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公开(公告)号:US20180181242A1
公开(公告)日:2018-06-28
申请号:US15848073
申请日:2017-12-20
Applicant: Japan Display Inc.
Inventor: Hiroshi MIZUHASHI , Hayato KURASAWA , Yoshitoshi KIDA , Toshinori UEHARA , Takayuki NAKANISHI
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/0418 , G06F3/044 , G06F2203/04107 , G09G2310/0264
Abstract: A display device comprises a first power supply line supplying a first potential, a second power supply line supplying a second potential, a third power supply line supplying a touch driving signal, and a display unit including a plurality of sub-pixels. The display unit comprises a plurality of first electrodes respectively provided in the plurality of sub-pixels and electrically connected to the first power supply line, a second electrode provided to be common among the plurality of sub-pixels and electrically connected to the second power supply line, a light emitting layer provided between the first electrode and the second electrode, a plurality of third electrodes electrically connected to the third power supply line, and a signal control circuit supplying a signal synchronized with a touch driving signal to the second electrode in a period in which a touch driving signal is supplied to the plurality of third electrodes.
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公开(公告)号:US20170315639A1
公开(公告)日:2017-11-02
申请号:US15652685
申请日:2017-07-18
Applicant: Japan Display Inc.
Inventor: Yoshitoshi KIDA , Koji NOGUCHI , Yasuyuki TERANISHI , Hiroshi MIZUHASHI , Kohei AZUMI
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416 , G06F3/0418
Abstract: According to an aspect, a display device with a touch detection function includes a plurality of drive electrodes that face a plurality of pixel electrodes in an orthogonal direction to the surface of the substrate, and extend in a direction parallel to the direction in which a plurality of signal lines extend. The display device with a touch detection function also includes a scan driving unit that applies a touch drive signal to a signal line that faces, in an overlapping manner in the orthogonal direction, a drive electrode to which the touch drive signal is applied.
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公开(公告)号:US20230205339A1
公开(公告)日:2023-06-29
申请号:US18111650
申请日:2023-02-20
Applicant: Japan Display Inc.
Inventor: Yoshitoshi KIDA , Koji NOGUCHI , Hiroshi MIZUHASHI , Kohei AZUMI
CPC classification number: G06F3/0412 , H03K17/9622 , G06F3/0445 , G06F3/0446 , G02F1/13338
Abstract: There are provided a display panel with a touch detection function, a drive circuit, and an electronic unit, which make it possible to realize many functions related to touch detection. The display panel includes: one or more display elements; one or more drive electrodes extending in one direction; an electrode drive section integrated into a chip, and applying a drive signal to the drive electrodes; and one or more touch detection electrodes extending in a direction intersecting the direction in which the drive electrodes extend.
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公开(公告)号:US20210042491A1
公开(公告)日:2021-02-11
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: G06K9/00 , G06F3/041 , G06F21/32 , 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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公开(公告)号:US20190050090A1
公开(公告)日:2019-02-14
申请号:US16164194
申请日:2018-10-18
Applicant: Japan Display Inc.
Inventor: Yoshitoshi KIDA , Koji NOGUCHI , Yasuyuki TERANISHI , Hiroshi MIZUHASHI , Kohei AZUMI
Abstract: According to an aspect, a display device with a touch detection function includes a plurality of drive electrodes that face a plurality of pixel electrodes in an orthogonal direction to the surface of the substrate, and extend in a direction parallel to the direction in which a plurality of signal lines extend. The display device with a touch detection function also includes a scan driving unit that applies a touch drive signal to a signal line that faces, in an overlapping manner in the orthogonal direction, a drive electrode to which the touch drive signal is applied.
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公开(公告)号:US20180210593A1
公开(公告)日:2018-07-26
申请号:US15928491
申请日:2018-03-22
Applicant: Japan Display Inc.
Inventor: Hayato KURASAWA , Hiroshi MIZUHASHI , Yoshitoshi KIDA
IPC: G06F3/041 , G06F3/044 , G02F1/1343 , G02F1/1333
CPC classification number: G06F3/0412 , G02F1/13338 , G02F1/134309 , G02F2201/121 , G02F2201/123 , G06F3/0416 , G06F3/044 , G06F2203/04107 , G06F2203/04108
Abstract: A sensor-equipped display device includes a display panel comprising a common electrode; a sensor comprising a plurality of detection electrodes extending in a first direction and arranged in a second direction crossing the first direction, each of the detection electrodes including a first electrode and a second electrode which are opposed to the common electrode, are divided and extend in the first direction, each of the first electrode and the second electrode including a gradient in width in the first direction in the detection electrode, the gradient in width of the first electrode and the gradient in width of the second electrode being inclined in opposite directions; and a controller configured to effect switching to either a first mode or a second mode, and to control driving of the common electrode and the detection electrodes, wherein the sensor further comprises a dummy electrode disposed between neighboring detection electrodes.
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公开(公告)号:US20170308207A1
公开(公告)日:2017-10-26
申请号:US15645141
申请日:2017-07-10
Applicant: Japan Display Inc.
Inventor: Kohei AZUMI , Jouji YAMADA , Hirofumi NAKAGAWA , Michio YAMAMOTO , Makoto HAYASHI , Hiroshi MIZUHASHI , Kozo IKENO , Yoshitoshi KIDA
Abstract: According to one embodiment, an electronic apparatus includes a sensor-equipped display device including a display device and a sensor which outputs information for detecting a contact position on the display device, a display driver which outputs a driving signal to the sensor based on one setting table, an application processor which outputs a table selection signal specifying a setting table and a sensor setting signal specifying a driving method of the sensor to the display driver, and a sensing circuit which outputs a dataset including three-dimensional information of a coordinate of a position on the display device and a physical quantity at the coordinate to the application processor, and outputs a table selection request signal generated based on the table selection signal, and a control signal which controls driving timing of the sensor to the display driver, the control signal having generated based on the sensor setting signal.
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公开(公告)号:US20170255330A1
公开(公告)日:2017-09-07
申请号:US15446618
申请日:2017-03-01
Applicant: Japan Display Inc.
Inventor: Mitsuhide MIYAMOTO , Takayuki NAKANISHI , Hayato KURASAWA , Hiroshi MIZUHASHI , Shuji HAYASHI , Yoshitoshi KIDA
IPC: G06F3/041 , H01L27/32 , G09G3/3266 , G06F3/044 , G09G3/3233
CPC classification number: G06F3/0418 , G06F3/0412 , G06F3/0416 , G06F3/044 , G06F2203/04111 , G06F2203/04112 , G09G3/3233 , G09G3/3266 , G09G2300/0426 , G09G2300/043 , G09G2300/0452 , G09G2300/0814 , G09G2300/0819 , H01L27/323 , H01L27/3262 , H01L27/3276
Abstract: A display device includes a plurality of scanning lines provided over an insulating surface, a plurality of video signal lines provided, intersecting with the plurality of scanning lines, a display area including a plurality of pixels, each having a light emitting element and a transistor for controlling a current supplied to the light emitting element, provided at points of intersection between the plurality of scanning lines and the plurality of video signal lines, and a touch sensor provided over the display area and having a drive electrode and a detection electrode which form an electrostatic capacitance with each other.
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公开(公告)号:US20170255324A1
公开(公告)日:2017-09-07
申请号:US15435610
申请日:2017-02-17
Applicant: Japan Display Inc.
Inventor: Shinichiro OKA , Hiroshi MIZUHASHI , Shinya IUCHI , Yoshitoshi KIDA , Shinichi TAKAYAMA , Takenori HIROTA , Yosuke HYODO , Takuma NISHINOHARA , Yasukazu KIMURA , Hajime YAMAGUCHI
IPC: G06F3/041
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04102
Abstract: A card type device includes a base having flexibility and a display having flexibility arranged on the base. A first touch sensor arranged on a first surface of the base or the display, a second touch sensor arranged on a second surface of the base or the display, the second surface being on the opposite side of the first surface, and a control circuit connected to the first touch sensor and the second touch sensor may be further provided.
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公开(公告)号:US20190278404A1
公开(公告)日:2019-09-12
申请号:US16423980
申请日:2019-05-28
Applicant: Japan Display Inc.
Inventor: Koji ISHIZAKI , Kouji NOGUCHI , Tsutomu HARADA , Takeya TAKEUCHI , Yoshitoshi KIDA , Takayuki NAKANISHI
IPC: G06F3/044 , G09G3/36 , G06F3/041 , G02F1/1333
Abstract: A detection device includes a plurality of drive electrodes, wherein: in a first mode, a first drive electrode block including a first number of the drive electrodes are supplied with a first drive signal; in a second mode, a second drive electrode block including a second number of the drive electrodes are supplied with a second drive signal; and the first number is different from the second number.
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