Patents by Inventor Shinichi Kawato

Shinichi Kawato 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: 20190360086
    Abstract: A vapor deposition mask including a metallic substrate provided with a plurality of openings for passing vapor deposition particles, wherein at least a portion of the plurality of openings are structured by one or more opening groups in which the plurality of openings are repeatedly arranged in accordance with a constant rule, and a plurality of protrusions of identical height are arranged to support the entire substrate from one side, and are provided only outside the opening group formation region.
    Type: Application
    Filed: January 26, 2017
    Publication date: November 28, 2019
    Inventors: Shinichi KAWATO, Manabu NIBOSHI, Eiji KOIKE, Satoshi INOUE, Tsuyoshi INOUE, Yuhki KOBAYASHI
  • Publication number: 20190363156
    Abstract: A display device includes a cathode electrode provided on a subpixel-by-subpixel basis, an anode electrode provided commonly for a plurality of subpixels in an upper layer with respect to the cathode electrode, a light emitting layer provided between the cathode electrode and the anode electrode, a first wiring line provided in the same layer as the cathode electrode, and a second wiring line provided in an upper layer with respect to the first wiring line and superimposed on the first wiring line.
    Type: Application
    Filed: June 7, 2017
    Publication date: November 28, 2019
    Inventors: Masanori OHARA, Shinichi KAWATO, Manabu NIBOSHI, Seiichi MITSUI
  • Publication number: 20190363272
    Abstract: A hole injection layer provided between a first electrode and each of light emitting layers, and an electron injection layer provided between a second electrode and each of light emitting layers, overlap only inward from an end portions each of the light emitting layers when viewed in plan view.
    Type: Application
    Filed: March 30, 2017
    Publication date: November 28, 2019
    Inventors: Yuto TSUKAMOTO, Shinichi KAWATO, Manabu NIBOSHI, Satoshi INOUE, Hiroshi IMADA, Tokiyoshi UMEDA, Bai ZHANG, Tomoaki JO
  • Publication number: 20190355928
    Abstract: A reflective liquid crystal display device (30) including a reflection electrode (31), a liquid crystal layer (32), and a counter electrode (33) is formed above an insulating layer (25) in a first region (R) of a TFT substrate (20). An organic EL display device (40) including a first electrode (41), an organic layer (43), and a second electrode (44) is formed on the insulating layer (25) of the TFT substrate (20) in a second region (T). A coating layer (45) is formed at least on a surface of the organic EL display device (40) so as to wrap the second electrode (44) and the organic layer (43) of the organic EL display device (40). A part of the coating layer (45) is in contact with the insulating layer (25). As a result, a complex display apparatus capable of preventing the organic layer from deteriorating and excellent in reliability can be obtained.
    Type: Application
    Filed: March 31, 2017
    Publication date: November 21, 2019
    Inventors: Yozo NARUTAKI, Katsuhiko KISHIMOTO, Shinji SHIMADA, Masahiro MITANI, Kohzoh NAKAMURA, Kiyoshi MINOURA, Hiroshi TSUCHIYA, Yuhki KOBAYASHI, Shinichi KAWATO
  • Patent number: 10461132
    Abstract: Provided is a display apparatus where: a green light-emitting layer is common to a first subpixel, a second subpixel, and a third subpixel; a blue light-emitting layer is formed solely in the first subpixel; the red light-emitting layer is formed solely in the third subpixel; and in the first subpixel a separation layer is formed between the blue light-emitting layer and the green light-emitting layer.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: October 29, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuto Tsukamoto, Shinichi Kawato, Manabu Niboshi, Hiroshi Imada, Tokiyoshi Umeda, Bai Zhang, Tomoaki Jo
  • Publication number: 20190326540
    Abstract: An organic EL element (10) includes a first light-emitting layer (33a) having the shortest emission peak wavelength of a light-emitting layer (33) and containing a host material and a TTF material or at least the TTF material, a second light-emitting layer (33b) containing at least a TADF material, a third light-emitting layer (33c) having the longest emission peak wavelength of the light-emitting layer (33) and containing at least fluorescent material. The excited triplet level of the TTF material is lower than the excited triplet level of the TADF material.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Inventors: Yuto TSUKAMOTO, Katsuhiro KIKUCHI, Shinichi KAWATO, Manabu NIBOSHI, Eiji KOIKE, Asae ITO
  • Publication number: 20190312220
    Abstract: Provided is a display apparatus where: a red light-emitting layer is formed as a layer that is common to a first subpixel, a second subpixel, and a third subpixel; a blue light-emitting layer is formed as a layer that is common to the first subpixel and the second subpixel; and the green light-emitting layer is formed only in the second subpixel.
    Type: Application
    Filed: October 6, 2017
    Publication date: October 10, 2019
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yuto TSUKAMOTO, Shinichi KAWATO, Manabu NIBOSHI, Hiroshi IMADA, Tokiyoshi UMEDA, Bai ZHANG, Tomoaki JO
  • Publication number: 20190305066
    Abstract: Included are first light-emitting element including a first organic layer having an island shape, and a first lower electrode, an electrode cover film having an insulating property and covering an edge of the first lower electrode, and a second light-emitting element including a second organic layer that has an island shape and that is an identical layer to the first organic layer, and a second lower electrode. As an opening of the electrode cover film wholly overlaps with the first lower electrode and the first organic layer, so that the opening defines a light-emitting region of the first light-emitting elements. When the edge of the second organic layer overlaps with the second lower electrode without being interposed with an insulating film, the edge of the second organic layer defines a light-emitting region of the second light-emitting element.
    Type: Application
    Filed: September 29, 2017
    Publication date: October 3, 2019
    Inventors: Satoshi INOUE, Yuhki KOBAYASHI, Shinichi KAWATO
  • Publication number: 20190305054
    Abstract: Provided is a display apparatus where: a green light-emitting layer is common to a first subpixel, a second subpixel, and a third subpixel; a blue light-emitting layer is formed solely in the first subpixel; the red light-emitting layer is formed solely in the third subpixel; and in the first subpixel a separation layer is formed between the blue light-emitting layer and the green light-emitting layer.
    Type: Application
    Filed: September 25, 2017
    Publication date: October 3, 2019
    Inventors: Yuto TSUKAMOTO, Shinichi KAWATO, Manabu NIBOSHI, Hiroshi IMADA, Tokiyoshi UMEDA, Bai ZHANG, Tomoaki JO
  • Patent number: 10418592
    Abstract: An organic electroluminescence device according to an aspect of the disclosure includes a base material including one face provided with a recessed portion; and a light emitting element including a reflective layer provided on at least a surface of the recessed portion, a filling layer having optical transparency and filling the inside of the recessed portion with the reflective layer interposed between the filling layer and the recessed portion, a first electrode having optical transparency and provided on at least an upper-layer side of the filling layer, an organic layer containing at least a light emitting layer and provided on an upper layer of the first electrode, a second electrode having optical transparency and provided on an upper-layer side of the organic layer, and an edge cover layer covering at least an end portion of the first electrode, and in the organic electroluminescence device, an upper face of the first electrode at a position of the recessed portion is positioned below a plane including
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: September 17, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Satoshi Inoue, Katsuhiro Kikuchi, Shinichi Kawato, Eiji Koike
  • Patent number: 10411211
    Abstract: An organic EL element (10) includes a first light-emitting layer (33a) having the shortest emission peak wavelength of a light-emitting layer (33) and containing a host material and a TTF material or at least the TTF material, a second light-emitting layer (33b) containing at least a TADF material, a third light-emitting layer (33c) having the longest emission peak wavelength of the light-emitting layer (33) and containing at least fluorescent material. The excited triplet level of the TTF material is lower than the excited triplet level of the TADF material.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: September 10, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuto Tsukamoto, Katsuhiro Kikuchi, Shinichi Kawato, Manabu Niboshi, Eiji Koike, Asae Ito
  • Patent number: 10403841
    Abstract: An organic EL element is provided that has a high light emission efficiency and that emits a plurality of light beams having respective wavelength ranges different from one another, the light beams including short wavelength light having a high chromaticity. An organic EL element (1) includes an exciton generating layer (7) and a guest layer (8) that are adjacent to each other.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: September 3, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Asae Ito, Yuto Tsukamoto, Manabu Niboshi, Eiji Koike, Shinichi Kawato, Katsuhiro Kikuchi
  • Patent number: 10384417
    Abstract: It comprises: a film made of a resin in which an aperture pattern is formed, the aperture pattern passing through the film, the aperture being with a shape and dimension corresponding to the thin-film pattern in a pre-established region for formation of the thin-film pattern on the substrate; and a metal member that has an aperture part opposite the aperture pattern with a shape and dimension larger than the aperture pattern, the metal member being provided as a thin sheet in intimate contact with one surface of the film on an outside part of the aperture pattern of the film. The film is mutually distanced and distributed, at a position where the film does not overlap the aperture pattern, into a plurality of divided parts on one surface of the metal member.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: August 20, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takashi Ochi, Shinichi Kawato, Kazuki Matsunaga, Yuhki Kobayashi, Katsuhiro Kikuchi
  • Publication number: 20190237514
    Abstract: In this manufacturing method, in a blue fluorescent light-emitting layer formation step, a blue fluorescent light-emitting layer is formed in both a subpixel and a subpixel; in a green fluorescent light-emitting layer formation step, a green fluorescent light-emitting layer is formed in both the subpixel and a subpixel; and in a red light-emitting layer formation step, a red light-emitting layer is formed in both the subpixel and a subpixel. In at least two of the abovementioned steps, linear vapor deposition is performed using a slitted mask having an opening that is provided so as to extend across a plurality of pixels.
    Type: Application
    Filed: July 21, 2017
    Publication date: August 1, 2019
    Inventors: Yuto TSUKAMOTO, Seiichi MITSUI, Shinichi KAWATO, Satoshi INOUE, Yuhki KOBAYASHI, Takashi OCHI
  • Publication number: 20190228686
    Abstract: Provided is a display apparatus where: a blue light-emitting layer is formed as a layer that is common to a first subpixel, a second subpixel, and a third subpixel; a green light-emitting layer is formed as a layer that is common to the second subpixel and the third subpixel; and the red light-emitting layer is formed only in the third subpixel.
    Type: Application
    Filed: September 21, 2017
    Publication date: July 25, 2019
    Inventors: Yuto TSUKAMOTO, Shinichi KAWATO, Manabu NIBOSHI, Hiroshi IMADA, Tokiyoshi UMEDA, Bai ZHANG, Tomoaki JO
  • Publication number: 20190157360
    Abstract: In this manufacturing method, in a blue fluorescent light-emitting layer formation step, a blue fluorescent light-emitting layer is formed in both a subpixel and a subpixel; in a green fluorescent light-emitting layer formation step, a green fluorescent light-emitting layer is formed in both the subpixel and a subpixel; and in a red light-emitting layer formation step, a red light-emitting layer is formed in both the subpixel and a subpixel. In at least two of the abovementioned steps, linear vapor deposition is performed using a slit mask having an opening that is provided so as to extend across a plurality of pixels.
    Type: Application
    Filed: July 21, 2017
    Publication date: May 23, 2019
    Inventors: Yuto TSUKAMOTO, Seiichi MITSUI, Shinichi KAWATO, Satoshi INOUE, Yuhki KOBAYASHI, Takashi OCHI
  • Patent number: 10276797
    Abstract: The present invention provides a vapor deposition device including a novel alignment mechanism applicable to a large substrate, a vapor deposition method, and a method for manufacturing an organic electroluminescence element. The vapor deposition device of the present invention is a vapor deposition device for performing vapor deposition while transporting a substrate in a first direction, and includes: a mask; a substrate tray including a substrate-holding portion and a guide portion protruding from the substrate-holding portion to the mask side and disposed along the first direction; at least one distance meter disposed on a first end which is one end of the mask or the guide portion; and at least one driver coupled with a second end which is the other end of the mask. The at least one distance meter is configured to measure a distance between the at least one distance meter and the guide portion or the first end when the guide portion faces the first end.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: April 30, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Ichihara, Eiichi Matsumoto, Yuhki Kobayashi, Katsuhiro Kikuchi, Shinichi Kawato, Takashi Ochi, Kazuki Matsunaga, Satoshi Inoue
  • Publication number: 20190115398
    Abstract: A blue fluorescent light-emitting layer is provided in common for a subpixel and a subpixel, a green fluorescent light-emitting layer is provided in common for the subpixel and a subpixel, and a red light-emitting layer is provided in common for the subpixel and a subpixel. An opposing surface distance is less than or equal to a Förster radius, and in the subpixel, the green fluorescent light-emitting layer and the red light-emitting layer are layered with a separation layer interposed therebetween.
    Type: Application
    Filed: April 7, 2017
    Publication date: April 18, 2019
    Inventors: Yuto TSUKAMOTO, Seiichi MITSUI, Shinichi KAWATO, Satoshi INOUE, Yuhki KOBAYASHI, Takashi OCHI
  • Publication number: 20190097135
    Abstract: The present invention provides a vapor deposition device including a novel alignment mechanism applicable to a large substrate, a vapor deposition method, and a method for manufacturing an organic electroluminescence element. The vapor deposition device of the present invention is a vapor deposition device for performing vapor deposition while transporting a substrate in a first direction, and includes: a mask; a substrate tray including a substrate-holding portion and a guide portion protruding from the substrate-holding portion to the mask side and disposed along the first direction; at least one distance meter disposed on a first end which is one end of the mask or the guide portion; and at least one driver coupled with a second end which is the other end of the mask. The at least one distance meter is configured to measure a distance between the at least one distance meter and the guide portion or the first end when the guide portion faces the first end.
    Type: Application
    Filed: November 10, 2015
    Publication date: March 28, 2019
    Inventors: MASAHIRO ICHIHARA, EIICHI MATSUMOTO, YUHKI KOBAYASHI, KATSUHIRO KIKUCHI, SHINICHI KAWATO, TAKASHI OCHI, KAZUKI MATSUNAGA, SATOSHI INOUE
  • Publication number: 20190081268
    Abstract: Provided is an EL element utilizing upconversion light emission involving highly efficient triplet-triplet annihilation. A blue-light-emitting layer includes an ionic liquid, a red phosphorescent material, and a blue fluorescent material. The blue fluorescent material and the red phosphorescent material are homogeneously dispersed in a liquid film of the ionic liquid.
    Type: Application
    Filed: March 16, 2017
    Publication date: March 14, 2019
    Inventors: Asae ITO, Manabu NIBOSHI, Yuto TSUKAMOTO, Shinichi KAWATO