Patents by Inventor Kazuto TSURUOKA
Kazuto TSURUOKA 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: 11832472Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.Type: GrantFiled: April 11, 2022Date of Patent: November 28, 2023Assignee: Japan Display Inc.Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
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Publication number: 20220238842Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.Type: ApplicationFiled: April 11, 2022Publication date: July 28, 2022Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
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Patent number: 11322722Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.Type: GrantFiled: September 9, 2020Date of Patent: May 3, 2022Assignee: Japan Display Inc.Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
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Patent number: 11094759Abstract: A manufacturing method of a display device according to an embodiment of the present invention includes: forming a damming part in a component mounting area of a flexible base material having a display area provided with a plurality of pixels and the component mounting area where a component is mounted; and applying a resin composition to the component mounting area of the base material in a condition in which the component is mounted thereon, in this order. An outer periphery of the applied resin composition reaches a lateral surface of the damming part.Type: GrantFiled: March 26, 2019Date of Patent: August 17, 2021Assignee: Japan Display Inc.Inventors: Megumi Senda, Kazuto Tsuruoka
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Patent number: 10910464Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.Type: GrantFiled: March 2, 2020Date of Patent: February 2, 2021Assignee: Japan Display Inc.Inventor: Kazuto Tsuruoka
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Publication number: 20200403185Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.Type: ApplicationFiled: September 9, 2020Publication date: December 24, 2020Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
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Patent number: 10797265Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.Type: GrantFiled: June 4, 2019Date of Patent: October 6, 2020Assignee: Japan Display Inc.Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
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Publication number: 20200203466Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.Type: ApplicationFiled: March 2, 2020Publication date: June 25, 2020Applicant: Japan Display Inc.Inventor: Kazuto TSURUOKA
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Patent number: 10615246Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.Type: GrantFiled: November 20, 2018Date of Patent: April 7, 2020Assignee: Japan Display Inc.Inventor: Kazuto Tsuruoka
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Patent number: 10573849Abstract: A flexible substrate including a display area and a area to be bent, the area to be bent being provided with a wiring layer and not overlapping the display area. A first resin layer that extends along a boundary of the area to be bent and continuously surrounds the area to be bent is formed. Subsequently, a second resin layer is injected into an area surrounded by the first resin layer.Type: GrantFiled: June 12, 2017Date of Patent: February 25, 2020Assignee: Japan Display Inc.Inventor: Kazuto Tsuruoka
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Publication number: 20190341577Abstract: A display device includes a resin substrate; a display circuit layer on the resin substrate, the display circuit layer having a first area including a display area, the display circuit layer having a second area apart from the first area in a first direction; a first film attached to the first area of the display circuit layer via a first adhesive layer; a second film attached to the second area of the display circuit layer via a second adhesive layer; and a resin layer between the first area and the second area of the display circuit layer. The resin layer is in contact with an edge surface of the first film opposed to the second film. The resin layer is in contact with an edge surface of the second film opposed to the first film.Type: ApplicationFiled: July 15, 2019Publication date: November 7, 2019Applicant: Japan Display Inc.Inventors: Kazuto TSURUOKA, Kenji TORIBATAKE
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Publication number: 20190305061Abstract: A manufacturing method of a display device according to an embodiment of the present invention includes: forming a damming part in a component mounting area of a flexible base material having a display area provided with a plurality of pixels and the component mounting area where a component is mounted; and applying a resin composition to the component mounting area of the base material in a condition in which the component is mounted thereon, in this order. An outer periphery of the applied resin composition reaches a lateral surface of the damming part.Type: ApplicationFiled: March 26, 2019Publication date: October 3, 2019Applicant: Japan Display Inc.Inventors: Megumi Senda, Kazuto Tsuruoka
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Publication number: 20190288236Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.Type: ApplicationFiled: June 4, 2019Publication date: September 19, 2019Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
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Patent number: 10411208Abstract: A display device includes: a spacer; a flexible substrate having flexibility, the flexible substrate being provided with a display area for performing image display, a picture-frame area, a bent area, and a terminal area including a terminal, the display area, the picture-frame area, the bent area, and the terminal area being arranged in this order, the terminal area being disposed on a rear surface side of the spacer due to the bent area being bent so as to follow the shape of the spacer; and a reinforcing film including a first reinforcing portion attached to the rear surface side of the display area, a second reinforcing portion attached to a display surface side of the terminal area, and a bent reinforcing portion attached to an inner surface side of the bent area at a portion in a width direction of the flexible substrate.Type: GrantFiled: August 8, 2017Date of Patent: September 10, 2019Assignee: Japan Display Inc.Inventors: Naohisa Andou, Kazuto Tsuruoka
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Patent number: 10355240Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.Type: GrantFiled: September 29, 2017Date of Patent: July 16, 2019Assignee: Japan Display Inc.Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
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Patent number: 10340328Abstract: A display device includes a first substrate arranged with a plurality of pixels on a first surface, the plurality of pixels having a display element including a transistor, and a first wiring connected to the transistor, a through electrode arranged in a first contact hole reaching the first wiring from a second surface facing the first surface of the first substrate, a second wiring connected with the through electrode, a first insulation film arranged covering the second wiring on the second surface of the first substrate, and a terminal connected with a second wiring via a second contact hole arranged in the first insulation film.Type: GrantFiled: June 22, 2018Date of Patent: July 2, 2019Assignee: Japan Display Inc.Inventors: Kazuto Tsuruoka, Norio Oku
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Publication number: 20190165078Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.Type: ApplicationFiled: November 20, 2018Publication date: May 30, 2019Applicant: Japan Display Inc.Inventor: Kazuto TSURUOKA
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Patent number: 10217956Abstract: Provided is a display device including: a base material; a display region over the base material; a wiring over the base material, the wiring extending from the display region to an outside of the display region; and a pair of metal films over the base material, where the wiring is located between the pair of metal films in a plane view. The display region may be positioned between the pair of metal films, and the wiring and the pair of metal films may exist in the same layer.Type: GrantFiled: June 13, 2018Date of Patent: February 26, 2019Assignee: Japan Display Inc.Inventors: Naohisa Andou, Kazuto Tsuruoka
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Patent number: 10121800Abstract: A display device is provided including a substrate having a first region and a second region, a plurality of pixels above the first region, and a connection terminal above the second region, wherein a Young's modulus of the second region is higher than a Young's modulus of the first region.Type: GrantFiled: May 4, 2016Date of Patent: November 6, 2018Assignee: Japan Display Inc.Inventors: Kazuto Tsuruoka, Toshihiro Sato
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Publication number: 20180301525Abstract: A display device includes a first substrate arranged with a plurality of pixels on a first surface, the plurality of pixels having a display element including a transistor, and a first wiring connected to the transistor, a through electrode arranged in a first contact hole reaching the first wiring from a second surface facing the first surface of the first substrate, a second wiring connected with the through electrode, a first insulation film arranged covering the second wiring on the second surface of the first substrate, and a terminal connected with a second wiring via a second contact hole arranged in the first insulation film.Type: ApplicationFiled: June 22, 2018Publication date: October 18, 2018Inventors: Kazuto TSURUOKA, Norio Oku