Patents by Inventor Takao Atarashiya

Takao Atarashiya 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: 20240061294
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Application
    Filed: November 1, 2023
    Publication date: February 22, 2024
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Patent number: 11835827
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 5, 2023
    Assignee: Japan Display Inc.
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Publication number: 20210389632
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Patent number: 11126041
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: September 21, 2021
    Assignee: Japan Display Inc.
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Patent number: 10942400
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: March 9, 2021
    Assignee: Japan Display Inc.
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Publication number: 20190331970
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Application
    Filed: July 11, 2019
    Publication date: October 31, 2019
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Publication number: 20190331969
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Application
    Filed: July 11, 2019
    Publication date: October 31, 2019
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Patent number: 10353250
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: July 16, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Publication number: 20170371214
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Application
    Filed: August 22, 2017
    Publication date: December 28, 2017
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Patent number: 9766515
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: September 19, 2017
    Assignee: Japan Display Inc.
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Publication number: 20160187748
    Abstract: A liquid crystal includes first and second substrates, the first substrate including intersecting data lines and scan lines. A liquid crystal layer is sandwiched therebetween. Also, a plurality of sub-pixels districted by data lines and gate lines, and arranged along the long-axis and the short-axis directions in a matrix. A pixel electrode in the sub-pixels includes a central portion. A common electrode including linear electrodes arranged along the data lines and disposed with gaps therebetween. Sub-pixels are bent at the center portion, such that the linear electrodes or the gaps in both sides of the sub-pixels are inclined in opposite directions with respect to the long-axis direction. At least one of the linear electrodes or at least one of the gaps has a bent portion at the central portion of the respective pixel electrode. The common electrode is provided on liquid crystal layer side over the pixel electrode.
    Type: Application
    Filed: March 8, 2016
    Publication date: June 30, 2016
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Patent number: 9310654
    Abstract: A liquid crystal device is provided which includes: a first substrate and a second substrate that are disposed to face each other; a liquid crystal layer that is sandwiched between the first substrate and the second substrate; a first electrode that is provided on the liquid crystal layer side of the first substrate; an insulating layer that is provided on the liquid crystal layer side of the first electrode; and a second electrode that is provided on the liquid crystal layer side of the insulating layer, in which the first substrate has formed thereon a plurality of data lines and a plurality of scan lines which intersect each other; sub-pixels are formed at regions surrounded by the data lines and the scan lines; the second electrode has a plurality of linear electrodes that is disposed with a gap therebetween; each of the plurality of linear electrodes extends in a long-axis direction of the sub-pixels and has at least one bent portion; the bent portion has such a shape that both sides thereof are inclined
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: April 12, 2016
    Assignee: Japan Display Inc.
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Publication number: 20150077690
    Abstract: A liquid crystal device is provided which includes: a first substrate and a second substrate that are disposed to face each other; a liquid crystal layer that is sandwiched between the first substrate and the second substrate; a first electrode that is provided on the liquid crystal layer side of the first substrate; an insulating layer that is provided on the liquid crystal layer side of the first electrode; and a second electrode that is provided on the liquid crystal layer side of the insulating layer, in which the first substrate has formed thereon a plurality of data lines and a plurality of scan lines which intersect each other; sub-pixels are formed at regions surrounded by the data lines and the scan lines; the second electrode has a plurality of linear electrodes that is disposed with a gap therebetween; each of the plurality of linear electrodes extends in a long-axis direction of the sub-pixels and has at least one bent portion; the bent portion has such a shape that both sides thereof are inclined
    Type: Application
    Filed: November 20, 2014
    Publication date: March 19, 2015
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Patent number: 8922741
    Abstract: A liquid crystal device is provided which includes: a first substrate and a second substrate that are disposed to face each other; a liquid crystal layer that is sandwiched between the first substrate and the second substrate; a first electrode that is provided on the liquid crystal layer side of the first substrate; an insulating layer that is provided on the liquid crystal layer side of the first electrode; and a second electrode that is provided on the liquid crystal layer side of the insulating layer, in which the first substrate has formed thereon a plurality of data lines and a plurality of scan lines which intersect each other; sub-pixels are formed at regions surrounded by the data lines and the scan lines; the second electrode has a plurality of linear electrodes that is disposed with a gap therebetween; each of the plurality of linear electrodes extends in a long-axis direction of the sub-pixels and has at least one bent portion; the bent portion has such a shape that both sides thereof are inclined
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: December 30, 2014
    Assignee: Japan Display West Inc.
    Inventors: Takao Atarashiya, Hayato Kurasawa
  • Patent number: 7619695
    Abstract: A liquid crystal display 10 of the invention has a transparent substrate 11 on which are provided multiple signal lines 17, scan lines 16 and auxiliary capacity lines 18, plus TFTs and pixel electrodes 20 that are electrically coupled to the TFTs' drain electrodes D. The auxiliary capacity lines 18 are formed with an Al—Nd alloy layer coated with a layer of molybdenum. Each pixel region, except for the auxiliary capacity lower electrode 18a on the auxiliary capacity line 18, is coated over by a first insulating film 25 and by a second insulating film 26 that is thinner than the first insulating film 25. Further, the auxiliary capacity lower electrodes 18a are coated over by the second insulating film 26, and auxiliary capacity upper electrodes 18b are provided on the surface of the second insulating film 26 at the auxiliary capacity lower electrodes 18a.
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: November 17, 2009
    Assignee: Epson Imaging Devices Corporation
    Inventors: Shinichiro Nomura, Takayuki Kato, Takao Atarashiya, Hiroki Sugiyama, Satoshi Morita
  • Patent number: 7602452
    Abstract: A liquid crystal display device 10 includes: a transparent substrate 11; a plurality of signal lines 17 and scan lines 16 arranged on the transparent substrate 11 in a matrix; a plurality of auxiliary capacitor lines 18 provided between the scan lines 16 so as to be in parallel with the scan lines 16; thin film transistors (TFTs) each provided in a vicinity of an intersection of the signal lines 17 and scan lines 16; and pixel electrodes 20 arranged in respective positions defined by the signal lines 17 and the scan lines 16 and each electrically connected to a drain electrode D of the thin film transistor (TFT); in which the thin film transistor (TFT)'s gate electrode G and the scan line 16 are covered by a gate insulating film formed by an insulating film (a first layer) 25 and an insulating layer (a second layer) 26, and the drain electrode D of the thin film transistor (TFT) extends to overlie an auxiliary capacitor electrode 18a, with the insulating layer (the second layer) 26 interposed between the drai
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: October 13, 2009
    Assignee: Epson Imaging Devices Corp.
    Inventors: Takayuki Kato, Hiroki Sugiyama, Shinichiro Nomura, Takao Atarashiya, Satoshi Morita, Takashi Sato
  • Publication number: 20090225267
    Abstract: A liquid crystal device is provided which includes: a first substrate and a second substrate that are disposed to face each other; a liquid crystal layer that is sandwiched between the first substrate and the second substrate; a first electrode that is provided on the liquid crystal layer side of the first substrate; an insulating layer that is provided on the liquid crystal layer side of the first electrode; and a second electrode that is provided on the liquid crystal layer side of the insulating layer, in which the first substrate has formed thereon a plurality of data lines and a plurality of scan lines which intersect each other; sub-pixels are formed at regions surrounded by the data lines and the scan lines; the second electrode has a plurality of linear electrodes that is disposed with a gap therebetween; each of the plurality of linear electrodes extends in a long-axis direction of the sub-pixels and has at least one bent portion; the bent portion has such a shape that both sides thereof are inclined
    Type: Application
    Filed: March 4, 2009
    Publication date: September 10, 2009
    Applicant: Epson Imaging Devices Corporation
    Inventors: Takao ATARASHIYA, Hayato KURASAWA
  • Patent number: 7525605
    Abstract: An auxiliary capacitance line and a terminal portion of a liquid crystal display device are made of an Al or Al alloy layer and an Mo layer. The edge portions of a lower auxiliary capacitance electrode and the terminal portion are sequentially coated with a first insulating film, a second insulating film that is thinner than the first insulating film, and a third insulating film. The lower auxiliary capacitance electrode is coated with the second insulating film, and an upper auxiliary capacitance electrode is laid on the surface of the second insulating film on the lower auxiliary capacitance electrode.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: April 28, 2009
    Assignee: Epson Imaging Devices Corporation
    Inventors: Shinichiro Nomura, Takayuki Kato, Takao Atarashiya, Hiroki Sugiyama, Satoshi Moritai
  • Publication number: 20070273800
    Abstract: An auxiliary capacitance line and a terminal portion of a liquid crystal display device are made of an Al or Al alloy layer and an Mo layer. The edge portions of a lower auxiliary capacitance electrode and the terminal portion are sequentially coated with a first insulating film, a second insulating film that is thinner than the first insulating film, and a third insulating film. The lower auxiliary capacitance electrode is coated with the second insulating film, and an upper auxiliary capacitance electrode is laid on the surface of the second insulating film on the lower auxiliary capacitance electrode.
    Type: Application
    Filed: May 25, 2007
    Publication date: November 29, 2007
    Inventors: Shinichiro Nomura, Takayuki Kato, Takao Atarashiya, Hiroki Sugiyama, Satoshi Moritai
  • Publication number: 20070263130
    Abstract: A liquid crystal display 10 of the invention has a transparent substrate 11 on which are provided multiple signal lines 17, scan lines 16 and auxiliary capacity lines 18, plus TFTs and pixel electrodes 20 that are electrically coupled to the TFTs' drain electrodes D. The auxiliary capacity lines 18 are formed with an Al—Nd alloy layer coated with a layer of molybdenum. Each pixel region, except for the auxiliary capacity lower electrode 18a on the auxiliary capacity line 18, is coated over by a first insulating film 25 and by a second insulating film 26 that is thinner than the first insulating film 25. Further, the auxiliary capacity lower electrodes 18a are coated over by the second insulating film 26, and auxiliary capacity upper electrodes 18b are provided on the surface of the second insulating film 26 at the auxiliary capacity lower electrodes 18a.
    Type: Application
    Filed: May 7, 2007
    Publication date: November 15, 2007
    Applicant: EPSON IMAGING DEVICES CORPORATION
    Inventors: Shinichiro Nomura, Takayuki Kato, Takao Atarashiya, Hiroki Sugiyama, Satoshi Morita