Patents by Inventor Yasushi Kawata
Yasushi Kawata 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: 11943943Abstract: A detection device includes a substrate, a plurality of detection electrodes arranged in a detection area of the substrate, an organic semiconductor layer that covers the detection electrodes, and a counter electrode provided above the organic semiconductor layer. The organic semiconductor layer includes at least either of a first p-type semiconductor layer and a first n-type semiconductor layer, and an active layer. The active layer is provided in each overlapping area overlapping a corresponding one of the detection electrodes, and has a structure in which a p-type semiconductor area and an n-type semiconductor area are mixed and coexist. The first p-type semiconductor layer or the first n-type semiconductor layer is provided in a non-overlapping area not overlapping the detection electrode, and is provided between the adjacent active layers.Type: GrantFiled: August 25, 2021Date of Patent: March 26, 2024Assignee: Japan Display Inc.Inventor: Yasushi Kawata
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Publication number: 20240065060Abstract: According to one embodiment, a display device comprises a flexible substrate, a first insulating film disposed on the flexible substrate, a switching element disposed on the first insulating film, a signal wiring electrically connected with the switching element, a first organic film disposed on the signal wiring, a connection wiring disposed on the first organic film, a second organic film disposed on the connection wiring and a pad electrode disposed on the second organic film. The connection wiring is located between the first organic film and the second organic film and is in contact with the first organic film and the second organic film.Type: ApplicationFiled: October 13, 2023Publication date: February 22, 2024Applicant: Japan Display Inc.Inventor: Yasushi KAWATA
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Patent number: 11825713Abstract: According to one embodiment, a display device comprises a flexible substrate, a first insulating film disposed on the flexible substrate, a switching element disposed on the first insulating film, a signal wiring electrically connected with the switching element, a first organic film disposed on the signal wiring, a connection wiring disposed on the first organic film, a second organic film disposed on the connection wiring and a pad electrode disposed on the second organic film. The connection wiring is located between the first organic film and the second organic film and is in contact with the first organic film and the second organic film.Type: GrantFiled: July 29, 2022Date of Patent: November 21, 2023Assignee: Japan Display Inc.Inventor: Yasushi Kawata
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Publication number: 20230242601Abstract: A peptide represented by (i) or (ii) below: (i) a peptide having an amino acid sequence represented by EEG(X1)QD(X2)EPEA, wherein X1 and X2 are identical or different and are Y, F, or W; or (ii) a peptide having an amino acid sequence where one or several amino acids are deleted, substituted, or added in amino acid positions excluding X1 and X2 of the amino acid sequence of (i) above and having an activity of binding to FABP3 protein.Type: ApplicationFiled: July 7, 2021Publication date: August 3, 2023Applicant: TOHOKU UNIVERSITYInventors: Koji FUKUNAGA, Ichiro KAWAHATA, Yasushi KAWATA, Tomohiro MIZOBATA, Naoya FUKUI
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Patent number: 11656488Abstract: According to one embodiment, a display device includes a first substrate including a first resin substrate having a first thermal expansion coefficient, and a first barrier layer having a second thermal expansion coefficient which is lower than the first thermal expansion coefficient, a second substrate including a second resin substrate having a third thermal expansion coefficient which is equal to the first thermal expansion coefficient, and a second barrier layer having a fourth thermal expansion coefficient which is lower than the third thermal expansion coefficient and is equal to the first thermal expansion coefficient, and a display element located between the first resin substrate and the second resin substrate.Type: GrantFiled: June 28, 2022Date of Patent: May 23, 2023Assignee: Japan Display Inc.Inventors: Arichika Ishida, Yasushi Kawata
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Patent number: 11557739Abstract: According to an embodiment, a flexible substrate includes a flexible insulating base and a plurality of wirings on the insulating base. Furthermore, the insulating base includes a first opening, a second opening shape of which is different from that of the first opening, and a first line portion. The first line portion is disposed between the first opening and the second opening.Type: GrantFiled: September 25, 2020Date of Patent: January 17, 2023Assignee: Japan Display Inc.Inventors: Yasushi Kawata, Takumi Sano
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Publication number: 20220415988Abstract: According to one embodiment, a display device comprises an insulating base, a plurality of light-emitting elements, a plurality of pixel circuits, and a plurality of lines. The insulating base includes a plurality of first island portions and a plurality of non-linear line portions connecting two of the first island portions. The light-emitting elements are arranged in each of the first island portions. The pixel circuits are arranged in each of the first island portions and driving the light-emitting elements. The lines are arranged in each of the line portions and connected to the pixel circuits of the two first island portions connected by the line portions.Type: ApplicationFiled: August 8, 2022Publication date: December 29, 2022Inventors: Masanobu IKEDA, Yasuhiro KANAYA, Takumi SANO, Yasushi KAWATA
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Publication number: 20220367599Abstract: According to one embodiment, a display device comprises a flexible substrate, a first insulating film disposed on the flexible substrate, a switching element disposed on the first insulating film, a signal wiring electrically connected with the switching element, a first organic film disposed on the signal wiring, a connection wiring disposed on the first organic film, a second organic film disposed on the connection wiring and a pad electrode disposed on the second organic film. The connection wiring is located between the first organic film and the second organic film and is in contact with the first organic film and the second organic film.Type: ApplicationFiled: July 29, 2022Publication date: November 17, 2022Applicant: Japan Display Inc.Inventor: Yasushi KAWATA
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Publication number: 20220326556Abstract: According to one embodiment, a display device includes a first substrate including a first resin substrate having a first thermal expansion coefficient, and a first barrier layer having a second thermal expansion coefficient which is lower than the first thermal expansion coefficient, a second substrate including a second resin substrate having a third thermal expansion coefficient which is equal to the first thermal expansion coefficient, and a second barrier layer having a fourth thermal expansion coefficient which is lower than the third thermal expansion coefficient and is equal to the first thermal expansion coefficient, and a display element located between the first resin substrate and the second resin substrate.Type: ApplicationFiled: June 28, 2022Publication date: October 13, 2022Applicant: Japan Display Inc.Inventors: Arichika ISHIDA, Yasushi KAWATA
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Publication number: 20220312590Abstract: According to one embodiment, a flexible substrate includes an insulating basement, a plurality of wiring lines, a plurality of electrical elements connected to the plurality of wiring lines, and a metal layer. The insulating basement includes a plurality of line portions supporting the plurality of wiring lines, and a plurality of island-shaped portions supporting the plurality of electrical elements. The plurality of line portions connect the plurality of island-shaped portions. The plurality of wiring lines and the electrical elements are located between the insulating basement and the metal layer.Type: ApplicationFiled: June 14, 2022Publication date: September 29, 2022Applicant: Japan Display Inc.Inventor: Yasushi KAWATA
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Patent number: 11437463Abstract: According to one embodiment, a display device comprises a flexible substrate, a first insulating film disposed on the flexible substrate, a switching element disposed on the first insulating film, a signal wiring electrically connected with the switching element, a first organic film disposed on the signal wiring, a connection wiring disposed on the first organic film, a second organic film disposed on the connection wiring and a pad electrode disposed on the second organic film. The connection wiring is located between the first organic film and the second organic film and is in contact with the first organic film and the second organic film.Type: GrantFiled: December 7, 2020Date of Patent: September 6, 2022Assignee: Japan Display Inc.Inventor: Yasushi Kawata
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Patent number: 11409145Abstract: According to one embodiment, a display device includes a first substrate including a first resin substrate having a first thermal expansion coefficient, and a first barrier layer having a second thermal expansion coefficient which is lower than the first thermal expansion coefficient, a second substrate including a second resin substrate having a third thermal expansion coefficient which is equal to the first thermal expansion coefficient, and a second barrier layer having a fourth thermal expansion coefficient which is lower than the third thermal expansion coefficient and is equal to the first thermal expansion coefficient, and a display element located between the first resin substrate and the second resin substrate.Type: GrantFiled: March 12, 2021Date of Patent: August 9, 2022Assignee: Japan Display Inc.Inventors: Arichika Ishida, Yasushi Kawata
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Publication number: 20220208858Abstract: According to an aspect, a detection device includes: a substrate; an anode electrode provided on the substrate; a cathode electrode that is provided on the same layer as that of the anode electrode and is adjacent to the anode electrode; and an organic semiconductor layer that has a structure in which a p-type semiconductor layer and an n-type semiconductor layer coexist and that is provided so as to cover the anode electrode and the cathode electrode.Type: ApplicationFiled: March 16, 2022Publication date: June 30, 2022Inventor: Yasushi KAWATA
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Publication number: 20210384453Abstract: A detection device includes a substrate, a plurality of detection electrodes arranged in a detection area of the substrate, an organic semiconductor layer that covers the detection electrodes, and a counter electrode provided above the organic semiconductor layer. The organic semiconductor layer includes at least either of a first p-type semiconductor layer and a first n-type semiconductor layer, and an active layer. The active layer is provided in each overlapping area overlapping a corresponding one of the detection electrodes, and has a structure in which a p-type semiconductor area and an n-type semiconductor area are mixed and coexist. The first p-type semiconductor layer or the first n-type semiconductor layer is provided in a non-overlapping area not overlapping the detection electrode, and is provided between the adjacent active layers.Type: ApplicationFiled: August 25, 2021Publication date: December 9, 2021Inventor: Yasushi KAWATA
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Publication number: 20210200004Abstract: According to one embodiment, a display device includes a first substrate including a first resin substrate having a first thermal expansion coefficient, and a first barrier layer having a second thermal expansion coefficient which is lower than the first thermal expansion coefficient, a second substrate including a second resin substrate having a third thermal expansion coefficient which is equal to the first thermal expansion coefficient, and a second barrier layer having a fourth thermal expansion coefficient which is lower than the third thermal expansion coefficient and is equal to the first thermal expansion coefficient, and a display element located between the first resin substrate and the second resin substrate.Type: ApplicationFiled: March 12, 2021Publication date: July 1, 2021Applicant: Japan Display Inc.Inventors: Arichika ISHIDA, Yasushi KAWATA
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Patent number: 10976580Abstract: According to one embodiment, a display device includes a first substrate including a first resin substrate having a first thermal expansion coefficient, and a first barrier layer having a second thermal expansion coefficient which is lower than the first thermal expansion coefficient, a second substrate including a second resin substrate having a third thermal expansion coefficient which is equal to the first thermal expansion coefficient, and a second barrier layer having a fourth thermal expansion coefficient which is lower than the third thermal expansion coefficient and is equal to the first thermal expansion coefficient, and a display element located between the first resin substrate and the second resin substrate.Type: GrantFiled: August 7, 2019Date of Patent: April 13, 2021Assignee: Japan Display Inc.Inventors: Arichika Ishida, Yasushi Kawata
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Publication number: 20210091166Abstract: According to one embodiment, a display device comprises a flexible substrate, a first insulating film disposed on the flexible substrate, a switching element disposed on the first insulating film, a signal wiring electrically connected with the switching element, a first organic film disposed on the signal wiring, a connection wiring disposed on the first organic film, a second organic film disposed on the connection wiring and a pad electrode disposed on the second organic film. The connection wiring is located between the first organic film and the second organic film and is in contact with the first organic film and the second organic film.Type: ApplicationFiled: December 7, 2020Publication date: March 25, 2021Applicant: Japan Display Inc.Inventor: Yasushi KAWATA
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Publication number: 20210013431Abstract: According to an embodiment, a flexible substrate includes a flexible insulating base and a plurality of wirings on the insulating base. Furthermore, the insulating base includes a first opening, a second opening shape of which is different from that of the first opening, and a first line portion. The first line portion is disposed between the first opening and the second opening.Type: ApplicationFiled: September 25, 2020Publication date: January 14, 2021Applicant: Japan Display Inc.Inventors: Yasushi KAWATA, Takumi SANO
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Patent number: 10892315Abstract: According to one embodiment, a display device comprises a flexible substrate, a first insulating film disposed on the flexible substrate, a switching element disposed on the first insulating film, a signal wiring electrically connected with the switching element, a first organic film disposed on the signal wiring, a connection wiring disposed on the first organic film, a second organic film disposed on the connection wiring and a pad electrode disposed on the second organic film. The connection wiring is located between the first organic film and the second organic film and is in contact with the first organic film and the second organic film.Type: GrantFiled: February 12, 2020Date of Patent: January 12, 2021Assignee: Japan Display Inc.Inventor: Yasushi Kawata
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Patent number: 10840463Abstract: According to one embodiment, a display device includes an insulating substrate including a first main surface, a first supporting substrate adhered to the first main surface of the insulating substrate, and a second supporting substrate spaced from the first supporting substrate and adhered to the first main surface of the insulating substrate, and the first supporting substrate includes a first side surface opposing the second supporting substrate, the second supporting substrate includes a second side surface opposing the first supporting substrate, the first supporting substrate is formed into a tapered shape which narrows toward the first side surface, and the second supporting substrate is formed into a tapered shape which narrows toward the second side surface.Type: GrantFiled: February 22, 2018Date of Patent: November 17, 2020Assignee: Japan Display Inc.Inventors: Takumi Sano, Yasushi Kawata