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公开(公告)号：US10701815B2
公开(公告)日：2020-06-30
申请号：US16401781
申请日：2019-05-02
Applicant: Japan Display Inc.
Inventor： Daichi Suzuki , Yuji Suzuki
Abstract: A display device including a first substrate; a plurality of pixel electrodes disposed on the first substrate; a coil disposed between the plurality of pixel electrodes and the first substrate in a manner that at least a part of the coil overlaps at least a part of the plurality of pixel electrodes and the first substrate; a first terminal connected to a first end of the coil; and a second terminal connected to a second end of the coil.
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公开(公告)号：US20190286276A1
公开(公告)日：2019-09-19
申请号：US16434800
申请日：2019-06-07
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Yuji Suzuki , Hiroshi Mizuhashi
IPC: G06F3/041 , G06F3/046 , G06F3/0354 , G02F1/1343 , G06F3/044 , G02F1/1333
Abstract: A display apparatus capable of reducing the lowering of detection sensitivity is provided. A display apparatus provided with a pixel array having a plurality of pixels arranged in a matrix form includes: detection electrodes which are in parallel with each other, which are arranged so as to extend in a first direction, and which are connected so as to forma magnetic-field detection coil; and a detection electrode having one end which is arranged inside the magnetic-field detection coil and which is connected to the magnetic-field detection coil, and the other end which is electrically insulated from the magnetic-field detection coil. At the time of each of the magnetic field detection and the electric field detection, an external object is detected based on a change in a signal in the detection electrodes.
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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
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 , G06K9/00053
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：US10327341B2
公开(公告)日：2019-06-18
申请号：US15886248
申请日：2018-02-01
Applicant: Japan Display Inc.
Inventor： Daichi Suzuki , Yuji Suzuki
Abstract: A display device includes an array substrate and a counter substrate. On the array substrate, a TFT, a pixel electrode, an antenna coil, at least two external connection terminals, and a capacitor are provided. Two ends of the antenna coil are respectively connected to the at least two external connection terminals. The TFT includes a switching TFT. A set of the switching TFT and the capacitor or a plurality of sets of the switching TFT and the capacitor is provided. To the antenna coil, the set of the switching TFT and the capacitor or the plurality of sets of the switching TFT and the capacitor is connected.
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公开(公告)号：US10860830B2
公开(公告)日：2020-12-08
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 , G06F3/041 , G06F21/32 , G06F3/044 , G06F3/0354
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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Patent Agency Ranking
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：US10592044B2
公开(公告)日：2020-03-17
申请号：US16434800
申请日：2019-06-07
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Yuji Suzuki , Hiroshi Mizuhashi
IPC: G06F3/041 , G06F3/044 , G06F3/046 , G06F3/0354 , G02F1/1343 , G02F1/1333
Abstract: A display apparatus capable of reducing the lowering of detection sensitivity is provided. A display apparatus provided with a pixel array having a plurality of pixels arranged in a matrix form includes: detection electrodes which are in parallel with each other, which are arranged so as to extend in a first direction, and which are connected so as to forma magnetic-field detection coil; and a detection electrode having one end which is arranged inside the magnetic-field detection coil and which is connected to the magnetic-field detection coil, and the other end which is electrically insulated from the magnetic-field detection coil. At the time of each of the magnetic field detection and the electric field detection, an external object is detected based on a change in a signal in the detection electrodes.
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公开(公告)号：US10353512B2
公开(公告)日：2019-07-16
申请号：US15461608
申请日：2017-03-17
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Yuji Suzuki , Hiroshi Mizuhashi
IPC: G06F3/041 , G06F3/044 , G06F3/046 , G06F3/0354 , G02F1/1343 , G02F1/1333
Abstract: A display apparatus capable of reducing the lowering of detection sensitivity is provided. A display apparatus provided with a pixel array having a plurality of pixels arranged in a matrix form includes: detection electrodes which are in parallel with each other, which are arranged so as to extend in a first direction, and which are connected so as to form a magnetic-field detection coil; and a detection electrode having one end which is arranged inside the magnetic-field detection coil and which is connected to the magnetic-field detection coil, and the other end which is electrically insulated from the magnetic-field detection coil. At the time of each of the magnetic field detection and the electric field detection, an external object is detected based on a change in a signal in the detection electrodes.
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公开(公告)号：US10990340B2
公开(公告)日：2021-04-27
申请号：US16442064
申请日：2019-06-14
Applicant: Japan Display Inc.
Inventor： Shinya Iuchi , Hayato Kurasawa , Masahiro Togashi , Tsutomu Harada , Yuji Suzuki
Abstract: A display apparatus includes a plurality of display panels arranged in a matrix, each of the image display panel includes a plurality of drive electrodes extending in a first direction and a plurality of detection electrodes extending in a second direction crossing the first direction, wherein an AC voltage is sequentially applied to the plurality of drive electrodes of a first display panel, and the plurality of detection electrodes of a second display panel adjacent to the first display panel detect a signal output from the plurality of drive electrodes of the first display panel.
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公开(公告)号：US10977472B2
公开(公告)日：2021-04-13
申请号：US16139337
申请日：2018-09-24
Applicant: Japan Display Inc.
Inventor： Yuji Suzuki , Toshinori Uehara , Hayato Kurasawa
Abstract: According to an aspect, a detection device includes: an insulating substrate including a plurality of detection electrodes; a transmission conductor disposed adjacent to the detection electrodes; a drive signal generator coupled to the transmission conductor; and a detector coupled to the detection electrodes. The drive signal generator generates a detection drive signal and supplies the detection drive signal to the transmission conductor. The detector detects a detection signal corresponding to a change in capacitance in the detection electrodes.
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