Patents by Inventor Keisuke TAKANO
Keisuke TAKANO 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: 20230273482Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: ApplicationFiled: May 8, 2023Publication date: August 31, 2023Applicant: Japan Display Inc.Inventor: Keisuke TAKANO
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Patent number: 11681183Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: GrantFiled: February 21, 2022Date of Patent: June 20, 2023Assignee: Japan Display Inc.Inventor: Keisuke Takano
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Publication number: 20220187640Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: ApplicationFiled: February 21, 2022Publication date: June 16, 2022Applicant: Japan Display Inc.Inventor: Keisuke TAKANO
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Patent number: 11281050Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: GrantFiled: January 22, 2021Date of Patent: March 22, 2022Assignee: Japan Display Inc.Inventor: Keisuke Takano
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Patent number: 11211597Abstract: A method for manufacturing an electrode belt that includes pressing a belt-shaped current collector foil with an electrode mixture layer along a longitudinal direction in a thickness direction of the electrode mixture layer so that the electrode mixture layer is formed on a part of the current collector foil, and stretching, by a stretching roll, a non-forming part of the current collector foil in which the electrode mixture layer is not formed and in which the current collector foil is exposed in respective ends in a width direction. The stretching roll includes a first roll opposed to the electrode mixture layer, and a pair of second rolls arranged in respective ends of the first roll in an axial direction and opposed to the non-forming part. A central axis of the first roll is deviated with respect to a central axis of the pair of second rolls.Type: GrantFiled: April 28, 2021Date of Patent: December 28, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomofumi Hirukawa, Keisuke Takano
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Patent number: 11094920Abstract: An apparatus for manufacturing a belt-like electrode including: a pair of press rolls configured to press a belt-like current collector foil with an electrode mixture layer along a longitudinal direction in a thickness direction of the electrode mixture layer; and a stretching roll configured to stretch a non-forming part which is the current collector foil without the electrode mixture layer in respective ends in a width direction is provided. The stretching roll includes: a first roll opposed to the electrode mixture layer formed in the current collector foil; and a pair of second rolls arranged in respective ends of the first roll in an axial direction and opposed to the non-forming part, and a central axis of the first roll is deviated with respect to a central axis of the pair of second rolls in a direction away from the stretched current collector foil.Type: GrantFiled: October 22, 2018Date of Patent: August 17, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomofumi Hirukawa, Keisuke Takano
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Publication number: 20210249644Abstract: An apparatus for manufacturing a belt-like electrode including: a pair of press rolls configured to press a belt-like current collector foil with an electrode mixture layer along a longitudinal direction in a thickness direction of the electrode mixture layer; and a stretching roll configured to stretch a non-forming part which is the current collector foil without the electrode mixture layer in respective ends in a width direction is provided. The stretching roll includes: a first roll opposed to the electrode mixture layer formed in the current collector foil; and a pair of second rolls arranged in respective ends of the first roll in an axial direction and opposed to the non-forming part, and a central axis of the first roll is deviated with respect to a central axis of the pair of second rolls in a direction away from the stretched current collector foil.Type: ApplicationFiled: April 28, 2021Publication date: August 12, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomofumi HIRUKAWA, Keisuke TAKANO
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Publication number: 20210149231Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: ApplicationFiled: January 22, 2021Publication date: May 20, 2021Applicant: Japan Display Inc.Inventor: Keisuke TAKANO
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Patent number: 10948781Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: GrantFiled: December 17, 2019Date of Patent: March 16, 2021Assignee: Japan Display Inc.Inventor: Keisuke Takano
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Publication number: 20200124887Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: ApplicationFiled: December 17, 2019Publication date: April 23, 2020Applicant: Japan Display Inc.Inventor: Keisuke TAKANO
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Patent number: 10551679Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: GrantFiled: February 13, 2018Date of Patent: February 4, 2020Assignee: Japan Display Inc.Inventor: Keisuke Takano
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Publication number: 20190131614Abstract: An apparatus for manufacturing a belt-like electrode including: a pair of press rolls configured to press a belt-like current collector foil with an electrode mixture layer along a longitudinal direction in a thickness direction of the electrode mixture layer; and a stretching roll configured to stretch a non-forming part which is the current collector foil without the electrode mixture layer in respective ends in a width direction is provided. The stretching roll includes: a first roll opposed to the electrode mixture layer formed in the current collector foil; and a pair of second rolls arranged in respective ends of the first roll in an axial direction and opposed to the non-forming part, and a central axis of the first roll is deviated with respect to a central axis of the pair of second rolls in a direction away from the stretched current collector foil.Type: ApplicationFiled: October 22, 2018Publication date: May 2, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomofumi HIRUKAWA, Keisuke TAKANO
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Publication number: 20180164618Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: ApplicationFiled: February 13, 2018Publication date: June 14, 2018Applicant: Japan Display Inc.Inventor: Keisuke TAKANO
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Patent number: 9933660Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: GrantFiled: July 6, 2016Date of Patent: April 3, 2018Assignee: Japan Display Inc.Inventor: Keisuke Takano
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Patent number: 9798198Abstract: According to one embodiment, a liquid crystal display device includes a first interlayer insulation film located above a first gate line and a second gate line, a first common electrode extending over the first interlayer insulation film, a second interlayer insulation film covering the first common electrode, and a first pixel electrode disposed on the second interlayer insulation film. The first common electrode extends, from a position opposed to the first pixel electrode, beyond the source line in the first direction and beyond the gate line in the second direction.Type: GrantFiled: February 26, 2014Date of Patent: October 24, 2017Assignee: Japan Display Inc.Inventors: Keisuke Takano, Jin Hirosawa, Arihiro Takeda, Hirokazu Morimoto
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Publication number: 20160313582Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: ApplicationFiled: July 6, 2016Publication date: October 27, 2016Applicant: Japan Display Inc.Inventor: Keisuke TAKANO
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Patent number: 9411201Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: GrantFiled: October 1, 2014Date of Patent: August 9, 2016Assignee: Japan Display Inc.Inventor: Keisuke Takano
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Patent number: 9086602Abstract: In one embodiment, a first substrate includes a main pixel electrode and a first alignment film formed on the main pixel electrode having vertical alignment characteristics. A second substrate includes a pair of main common electrodes and a second alignment film formed on the main common electrodes having vertical alignment characteristics. A liquid crystal layer is held between the first substrate and the second substrate having positive dielectric anisotropy. The main pixel electrode is arranged extending in a first direction. The pair of main common electrodes is arranged in the first direction, respectively, so as to sandwich the main pixel electrode.Type: GrantFiled: July 11, 2012Date of Patent: July 21, 2015Assignee: Japan Display Inc.Inventors: Keisuke Takano, Jin Hirosawa, Arihiro Takeda, Hirokazu Morimoto
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Publication number: 20150092148Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.Type: ApplicationFiled: October 1, 2014Publication date: April 2, 2015Applicant: Japan Display Inc.Inventor: Keisuke TAKANO
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Publication number: 20140253851Abstract: According to one embodiment, a liquid crystal display device includes a first interlayer insulation film located above a first gate line and a second gate line, a first common electrode extending over the first interlayer insulation film, a second interlayer insulation film covering the first common electrode, and a first pixel electrode disposed on the second interlayer insulation film. The first common electrode extends, from a position opposed to the first pixel electrode, beyond the source line in the first direction and beyond the gate line in the second direction.Type: ApplicationFiled: February 26, 2014Publication date: September 11, 2014Applicant: Japan Display Inc.Inventors: Keisuke TAKANO, Jin Hirosawa, Arihiro Takeda, Hirokazu Morimoto