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公开(公告)号：US11721276B2
公开(公告)日：2023-08-08
申请号：US17471202
申请日：2021-09-10
申请人： Japan Display Inc.
发明人： Masanobu Ikeda , Yoshinori Aoki , Akihiro Ogawa , Yasuhiro Kanaya
CPC分类号： G09G3/32 , H01L23/34 , H01L27/156 , G09G2300/0426 , G09G2300/0452 , G09G2300/0819 , G09G2320/041
摘要： A display device includes a substrate, a plurality of pixels provided on the substrate, a light emitting element provided to each of the plurality of pixels, a first electrode provided to the substrate and electrically coupled to the light emitting element, a pixel circuit provided to the substrate and configured to drive the light emitting element, and a heat generation resistor provided to the pixel circuit.
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公开(公告)号：US20210098527A1
公开(公告)日：2021-04-01
申请号：US17034368
申请日：2020-09-28
申请人： Japan Display Inc.
发明人： Masanobu Ikeda , Yoshinori Aoki , Akihiro Ogawa , Yasuhiro Kanaya
摘要： A display device, includes: a substrate; a plurality of pixels provided on the substrate; and a plurality of light emitting elements provided in each of the pixels. A first distance between a top surface of the substrate and one of the light emitting elements in a direction perpendicular to the top surface of the substrate, in a center portion of a display region of the substrate, is different from a second distance between the top surface of the substrate and another one of the light emitting elements in the direction perpendicular to the top surface of the substrate, in a periphery portion of the display region.
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公开(公告)号：US20190220147A1
公开(公告)日：2019-07-18
申请号：US16366400
申请日：2019-03-27
申请人： Japan Display Inc.
发明人： Hayato Kurasawa , Shoji Hinata , Toshinori Uehara , Hiroshi Mizuhashi , Yuji Suzuki , Yasuhiro Kanaya
CPC分类号： G06F3/0418 , G06F3/0412 , G06F3/0416 , G06F3/044 , G06F2203/0338 , G06F2203/04107 , G06F2203/04108 , G06K9/0002 , G06K9/00053
摘要： 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：US09995978B2
公开(公告)日：2018-06-12
申请号：US15088854
申请日：2016-04-01
申请人： Japan Display Inc.
IPC分类号： G02F1/1333 , G02F1/1345 , G02F1/13 , G02F1/1362
CPC分类号： G02F1/13458 , G02F1/1345 , G02F1/13452 , G02F1/136259 , G02F1/136286 , G02F2001/13456
摘要： To improve the reliability of a display device.The display device includes a display portion, an input unit, and a lead-out wiring portion which connects the display portion and the input unit to each other. In addition, the input unit includes a first terminal group in which a plurality of first terminals are arranged. In addition, the lead-out wiring portion includes a plurality of first lead-out wirings connected to the plurality of first terminals. In addition, a first end-portion wiring, which is formed in an end portion of an array, among the plurality of first lead-out wirings, includes a first main line which extends along an extending direction of a neighboring first lead-out wiring, a first bypass line which extends along the first main line, and a first branch portion and a second branch portion which connect the first main line and the first bypass line to each other.
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公开(公告)号：US20180101076A1
公开(公告)日：2018-04-12
申请号：US15834388
申请日：2017-12-07
申请人： Japan Display Inc.
IPC分类号： G02F1/1362 , H01L27/12 , G02F1/1368
CPC分类号： G02F1/136227 , G02F1/1362 , G02F1/136286 , G02F1/1368 , H01L27/1222 , H01L27/124 , H01L27/1251
摘要： 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：US09910331B2
公开(公告)日：2018-03-06
申请号：US14844464
申请日：2015-09-03
申请人： Japan Display Inc.
IPC分类号： G02F1/1362 , H01L27/12 , G02F1/1368
CPC分类号： G02F1/136227 , G02F1/1362 , G02F1/136286 , G02F1/1368 , H01L27/1222 , H01L27/124 , H01L27/1251
摘要： 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：US12041821B2
公开(公告)日：2024-07-16
申请号：US17330607
申请日：2021-05-26
申请人： Japan Display Inc.
发明人： Yasuhiro Kanaya , Masanobu Ikeda
IPC分类号： H10K59/131 , H10K59/12 , H10K59/121 , H10K71/00
CPC分类号： H10K59/1213 , H10K59/131 , H10K71/00 , H10K59/1201
摘要： According to one embodiment, a display panel includes a substrate, a first insulating layer, and a plurality of pixels including sub-pixels of a plurality of colors, respectively. Each of the sub-pixels includes a drive transistor, a pixel electrode supplied with a signal having a current value controlled from the drive transistor, and a light emitting element mounted on the pixel electrode. Each of the pixels includes a mounting electrode located to be spaced apart from the pixel electrode. The mounting electrode is in an electrically floating state in a first pixel of the plurality of pixels.
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公开(公告)号：US11774811B2
公开(公告)日：2023-10-03
申请号：US17074980
申请日：2020-10-20
申请人： Japan Display Inc.
发明人： Hidetatsu Nakamura , Yasuhiro Kanaya , Gen Koide , Hiroyuki Abe
IPC分类号： G02F1/1345 , G02F1/1333 , G02F1/1362 , H01L23/60 , H01L27/12 , G02F1/1343
CPC分类号： G02F1/13458 , G02F1/1345 , G02F1/13629 , G02F1/133345 , G02F1/136204 , H01L23/60 , H01L27/1244 , H01L27/1248 , G02F1/13338 , G02F1/134363 , G02F2202/104
摘要： The purpose of the present invention is to prevent an overhang in a through hole in the display area when through holes in the organic passivation film in the display area and in the terminal area are simultaneously formed. The structure to realize this purpose is as follows: the terminal area having a lead wire, formed from a first metal, and extending to the display area, a first insulating film covering the lead wire, a second metal formed on the first insulating film, and a third metal formed on the surface of the second metal, wherein the first insulating film has a first through hole and a second through hole, the second metal has a first portion that connects with the lead wire via the first through hole, the second metal has a second portion that overlaps the second through hole, the second portion is separated from the first portion.
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公开(公告)号：US11362078B2
公开(公告)日：2022-06-14
申请号：US17244477
申请日：2021-04-29
申请人： Japan Display Inc.
发明人： Masanobu Ikeda , Yuji Maede , Yasuhiro Kanaya
摘要： According to an aspect, a display device includes: a substrate; and a plurality of pixels provided on the substrate. Each of the pixels includes a red light emitting element and a first green light emitting element. When the first green light emitting element and the red light emitting element are turned on simultaneously, an emission intensity of the first green light emitting element is lower than an emission intensity of the red light emitting element, and a half width of a spectrum of light output from the first green light emitting element is greater than a half width of a spectrum of light output from the red light emitting element.
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10.发明授权公开(公告)号：US10288959B2
公开(公告)日：2019-05-14
申请号：US15668747
申请日：2017-08-04
申请人： Japan Display Inc.
IPC分类号： G02F1/1333 , G02F1/1337 , G02F1/1343 , G02F1/1345 , G02F1/1362 , G02F1/1368
摘要： A terminal structure that keeps the resistance of its connecting portion small and secures mechanical reliability is to be achieved. A display device includes a display region and a terminal region. A terminal formed in the terminal region is formed with a terminal metal, a first oxide conductive film covering the end portion of the terminal metal, and a second oxide conductive film covering the first oxide conductive film and the terminal metal. The first oxide conductive film has an opening in the center part of the terminal.
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