Patents by Inventor Takuma NISHINOHARA
Takuma NISHINOHARA 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: 11605690Abstract: A display device includes: a substrate configured to contain an organic material; a first underlying film provided above the substrate; a thin film transistor provided above the first underlying film; a semiconductor film included in the thin film transistor and configured to have a channel region; and an electric field inhibition film provided between the first underlying film and the semiconductor film and configured to overlap the channel region in a plan view. The electric field inhibition film has a higher permittivity than the first underlying film.Type: GrantFiled: June 10, 2020Date of Patent: March 14, 2023Assignee: JAPAN DISPLAY INC.Inventors: Takuma Nishinohara, Hajime Akimoto
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Publication number: 20220077266Abstract: A display device includes a substrate having flexibility, a transistor having agate insulating film and further having a semiconductor layer and a gate electrode that sandwich the gate insulating film, the transistor formed in an area where the substrate is bent, and a gate wiring line so formed on the substrate as to be connected to the gate electrode, and the gate electrode has an area that is present in an area where the gate electrode overlaps with the semiconductor layer and is thinner than at least part of the gate wiring line.Type: ApplicationFiled: November 19, 2021Publication date: March 10, 2022Applicant: Japan Display Inc.Inventors: Yasukazu KIMURA, Masato HIRAMATSU, Takuma NISHINOHARA, Toshihiko ITOGA
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Patent number: 11217646Abstract: A display device includes a substrate having flexibility, a transistor having a gate insulating film and further having a semiconductor layer and a gate electrode that sandwich the gate insulating film, the transistor formed in an area where the substrate is bent, and a gate wiring line so formed on the substrate as to be connected to the gate electrode, and the gate electrode has an area that is present in an area where the gate electrode overlaps with the semiconductor layer and is thinner than at least part of the gate wiring line.Type: GrantFiled: December 31, 2019Date of Patent: January 4, 2022Assignee: Japan Display Inc.Inventors: Yasukazu Kimura, Masato Hiramatsu, Takuma Nishinohara, Toshihiko Itoga
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Publication number: 20200303483Abstract: A display device includes: a substrate configured to contain an organic material; a first underlying film provided above the substrate; a thin film transistor provided above the first underlying film; a semiconductor film included in the thin film transistor and configured to have a channel region; and an electric field inhibition film provided between the first underlying film and the semiconductor film and configured to overlap the channel region in a plan view. The electric field inhibition film has a higher permittivity than the first underlying film.Type: ApplicationFiled: June 10, 2020Publication date: September 24, 2020Applicant: Japan Display Inc.Inventors: Takuma NISHINOHARA, Hajime AKIMOTO
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Patent number: 10734462Abstract: A display device includes a substrate that is formed of a plurality of layers stacked together and a circuit layer. A circuit layer includes a display element area in which a plurality of pixel electrodes corresponding to a plurality of unit pixels and a self-luminous element layer are provided, and a peripheral area that has a wiring to the display element area and a terminal and is at least partially bent. The substrate includes a first area that overlaps the display element area of the circuit layer and a second area that overlaps the peripheral area and is at least partially bent. The layers include at least one inorganic layer and a plurality of organic layers. The number of the organic layers in the first area is greater than the number of the organic layers in the second area.Type: GrantFiled: April 3, 2019Date of Patent: August 4, 2020Assignee: Japan Display Inc.Inventor: Takuma Nishinohara
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Patent number: 10714507Abstract: A semiconductor device includes a first resin layer, one or more first wirings above the first resin layer, a second resin layer above the first wiring, the second resin layer including a first opening part, a transistor above the second resin layer, the transistor including a semiconductor layer, a gate insulation layer, and a gate electrode layer; and a second wiring above the second resin layer, the second wiring being connected to the transistor and connected to the first wiring via the first opening part.Type: GrantFiled: April 16, 2019Date of Patent: July 14, 2020Assignee: Japan Display Inc.Inventors: Toshinari Sasaki, Shinichiro Oka, Takuma Nishinohara
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Publication number: 20200135828Abstract: A display device includes a substrate having flexibility, a transistor having a gate insulating film and further having a semiconductor layer and a gate electrode that sandwich the gate insulating film, the transistor formed in an area where the substrate is bent, and a gate wiring line so formed on the substrate as to be connected to the gate electrode, and the gate electrode has an area that is present in an area where the gate electrode overlaps with the semiconductor layer and is thinner than at least part of the gate wiring line.Type: ApplicationFiled: December 31, 2019Publication date: April 30, 2020Applicant: Japan Display Inc.Inventors: Yasukazu KIMURA, Masato HIRAMATSU, Takuma NISHINOHARA, Toshihiko ITOGA
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Patent number: 10636858Abstract: A display device includes a base layer having a first surface and a second surface, a display region arranged on the first surface of the base layer, a drive circuit region arranged on the outer side of the display region, and a wiring region between the display region and the drive circuit region. The wiring region includes a plurality of wirings having a plurality of connected polygonal shaped conductive patterns in which the inner portions thereof are removed, the base layer includes a plurality of through-holes penetrating from the first surface to the second surface in the wiring region, and the plurality of through-holes are arranged on the inner portion of the conductive pattern.Type: GrantFiled: May 16, 2018Date of Patent: April 28, 2020Assignee: Japan Display Inc.Inventor: Takuma Nishinohara
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Patent number: 10586839Abstract: A display device includes: a flexible substrate; a pixel over the flexible substrate, the pixel including a transistor and a display element; a first wiring for transmitting a signal to the pixel, the first wiring extending in a first direction; a second wiring extending in a second direction intersecting the first direction; an inorganic insulating layer on a higher level than the first wiring or the second wiring; and an organic insulating layer on a higher level than the inorganic insulating layer, wherein the inorganic insulating layer has an opening exposing a part of the upper surface of the first wiring or the second wiring is exposed, and the organic insulating layer is provided in such a way as to fill the opening.Type: GrantFiled: June 25, 2019Date of Patent: March 10, 2020Assignee: Japan Display Inc.Inventors: Yasukazu Kimura, Takuma Nishinohara, Toshihiko Itoga, Hajime Akimoto
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Patent number: 10566400Abstract: A display device includes a substrate having flexibility, a transistor having a gate insulating film and further having a semiconductor layer and a gate electrode that sandwich the gate insulating film, the transistor formed in an area where the substrate is bent, and a gate wiring line so formed on the substrate as to be connected to the gate electrode, and the gate electrode has an area that is present in an area where the gate electrode overlaps with the semiconductor layer and is thinner than at least part of the gate wiring line.Type: GrantFiled: March 30, 2017Date of Patent: February 18, 2020Assignee: Japan Display Inc.Inventors: Yasukazu Kimura, Masato Hiramatsu, Takuma Nishinohara, Toshihiko Itoga
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Publication number: 20190312092Abstract: A display device includes: a flexible substrate; a pixel over the flexible substrate, the pixel including a transistor and a display element; a first wiring for transmitting a signal to the pixel, the first wiring extending in a first direction; a second wiring extending in a second direction intersecting the first direction; an inorganic insulating layer on a higher level than the first wiring or the second wiring; and an organic insulating layer on a higher level than the inorganic insulating layer, wherein the inorganic insulating layer has an opening exposing a part of the upper surface of the first wiring or the second wiring is exposed, and the organic insulating layer is provided in such a way as to fill the opening.Type: ApplicationFiled: June 25, 2019Publication date: October 10, 2019Inventors: Yasukazu KIMURA, Takuma NISHINOHARA, Toshihiko ITOGA, Hajime AKIMOTO
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Publication number: 20190244977Abstract: A semiconductor device includes a first resin layer, one or more first wirings above the first resin layer, a second resin layer above the first wiring, the second resin layer including a first opening part, a transistor above the second resin layer, the transistor including a semiconductor layer, a gate insulation layer, and a gate electrode layer; and a second wiring above the second resin layer, the second wiring being connected to the transistor and connected to the first wiring via the first opening part.Type: ApplicationFiled: April 16, 2019Publication date: August 8, 2019Inventors: Toshinari SASAKI, Shinichiro OKA, Takuma NISHINOHARA
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Patent number: 10374023Abstract: A display device includes: a flexible substrate; a pixel over the flexible substrate, the pixel including a transistor and a display element; a first wiring for transmitting a signal to the pixel, the first wiring extending in a first direction; a second wiring extending in a second direction intersecting the first direction; an inorganic insulating layer on a higher level than the first wiring or the second wiring; and an organic insulating layer on a higher level than the inorganic insulating layer, wherein the inorganic insulating layer has an opening exposing a part of the upper surface of the first wiring or the second wiring is exposed, and the organic insulating layer is provided in such a way as to fill the opening.Type: GrantFiled: October 31, 2017Date of Patent: August 6, 2019Assignee: Japan Display Inc.Inventors: Yasukazu Kimura, Takuma Nishinohara, Toshihiko Itoga, Hajime Akimoto
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Publication number: 20190229171Abstract: A display device includes a substrate that is formed of a plurality of layers stacked together and a circuit layer. A circuit layer includes a display element area in which a plurality of pixel electrodes corresponding to a plurality of unit pixels and a self-luminous element layer are provided, and a peripheral area that has a wiring to the display element area and a terminal and is at least partially bent. The substrate includes a first area that overlaps the display element area of the circuit layer and a second area that overlaps the peripheral area and is at least partially bent. The layers include at least one inorganic layer and a plurality of organic layers. The number of the organic layers in the first area is greater than the number of the organic layers in the second area.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Applicant: Japan Display Inc.Inventor: Takuma NISHINOHARA
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Patent number: 10319799Abstract: A display device includes a substrate that is formed of a plurality of layers stacked together and a circuit layer. A circuit layer includes a display element area in which a plurality of pixel electrodes corresponding to a plurality of unit pixels and a self-luminous element layer are provided, and a peripheral area that has a wiring to the display element area and a terminal and is at least partially bent. The substrate includes a first area that overlaps the display element area of the circuit layer and a second area that overlaps the peripheral area and is at least partially bent. The layers include at least one inorganic layer and a plurality of organic layers. The number of the organic layers in the first area is greater than the number of the organic layers in the second area.Type: GrantFiled: November 9, 2016Date of Patent: June 11, 2019Assignee: Japan Display Inc.Inventor: Takuma Nishinohara
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Patent number: 10304863Abstract: A semiconductor device includes a first resin layer, one or more first wirings above the first resin layer, a second resin layer above the first wiring, the second resin layer including a first opening part, a transistor above the second resin layer, the transistor including a semiconductor layer, a gate insulation layer, and a gate electrode layer; and a second wiring above the second resin layer, the second wiring being connected to the transistor and connected to the first wiring via the first opening part.Type: GrantFiled: September 8, 2017Date of Patent: May 28, 2019Assignee: Japan Display Inc.Inventors: Toshinari Sasaki, Shinichiro Oka, Takuma Nishinohara
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Publication number: 20180350892Abstract: A display device includes a base layer having a first surface and a second surface, a display region arranged on the first surface of the base layer, a drive circuit region arranged on the outer side of the display region, and a wiring region between the display region and the drive circuit region. The wiring region includes a plurality of wirings having a plurality of connected polygonal shaped conductive patterns in which the inner portions thereof are removed, the base layer includes a plurality of through-holes penetrating from the first surface to the second surface in the wiring region, and the plurality of through-holes are arranged on the inner portion of the conductive pattern.Type: ApplicationFiled: May 16, 2018Publication date: December 6, 2018Inventor: Takuma NISHINOHARA
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Patent number: 10135014Abstract: Disclosed is a display device, including a first substrate having flexibility including a pixel region and a frame region around the pixel region, a pixel arranged on a first surface of the first substrate in the pixel region, and a terminal section arranged in the frame region and connected to the pixel, in which the first substrate includes an adjustment region between the pixel and the terminal section, the adjustment region having a different Young's modulus from those of the pixel region and the frame region.Type: GrantFiled: August 25, 2017Date of Patent: November 20, 2018Assignee: Japan Display Inc.Inventors: Takuma Nishinohara, Yasukazu Kimura
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Patent number: 9972667Abstract: A display device includes a substrate having an insulating surface; a plurality of pixel electrodes on the insulating surface, the plurality of pixel electrodes located away from each other; a first insulating layer covering an end of each of the pixel electrodes and exposing a part of a top surface of each of the pixel electrodes; and an organic layer provided on each of the pixel electrodes, the organic layer including a light emitting layer. As seen in a plan view, the first insulating layer includes a plurality of first regions, each of the plurality of first regions being around the exposed part of the top surface of the pixel electrodes, and a second region located between two adjacent first regions, the second region including a recessed portion.Type: GrantFiled: September 12, 2017Date of Patent: May 15, 2018Assignee: Japan Display Inc.Inventors: Yasukazu Kimura, Takuma Nishinohara, Toshihiko Itoga, Hajime Akimoto
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Publication number: 20180097048Abstract: A display device includes a substrate having an insulating surface; a plurality of pixel electrodes on the insulating surface, the plurality of pixel electrodes located away from each other; a first insulating layer covering an end of each of the pixel electrodes and exposing a part of a top surface of each of the pixel electrodes; and an organic layer provided on each of the pixel electrodes, the organic layer including a light emitting layer. As seen in a plan view, the first insulating layer includes a plurality of first regions, each of the plurality of first regions being around the exposed part of the top surface of the pixel electrodes, and a second region located between two adjacent first regions, the second region including a recessed portion.Type: ApplicationFiled: September 12, 2017Publication date: April 5, 2018Inventors: Yasukazu Kimura, Takuma Nishinohara, Toshihiko Itoga, Hajime Akimoto