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).
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Patent number: 10503019Abstract: 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: GrantFiled: January 9, 2019Date of Patent: December 10, 2019Assignee: Japan Display Inc.Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Publication number: 20190146281Abstract: 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: ApplicationFiled: January 9, 2019Publication date: May 16, 2019Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Patent number: 10197859Abstract: 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: GrantFiled: July 26, 2017Date of Patent: February 5, 2019Assignee: Japan Display Inc.Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Publication number: 20170329213Abstract: 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: ApplicationFiled: September 17, 2015Publication date: November 16, 2017Applicant: SEIKO EPSON CORPORATIONInventors: Tomohiro TAKAGI, Joji NISHIMURA, Masashi KATO, Shuho KOBAYASHI, Yuichiro INADA, Hiroyuki UMEDA
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Publication number: 20170322455Abstract: 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: ApplicationFiled: July 26, 2017Publication date: November 9, 2017Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Patent number: 9746713Abstract: 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: GrantFiled: June 20, 2016Date of Patent: August 29, 2017Assignee: Japan Display Inc.Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Patent number: 9557615Abstract: 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: GrantFiled: June 11, 2015Date of Patent: January 31, 2017Assignee: Japan Display Inc.Inventors: Joji Nishimura, Tatsuya Yata, Hayato Kurasawa
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Publication number: 20160306231Abstract: 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: ApplicationFiled: June 20, 2016Publication date: October 20, 2016Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Patent number: 9383606Abstract: 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: GrantFiled: May 1, 2015Date of Patent: July 5, 2016Assignee: Japan Display Inc.Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Publication number: 20150277196Abstract: 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: ApplicationFiled: June 11, 2015Publication date: October 1, 2015Inventors: Joji NISHIMURA, Tatsuya YATA, Hayato KURASAWA
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Publication number: 20150234241Abstract: 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: ApplicationFiled: May 1, 2015Publication date: August 20, 2015Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Patent number: 9052547Abstract: 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: GrantFiled: July 10, 2014Date of Patent: June 9, 2015Assignee: Japan Display Inc.Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Patent number: 8941805Abstract: 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: GrantFiled: January 31, 2014Date of Patent: January 27, 2015Assignee: Japan Display West Inc.Inventors: Joji Nishimura, Tatsuya Yata, Hayato Kurasawa
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Patent number: 8879015Abstract: 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: GrantFiled: December 9, 2009Date of Patent: November 4, 2014Assignee: Japan Display West Inc.Inventors: Shuhei Yoshida, Joji Nishimura, Yukiya Hirabayashi, Hideki Uehara
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Publication number: 20140320792Abstract: 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: ApplicationFiled: July 10, 2014Publication date: October 30, 2014Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Patent number: 8804084Abstract: 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: GrantFiled: December 22, 2010Date of Patent: August 12, 2014Assignee: Japan Display West Inc.Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
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Publication number: 20140146281Abstract: 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: ApplicationFiled: January 31, 2014Publication date: May 29, 2014Applicant: JAPAN DISPLAY WEST INC.Inventors: Joji NISHIMURA, Tatsuya YATA, Hayato KURASAWA
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Patent number: 8363193Abstract: 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: GrantFiled: July 1, 2010Date of Patent: January 29, 2013Assignee: Sony CorporationInventors: Shuhei Yoshida, Joji Nishimura, Toshinori Uehara
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Patent number: 8325307Abstract: 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: GrantFiled: October 1, 2009Date of Patent: December 4, 2012Assignee: Sony CorporationInventor: Joji Nishimura
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Patent number: 8325308Abstract: 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: GrantFiled: November 11, 2010Date of Patent: December 4, 2012Assignee: Sony CorporationInventors: Joji Nishimura, Aya Yoso, Shintaro Hama