Patents by Inventor Koji Kitamura
Koji Kitamura 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: 12253763Abstract: According to an aspect, a display device includes: a display panel including an array substrate, a counter substrate, a liquid crystal layer between the array substrate and the counter substrate, and spacers projecting from the counter substrate toward the array substrate; a light-transmitting glass base member bonded to the display panel; and a light source that includes a light guide provided along a side surface of the array substrate, a side surface of the counter substrate, or a side surface of the glass base member, and light emitters facing the light guide. The array substrate includes: signal lines; scan lines; and switching elements coupled to the scan lines and the signal lines. The spacers are arranged in positions facing the respective switching elements and are provided with adhesion layers provided such that the counter substrate and the array substrate adhere to each other.Type: GrantFiled: April 11, 2024Date of Patent: March 18, 2025Assignee: Japan Display Inc.Inventors: Kentaro Okuyama, Koji Kitamura, Tenfu Nakamura
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Patent number: 12246276Abstract: A spunbond non-woven fabric includes a thermoplastic continuous filament. Bending resistance in a machine direction of the spunbond non-woven fabric is 40 mN or more and 80 mN or less, the spunbond non-woven fabric includes a nonbonded projected part and a bonded recessed part, and in a non-woven fabric cross-section, a thickness from one surface to another surface of the projected part is determined to be tA, a thickness from one surface to another surface of the recessed part is determined to be tB, and respective distances from one surface of the projected part to one surface of the recessed part are determined to be tC and tD (tC<tD), and the spunbond non-woven fabric has a relation represented by formulas (1) and (2) below: 0.5?1?tB/tA<1.0??(1) 0.65<tC/tD<1.0??(2).Type: GrantFiled: December 23, 2020Date of Patent: March 11, 2025Assignee: Toray Industries, Inc.Inventors: Yuki Ikejiri, Jun Yoshida, Koji Kitamura
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Patent number: 12242149Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a sealant formed bonding the first substrate with the second substrate, a liquid crystal layer surrounded by the sealant, and a light emitting module. The sealant includes a first portion, a second portion opposed to the first portion with the liquid crystal layer sandwiched therebetween, an inlet formed in the second portion, and a filling material filled in the inlet. The liquid crystal layer is arranged over a display area where an image is displayed, a first area between the display area and the first portion, and a second area between the display area and the second portion, in plan view. A first width of the first area is larger than a width of the second area.Type: GrantFiled: April 18, 2024Date of Patent: March 4, 2025Assignee: Japan Display Inc.Inventors: Tatsunori Muramoto, Kentaro Kawai, Yoshihide Ohue, Kentaro Okuyama, Tenfu Nakamura, Koji Kitamura
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Publication number: 20250068009Abstract: 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 transparent substrate, a scanning line, a signal line, a switching element, an organic insulating film including an aperture and overlapping with the scanning line, the signal line, and the switching element, and a first alignment film overlapping with the organic insulating film. The second substrate includes a second transparent substrate, and a second alignment film overlapping with the second transparent substrate. At least a part of a portion of the first alignment film, which overlaps with the organic insulating film, is in contact with the second alignment film.Type: ApplicationFiled: August 5, 2024Publication date: February 27, 2025Applicant: Japan Display Inc.Inventor: Koji KITAMURA
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Publication number: 20250068021Abstract: According to one embodiment, a display device includes a first substrate, a second substrate overlapping with the first substrate, and a liquid crystal layer. The first substrate includes a scanning line, a signal line, a switching element electrically connected to the scanning line and the signal line, and an organic insulating film including an aperture and overlapping with the scanning line, the signal line, and the switching element. The organic insulating film includes an upper surface facing the second substrate and a protruding portion protruding from the upper surface onto the second substrate to support the second substrate.Type: ApplicationFiled: August 2, 2024Publication date: February 27, 2025Applicant: Japan Display Inc.Inventor: Koji KITAMURA
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Publication number: 20250068068Abstract: A carboxylate represented by formula (I), a carboxylate or resin including a structural unit represented by formula (IP), an acid generator including the carboxylate, a carboxylic acid generator including the resin, or a resist composition including the carboxylic acid generator.Type: ApplicationFiled: July 29, 2024Publication date: February 27, 2025Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shohei Terahigashi, Issei KITAMURA, Koji ICHIKAWA
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Publication number: 20250060667Abstract: A salt represented by formula (I), a salt or resin including a structural unit represented by formula (IP), an acid generator including the salt, an acid generator including the resin, or a resist composition including the acid generator.Type: ApplicationFiled: July 29, 2024Publication date: February 20, 2025Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shohei Terahigashi, Issei Kitamura, Koji Ichikawa
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Patent number: 12202832Abstract: The present invention provides a compound or a salt thereof having a calcium-sensing receptor antagonistic activity, and being expected to be useful as an agent for preventing or treating heart failure, pulmonary hypertension, or the like. The compounds represented by formula (I) or a salt thereof has a calcium-sensing receptor antagonistic activity, and is expected to be useful as an agent for preventing or treating heart failure, pulmonary hypertension, or the like, wherein each symbol is as described in the specification.Type: GrantFiled: April 26, 2018Date of Patent: January 21, 2025Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Shuji Kitamura, Zenichi Ikeda, Minoru Ikoma, Koji Watanabe, Hideki Hirose, Takafumi Yukawa, Sachie Morimoto, Naoki Nishizawa, Taiji Asami
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Publication number: 20240345440Abstract: According to an aspect, a display device includes: a display panel including an array substrate, a counter substrate, a liquid crystal layer between the array substrate and the counter substrate, and spacers projecting from the counter substrate toward the array substrate; a light-transmitting glass base member bonded to the display panel; and a light source that includes a light guide provided along a side surface of the array substrate, a side surface of the counter substrate, or a side surface of the glass base member, and light emitters facing the light guide. The array substrate includes: signal lines; scan lines; and switching elements coupled to the scan lines and the signal lines. The spacers are arranged in positions facing the respective switching elements and are provided with adhesion layers provided such that the counter substrate and the array substrate adhere to each other.Type: ApplicationFiled: April 11, 2024Publication date: October 17, 2024Inventors: Kentaro OKUYAMA, Koji KITAMURA, Tenfu NAKAMURA
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Publication number: 20240264481Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a sealant formed bonding the first substrate with the second substrate, a liquid crystal layer surrounded by the sealant, and a light emitting module. The sealant includes a first portion, a second portion opposed to the first portion with the liquid crystal layer sandwiched therebetween, an inlet formed in the second portion, and a filling material filled in the inlet. The liquid crystal layer is arranged over a display area where an image is displayed, a first area between the display area and the first portion, and a second area between the display area and the second portion, in plan view. A first width of the first area is larger than a width of the second area.Type: ApplicationFiled: April 18, 2024Publication date: August 8, 2024Inventors: Tatsunori MURAMOTO, Kentaro KAWAI, Yoshihide OHUE, Kentaro OKUYAMA, Tenfu NAKAMURA, Koji KITAMURA
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Patent number: 11988915Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a sealant formed bonding the first substrate with the second substrate, a liquid crystal layer surrounded by the sealant, and a light emitting module. The sealant includes a first portion, a second portion opposed to the first portion with the liquid crystal layer sandwiched therebetween, an inlet formed in the second portion, and a filling material filled in the inlet. The liquid crystal layer is arranged over a display area where an image is displayed, a first area between the display area and the first portion, and a second area between the display area and the second portion, in plan view. A first width of the first area is larger than a width of the second area.Type: GrantFiled: July 12, 2023Date of Patent: May 21, 2024Assignee: Japan Display Inc.Inventors: Tatsunori Muramoto, Kentaro Kawai, Yoshihide Ohue, Kentaro Okuyama, Tenfu Nakamura, Koji Kitamura
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Patent number: 11927857Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer between the array substrate and the counter substrate; and a light source disposed so as to emit light into a side surface of the array substrate or a side surface of the counter substrate. The array substrate includes: signal lines arranged in a first direction with spaces interposed between the signal lines; scan lines arranged in a second direction with spaces interposed therebetween; a switching element coupled to a corresponding one of the scan lines and a corresponding one of the signal lines; an organic insulating layer that covers at least the switching element; and a metal layer provided on the upper side of the organic insulating layer so as to overlap the organic insulating layer. A positional misalignment portion of each signal line does not overlap a positional misalignment portion of the metal layer.Type: GrantFiled: April 5, 2023Date of Patent: March 12, 2024Assignee: Japan Display Inc.Inventors: Yoshihide Ohue, Yuuji Oomori, Koji Kitamura, Kentaro Okuyama
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Publication number: 20240019738Abstract: According to one embodiment, a display device includes first and second substrates and a liquid crystal layer. The first substrate includes pixel electrodes and a first alignment film. The second substrate includes a common electrode and a second alignment film. The liquid crystal layer is provided between the alignment films and contains a streaky polymer and liquid crystal molecules. The first alignment film includes flat areas. A first director of the liquid crystal molecules located near the flat areas is substantially parallel to a horizontal plane in a state where no potential difference is formed between the pixel electrodes and the common electrode.Type: ApplicationFiled: July 11, 2023Publication date: January 18, 2024Applicant: Japan Display Inc.Inventors: Koichi IGETA, Kentaro OKUYAMA, Koji KITAMURA
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Publication number: 20230350243Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a sealant formed bonding the first substrate with the second substrate, a liquid crystal layer surrounded by the sealant, and a light emitting module. The sealant includes a first portion, a second portion opposed to the first portion with the liquid crystal layer sandwiched therebetween, an inlet formed in the second portion, and a filling material filled in the inlet. The liquid crystal layer is arranged over a display area where an image is displayed, a first area between the display area and the first portion, and a second area between the display area and the second portion, in plan view. A first width of the first area is larger than a width of the second area.Type: ApplicationFiled: July 12, 2023Publication date: November 2, 2023Inventors: Tatsunori MURAMOTO, Kentaro KAWAI, Yoshihide OHUE, Kentaro OKUYAMA, Tenfu NAKAMURA, Koji KITAMURA
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Patent number: 11789303Abstract: A display device includes a display region, a peripheral region around the display region, a sealing portion provided in the peripheral region to seal a liquid crystal layer, and a liquid crystal supply portion provided at a part of the sealing portion and interconnecting an outside of the sealing portion and the display region. The peripheral region includes a first peripheral region which is provided between the display region and the sealing portion and from which an insulating film is removed and a second peripheral region which is provided between the display region and the sealing portion and in which the insulating film covering a circuit is formed. A light blocking film arranged so as to straddle the first and second peripheral regions and extending linearly in an extending direction of a boundary between the first and second peripheral regions is formed on a substrate.Type: GrantFiled: May 18, 2022Date of Patent: October 17, 2023Assignee: Japan Display Inc.Inventors: Koji Kitamura, Yoshihide Ohue, Kentaro Okuyama, Hiroya Morimoto, Masato Kesho
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Publication number: 20230324750Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer between the array substrate and the counter substrate; and a light source disposed so as to emit light into a side surface of the array substrate or a side surface of the counter substrate. The array substrate includes: signal lines arranged in a first direction with spaces interposed between the signal lines; scan lines arranged in a second direction with spaces interposed therebetween; a switching element coupled to a corresponding one of the scan lines and a corresponding one of the signal lines; an organic insulating layer that covers at least the switching element; and a metal layer provided on the upper side of the organic insulating layer so as to overlap the organic insulating layer. A positional misalignment portion of each signal line does not overlap a positional misalignment portion of the metal layer.Type: ApplicationFiled: April 5, 2023Publication date: October 12, 2023Inventors: Yoshihide OHUE, Yuuji OOMORI, Koji KITAMURA, Kentaro OKUYAMA
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Publication number: 20230324751Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer between the array substrate and the counter substrate; spacers regulating a distance between the array substrate and the counter substrate; and a light source. The array substrate includes: signal lines arranged in a first direction; scan lines arranged in a second direction; switching elements each of which is coupled to a corresponding scan line and a corresponding signal line; and an organic insulating layer covering at least the switching elements. An area surrounded by the scan lines and the signal lines has a second area having a thickness less than that of the organic insulating layer in a first area overlapping the switching elements, the scan lines, and the signal lines in plan view. The spacers arranged in the first area have a thickness less than that of the organic insulating layer in the first area.Type: ApplicationFiled: April 6, 2023Publication date: October 12, 2023Inventors: Yoshihide OHUE, Kentaro OKUYAMA, Hiroki SUGIYAMA, Yuuji OOMORI, Koji KITAMURA
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Patent number: 11614661Abstract: A display device includes a display region, a peripheral region around the display region, a sealing portion provided in the peripheral region to seal the liquid crystal layer, and a liquid crystal supply portion provided at a part of the sealing portion and interconnecting an outside of the sealing portion and the display region. The liquid crystal supply portion is provided along one side of the peripheral region. The peripheral region includes a first peripheral region located between the display region and the sealing portion. An insulating film is removed in the first peripheral region. In the first peripheral region, a plurality of second spacer members and a plurality of third spacer members to support the plurality of second spacer members are provided.Type: GrantFiled: March 25, 2022Date of Patent: March 28, 2023Assignee: Japan Display Inc.Inventors: Koji Kitamura, Yoshihide Ohue, Kentaro Okuyama, Hiroya Morimoto, Masato Kesho
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Publication number: 20230046361Abstract: A spunbond non-woven fabric includes a thermoplastic continuous filament. Bending resistance in a machine direction of the spunbond non-woven fabric is 40 mN or more and 80 mN or less, the spunbond non-woven fabric includes a nonbonded projected part and a bonded recessed part, and in a non-woven fabric cross-section, a thickness from one surface to another surface of the projected part is determined to be tA, a thickness from one surface to another surface of the recessed part is determined to be tB, and respective distances from one surface of the projected part to one surface of the recessed part are determined to be tC and tD (tC<tD), and the spunbond non-woven fabric has a relation represented by formulas (1) and (2) below: 0.5?1?tB/tA<1.0 ??(1) 0.65<tC/tD<1.0 ??(2).Type: ApplicationFiled: December 23, 2020Publication date: February 16, 2023Applicant: Toray Industries, Inc.Inventors: Yuki Ikejiri, Jun Yoshida, Koji Kitamura
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Publication number: 20230026227Abstract: A spunbond non-woven fabric includes a nonbonded projected part and a bonded recessed part. Bending resistance in a machine direction of the spunbond non-woven fabric is 20 mN or more and 40 mN or less, and in a non-woven fabric cross-section, a thickness from one surface to another surface of the projected part is determined to be tA, a thickness from one surface to another surface of the recessed part is determined to be tB, and respective distances from one surface of the projected part to one surface of the recessed part are determined to be tC and to (tC<tD), and the spunbond non-woven fabric has a relation represented by formulas (1) and (2) below: 0.5?1?tB/tA<1.0??(1) 0.35<tC/tD<0.65??(2).Type: ApplicationFiled: December 23, 2020Publication date: January 26, 2023Applicant: Toray Industries, Inc.Inventors: Yuki Ikejiri, Jun Yoshida, Koji Kitamura