Patents by Inventor Takahiro Seki
Takahiro Seki 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: 20250048882Abstract: A display device is provided in the present application. The display device includes a flexible display screen and a plate-shaped back reinforcing member attached to a back face of the flexible display screen. The back reinforcing member includes a surface facing the back face and an inner face facing away from the surface, and includes first region portion(s) and second region portion(s) adjacent to each other in a first direction that is along the surface. When the back reinforcing member is viewed in section in a second direction that is along the surface and perpendicular to the first direction, through hole(s) through the back reinforcing member are provided in first region portion(s) in a third direction perpendicular to both the first direction and the second direction, and concave portion(s) recessed from the surface toward the inner face are provided in the second region portion(s).Type: ApplicationFiled: July 22, 2024Publication date: February 6, 2025Applicants: JDI Design and Development G.K., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Takahiro SEKI
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Patent number: 12207484Abstract: The display panel is a display panel that is flexible, including: an EL structure layer including a plurality of EL elements arranged two-dimensionally; a foamed resin layer on a side of the EL structure layer that is opposite to a light emitting surface of the EL structure layer; a metal layer provided between the EL structure layer and the foamed resin layer; and a first adhesive layer provided between the EL structure layer and the metal layer and comprises an adhesive having an elastic modulus of 90 kPa or more.Type: GrantFiled: August 10, 2021Date of Patent: January 21, 2025Assignee: JDI DESIGN AND DEVELOPMENT G.K.Inventors: Nobuo Naito, Takahiro Seki
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Publication number: 20240251588Abstract: A display panel includes a flexible substrate. The flexible substrate includes a display region and a peripheral region. A plurality of self-luminescent elements is on a first main face of the display region of the flexible substrate. A plurality of thin film transistor (TFT) circuits is between the first main face and the self-luminescent elements. The TFT circuits drive the self-luminescent elements. A first inorganic film is between the TFT circuits and the self-luminescent elements, and includes a step portion which is a thinned portion of the first inorganic film disposed in the peripheral region of the flexible substrate. A second inorganic film covers the self-luminescent elements. A resin layer overlaps the second inorganic film and overlaps at least a portion of the first inorganic film in contact with an end portion of the second inorganic film.Type: ApplicationFiled: March 6, 2024Publication date: July 25, 2024Applicant: JOLED INC.Inventors: Yuichiro ISHIYAMA, Takahiro SEKI
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Patent number: 11943958Abstract: A display panel according to one embodiment of the disclosure includes: a flexible substrate; a plurality of self-luminescent elements; a plurality of TFT circuits provided between the flexible substrate and the plurality of self-luminescent elements; a first inorganic film covering each of the TFT circuits; a second inorganic film covering each of the self-luminescent elements; and a resin layer covering the second inorganic film and covering at least a portion of the first inorganic film in contact with an end portion of the second inorganic film. The first inorganic film is provided between the plurality of TFT circuits and the plurality of self-luminescent elements, and has a step portion. The step portion is a thinned portion of the first inorganic film opposed to an end portion of the flexible substrate.Type: GrantFiled: January 8, 2020Date of Patent: March 26, 2024Assignee: JOLED INC.Inventors: Yuichiro Ishiyama, Takahiro Seki
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Patent number: 11812565Abstract: A display apparatus includes a flexible display panel, a drive board that drives the display panel, a flexible board that connects the display panel and the drive board, a core to which the drive board is fixed, rolls up the display panel and the flexible board, and a connection member including a plate-shaped member that is layered on the display panel, connects the display panel and the core, and is rolled up around the core along with the display panel and the flexible board. The plate-shaped member includes a first part overlapping the display panel and curved when the display panel is rolled up around the core and a second part overlapping the flexible board and curved when the flexible board is rolled up around the core. In a roll-up direction, an elongation rate of the second part is smaller than that of the first part.Type: GrantFiled: January 5, 2022Date of Patent: November 7, 2023Assignee: JOLED INC.Inventor: Takahiro Seki
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Patent number: 11806975Abstract: Provided is a display apparatus including a display panel that is capable of being rolled up, and a protection member, the protection member including a back surface portion layered closer to a back surface of the display panel, a first folded portion folded toward a front surface of the display panel from one end of the back surface portion in an orthogonal direction orthogonal to a roll-up direction in which the display panel is rolled up, and a second folded portion folded toward the front surface from another end of the back surface portion in the orthogonal direction. In the display apparatus, the first folded portion includes a first front surface portion arranged at one end of the front surface in the orthogonal direction, and the second folded portion includes a second front surface portion arranged at another end of the front surface in the orthogonal direction.Type: GrantFiled: July 7, 2022Date of Patent: November 7, 2023Assignee: JOLED INC.Inventor: Takahiro Seki
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Patent number: 11678508Abstract: A display includes a display panel, a shock dispersion layer, a strain relaxation layer, and a shock absorption layer. The shock dispersion layer is provided on a light-extraction side of the display panel and has a Young's modulus of 50 GPa or greater. The strain relaxation layer is provided between the shock dispersion layer and the display panel and has a Young's modulus lower than the Young's modulus of the shock dispersion layer. The shock absorption layer is provided between the strain relaxation layer and the display panel and has a storage modulus of 10 kPa or greater and 1 MPa or less at a room temperature.Type: GrantFiled: March 15, 2021Date of Patent: June 13, 2023Assignee: JOLED INC.Inventors: Takahiro Seki, Katsumasa Yamazaki
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Publication number: 20230010101Abstract: Provided is a display apparatus including a display panel that is capable of being rolled up, and a protection member, the protection member including a back surface portion layered closer to a back surface of the display panel, a first folded portion folded toward a front surface of the display panel from one end of the back surface portion in an orthogonal direction orthogonal to a roll-up direction in which the display panel is rolled up, and a second folded portion folded toward the front surface from another end of the back surface portion in the orthogonal direction. In the display apparatus, the first folded portion includes a first front surface portion arranged at one end of the front surface in the orthogonal direction, and the second folded portion includes a second front surface portion arranged at another end of the front surface in the orthogonal direction.Type: ApplicationFiled: July 7, 2022Publication date: January 12, 2023Inventor: Takahiro SEKI
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Publication number: 20220404873Abstract: Provided is a display device including a panel member that has a display panel and a magnetic member adhering to a back surface of the display panel and that is capable of being rolled up, and a magnet that is positioned on a side, opposite to the display panel, of the magnetic member and attracts the magnetic member, in a state where the panel member is drawn out.Type: ApplicationFiled: June 16, 2022Publication date: December 22, 2022Inventor: Takahiro Seki
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Publication number: 20220225519Abstract: A display apparatus includes a flexible display panel, a drive board that drives the display panel, a flexible board that connects the display panel and the drive board, a core to which the drive board is fixed, rolls up the display panel and the flexible board, and a connection member including a plate-shaped member that is layered on the display panel, connects the display panel and the core, and is rolled up around the core along with the display panel and the flexible board. The plate-shaped member includes a first part overlapping the display panel and curved when the display panel is rolled up around the core and a second part overlapping the flexible board and curved when the flexible board is rolled up around the core. In a roll-up direction, an elongation rate of the second part is smaller than that of the first part.Type: ApplicationFiled: January 5, 2022Publication date: July 14, 2022Inventor: Takahiro SEKI
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Publication number: 20220121154Abstract: A watch component having an oxide film formed by oxidizing a base material containing iron as a main component, an average film thickness of the oxide film is from 70 nm to 145 nm, and a variation in film thickness of the oxide film is equal to or less than 35%.Type: ApplicationFiled: October 19, 2021Publication date: April 21, 2022Inventors: Takeshi SAKAMOTO, Kazunori HOSHINO, Takahiro SEKI, Ken WAKITA
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Publication number: 20220123258Abstract: A display panel according to one embodiment of the disclosure includes: a flexible substrate; a plurality of self-luminescent elements; a plurality of TFT circuits provided between the flexible substrate and the plurality of self-luminescent elements; a first inorganic film covering each of the TFT circuits; a second inorganic film covering each of the self-luminescent elements; and a resin layer covering the second inorganic film and covering at least a portion of the first inorganic film in contact with an end portion of the second inorganic film. The first inorganic film is provided between the plurality of TFT circuits and the plurality of self-luminescent elements, and has a step portion. The step portion is a thinned portion of the first inorganic film opposed to an end portion of the flexible substrate.Type: ApplicationFiled: January 8, 2020Publication date: April 21, 2022Applicant: JOLED INC.Inventors: Yuichiro ISHIYAMA, Takahiro SEKI
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Publication number: 20220059789Abstract: The display panel is a display panel that is flexible, including: an EL structure layer including a plurality of EL elements arranged two-dimensionally; a foamed resin layer on a side of the EL structure layer that is opposite to a light emitting surface of the EL structure layer; a metal layer provided between the EL structure layer and the foamed resin layer; and a first adhesive layer provided between the EL structure layer and the metal layer and comprises an adhesive having an elastic modulus of 90 kPa or more.Type: ApplicationFiled: August 10, 2021Publication date: February 24, 2022Applicant: JOLED INC.Inventors: Nobuo NAITO, Takahiro SEKI
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Publication number: 20210288287Abstract: A display includes a display panel, a shock dispersion layer, a strain relaxation layer, and a shock absorption layer. The shock dispersion layer is provided on a light-extraction side of the display panel and has a Young's modulus of 50 GPa or greater. The strain relaxation layer is provided between the shock dispersion layer and the display panel and has a Young's modulus lower than the Young's modulus of the shock dispersion layer. The shock absorption layer is provided between the strain relaxation layer and the display panel and has a storage modulus of 10 kPa or greater and 1 MPa or less at a room temperature.Type: ApplicationFiled: March 15, 2021Publication date: September 16, 2021Applicant: JOLED INC.Inventors: Takahiro SEKI, Katsumasa YAMAZAKI
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Patent number: 10964898Abstract: A display includes a display panel and a first protection sheet. The display panel has flexibility and a light output face. The first protection sheet is provided on the light output face and includes a first shock dispersion layer, a first strain relaxation layer, and a first shock absorption layer. The first shock dispersion layer includes a flexible reinforced-glass member, a flexible hard-coat film, or a flexible double-sided hard-coat film. The first strain relaxation layer includes a wet-laminated layer or a dry-laminated layer that is in close contact with a surface of the first shock dispersion layer adjacent to the display panel. The first shock absorption layer includes a gel layer having a thickness of submillimeter order or greater. The first shock absorption layer, the first strain relaxation layer, and the first shock dispersion layer are laminated in this order from the light output face of the display panel.Type: GrantFiled: July 29, 2019Date of Patent: March 30, 2021Assignee: JOLED INC.Inventors: Takahiro Seki, Katsumasa Yamazaki
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Publication number: 20200323247Abstract: An object of the present invention is to provide good-texture healthy boiled noodles or raw noodles having an effective health function of calcium alginate and excellent in texture by imparting a health function of calcium alginate to noodles, and in addition, without impairing original texture of noodles, and in order to solve the object, in a method for producing boiled noodles or raw noodles employing, as noodle making steps in a noodle production method, (A) a mixing and kneading step of kneading a dough by adding kneading water to a powder raw material for noodle production obtained through a mixture of raw materials containing wheat flour; and (B) a noodle making step of forming the dough into noodle strings, a 270-mesh pass pulverized calcium alginate powder is mixed in the powder raw material for noodle production in a ratio of 4 to 8 parts by mass based on 100 parts by mass of the powder raw material for noodle production, and thus, healthy boiled noodles or raw noodles with the health function of caType: ApplicationFiled: July 30, 2018Publication date: October 15, 2020Inventors: Fumiya Nishibori, Kazuyo Shiragami, Mariko Koike, Miho Tomokane, Takahiro Seki, Takuo Ogihara, Makoto Ezaki
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Patent number: 10720602Abstract: A display unit includes a flexible substrate, a display device layer, a polarizer, a first moisture barrier film, and a second moisture barrier film. The display device layer is provided on the flexible substrate. The polarizer is provided over the flexible substrate with the display device layer being interposed between the flexible substrate and the polarizer and has a first surface opposed to the flexible substrate, a second surface facing the first surface, and an end surface connecting the first surface and the second surface. The first moisture barrier film covers the first surface of the polarizer. The second moisture barrier film covers the second surface and the end surface of the polarizer, and is in contact with the first moisture barrier film.Type: GrantFiled: December 28, 2018Date of Patent: July 21, 2020Assignee: JOLED INC.Inventors: Takahiro Seki, Kanta Judai
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Publication number: 20200044170Abstract: A display includes a display panel and a first protection sheet. The display panel has flexibility and a light output face. The first protection sheet is provided on the light output face and includes a first shock dispersion layer, a first strain relaxation layer, and a first shock absorption layer. The first shock dispersion layer includes a flexible reinforced-glass member, a flexible hard-coat film, or a flexible double-sided hard-coat film. The first strain relaxation layer includes a wet-laminated layer or a dry-laminated layer that is in close contact with a surface of the first shock dispersion layer adjacent to the display panel. The first shock absorption layer includes a gel layer having a thickness of submillimeter order or greater. The first shock absorption layer, the first strain relaxation layer, and the first shock dispersion layer are laminated in this order from the light output face of the display panel.Type: ApplicationFiled: July 29, 2019Publication date: February 6, 2020Applicant: JOLED INC.Inventors: Takahiro SEKI, Katsumasa YAMAZAKI
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Patent number: 10504396Abstract: A display device includes: a display unit that includes a plurality of pixels and a plurality of scanning signal lines delivering scanning pulses to the plurality of pixels; and a scanning unit that includes a first switch provided in association with each of the plurality of scanning signal lines and selectively extracting the scanning pulse from one of a plurality of scanning pulse signals including the plurality of scanning pulses.Type: GrantFiled: July 9, 2018Date of Patent: December 10, 2019Assignee: Sony CorporationInventors: Seiichiro Jinta, Akira Yumoto, Takahiro Seki
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Patent number: RE48108Abstract: An image forming apparatus includes: an image carrier; a toner image forming unit that forms a toner image on the image carrier; a transfer unit that transfers the toner image on the image carrier to a transfer target having ridges and valleys on a surface thereof; an adjusting unit that adjusts a ratio of A/B, where A is a transfer ratio [%] from the image carrier to a valley portion of the transfer target while B is a transfer ratio [%] from the image carrier to a ridge portion of the transfer target, based on an adjustment input by a user; and a control unit that controls a transfer condition of the transfer unit based on the ratio of A/B adjusted by the adjusting unit.Type: GrantFiled: September 12, 2016Date of Patent: July 21, 2020Assignee: RICOH COMPANY, LTD.Inventors: Emiko Shiraishi, Yasuhiko Ogino, Reki Nakamura, Keigo Nakamura, Takahiro Seki