Patents by Inventor Ryoichi Nozawa

Ryoichi Nozawa 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: 10403687
    Abstract: There is provided an electro-optical device including a light-emitting element, a sealing layer that covers the light-emitting element, a color filter layer that is formed on the sealing layer, and a convex portion that is provided between the sealing layer and the color filter layer and has a first surface in contact with the sealing layer and a second surface in contact with the color filter layer, in which the second surface is a curved surface.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: September 3, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Suguru Akagawa, Ryoichi Nozawa, Naotaka Kubota, Takefumi Fukagawa
  • Patent number: 10340321
    Abstract: An electro-optical device includes a first electrode that is coupled to a first data transfer line, a second electrode that is coupled to a second data transfer line. The first and second electrodes are respectively formed in different layers. A first capacitor is formed of the first electrode, the second electrode, and a dielectric film between the first electrode and the second electrode. In addition, a power supplying line and the first data transfer line are formed in a same layer. A second capacitor is formed of the power supplying line, the first data transfer line, and an insulating layer between the power supplying line and the first data transfer line.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: July 2, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hitoshi Ota, Ryoichi Nozawa
  • Publication number: 20190140040
    Abstract: An organic electroluminescent device includes a first transistor, a power supply line layer connected to one current terminal of the first transistor, a capacitive element including a first capacitive electrode connected to a gate of the first transistor, and a second capacitive electrode, a signal line, and a pixel electrode connected to the other current terminal of the first transistor, the first capacitive electrode is provided on a layer over the gate of the first transistor, and the power supply line layer is provided on a layer between the first capacitive electrode and the signal line.
    Type: Application
    Filed: December 14, 2018
    Publication date: May 9, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hitoshi OTA, Ryoichi NOZAWA
  • Publication number: 20190051714
    Abstract: Subpixels of R, G, and B corresponding to a scanning line as a first conductive layer extended in a row direction and a data transfer line as a second conductive layer extended in a column direction are provided. A plurality of transistors in the subpixel of each of the colors is disposed along the column direction, and a reflective layer in the subpixel of at least one color is disposed along the row direction so as to overlap any transistor of subpixels of each display color. A center position of a disposition region of a reflective layer in one pixel unit including the subpixels of R, G, and B is different from a center position of a disposition region of a transistor in one pixel unit.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takeshi KOSHIHARA, Hitoshi OTA, Ryoichi NOZAWA
  • Publication number: 20190027544
    Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 24, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Ryoichi NOZAWA, Takeshi KOSHIHARA, Hisakatsu SATO
  • Patent number: 10186565
    Abstract: An organic electroluminescent device includes a first transistor, a power supply line layer connected to one current terminal of the first transistor, a capacitive element including a first capacitive electrode connected to a gate of the first transistor, and a second capacitive electrode, a signal line, and a pixel electrode connected to the other current terminal of the first transistor, the first capacitive electrode is provided on a layer over the gate of the first transistor, and the power supply line layer is provided on a layer between the first capacitive electrode and the signal line.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: January 22, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hitoshi Ota, Ryoichi Nozawa
  • Publication number: 20190013376
    Abstract: A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.
    Type: Application
    Filed: August 7, 2018
    Publication date: January 10, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takeshi KOSHIHARA, Ryoichi NOZAWA
  • Patent number: 10177211
    Abstract: Subpixels of R, G, and B corresponding to a scanning line extended in a row direction and a data transfer line extended in a column direction are provided. A plurality of transistors in the subpixel of each of the colors is disposed along the column direction, and a reflective layer in the subpixel of at least one color is disposed along the row direction so as to overlap any transistor of subpixels of each display color. A power source wiring is disposed between the reflective layer and the transistor along the row direction, so as to overlap the transistor. Relay electrodes which connects the reflective layer and any transistor of subpixels of each display color are formed on a layer between a layer on which the power source wiring is formed, and the reflective layer.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: January 8, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takeshi Koshihara, Hitoshi Ota, Ryoichi Nozawa
  • Patent number: 10134822
    Abstract: Subpixels of R, G, and B corresponding to a scanning line as a first conductive layer extended in a row direction and a data transfer line as a second conductive layer extended in a column direction are provided. A plurality of transistors in the subpixel of each of the colors is disposed along the column direction, and a reflective layer in the subpixel of at least one color is disposed along the row direction so as to overlap any transistor of subpixels of each display color. A center position of a disposition region of a reflective layer in one pixel unit including the subpixels of R, G, and B is different from a center position of a disposition region of a transistor in one pixel unit.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: November 20, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takeshi Koshihara, Hitoshi Ota, Ryoichi Nozawa
  • Publication number: 20180323403
    Abstract: A first light-emitting element and a second light-emitting element that have a resonance structure that causes output light from a light-emission functional layer to resonate between a reflective layer and a semi-transmissive reflective layer, and a pixel definition layer, and in which an aperture part is formed to correspond to each of the first light-emitting element and the second light-emitting element, are formed on a base. A first interval between the reflective layer and the semi-transmissive reflective layer in the first light-emitting element and a second interval between the reflective layer and the semi-transmissive reflective layer in the second light-emitting element are different, and a film thickness of the pixel definition layer is less than a difference between the first interval and the second interval.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 8, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Ryoichi NOZAWA, Atsushi AMANO, Takeshi KOSHIHARA, Akio FUKASE, Shinichi IWATA
  • Patent number: 10115778
    Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: October 30, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Ryoichi Nozawa, Takeshi Koshihara, Hisakatsu Sato
  • Patent number: 10096665
    Abstract: A second data transfer line that is coupled to a gate layer of a drive transistor is formed in a layer higher than the gate layer, and a transfer capacitor is formed in a layer higher than a layer having the second data transfer line. A first data transfer line to which a data signal is supplied is formed in a layer higher than a layer having the transfer capacitor.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: October 9, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hitoshi Ota, Ryoichi Nozawa
  • Patent number: 10074708
    Abstract: A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: September 11, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takeshi Koshihara, Ryoichi Nozawa
  • Publication number: 20180240854
    Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.
    Type: Application
    Filed: March 16, 2017
    Publication date: August 23, 2018
    Inventors: Ryoichi NOZAWA, Takeshi KOSHIHARA, Hisakatsu SATO
  • Patent number: 10044000
    Abstract: A first light-emitting element and a second light-emitting element that have a resonance structure that causes output light from a light-emission functional layer to resonate between a reflective layer and a semi-transmissive reflective layer, and a pixel definition layer, and in which an aperture part is formed to correspond to each of the first light-emitting element and the second light-emitting element, are formed on a base. A first interval between the reflective layer and the semi-transmissive reflective layer in the first light-emitting element and a second interval between the reflective layer and the semi-transmissive reflective layer in the second light-emitting element are different, and a film thickness of the pixel definition layer is less than a difference between the first interval and the second interval.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: August 7, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Ryoichi Nozawa, Atsushi Amano, Takeshi Koshihara, Akio Fukase, Shinichi Iwata
  • Patent number: 10026800
    Abstract: There is provided a light emitting device including: a semiconductor substrate; a plurality of pixel circuits that is disposed in a display region of the semiconductor substrate; a first wiring that is formed of a conductive material so as to be supplied with a predetermined electric potential; and a plurality of first contact portions that is formed of a conductive material so as to connect the semiconductor substrate and the first wiring. The plurality of first contact portions and the first wiring are provided in the display region.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: July 17, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hitoshi Ota, Ryoichi Nozawa, Takeshi Nomura
  • Publication number: 20180175129
    Abstract: A second data transfer line that is coupled to a gate layer of a drive transistor is formed in a layer higher than the gate layer, and a transfer capacitor is formed in a layer higher than a layer having the second data transfer line. A first data transfer line to which a data signal is supplied is formed in a layer higher than a layer having the transfer capacitor.
    Type: Application
    Filed: February 15, 2018
    Publication date: June 21, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hitoshi OTA, Ryoichi NOZAWA
  • Publication number: 20180138245
    Abstract: There is provided an electro-optical device including a light-emitting element, a sealing layer that covers the light-emitting element, a color filter layer that is formed on the sealing layer, and a convex portion that is provided between the sealing layer and the color filter layer and has a first surface in contact with the sealing layer and a second surface in contact with the color filter layer, in which the second surface is a curved surface.
    Type: Application
    Filed: November 14, 2017
    Publication date: May 17, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Suguru AKAGAWA, Ryoichi NOZAWA, Naotaka KUBOTA, Takefumi FUKAGAWA
  • Publication number: 20180102403
    Abstract: Subpixels of R, G, and B corresponding to a scanning line extended in a row direction and a data transfer line extended in a column direction are provided. A plurality of transistors in the subpixel of each of the colors is disposed along the column direction, and a reflective layer in the subpixel of at least one color is disposed along the row direction so as to overlap any transistor of subpixels of each display color. A power source wiring is disposed between the reflective layer and the transistor along the row direction, so as to overlap the transistor. Relay electrodes which connects the reflective layer and any transistor of subpixels of each display color are formed on a layer between a layer on which the power source wiring is formed, and the reflective layer.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takeshi KOSHIHARA, Hitoshi OTA, Ryoichi NOZAWA
  • Patent number: 9935164
    Abstract: A second data transfer line that is coupled to a gate layer of a drive transistor is formed in a layer higher than the gate layer, and a transfer capacitor is formed in a layer higher than a layer having the second data transfer line. A first data transfer line to which a data signal is supplied is formed in a layer higher than a layer having the transfer capacitor.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: April 3, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hitoshi Ota, Ryoichi Nozawa