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公开(公告)号：US11916051B2
公开(公告)日：2024-02-27
申请号：US17104850
申请日：2020-11-25
Applicant: Japan Display Inc.
Inventor： Yasuhiro Kanaya , Masanobu Ikeda
CPC classification number: H01L25/167 , H01L33/62 , G09G3/32
Abstract: A display device including a substrate, a plurality of pixels, a plurality of inorganic light-emitting elements, a flattening film, and an inorganic film. The pixels are arrayed on the substrate and display different colors. The inorganic light-emitting elements are provided to the respective pixels. The flattening film surrounds at least a side surface of the inorganic light-emitting element. The inorganic film covers the flattening film and the inorganic light-emitting element. The upper surface of the inorganic light-emitting element is exposed from the flattening film and is in contact with the inorganic film. Alternatively, the flattening film is provided covering the upper surface of the inorganic light-emitting element.
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公开(公告)号：US11811002B2
公开(公告)日：2023-11-07
申请号：US17240469
申请日：2021-04-26
Applicant: Japan Display Inc.
Inventor： Masanobu Ikeda , Osamu Ito , Yasuhiro Kanaya , Tadafumi Ozaki
IPC: H01L33/32 , H01L25/075 , H01L33/06
CPC classification number: H01L33/32 , H01L25/0753 , H01L33/06
Abstract: According to an aspect, a display device includes: a substrate; a plurality of pixels provided on the substrate; and a first light emitting element and a second light emitting element that are included in each of the pixels. A light emitting layer of the first light emitting element includes gallium nitride to which europium is added, and a light emitting layer of the second light emitting element includes a multi-quantum well structure in which indium gallium nitride and gallium nitride are layered.
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公开(公告)号：US11581462B2
公开(公告)日：2023-02-14
申请号：US17005629
申请日：2020-08-28
Applicant: Japan Display Inc.
Inventor： Yasuhiro Kanaya
IPC: H01L33/00 , H01L33/62 , H01L33/60 , H01L25/075
Abstract: A display device includes a substrate, an interlayer insulating layer over the substrate, a metal layer over the interlayer insulating layer, and a light emitting element over the metal layer. The interlayer insulating layer includes a plurality of a first depressed portions. The metal layer includes a first region bonding to the light emitting element and a second region surrounding the first region. The second region, a plurality of second depressed portions is provided along the plurality of first depressed portions.
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公开(公告)号：US20210278950A1
公开(公告)日：2021-09-09
申请号：US17317163
申请日：2021-05-11
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：US10372003B2
公开(公告)日：2019-08-06
申请号：US15782930
申请日：2017-10-13
Applicant: Japan Display Inc.
Inventor： Yasuhiro Kanaya
IPC: G02F1/136 , G02F1/1362 , G02F1/1335 , G02F1/1343 , H01L21/768 , G02F1/1333
Abstract: According to one embodiment, a display device includes a first substrate including a semiconductor layer, a first inorganic insulating film provided above the semiconductor layer and including a first opening, an organic insulating film provided above the semiconductor layer and including a second opening in a region which overlaps the first opening, a metal film stacked on the semiconductor layer and a pixel electrode provided in the first opening and the second opening to be in contact with the metal film and the semiconductor layer, and the metal film is spaced from a first side surface of the first opening and a second side surface of the second opening.
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Patent Agency Ranking
公开(公告)号：US20180011601A1
公开(公告)日：2018-01-11
申请号：US15642792
申请日：2017-07-06
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Shoji Hinata , Toshinori Uehara , Hiroshi Mizuhashi , Yuji Suzuki , Yasuhiro Kanaya
CPC classification number: G06F3/0418 , G06F3/0412 , G06F3/0416 , G06F3/044 , G06F2203/0338 , G06F2203/04107 , G06F2203/04108 , G06K9/0002
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：US12243962B2
公开(公告)日：2025-03-04
申请号：US17560256
申请日：2021-12-23
Applicant: Japan Display Inc.
Inventor： Yasuhiro Kanaya
Abstract: According to one embodiment, a display device includes a first substrate on which a light emitting element is mounted and a second substrate that faces the first substrate. The second substrate includes a reflector plate at a position above the light emitting element and facing a light emission surface of the light emitting element.
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公开(公告)号：US11955492B2
公开(公告)日：2024-04-09
申请号：US17447958
申请日：2021-09-17
Applicant: Japan Display Inc.
Inventor： Yoshinori Aoki , Yasuhiro Kanaya , Akihiro Ogawa
CPC classification number: H01L27/124 , H01L25/167 , H01L27/1255 , H01L33/62
Abstract: According to one embodiment, a display device includes a display panel including a display area for displaying an image, and the display panel includes an insulating substrate, a first electrode, a first organic insulating layer, an inorganic insulating layer, a pixel electrode, a second organic insulating layer, and a pad portion. The inorganic insulating layer includes a first opening for electrically connecting the first electrode to the pixel electrode. The second organic insulating layer includes a second opening for electrically connecting the pixel electrode to the pad portion. The pixel electrode is formed of a transparent conductive material.
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公开(公告)号：US11852923B2
公开(公告)日：2023-12-26
申请号：US17685441
申请日：2022-03-03
Applicant: Japan Display Inc.
Inventor： Takenori Hirota , Yasuhiro Kanaya , Hidehiro Sonoda , Toshiki Kaneko
IPC: G02F1/1339 , G02F1/1333
CPC classification number: G02F1/1339 , G02F1/133345 , G02F1/133388
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：US11824150B2
公开(公告)日：2023-11-21
申请号：US17148845
申请日：2021-01-14
Applicant: Japan Display Inc.
Inventor： Masanobu Ikeda , Yasuhiro Kanaya
CPC classification number: H01L33/642 , H01L25/167 , H01L33/44 , H01L33/62
Abstract: A display device comprising: a substrate having a first surface and a second surface opposite to the first surface; a plurality of pixels arrayed in a display region of the substrate; an inorganic light-emitting element provided to each of the pixels on the first surface of the substrate; cathode wiring provided in a peripheral region between the display region and an end of the substrate on the first surface of the substrate and electrically coupled to the inorganic light-emitting element; and a heat radiator provided on the second surface of the substrate, wherein the substrate has a through hole that connects the first surface with the second surface in the peripheral region of the substrate and overlaps the cathode wiring in planar view viewed from a direction perpendicular to the first surface of the substrate.
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