Patents by Inventor Jin Hirosawa
Jin Hirosawa 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: 9791757Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a semiconductor layer including a first extension portion and a second extension portion, a gate line, a first common electrode opposed to at least the second extension portion, a source line extending above the second extension portion, a pixel electrode including a main pixel electrode, a second common electrode including a second main common electrode opposed to the source line, and a first alignment film.Type: GrantFiled: September 9, 2015Date of Patent: October 17, 2017Assignee: Japan Display Inc.Inventor: Jin Hirosawa
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Patent number: 9785001Abstract: According to one embodiment, a liquid crystal display apparatus includes a first substrate including a first electrode and an insulating layer arranged so as to cover an edge of the first electrode, a second substrate including a second electrode facing the first electrode and a second slit from which the second electrode is removed, and a liquid crystal layer interposed between the first substrate and the second substrate. The first electrode includes a plurality of first slits extending inwardly from the edge of the first electrode. The insulating layer and the plurality of first slits are arranged such that a position of an end of the insulating layer and a position of a tip to which the first slit extends are apart from each other in a region between the edge of the first electrode and the second slit in a direction in which the first slit extends.Type: GrantFiled: July 21, 2016Date of Patent: October 10, 2017Assignee: JAPAN DISPLAY INC.Inventors: Arihiro Takeda, Jin Hirosawa
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Publication number: 20170285417Abstract: A liquid crystal display device includes a gate line, a source line, a first common electrode opposed to the gate line and the source line, an interlayer insulating film covering the first common electrode, a pixel electrode including a main pixel electrode and a sub-pixel electrode, the pixel electrode formed on the interlayer insulating film, a second common electrode formed on the interlayer insulating film. The second common electrode includes a second main common electrode which has intermittence at a position adjacent to the sub-pixel electrode, and a second sub-common electrode which has intermittence at a position adjacent to the main pixel electrode.Type: ApplicationFiled: June 20, 2017Publication date: October 5, 2017Applicant: Japan Display Inc.Inventors: Kayoko MIYAZAKI, Jin HIROSAWA
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Publication number: 20170249046Abstract: According to one embodiment, a liquid crystal display device includes a first substrate includes an insulating substrate, an organic insulating film including a first upper surface and a second upper surface, a step being created by a height difference between the first upper surface and the second upper surface, a common electrode located on the first upper surface, a pixel electrode located on the second upper surface, and a first alignment film which covers the common electrode and the pixel electrode, a second substrate includes a second alignment film opposed to the first alignment film, and a liquid crystal layer held between the first alignment film and the second alignment film.Type: ApplicationFiled: February 24, 2017Publication date: August 31, 2017Applicant: Japan Display Inc.Inventor: Jin HIROSAWA
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Publication number: 20170242295Abstract: According to one embodiment, a display device includes a first light-shielding portion and a second light-shielding portion arranged at a first pitch in a first direction, and a light-shielding layer including a first portion overlapping the first light-shielding portion and a second portion overlapping the second light-shielding portion in planar view, a width center of the second light-shielding portion being displaced from a width center of the second portion in the first direction, an opening portion being located between the first portion and the second portion, the first portion and the second portion being arranged at a second pitch different from the first pitch in the first direction.Type: ApplicationFiled: February 24, 2017Publication date: August 24, 2017Applicant: Japan Display Inc.Inventor: Jin HIROSAWA
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Patent number: 9733533Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first source line and a second source line, a first main pixel electrode of a strip shape, a second main pixel electrode of a strip shape. The first substrate is configured such that a first distance between the first main pixel electrode and the first source line is less than a second distance between the first main pixel electrode and the second source line, and a third distance between the second main pixel electrode and the first source line is greater than a fourth distance between the second main pixel electrode and the second source line.Type: GrantFiled: June 25, 2015Date of Patent: August 15, 2017Assignee: JAPAN DISPLAY INC.Inventor: Jin Hirosawa
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Patent number: 9733537Abstract: A first interlayer insulating film is arranged on a gate line and a source line. A first common electrode includes a first sub-common electrode extending in the first direction on the first interlayer insulating film and facing the gate line. A second interlayer insulating film covers the first common electrode. A pixel electrode includes a first main pixel electrode extending in the second direction on the second interlayer insulating film. A second common electrode includes a second sub-common electrode and a second main common electrode and set to the same potential as the first common electrode. The second sub-common electrode extends on the second interlayer insulating film in the first direction so as to face the first sub-common electrode, and is cut out on a straight line along which the first main pixel electrode extends. The second main common electrode extends in the second direction facing the source line.Type: GrantFiled: January 26, 2015Date of Patent: August 15, 2017Assignee: Japan Display Inc.Inventor: Jin Hirosawa
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Patent number: 9709860Abstract: A liquid crystal display device includes a gate line, a source line, a first common electrode opposed to the gate line and the source line, an interlayer insulating film covering the first common electrode, a pixel electrode including a main pixel electrode and a sub-pixel electrode, the pixel electrode formed on the interlayer insulating film, a second common electrode formed on the interlayer insulating film. The second common electrode includes a second main common electrode which has intermittence at a position adjacent to the sub-pixel electrode, and a second sub-common electrode which has intermittence at a position adjacent to the main pixel electrode.Type: GrantFiled: January 20, 2016Date of Patent: July 18, 2017Assignee: Japan Display Inc.Inventors: Kayoko Miyazaki, Jin Hirosawa
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Publication number: 20170192279Abstract: According to one embodiment, a display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first signal line, common electrodes, and metal lines connecting to the common electrodes. The second substrate is opposed to the first substrate. The liquid crystal layer is enclosed between the first substrate and the second substrate. The metal lines includes a first metal line crossing the first signal line, a second metal line provided separately from the first metal line, and a third metal line connecting the first metal line and the second metal line.Type: ApplicationFiled: December 29, 2016Publication date: July 6, 2017Applicant: Japan Display Inc.Inventors: Yuji MAEDE, Jin HIROSAWA
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Patent number: 9690147Abstract: A first interlayer insulating film is arranged on a gate line and a source line. A first common electrode includes a first sub-common electrode extending in a first direction so as to face the gate line and a first main common electrode extending in a second direction so as to face the source line on the first interlayer insulating film. The first common electrode has a slit extending in the second direction. A second interlayer insulating film covers the first common electrode. A main pixel electrode extends in the second direction on the second interlayer insulating film so as to face the slit. A second common electrode includes a second sub-common electrode extending on the second interlayer insulating film so as to face the first sub-common electrode and a second main common electrode facing the first main common electrode.Type: GrantFiled: July 28, 2015Date of Patent: June 27, 2017Assignee: Japan Display Inc.Inventor: Jin Hirosawa
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Publication number: 20170153492Abstract: According to one embodiment, a display device comprises a first substrate including a gate line extending in the first direction, and a source line extending in a second direction, and a second substrate opposed to the first substrate. The second substrate includes a first light-blocking layer which opposed to the gate line, and a second light-blocking layer which opposed to the source line. Wherein, a subpixel is formed at a position defined by the gate line and the source line, and the color layer has a first width in the first direction, the first width is greater than a width of the subpixel, and the color layer has a lager width than the first width at a overlapping position on the first light-blocking layer.Type: ApplicationFiled: November 23, 2016Publication date: June 1, 2017Applicant: Japan Display Inc.Inventors: Jin HIROSAWA, Kayoko MIYAZAKI, Arihiro TAKEDA
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Publication number: 20170146846Abstract: A liquid crystal display device related to one embodiment includes a gate line arranged along a first direction, a first pixel including a first switching element connected to the gate line, and a first pixel electrode connected to the first switching element via a first contact hole arranged in an insulation layer, a second pixel including a second switching element connected to the gate line, and a second pixel electrode connected to the second switching element via a second contact hole arranged in the insulation layer, a first spacer arranged in the fixed pixel, and a second spacer arranged in the second pixel, wherein the first spacer and the second spacer are arranged substantially on the same straight line in the first direction, and the first contact hole and the second contact hole are alternately arranged sandwiching a straight line connecting the first spacer and the second spacer.Type: ApplicationFiled: October 17, 2016Publication date: May 25, 2017Inventors: Hirofumi FUNAKOSHI, Jin HIROSAWA, Masakatsu KITANI, Daichi HOSOKAWA
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Publication number: 20170146869Abstract: According to one embodiment, an array substrate comprises source lines arranged in a first direction, gate lines arranged in second direction, pixels, first and second switching elements, a first pixel includes a first pixel electrode connected to the first switching element via a first contact hole formed on one side of a first gate line, and a second pixel includes a second pixel electrode connected to the second switching element via a second contact hole formed on the other side of the first gate line. A counter-substrate comprises a first light-shielding portion opposed to the first gate line and the first contact hole, and a second light-shielding portion opposed to the first gate line and the second contact hole. A spacer is present between substrates.Type: ApplicationFiled: November 23, 2016Publication date: May 25, 2017Applicant: Japan Display Inc.Inventor: Jin HIROSAWA
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Patent number: 9658499Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first common electrode in which a first slit extending in a first direction is formed, a first pixel electrode opposed to the first common electrode, and a second pixel electrode opposed to the first common electrode and neighboring the first pixel electrode in a second direction with the first slit being interposed, a second substrate including a second common electrode opposed to the first slit, the first pixel electrode and the second pixel electrode, and a liquid crystal layer held between the first alignment film and the second alignment film.Type: GrantFiled: December 4, 2014Date of Patent: May 23, 2017Assignee: Japan Display Inc.Inventor: Jin Hirosawa
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Publication number: 20170108748Abstract: A first substrate includes a gate line extending in a first direction, a first interlayer insulating film covering the gate line, a first common electrode formed on the first interlayer insulating film extending in a second direction crossing the first direction, a second interlayer insulating film covering the first common electrode, a source line extending in the second direction, and a third interlayer insulating film covering the source line. A pixel electrode includes a main pixel electrode extending in the second direction on the third interlayer insulating film. A second common electrode includes a second main common electrode extending in the second direction on the third interlayer insulating film and facing the source line. The second common electrode is set to the same potential as the first common electrode. A first alignment film covers the pixel electrode and the second common electrode.Type: ApplicationFiled: October 26, 2016Publication date: April 20, 2017Applicant: JAPAN DISPLAY INC.Inventor: JIN HIROSAWA
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Patent number: 9625757Abstract: According to one embodiment, a liquid crystal display device, include a first substrate includes a first pixel electrode including m first strip electrodes, a second pixel electrode including m second strip electrodes, a third pixel electrode including n third strip electrodes, a fourth pixel electrode including m fourth strip electrodes, a fifth pixel electrode including m fifth strip electrodes, and a sixth pixel electrode including n sixth strip electrodes, m and n being positive integers and unequal to each other.Type: GrantFiled: February 19, 2015Date of Patent: April 18, 2017Assignee: Japan Display Inc.Inventors: Atsuko Oono, Arihiro Takeda, Jin Hirosawa, Satoru Kawasaki, Yuji Maede, Saori Sugiyama
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Publication number: 20170102597Abstract: According to one embodiment, a display device comprises metal lines which are in contact with a structural electrode. A first filter overlaps with first and second pixels, and a second filter overlaps with second and fourth pixels. First to fourth structural electrodes overlap with first to fourth pixels respectively. A first slit extends between first and second pixels, and a second slit extends between third and fourth pixels. The first metal line is formed between first and second structural electrodes to cover part of the first slit, and the second metal line is formed between third and fourth structural electrodes to cover part of the second slit.Type: ApplicationFiled: September 26, 2016Publication date: April 13, 2017Applicant: Japan Display Inc.Inventors: Kenta SEKI, Gen KOIDE, Yuji MAEDE, Jin HIROSAWA
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Publication number: 20170038637Abstract: According to one embodiment, a display device includes a first substrate and a second substrate which are opposed to each other, wherein the second substrate includes, in a display area where an image is displayed, first light shields extending in a first direction and arranged apart from each other in a second direction which crosses the first direction, second light shields extending in the second direction and arranged apart from each other in the first direction, and an intermediate layer disposed between the first light shields and the second light shields, and the first light shields cross the second light shields via the intermediate layer.Type: ApplicationFiled: June 20, 2016Publication date: February 9, 2017Applicant: JAPAN DISPLAY INC.Inventors: ARIHIRO TAKEDA, JIN HIROSAWA, YOSHITAKA YAMADA
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Publication number: 20170023816Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a metal layer formed on an interlayer insulating film, arranged in contact with at least one of common electrodes adjacent to each other via a slit, and covering at least a part of the slit. The metal layer is at least partly opposed to a signal line located in correspondence with the slit and is arranged closer than the signal line to a liquid crystal layer.Type: ApplicationFiled: July 7, 2016Publication date: January 26, 2017Applicant: Japan Display Inc.Inventors: Yuji MAEDE, Jin HIROSAWA, Hidemasa YAMAGUCHI
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Patent number: 9551911Abstract: A first substrate includes first and second gate lines extending in a first direction, first and second source lines extending in a second direction and a switching element electrically connected with the gate line and the source line. A pixel electrode includes a contact portion contacting with the switching element and extending in the first direction and a main pixel electrode contacting with the contact portion and extending in the second direction. The switching element includes a drain electrode arranged between the source lines. The drain electrode includes a first electrode portion located under the contact portion, a second electrode portion located under the main pixel electrode and connected with the first electrode portion, a third electrode portion connected with the second electrode portion along the first gate line, and a fourth electrode portion connected with the second electrode portion and extending along the second gate line.Type: GrantFiled: April 24, 2015Date of Patent: January 24, 2017Assignee: Japan Display Inc.Inventors: Masato Kesho, Jin Hirosawa