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公开(公告)号：US11300835B2
公开(公告)日：2022-04-12
申请号：US16937962
申请日：2020-07-24
Applicant: Japan Display Inc.
Inventor： Takenori Hirota , Yasuhiro Kanaya , Hidehiro Sonoda , Toshiki Kaneko
IPC: G02F1/1339 , G02F1/1333
Abstract: A reliability of seal portion of a liquid crystal display device can be improved by the following structure. A liquid crystal display device includes: a TFT substrate which includes a display region and a terminal part, and has an inorganic insulating film formed on an organic passivation film and an alignment film formed over the inorganic insulating film; a counter substrate, the TFT substrate and the counter substrate bonded together by a sealing material formed at a seal part surrounding the display region; and a liquid crystal sealed inside. At the seal part, a transparent conductive oxide film is formed between the inorganic insulating film and the alignment film. The transparent conductive oxide film exists inside an edge of the TFT substrate and hence, the edge of the TFT substrate is free of the transparent conductive oxide film.
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公开(公告)号：US10761380B2
公开(公告)日：2020-09-01
申请号：US16373832
申请日：2019-04-03
Applicant: Japan Display Inc.
Inventor： Takenori Hirota , Yasuhiro Kanaya , Hidehiro Sonoda , Toshiki Kaneko
IPC: G02F1/1339 , G02F1/1333
Abstract: A reliability of seal portion of a liquid crystal display device can be improved by the following structure. A liquid crystal display device includes: a TFT substrate which includes a display region and a terminal part, and has an inorganic insulating film formed on an organic passivation film and an alignment film formed over the inorganic insulating film; a counter substrate, the TFT substrate and the counter substrate bonded together by a sealing material formed at a seal part surrounding the display region; and a liquid crystal sealed inside. At the seal part, a transparent conductive oxide film is formed between the inorganic insulating film and the alignment film. The transparent conductive oxide film exists inside an edge of the TFT substrate and hence, the edge of the TFT substrate is free of the transparent conductive oxide film.
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公开(公告)号：US20200225805A1
公开(公告)日：2020-07-16
申请号：US16828166
申请日：2020-03-24
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Shoji Hinata , Toshinori Uehara , Hiroshi Mizuhashi , Yuji Suzuki , Yasuhiro Kanaya
Abstract: Included are a first cover base including an alkali glass layer, a first alkali-free glass layer provided on one face of the alkali glass layer, and a second alkali-free glass layer provided on another face of the alkali glass layer and a sensor that is provided on the first alkali-free glass layer of the first cover base and includes a plurality of first electrodes configured to detect the unevenness of a surface of an object to be detected that comes into contact with or close to the first cover base and a switching element. At least the first electrodes are formed above the first alkali-free glass layer and in a transmissive area that passes an image.
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公开(公告)号：US10120253B2
公开(公告)日：2018-11-06
申请号：US15834388
申请日：2017-12-07
Applicant: Japan Display Inc.
Inventor： Motoharu Miyamoto , Teppei Yamada , Yasuhiro Kanaya
IPC: G02F1/1362 , H01L27/12 , G02F1/1368
Abstract: A display device is provided with a pixel and a dummy pixel including a gate line and a signal line. The dummy pixel includes the gate line and a dummy semiconductor layer crossing the gate line through an insulating layer. The dummy semiconductor layer is electrically separated from the dummy semiconductor layer of the dummy pixel adjacent in the Y direction dummy pixel. The dummy pixel further includes a dummy signal line extending in the Y direction. The dummy signal line is connected to the dummy semiconductor layer through a plurality of contact holes. The contact holes are arranged with the gate line interposed between them in plan view.
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公开(公告)号：US12300686B2
公开(公告)日：2025-05-13
申请号：US18583418
申请日：2024-02-21
Applicant: Japan Display Inc.
Inventor： Masanobu Ikeda , Yasuhiro Kanaya , Tadafumi Ozaki
Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixels arrayed on the substrate; a plurality of inorganic light-emitting elements that are provided in the pixels, respectively; a transistor provided to a first surface of the substrate and coupled to one of the inorganic light-emitting elements; wiring provided to the first surface of the substrate and coupled to the transistor; and a circular polarization plate provided on a first side of the substrate.
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Patent Agency Ranking
公开(公告)号：US12283581B2
公开(公告)日：2025-04-22
申请号：US17454535
申请日：2021-11-11
Applicant: Japan Display Inc.
Inventor： Yasuhiro Kanaya
Abstract: According to one embodiment, a display device includes a substrate, a light-emitting element mounted on the substrate, an anode terminal disposed on an bottom portion of the light-emitting element and a cathode terminal disposed on an emitting surface of the light emitting element, on an opposite side to the anode terminal, and the cathode terminal is formed of a metal material.
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公开(公告)号：US12015021B2
公开(公告)日：2024-06-18
申请号：US17212100
申请日：2021-03-25
Applicant: Japan Display Inc.
Inventor： Masanobu Ikeda , Yasuhiro Kanaya , Yoshinori Aoki
CPC classification number: H01L25/167 , H01L27/1237 , H01L27/124 , H01L27/1248
Abstract: A display device includes a substrate, a plurality of pixels provided to the substrate, a light emitting element and a plurality of transistors provided to each of the pixels, signal lines configured to supply a signal to the pixels, a first semiconductor layer and a second semiconductor layer provided in different layers in a direction perpendicular to the substrate and overlap at least partially in planar view, first gate electrodes each of which is provided in a region overlapping a part of the first semiconductor layer, a first insulating film provided between the first gate electrodes and the first semiconductor layer, and a second insulating film provided between the first semiconductor layer and the second semiconductor layer.
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公开(公告)号：US11990480B2
公开(公告)日：2024-05-21
申请号：US17209314
申请日：2021-03-23
Applicant: Japan Display Inc.
Inventor： Masanobu Ikeda , Yasuhiro Kanaya , Yoshinori Aoki
CPC classification number: H01L27/124 , H01L25/167 , H01L27/1248
Abstract: A display device includes a substrate, a plurality of pixels provided to the substrate, a light emitting element and a plurality of transistors provided to each of the pixels, a plurality of signal lines configured to supply a signal to the pixels, a power supply line configured to supply a drive potential to the pixels, a first metal layer, a second metal layer, and a third metal layer provided in different layers in a direction perpendicular to the substrate, a first insulating film provided between the first metal layer and the second metal layer, and a second insulating film provided between the second metal layer and the third metal layer.
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公开(公告)号：US11810886B2
公开(公告)日：2023-11-07
申请号：US17460307
申请日：2021-08-30
Applicant: Japan Display Inc.
Inventor： Masanobu Ikeda , Osamu Itou , Yasuhiro Kanaya
CPC classification number: H01L24/29 , H01L24/32 , H01L25/167 , H01L24/83 , H01L25/162 , H01L2224/29011 , H01L2224/29339 , H01L2224/32505 , H01L2224/8384 , H01L2924/351
Abstract: A display device includes a substrate; a plurality of pixels on the substrate; a light emitting element in each of the plurality of pixels; a first electrode electrically coupled with the light emitting element; a transistor on the substrate and electrically coupled with the first electrode; and a coupling layer between the first electrode and the light emitting element in a direction perpendicular to the substrate and containing a plurality of first conductive nanoparticles.
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公开(公告)号：US11626450B2
公开(公告)日：2023-04-11
申请号：US17104842
申请日：2020-11-25
Applicant: Japan Display Inc.
Inventor： Masanobu Ikeda , Yasuhiro Kanaya
Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixels disposed on the substrate; a plurality of inorganic light emitting elements that are provided in the pixels, respectively; an electrode that is translucent and provided on one surface side of the substrate and that is coupled to one of the inorganic light emitting elements; a first conductive layer that is translucent and provided on the one surface side of the substrate and that covers the electrode; and a cover member that is translucent and provided on the one surface side of the substrate and that covers the first conductive layer. A sheet resistance value of the first conductive layer is higher than a sheet resistance value of the electrode.
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