Patents by Inventor Joji Nishimura

Joji Nishimura 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: 10503019
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: December 10, 2019
    Assignee: Japan Display Inc.
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Publication number: 20190146281
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Application
    Filed: January 9, 2019
    Publication date: May 16, 2019
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Patent number: 10197859
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: February 5, 2019
    Assignee: Japan Display Inc.
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Publication number: 20170329213
    Abstract: A polarization conversion element which is capable of improving the use efficiency of light, and capable of suppressing deterioration is provided. A polarization conversion element includes a main body provided with a light-transmitting member, a polarized light separation layer that transmits first polarized light of light to be incident, and reflects second polarized light, a reflection layer, disposed between the polarized light separation layer and the light-transmitting member, and a retardation layer, disposed on a light emitting end surface of the light-transmitting member, which converts one polarization direction of the first polarized light and the second polarized light into the other polarization direction; and a reflection suppression layer that suppresses reflection from a light emitting surface in the main body, wherein the main body includes an exposure region for exposing at least a portion of a region of a light emitting-side surface in the retardation layer.
    Type: Application
    Filed: September 17, 2015
    Publication date: November 16, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tomohiro TAKAGI, Joji NISHIMURA, Masashi KATO, Shuho KOBAYASHI, Yuichiro INADA, Hiroyuki UMEDA
  • Publication number: 20170322455
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Application
    Filed: July 26, 2017
    Publication date: November 9, 2017
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Patent number: 9746713
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: August 29, 2017
    Assignee: Japan Display Inc.
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Patent number: 9557615
    Abstract: A liquid crystal display device including a plurality of sub pixel regions is provided. The device includes first and second substrates with a liquid crystal layer interposed therebetween; a first electrode formed on the liquid crystal layer side of the first substrate; a second electrode formed nearer the liquid crystal layer side than the first electrode with an insulating film interposed therebetween and having a plurality of linear portions in a region overlapping with the first electrode in plan view, a third electrode having a plurality of linear portions formed on the liquid crystal layer side of the second substrate, the linear portions of the third electrode not overlapping with the linear portions of the second electrode in plan view and have portions formed along the linear portions of the second electrode, and wherein the electric fields are generated between the second electrode and the third electrode and between the second electrode and the first electrode.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: January 31, 2017
    Assignee: Japan Display Inc.
    Inventors: Joji Nishimura, Tatsuya Yata, Hayato Kurasawa
  • Publication number: 20160306231
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 20, 2016
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Patent number: 9383606
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: July 5, 2016
    Assignee: Japan Display Inc.
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Publication number: 20150277196
    Abstract: A liquid crystal display device including a plurality of sub pixel regions is provided. The device includes first and second substrates with a liquid crystal layer interposed therebetween; a first electrode formed on the liquid crystal layer side of the first substrate; a second electrode formed nearer the liquid crystal layer side than the first electrode with an insulating film interposed therebetween and having a plurality of linear portions in a region overlapping with the first electrode in plan view, a third electrode having a plurality of linear portions formed on the liquid crystal layer side of the second substrate, the linear portions of the third electrode not overlapping with the linear portions of the second electrode in plan view and have portions formed along the linear portions of the second electrode, and wherein the electric fields are generated between the second electrode and the third electrode and between the second electrode and the first electrode.
    Type: Application
    Filed: June 11, 2015
    Publication date: October 1, 2015
    Inventors: Joji NISHIMURA, Tatsuya YATA, Hayato KURASAWA
  • Publication number: 20150234241
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Application
    Filed: May 1, 2015
    Publication date: August 20, 2015
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Patent number: 9052547
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: June 9, 2015
    Assignee: Japan Display Inc.
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Patent number: 8941805
    Abstract: Provided is a liquid crystal display device including: first and second substrates with a liquid crystal layer interposed therebetween; a first electrode formed on the liquid crystal layer side of the first substrate and having linear portions; a second electrode having linear portions formed along the linear portions of the first electrode and adjacent to the linear portions of the first electrode at a gap in plan view; and a third electrode formed on the liquid crystal layer side of the second substrate and having linear portions overlapping with the linear portions of the second electrode in plan view, wherein electric fields having different directions are generated between the first electrode and the second electrode and between the first electrode and the third electrode.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: January 27, 2015
    Assignee: Japan Display West Inc.
    Inventors: Joji Nishimura, Tatsuya Yata, Hayato Kurasawa
  • Patent number: 8879015
    Abstract: A liquid crystal display device includes a first substrate, a first thin film transistor formed on the first substrate, a pixel electrode and a common electrode formed above the first thin film transistor of the first substrate, a liquid crystal layer formed above the pixel electrode and the common electrode, a second substrate provided above the pixel electrode and the common electrode via the liquid crystal layer, a shield electrode formed on a substantially entire surface of the liquid crystal layer side of the second substrate, a switch device being electrically connected to the shield electrode and the interconnection, wherein the switch device is turned on when a potential of the shield electrode is larger than the specific potential of the interconnection and a difference between the potential of the shield electrode and the specific potential of the interconnection is larger than predetermined potential.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: November 4, 2014
    Assignee: Japan Display West Inc.
    Inventors: Shuhei Yoshida, Joji Nishimura, Yukiya Hirabayashi, Hideki Uehara
  • Publication number: 20140320792
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Application
    Filed: July 10, 2014
    Publication date: October 30, 2014
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Patent number: 8804084
    Abstract: A liquid crystal display panel is provides and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer. The liquid crystal device includes on one of the pair of substrates: a lower electrode; an upper electrode formed on a surface of the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel; and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: August 12, 2014
    Assignee: Japan Display West Inc.
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Publication number: 20140146281
    Abstract: Provided is a liquid crystal display device including: first and second substrates with a liquid crystal layer interposed therebetween; a first electrode formed on the liquid crystal layer side of the first substrate and having linear portions; a second electrode having linear portions formed along the linear portions of the first electrode and adjacent to the linear portions of the first electrode at a gap in plan view; and a third electrode formed on the liquid crystal layer side of the second substrate and having linear portions overlapping with the linear portions of the second electrode in plan view, wherein electric fields having different directions are generated between the first electrode and the second electrode and between the first electrode and the third electrode.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: JAPAN DISPLAY WEST INC.
    Inventors: Joji NISHIMURA, Tatsuya YATA, Hayato KURASAWA
  • Patent number: 8363193
    Abstract: A liquid crystal display panel includes: a pair of substrates arranged to be opposite each other to sandwich a liquid crystal layer, an upper electrode in which a plurality of slit-shaped openings are provided in parallel in each of a plurality of subpixels formed in a display region being provided on one of the pair of substrates, a lower electrode being formed on the substrate through the upper electrode and an insulating film, and a shield electrode being formed on the other substrate to face the liquid crystal layer, wherein, when the pitch between adjacent slit-shaped openings is P, and the width of the upper electrode between adjacent slit-shaped openings is L, L/P is in a range of 45% to 55%.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: January 29, 2013
    Assignee: Sony Corporation
    Inventors: Shuhei Yoshida, Joji Nishimura, Toshinori Uehara
  • Patent number: 8325307
    Abstract: A liquid crystal display includes: a liquid crystal layer is interposed between a first substrate and a second substrate; a first electrode having a linear portion formed in the first substrate facing the liquid crystal layer; a second electrode having a linear portion formed adjacent to the first electrode; an insulating film disposed on the first electrode and the second electrode; a third electrode disposed on the insulting film correspond to the linear portion of the first electrode; and a fourth electrode disposed on the insulting film correspond to the linear portion of the second electrode. In the liquid crystal display, a voltage different from those of the second electrode and the third electrode is applied to the first electrode, and the first electrode and the second electrode are partially notched in the width direction of the linear portion in at least one side edge of the linear portion.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: December 4, 2012
    Assignee: Sony Corporation
    Inventor: Joji Nishimura
  • Patent number: 8325308
    Abstract: Disclosed herein is a liquid crystal display panel including: first substrate and second substrate configured to sandwich a liquid crystal layer and be disposed opposed to each other, a display sub-pixel and a viewing angle control sub-pixel being formed in the first substrate and the second substrate; a first polarizer configured to be provided on an outer surface side of the first substrate; and a second polarizer configured to be provided on an outer surface side of the second substrate and have an optical axis perpendicular to an optical axis of the first polarizer.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: December 4, 2012
    Assignee: Sony Corporation
    Inventors: Joji Nishimura, Aya Yoso, Shintaro Hama