Patents by Inventor Kazuya DAISHI
Kazuya DAISHI 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: 10976590Abstract: According to one embodiment, a liquid crystal display device includes a pair of substrates, a light-shielding member provided to define pixels, a liquid crystal layer located between the pair of substrates, and a spacer provided to form a gap for the liquid crystal layer. The light-shielding member includes first and second light-shielding members extending in a second direction, and a third light-shielding member extending in a first direction. The first light-shielding member includes a first end portion connected to the third light-shielding member. The second light-shielding member includes a second end portion connected to the third light-shielding member. The spacer is provided at a position overlapping the first end portion and the second end portion.Type: GrantFiled: June 5, 2020Date of Patent: April 13, 2021Assignee: Japan Display Inc.Inventor: Kazuya Daishi
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Publication number: 20200387028Abstract: According to one embodiment, a liquid crystal display device includes a pair of substrates, a light-shielding member provided to define pixels, a liquid crystal layer located between the pair of substrates, and a spacer provided to form a gap for the liquid crystal layer. The light-shielding member includes first and second light-shielding members extending in a second direction, and a third light-shielding member extending in a first direction. The first light-shielding member includes a first end portion connected to the third light-shielding member. The second light-shielding member includes a second end portion connected to the third light-shielding member. The spacer is provided at a position overlapping the first end portion and the second end portion.Type: ApplicationFiled: June 5, 2020Publication date: December 10, 2020Inventor: Kazuya DAISHI
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Patent number: 10054823Abstract: A liquid crystal display includes a first substrate and a second substrate bonded to each other at their periphery by a sealant, with liquid crystal sealed between the first substrate and a second substrate, and has a display region. The first substrate is formed, between the sealant and an end portion of the display region, with a wall that partitions the liquid crystal into a portion on the display region side and a portion on the sealant side. A gap exists between the tip of the wall and the second substrate side. In the liquid crystal display device, a liquid crystal portion that has been contaminated is restrained from moving into the display region.Type: GrantFiled: December 12, 2016Date of Patent: August 21, 2018Assignee: Japan Display Inc.Inventors: Nobuko Fukuoka, Yusuke Morita, Kazuya Daishi
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Patent number: 10025144Abstract: In a liquid crystal display device, a first interlayer insulating film is arranged on a gate line and first, second and third source lines. A first common electrode includes a first sub-common electrode on the first interlayer insulating film and facing the gate line. A second insulating film covers the first common electrode. A first main pixel electrode extends on the second interlayer insulating film between the first source line and the second source line. A second main pixel electrode extends on the second interlayer insulating film between the second source line and the third source line. A second common electrode includes a second sub-common electrode extending on the second interlayer insulating film between the first source line and the second source line so as to face the first sub-common electrode, and is cut out between the second source line and the third source line.Type: GrantFiled: August 1, 2016Date of Patent: July 17, 2018Assignee: Japan Display Inc.Inventor: Kazuya Daishi
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Patent number: 9946117Abstract: According to one embodiment, a display device includes a first substrate including a display area and a terminal area, a second substrate opposed to the display area, a first sealing member formed between the first and second substrate and surrounding the display area, a second sealing member formed between the first sealing member and a first edge of the second substrate located at the terminal area side, and a first spacer formed between the first and second sealing member and formed at least in contact with the second sealing member. The first spacer includes a first side surface at the second sealing member side and a second side surface at the first sealing member side, and the first side surface at least partly projects toward the first edge.Type: GrantFiled: June 6, 2016Date of Patent: April 17, 2018Assignee: Japan Display Inc.Inventors: Yusuke Morita, Nobuko Fukuoka, Kazuya Daishi
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Patent number: 9810959Abstract: A liquid crystal display including first and second substrates with a liquid crystal layer therebetween. The first substrate includes a semiconductor layer electrode electrically connected to a first source line on a first side of a position where the semiconductor layer intersects with a gate wire in a second direction, and to a contact portion on a second side of the position. A contact portion is arranged nearer the gate line than the main pixel electrode. The main pixel electrode extends from the contact portion in the second direction and is located nearer the second side than the first side. The contact portion is connected to the main pixel electrode only by a first portion of the main pixel electrode.Type: GrantFiled: August 10, 2015Date of Patent: November 7, 2017Assignee: Japan Display Inc.Inventors: Katsuhiro Hoshina, Tetsuya Iizuka, Masato Nakamura, Kazuya Daishi
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Patent number: 9810936Abstract: According to one embodiment, a display panel includes an array substrate and a counter substrate. The array substrate includes an inorganic insulating film, a first wiring line, a second wiring line, an organic insulating film, a slit and a moisture-proof member. The slit is formed to extend through the organic insulating film between the first wiring line and the second wiring line. The moisture-proof member is filled in the slit and is in contact with the inorganic insulating film.Type: GrantFiled: September 5, 2013Date of Patent: November 7, 2017Assignee: Japan Display Inc.Inventors: Kazuya Daishi, Tetsuya Iizuka
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Publication number: 20170176788Abstract: A liquid crystal display includes a first substrate and a second substrate bonded to each other at their periphery by a sealant, with liquid crystal sealed between the first substrate and a second substrate, and has a display region. The first substrate is formed, between the sealant and an end portion of the display region, with a wall that partitions the liquid crystal into a portion on the display region side and a portion on the sealant side. A gap exists between the tip of the wall and the second substrate side. In the liquid crystal display device, a liquid crystal portion that has been contaminated is restrained from moving into the display region.Type: ApplicationFiled: December 12, 2016Publication date: June 22, 2017Inventors: Nobuko FUKUOKA, Yusuke MORITA, Kazuya DAISHI
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Patent number: 9588380Abstract: A liquid crystal display device, including: an array substrate including: a first pixel electrode, first and second source lines arranged in a first direction and extending in a second crossing direction, a first gate line, an auxiliary capacitance line, a second gate line arranged in the second direction and extending in the first direction, and a switching element including a semiconductor layer which includes a first portion overlapping the first source line and extending in the second direction and a second portion overlapping the auxiliary capacitance line and extending in the first direction. The auxiliary capacitance line includes a branch portion extending along the first source line toward the second gate line and formed on a layer between the first source line and the semiconductor layer. The array substrate includes first and second shield layers, and the first shield layer formed larger than the second shield layer.Type: GrantFiled: June 27, 2014Date of Patent: March 7, 2017Assignee: Japan Display Inc.Inventors: Kazuya Daishi, Masato Nakamura
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Publication number: 20170017101Abstract: According to one embodiment, a display device includes a first substrate including a display area and a terminal area, a second substrate opposed to the display area, a first sealing member formed between the first and second substrate and surrounding the display area, a second sealing member formed between the first sealing member and a first edge of the second substrate located at the terminal area side, and a first spacer formed between the first and second sealing member and formed at least in contact with the second sealing member. The first spacer includes a first side surface at the second sealing member side and a second side surface at the first sealing member side, and the first side surface at least partly projects toward the first edge.Type: ApplicationFiled: June 6, 2016Publication date: January 19, 2017Applicant: Japan Display Inc.Inventors: Yusuke MORITA, Nobuko FUKUOKA, Kazuya DAISHI
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Publication number: 20160357074Abstract: In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. In the first substrate, gate lines extend in a first direction, and a first source line and a second source line extend in a second direction orthogonally crossing the first direction. A pixel electrode having a first belt-like main electrode is arranged approximately in a central portion between the first source line and the second source line and extending in the second direction. A first belt-like sub-electrode covers the gate line between the first source line and the second source line and extending in the first direction. The second substrate includes a counter electrode having a second main electrode arranged on the first and second source lines and extending in the second direction. A liquid crystal layer is held between the first substrate and the second substrate.Type: ApplicationFiled: June 14, 2016Publication date: December 8, 2016Applicant: Japan Display Inc.Inventors: Jin HIROSAWA, Arihiro TAKEDA, Nobuko FUKUOKA, Yusuke MORITA, Kazuya DAISHI
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Publication number: 20160342041Abstract: In a liquid crystal display device, a first interlayer insulating film is arranged on a gate line and first, second and third source lines. A first common electrode includes a first sub-common electrode on the first interlayer insulating film and facing the gate line. A second insulating film covers the first common electrode. A first main pixel electrode extends on the second interlayer insulating film between the first source line and the second source line. A second main pixel electrode extends on the second interlayer insulating film between the second source line and the third source line. A second common electrode includes a second sub-common electrode extending on the second interlayer insulating film between the first source line and the second source line so as to face the first sub-common electrode, and is cut out between the second source line and the third source line.Type: ApplicationFiled: August 1, 2016Publication date: November 24, 2016Applicant: Japan Display Inc.Inventor: Kazuya DAISHI
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Patent number: 9429798Abstract: In a liquid crystal display device, a first interlayer insulating film is arranged on a gate line and first, second and third source lines. A first common electrode includes a first sub-common electrode on the first interlayer insulating film and facing the gate line. A second insulating film covers the first common electrode. A first main pixel electrode extends on the second interlayer insulating film between the first source line and the second source line. A second main pixel electrode extends on the second interlayer insulating film between the second source line and the third source line. A second common electrode includes a second sub-common electrode extending on the second interlayer insulating film between the first source line and the second source line so as to face the first sub-common electrode, and is cut out between the second source line and the third source line.Type: GrantFiled: March 17, 2015Date of Patent: August 30, 2016Assignee: Japan Display Inc.Inventor: Kazuya Daishi
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Patent number: 9395586Abstract: In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. In the first substrate, gate lines extend in a first direction, and a first source line and a second source line extend in a second direction orthogonally crossing the first direction. A pixel electrode having a first belt-like main electrode is arranged approximately in a central portion between the first source line and the second source line and extending in the second direction. A first belt-like sub-electrode covers the gate line between the first source line and the second source line and extending in the first direction. The second substrate includes a counter electrode having a second main electrode arranged on the first and second source lines and extending in the second direction. A liquid crystal layer is held between the first substrate and the second substrate.Type: GrantFiled: September 23, 2011Date of Patent: July 19, 2016Assignee: Japan Display Inc.Inventors: Jin Hirosawa, Arihiro Takeda, Nobuko Fukuoka, Yusuke Morita, Kazuya Daishi
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Patent number: 9235094Abstract: In one embodiment, a liquid crystal display device comprises a pixel electrode including a first main electrode disposed between a first line and a second line and extending like a belt in a first extending direction. A first counter electrode includes a second main electrode extending like a belt in the first extending direction, a second counter electrode having a third main electrode extending like a belt in the first extending direction. The second and third main electrodes are disposed on both sides of the first main electrode, and an initial alignment direction of the liquid crystal molecules is parallel with a direction passing through an interstice between the first end side of the first main electrode and the second line, and through an interstice between the second end side of the first main electrode and the first line.Type: GrantFiled: October 6, 2014Date of Patent: January 12, 2016Assignee: JAPAN DISPLAY INC.Inventors: Yusuke Morita, Jin Hirosawa, Arihiro Takeda, Nobuko Fukuoka, Keiji Tago, Kazuya Daishi
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Publication number: 20150346567Abstract: According to one embodiment, a liquid crystal display includes a first substrate including a gate wire, a source wire intersecting with the gate wire, a pixel electrode with a contact portion and a main pixel electrode extending from the contact portion, and a semiconductor layer arranged under the source wire and intersecting with the gate wire and bending under the source wire so as to extend to below the contact portion, a second substrate opposed to the array substrate, and a liquid crystal layer between the first and second substrate. The semiconductor layer is electrically connected to the source wire on one side of a position of the gate wire and to the contact portion on another side of the gate wire.Type: ApplicationFiled: August 10, 2015Publication date: December 3, 2015Applicant: Japan Display Inc.Inventors: Katsuhiro HOSHINA, Tetsuya IIZUKA, Masato NAKAMURA, Kazuya Daishi
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Publication number: 20150268521Abstract: In a liquid crystal display device, a first interlayer insulating film is arranged on a gate line and first, second and third source lines. A first common electrode includes a first sub-common electrode on the first interlayer insulating film and facing the gate line. A second insulating film covers the first common electrode. A first main pixel electrode extends on the second interlayer insulating film between the first source line and the second source line. A second main pixel electrode extends on the second interlayer insulating film between the second source line and the third source line. A second common electrode includes a second sub-common electrode extending on the second interlayer insulating film between the first source line and the second source line so as to face the first sub-common electrode, and is cut out between the second source line and the third source line.Type: ApplicationFiled: March 17, 2015Publication date: September 24, 2015Applicant: Japan Display Inc.Inventor: Kazuya DAISHI
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Patent number: 9140943Abstract: According to one embodiment, a liquid crystal display includes a first substrate including a gate wire, a source wire intersecting with the gate wire, a pixel electrode with a contact portion and a main pixel electrode extending from the contact portion, and a semiconductor layer arranged under the source wire and intersecting with the gate wire and bending under the source wire so as to extend to below the contact portion, a second substrate opposed to the array substrate, and a liquid crystal layer between the first and second substrate. The semiconductor layer is electrically connected to the source wire on one side of a position of the gate wire and to the contact portion on another side of the gate wire.Type: GrantFiled: February 25, 2015Date of Patent: September 22, 2015Assignee: JAPAN DISPLAY INC.Inventors: Katsuhiro Hoshina, Tetsuya Iizuka, Masato Nakamura, Kazuya Daishi
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Publication number: 20150168791Abstract: According to one embodiment, a liquid crystal display includes a first substrate including a gate wire, a source wire intersecting with the gate wire, a pixel electrode with a contact portion and a main pixel electrode extending from the contact portion, and a semiconductor layer arranged under the source wire and intersecting with the gate wire and bending under the source wire so as to extend to below the contact portion, a second substrate opposed to the array substrate, and a liquid crystal layer between the first and second substrate. The semiconductor layer is electrically connected to the source wire on one side of a position of the gate wire and to the contact portion on another side of the gate wire.Type: ApplicationFiled: February 25, 2015Publication date: June 18, 2015Applicant: JAPAN DISPLAY INC.Inventors: Katsuhiro HOSHINA, Tetsuya IIZUKA, Masato NAKAMURA, Kazuya DAISHI
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Patent number: 9025101Abstract: According to one embodiment, a liquid crystal display includes a first substrate including a gate wire, a source wire intersecting with the gate wire, a pixel electrode with a contact portion and a main pixel electrode extending from the contact portion, and a semiconductor layer arranged under the source wire and intersecting with the gate wire and bending under the source wire so as to extend to below the contact portion, a second substrate opposed to the array substrate, and a liquid crystal layer between the first and second substrate. The semiconductor layer is electrically connected to the source wire on one side of a position of the gate wire and to the contact portion on another side of the gate wire.Type: GrantFiled: August 1, 2012Date of Patent: May 5, 2015Assignee: Japan Display Inc.Inventors: Katsuhiro Hoshina, Tetsuya Iizuka, Masato Nakamura, Kazuya Daishi