed herein is a light-emitting element, including: a cathode; an anode; and a light-emitting unit, in which the light-emitting unit includes a first light-emitting layer, an intermediate layer, a second light-emitting layer, and a third light-emitting layer, which are laminated from the anode side to the cathode side, in which each of the second and third light-emitting layers is configured to contain a luminescent material, a host material, and an assist dopant material, in which the intermediate layer is configured to contain the host material and the assist dopant material, and in which, when the concentrations of the assist dopant materials contained in the second light-emitting layer, the third light-emitting layer, and the intermediate layer are respectively expressed by CAssist(EML2), CAssist(EML3), and CAssist(IML), the following Relational Expression (A) is satisfied: CAssist(IML)>CAssist(EML2)?CAssist(EML3)??(A).
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: March 22, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akio Fukase, Hidetoshi Yamamoto, Yuki Hanamura
  • Patent number: 9195047
    Abstract: An optical filter includes a first substrate, a first mirror formed on the first substrate, a second substrate coupled to the first substrate, the second substrate including a concave portion, a second mirror formed on the concave portion and facing the first mirror, and an electrode formed on the second substrate and around the second mirror. The first substrate includes a plurality of first hinge portions and a plurality of second hinge portions inside the plurality of first hinge portions.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: November 24, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Yuki Hanamura, Takeo Funakawa, Tsukasa Funasaka
  • Publication number: 20150327346
    Abstract: The organic EL device includes a base material as a substrate, a plurality of organic EL elements disposed on the based materials, a seal layer covering the plurality of organic EL elements to seal, color layers of at least red, green, and blue corresponding to a plurality of organic EL elements and formed on the seal layer, and a convex portion which is formed by dividing each of colored layers with different colors on the seal layer, and whose height is lower than the height of a colored layer of at least red, green, blue on the seal layer. The convex portion has a property of optical transparency, and is formed using a photosensitive resin material which is a main material of the colored layers, for example.
    Type: Application
    Filed: July 9, 2015
    Publication date: November 12, 2015
    Inventor: Yuki HANAMURA