Patents by Inventor Yoji Nagase

Yoji Nagase 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: 20230418109
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Application
    Filed: June 28, 2023
    Publication date: December 28, 2023
    Inventors: Shunichi SUWA, Masashi MIYAKAWA, Chikashi KOBAYASHI, Yoji NAGASE
  • Patent number: 11726366
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: August 15, 2023
    Assignee: SATURN LICENSING LLC
    Inventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
  • Publication number: 20210373389
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 2, 2021
    Applicant: SATURN LICENSING LLC
    Inventors: Shunichi SUWA, Masashi MIYAKAWA, Chikashi KOBAYASHI, YOJI NAGASE
  • Patent number: 11119360
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: September 14, 2021
    Assignee: SATURN LICENSING LLC
    Inventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
  • Publication number: 20200333667
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: SHUNICHI SUWA, MASASHI MIYAKAWA, CHIKASHI KOBAYASHI, YOJI NAGASE
  • Patent number: 10754200
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: August 25, 2020
    Assignee: SONY CORPORATION
    Inventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
  • Patent number: 10120242
    Abstract: A liquid crystal display device includes a plurality of arranged pixels. Each of the pixels includes: a first substrate and a second substrate; a first electrode provided on a counter face of the first substrate, the counter face facing the second substrate; a second electrode provided on a counter face of the second substrate, the counter face facing the first substrate; and a liquid crystal layer that contains liquid crystal molecules, and is sandwiched between the first substrate and the second substrate. The liquid crystal molecules are given a pre-tilt. The first electrode includes a base layer 150 that contains a plurality of recesses and protrusions, and transparent conductive material layers 135 and 145. The first transparent conductive material layer 135 connected to a first power supply portion is formed on protrusion top faces 151 of the base layer 150.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: November 6, 2018
    Assignee: SONY CORPORATION
    Inventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase, Kunihiko Nagamine
  • Patent number: 10082702
    Abstract: A liquid-crystal display apparatus includes a plurality of rectangular pixels. Each pixel includes a first electrode and a second electrode. A slit region and a concave and convex portion are formed in the first electrode. It further includes a control circuit. The plurality of pixels are constituted of a first pixel group and a second pixel group. First data lines and for applying a voltage on the first electrode are provided closer to the first substrate than the first electrode. In each pixel that constitutes the first pixel group, a second data line extension extending from a second data line is provided adjacent to a first data line. In each pixel that constitutes the second pixel group, a first data line extension extending from the first data line is provided adjacent to the second data line.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: September 25, 2018
    Assignee: Sony Corporation
    Inventors: Chikashi Kobayashi, Shunichi Suwa, Masashi Miyakawa, Yoji Nagase, Sumito Shiina, Seiji Shibahara, Hiroki Takahashi, Hiromasa Mitani, Kunihiko Nagamine, Koji Hidaka, Masahiko Mizuki
  • Publication number: 20180052344
    Abstract: A liquid crystal display device includes a plurality of arranged pixels. Each of the pixels includes: a first substrate and a second substrate; a first electrode provided on a counter face of the first substrate, the counter face facing the second substrate; a second electrode provided on a counter face of the second substrate, the counter face facing the first substrate; and a liquid crystal layer that contains liquid crystal molecules, and is sandwiched between the first substrate and the second substrate. The liquid crystal molecules are given a pre-tilt. The first electrode includes a base layer 150 that contains a plurality of recesses and protrusions, and transparent conductive material layers 135 and 145. The first transparent conductive material layer 135 connected to a first power supply portion is formed on protrusion top faces 151 of the base layer 150.
    Type: Application
    Filed: February 17, 2016
    Publication date: February 22, 2018
    Applicant: SONY CORPORATION
    Inventors: SHUNICHI SUWA, MASASHI MIYAKAWA, CHIKASHI KOBAYASHI, YOJI NAGASE, KUNIHIKO NAGAMINE
  • Publication number: 20170343861
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Application
    Filed: August 16, 2017
    Publication date: November 30, 2017
    Inventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
  • Publication number: 20170285410
    Abstract: A liquid-crystal display apparatus includes a plurality of rectangular pixels 10. Each pixel 10 includes a first electrode 22 and a second electrode. A slit region and a concave and convex portion are formed in the first electrode 22. It further includes a control circuit. The plurality of pixels are constituted of a first pixel group and a second pixel group. First data lines 41 and 42 for applying a voltage on the first electrode 22 are provided closer to the first substrate than the first electrode 22. In each pixel that constitutes the first pixel group, a second data line extension 42A extending from a second data line 42 is provided adjacent to a first data line 41. In each pixel that constitutes the second pixel group, a first data line extension 41A extending from the first data line 41 is provided adjacent to the second data line 42.
    Type: Application
    Filed: August 7, 2015
    Publication date: October 5, 2017
    Applicant: Sony Corporation
    Inventors: CHIKASHI KOBAYASHI, SHUNICHI SUWA, MASASHI MIYAKAWA, YOJI NAGASE, SUMITO SHIINA, SEIJI SHIBAHARA, HIROKI TAKAHASHI, HIROMASA MITANI, KUNIHIKO NAGAMINE, KOJI HIDAKA, MASAHIKO MIZUKI
  • Patent number: 9753330
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: September 5, 2017
    Assignee: Sony Corporation
    Inventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
  • Patent number: 9507208
    Abstract: A liquid crystal display capable of realizing a high transmittance while maintaining favorable voltage response characteristics, and a method of manufacturing the same. The liquid crystal display includes: a liquid crystal layer; a first substrate and a second substrate arranged to face each other with the liquid crystal layer in between; a plurality of pixel electrodes provided on a liquid crystal layer side of the first substrate; and an opposite electrode provided on the second substrate to face the plurality of pixel electrodes. One or both of a face on the liquid crystal layer side of the pixel electrode, and a face on the liquid crystal layer side of the opposite electrode includes a concavo-convex structure.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: November 29, 2016
    Assignee: SONY CORPORATION
    Inventors: Masahiko Nakamura, Shunichi Suwa, Masashi Miyakawa, Yuichi Inoue, Tadaaki Isozaki, Yoji Nagase
  • Patent number: 9146422
    Abstract: A liquid crystal display capable of realizing a high transmittance while maintaining favorable voltage response characteristics, and a method of manufacturing the same are provided. The liquid crystal display includes: a liquid crystal layer; a first substrate and a second substrate arranged to face each other with the liquid crystal layer in between; a plurality of pixel electrodes provided on a liquid crystal layer side of the first substrate; and an opposite electrode provided on the second substrate to face the plurality of pixel electrodes. One or both of a face on the liquid crystal layer side of the pixel electrode, and a face on the liquid crystal layer side of the opposite electrode includes a concavo-convex structure.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: September 29, 2015
    Assignee: SONY CORPORATION
    Inventors: Masahiko Nakamura, Shunichi Suwa, Masashi Miyakawa, Yuichi Inoue, Tadaaki Isozaki, Yoji Nagase
  • Publication number: 20150198836
    Abstract: A liquid crystal display capable of realizing a high transmittance while maintaining favorable voltage response characteristics, and a method of manufacturing the same. The liquid crystal display includes: a liquid crystal layer; a first substrate and a second substrate arranged to face each other with the liquid crystal layer in between; a plurality of pixel electrodes provided on a liquid crystal layer side of the first substrate; and an opposite electrode provided on the second substrate to face the plurality of pixel electrodes. One or both of a face on the liquid crystal layer side of the pixel electrode, and a face on the liquid crystal layer side of the opposite electrode includes a concavo-convex structure.
    Type: Application
    Filed: March 27, 2015
    Publication date: July 16, 2015
    Inventors: Masahiko Nakamura, Shunichi Suwa, Masashi Miyakawa, Yuichi Inoue, Tadaaki Isozaki, Yoji Nagase
  • Patent number: 8754995
    Abstract: A liquid-crystal display includes scan lines arranged on a substrate and also functioning as a gate of a thin-film transistor, a main line arranged between the scan lines, source lines arranged in a direction intersecting the scan lines, a picture-element electrode arranged between the source lines and between the scan lines, a storage capacitor formed with the main line, an insulation layer, and an intermediate electrode, a drain line connected to a drain of the thin-film transistor and the intermediate electrode. The main line includes a first transparent electrode and a first metallic line, which is formed on the first transparent electrode, is narrower and has a lower resistance than the first transparent electrode. The drain line includes a second transparent electrode and a second metallic line which is narrower and has a lower resistance than the second transparent electrode. The intermediate electrode is formed by extending the second transparent electrode.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: June 17, 2014
    Assignee: Sony Corporation
    Inventors: Hiroki Takahashi, Yoji Nagase
  • Publication number: 20140125896
    Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.
    Type: Application
    Filed: November 1, 2013
    Publication date: May 8, 2014
    Applicant: Sony Corporation
    Inventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
  • Publication number: 20110317104
    Abstract: A liquid crystal display capable of realizing a high transmittance while maintaining favorable voltage response characteristics, and a method of manufacturing the same are provided. The liquid crystal display includes: a liquid crystal layer; a first substrate and a second substrate arranged to face each other with the liquid crystal layer in between; a plurality of pixel electrodes provided on a liquid crystal layer side of the first substrate; and an opposite electrode provided on the second substrate to face the plurality of pixel electrodes. One or both of a face on the liquid crystal layer side of the pixel electrode, and a face on the liquid crystal layer side of the opposite electrode includes a concavo-convex structure.
    Type: Application
    Filed: March 30, 2011
    Publication date: December 29, 2011
    Applicant: SONY CORPORATION
    Inventors: Masahiko Nakamura, Shunichi Suwa, Masashi Miyakawa, Yuichi Inoue, Tadaaki Isozaki, Yoji Nagase
  • Publication number: 20100091211
    Abstract: A liquid-crystal display includes scan lines arranged on a substrate and also functioning as a gate of a thin-film transistor, a main line arranged between the scan lines, source lines arranged in a direction intersecting the scan lines, a picture-element electrode arranged between the source lines and between the scan lines, a storage capacitor formed with the main line, an insulation layer, and an intermediate electrode, a drain line connected to a drain of the thin-film transistor and the intermediate electrode. The main line includes a first transparent electrode and a first metallic line, which is formed on the first transparent electrode, is narrower and has a lower resistance than the first transparent electrode. The drain line includes a second transparent electrode and a second metallic line which is narrower and has a lower resistance than the second transparent electrode. The intermediate electrode is formed by extending the second transparent electrode.
    Type: Application
    Filed: October 14, 2009
    Publication date: April 15, 2010
    Inventors: Hiroki TAKAHASHI, Yoji NAGASE
  • Publication number: 20090059152
    Abstract: A liquid crystal display capable of narrowing a slit between pixel electrodes and preventing a short circuit defect is provided. The liquid crystal display includes a plurality of pixels arranged in a matrix form, in which each of the pixels includes: a plurality of non-linear elements formed on a substrate; a plurality of subpixel electrodes electrically connected to the plurality of non-linear elements, respectively; and an inter-subpixel insulating layer formed between at least two subpixel electrode out of the plurality of subpixel electrodes.
    Type: Application
    Filed: September 4, 2008
    Publication date: March 5, 2009
    Applicant: SONY CORPORATION
    Inventors: Tsuyoshi Kamada, Yoji Nagase