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公开(公告)号：US10969920B2
公开(公告)日：2021-04-06
申请号：US16371946
申请日：2019-04-01
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Toshinori Uehara , Yuji Suzuki
Abstract: According to an aspect, a display device includes: a first substrate; a second substrate facing the first substrate; a display function layer between the first substrate and the second substrate and displaying an image; first electrodes in a detection region of the first substrate; second electrodes in the detection region above the second substrate; a first electrode selection circuit in a peripheral region outside the detection region of the first substrate; and a second electrode selection circuit in a region overlapping with the peripheral region above the second substrate. The first electrode selection circuit selects some of the first electrodes, and supplies detection drive signals having phases determined on the basis of a certain code to the selected first electrodes. The second electrode selection circuit selects some of the second electrodes on the basis of a certain code, and couples the selected second electrodes to a single output signal line.
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公开(公告)号：US10324559B2
公开(公告)日：2019-06-18
申请号：US15243309
申请日：2016-08-22
Applicant: Japan Display Inc.
Inventor： Shinya Iuchi , Hayato Kurasawa , Masahiro Togashi , Tsutomu Harada , Yuji Suzuki
Abstract: A display device unit includes a plurality of image display panels in such a manner that display surfaces of the plurality of image display panels are orderly arranged on a flat surface, and is configured to display an image using the plurality of display surfaces as a single screen. The image display panel includes a drive electrode unit to which an application voltage is applied and a detection electrode unit at which a detection voltage is generated in accordance with the application voltage. The application voltage is applied solely to the drive electrode unit included in an application image display panel which is a part of the image display panels.
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公开(公告)号：US10282029B2
公开(公告)日：2019-05-07
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
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：US20190018999A1
公开(公告)日：2019-01-17
申请号：US16135775
申请日：2018-09-19
Applicant: Japan Display Inc.
Inventor： Toshinori Uehara , Yoshitoshi Kida , Hiroshi Mizuhashi , Hayato Kurasawa , Yuji Suzuki , Shoji Hinata , Toshiya Yamazaki
IPC: G06K9/00 , G06F3/0354 , G06F3/041 , G06F3/044 , G06F21/32
Abstract: A display panel including a display function layer displaying an image in a display area, a cover member including a first face and a second face disposed on an opposite side of the first face and faces the display panel, and a fingerprint sensor including a plurality of first detection electrodes disposed in a sensor base and configured to detect unevenness of an object brought into contact with or approaching the first face of the cover member, a shield electrode disposed to face the plurality of first detection electrodes and configured to suppress a change in capacitance between the first detection electrodes and the shield electrode, and switching elements disposed in correspondence with the first detection electrodes, the fingerprint sensor being arranged between the cover member and the display panel and arranged to overlap with the display area when viewed in a direction perpendicular to the first face are included.
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公开(公告)号：US10043836B2
公开(公告)日：2018-08-07
申请号：US15223767
申请日：2016-07-29
Applicant: Japan Display Inc.
Inventor： Yuji Suzuki , Hiroshi Mizuhashi , Hayato Kurasawa , Daichi Suzuki
Abstract: According to one embodiment, a display device includes an insulating substrate, display function layer disposed above the insulating substrate, reflective electrode disposed between the insulating substrate and the display function layer, to which a potential for image display is applied, and antenna having a band shape disposed between the insulating substrate and the reflective electrode.
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Patent Agency Ranking
公开(公告)号：US11410451B2
公开(公告)日：2022-08-09
申请号：US17077224
申请日：2020-10-22
Applicant: Japan Display Inc.
Inventor： Toshinori Uehara , Yoshitoshi Kida , Hiroshi Mizuhashi , Hayato Kurasawa , Yuji Suzuki , Shoji Hinata , Toshiya Yamazaki
IPC: G06V40/13 , G06F3/041 , G06F21/32 , G06F3/0354 , G06F3/044
Abstract: A display panel including a display function layer displaying an image in a display area, a cover member including a first face and a second face disposed on an opposite side of the first face and faces the display panel, and a fingerprint sensor including a plurality of first detection electrodes disposed in a sensor base and configured to detect unevenness of an object brought into contact with or approaching the first face of the cover member, a shield electrode disposed to face the plurality of first detection electrodes and configured to suppress a change in capacitance between the first detection electrodes and the shield electrode, and switching elements disposed in correspondence with the first detection electrodes, the fingerprint sensor being arranged between the cover member and the display panel and arranged to overlap with the display area when viewed in a direction perpendicular to the first face are included.
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公开(公告)号：US11409392B2
公开(公告)日：2022-08-09
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：US11062111B2
公开(公告)日：2021-07-13
申请号：US16831199
申请日：2020-03-26
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Yoshitaka Ozeki , Toshinori Uehara , Yuji Suzuki
IPC: G06K9/00
Abstract: According to an aspect, a fingerprint detection device includes: a substrate; a plurality of drive electrodes provided on one surface side of the substrate and arranged in a first direction; and a plurality of detection electrodes provided on the one surface side and arranged in a second direction intersecting the first direction. The detection electrodes intersect the drive electrodes in a normal direction of the substrate. Each of the detection electrodes includes: a plurality of first line portions; a plurality of second line portions extending in a direction intersecting the first line portions; and a plurality of bent portions each connecting one of the first line portions and one of the second line portions adjacent to the one of the first line portions to each other.
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公开(公告)号：US11036332B2
公开(公告)日：2021-06-15
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：US20180061869A1
公开(公告)日：2018-03-01
申请号：US15682945
申请日：2017-08-22
Applicant: Japan Display Inc.
Inventor： Daichi Suzuki , Hiroshi Mizuhashi , Hayato Kurasawa , Yuji Suzuki
IPC: H01L27/12 , G02F1/1362 , G02F1/1335 , G02F1/1368 , G02F1/1343
Abstract: According to one embodiment, an electronic device includes a first substrate including a first conductive layer, and a second substrate including a second conductive layer which is connected to the first conductive layer and which has a thickness larger than a thickness of the first conductive layer, a bridge line which has a thickness larger than the thickness of the first conductive layer and which is connected to the second conductive layer, and an insulating layer which is located between the second conductive layer and the bridge line. The first conductive layer, the second conductive layer and the bridge line form a coil.
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