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).
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Publication number: 20240061294Abstract: 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: ApplicationFiled: November 1, 2023Publication date: February 22, 2024Inventors: Takao Atarashiya, Hayato Kurasawa
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Patent number: 11835827Abstract: 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: GrantFiled: August 27, 2021Date of Patent: December 5, 2023Assignee: Japan Display Inc.Inventors: Takao Atarashiya, Hayato Kurasawa
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Publication number: 20210389632Abstract: 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: ApplicationFiled: August 27, 2021Publication date: December 16, 2021Inventors: Takao Atarashiya, Hayato Kurasawa
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Patent number: 11126041Abstract: 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: GrantFiled: July 11, 2019Date of Patent: September 21, 2021Assignee: Japan Display Inc.Inventors: Takao Atarashiya, Hayato Kurasawa
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Patent number: 10942400Abstract: 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: GrantFiled: July 11, 2019Date of Patent: March 9, 2021Assignee: Japan Display Inc.Inventors: Takao Atarashiya, Hayato Kurasawa
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Publication number: 20190331970Abstract: 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: ApplicationFiled: July 11, 2019Publication date: October 31, 2019Inventors: Takao Atarashiya, Hayato Kurasawa
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Publication number: 20190331969Abstract: 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: ApplicationFiled: July 11, 2019Publication date: October 31, 2019Inventors: Takao Atarashiya, Hayato Kurasawa
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Patent number: 10353250Abstract: 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: GrantFiled: August 22, 2017Date of Patent: July 16, 2019Assignee: JAPAN DISPLAY INC.Inventors: Takao Atarashiya, Hayato Kurasawa
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Publication number: 20170371214Abstract: 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: ApplicationFiled: August 22, 2017Publication date: December 28, 2017Inventors: Takao Atarashiya, Hayato Kurasawa
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Patent number: 9766515Abstract: 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: GrantFiled: March 8, 2016Date of Patent: September 19, 2017Assignee: Japan Display Inc.Inventors: Takao Atarashiya, Hayato Kurasawa
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Publication number: 20160187748Abstract: 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: ApplicationFiled: March 8, 2016Publication date: June 30, 2016Inventors: Takao Atarashiya, Hayato Kurasawa
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Patent number: 9310654Abstract: 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 inclinedType: GrantFiled: November 20, 2014Date of Patent: April 12, 2016Assignee: Japan Display Inc.Inventors: Takao Atarashiya, Hayato Kurasawa
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Publication number: 20150077690Abstract: 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 inclinedType: ApplicationFiled: November 20, 2014Publication date: March 19, 2015Inventors: Takao Atarashiya, Hayato Kurasawa
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Patent number: 8922741Abstract: 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 inclinedType: GrantFiled: March 4, 2009Date of Patent: December 30, 2014Assignee: Japan Display West Inc.Inventors: Takao Atarashiya, Hayato Kurasawa
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Patent number: 7619695Abstract: 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: GrantFiled: May 7, 2007Date of Patent: November 17, 2009Assignee: Epson Imaging Devices CorporationInventors: Shinichiro Nomura, Takayuki Kato, Takao Atarashiya, Hiroki Sugiyama, Satoshi Morita
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Patent number: 7602452Abstract: 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 draiType: GrantFiled: September 12, 2006Date of Patent: October 13, 2009Assignee: Epson Imaging Devices Corp.Inventors: Takayuki Kato, Hiroki Sugiyama, Shinichiro Nomura, Takao Atarashiya, Satoshi Morita, Takashi Sato
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Publication number: 20090225267Abstract: 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 inclinedType: ApplicationFiled: March 4, 2009Publication date: September 10, 2009Applicant: Epson Imaging Devices CorporationInventors: Takao ATARASHIYA, Hayato KURASAWA
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Patent number: 7525605Abstract: 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: GrantFiled: May 25, 2007Date of Patent: April 28, 2009Assignee: Epson Imaging Devices CorporationInventors: Shinichiro Nomura, Takayuki Kato, Takao Atarashiya, Hiroki Sugiyama, Satoshi Moritai
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Publication number: 20070273800Abstract: 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: ApplicationFiled: May 25, 2007Publication date: November 29, 2007Inventors: Shinichiro Nomura, Takayuki Kato, Takao Atarashiya, Hiroki Sugiyama, Satoshi Moritai
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Publication number: 20070263130Abstract: 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: ApplicationFiled: May 7, 2007Publication date: November 15, 2007Applicant: EPSON IMAGING DEVICES CORPORATIONInventors: Shinichiro Nomura, Takayuki Kato, Takao Atarashiya, Hiroki Sugiyama, Satoshi Morita