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公开(公告)号：US10656740B2
公开(公告)日：2020-05-19
申请号：US15408807
申请日：2017-01-18
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Masaki Murase , Yasushi Nakano , Koji Ishizaki
IPC: G06F3/041 , G02F1/1333 , G02F1/1343 , G02F1/1345 , G02F1/1362 , G06F3/044
Abstract: According to one embodiment, a sensor-equipped display device includes a first substrate includes a first area and a second area adjacent to the first area, the first substrate includes a first terminal and a second terminal which are located in the first area, and a first wiring which electrically connects the first terminal and the second terminal, a second substrate includes a detection electrode, and a third terminal electrically connected to the detection electrode, and a connecting member which electrically connects the first terminal and the third terminal, at least a part of the first wiring being extended from the first terminal toward the second area.
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公开(公告)号：US10606429B2
公开(公告)日：2020-03-31
申请号：US16421129
申请日：2019-05-23
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Koji Noguchi
Abstract: A display device includes a substrate, a plurality of pixel electrodes, a switching element, and a first electrode. The substrate has a first surface and a second surface opposite to the first surface. The pixel electrodes are provided to the first surface side and supplied with a pixel signal for displaying an image. The switching element is provided to the first surface side and coupled to the pixel electrodes. The first electrode is provided to a layer closer to the first surface than the switching element in a manner facing the switching element in a direction perpendicular to the first surface of the substrate and having lower light transmittance than that of the substrate.
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公开(公告)号：US10606404B2
公开(公告)日：2020-03-31
申请号：US16393300
申请日：2019-04-24
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Koji Noguchi
Abstract: According to an aspect, a touch detection apparatus includes: a plurality of drive electrodes, wherein at least one of the drive electrodes includes a plurality of subdivided electrodes; a plurality of first touch detection electrodes; a second touch detection electrode; a first shift register circuit in which a plurality of first shift signal output circuits are sequentially coupled to one another; a second shift register circuit in which a plurality of second shift signal output circuits are sequentially coupled to one another; and a selection circuit that supplies a signal of the first shift register circuit to the drive electrode in a first mode, and supplies a signal of the second shift register circuit to the subdivided electrode in a second mode.
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公开(公告)号：US20190310730A1
公开(公告)日：2019-10-10
申请号：US16451106
申请日：2019-06-25
Applicant: Japan Display Inc.
Inventor： Koji ishizaki , Koji Noguchi , Osamu Ishige
Abstract: A display device with a touch detection function including: a plurality of elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
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公开(公告)号：US10409409B2
公开(公告)日：2019-09-10
申请号：US15928544
申请日：2018-03-22
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Yoshitoshi Kida , Kohei Azumi
Abstract: A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M.
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Patent Agency Ranking
公开(公告)号：US10379392B2
公开(公告)日：2019-08-13
申请号：US15692448
申请日：2017-08-31
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Takafumi Suzuki , Yasuyuki Teranishi , Yosuke Nakamori
IPC: G02F1/1333 , G02F1/1335 , G06F3/041 , G06F3/044 , G02F1/1343
Abstract: According to one embodiment, a display device includes a display panel including a first substrate including a display area and a first detection electrode, a backlight device opposed to the first substrate with a gap therebetween, a second detection electrode opposing the first detection electrode via the backlight device, and an elastic member between the backlight device and the second detection electrode, including a first region opposing a central portion of the back light device and a second region located to surround the first region. The first region and the second region are different in hardness in a thickness direction of the elastic member.
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公开(公告)号：US10310664B2
公开(公告)日：2019-06-04
申请号：US15978890
申请日：2018-05-14
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Yoshitoshi Kida , Kohei Azumi , Takayuki Nakanishi , Hiroshi Mizuhashi
IPC: G06F3/041 , G06F3/044 , G02F1/1333 , G02F1/1343 , G02F1/1337 , G02F1/1362 , G02F1/1335 , G02F1/1368
Abstract: A display device including a display section having a plurality of pixel electrodes; and a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction. Each of the drive electrodes has a width in the second direction corresponding to a size of the two or more pixel electrodes, and has one or more slits extending in the first direction.
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公开(公告)号：US20190057669A1
公开(公告)日：2019-02-21
申请号：US16166810
申请日：2018-10-22
Applicant: Japan Display Inc.
Inventor： Takayuki Nakanishi , Koji Noguchi , Koji Ishizaki , Yasuyuki Teranishi , Takeya Takeuchi
Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise. The touch panel includes: a plurality of detection scan electrodes extending in a first direction and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. A ratio of fringe capacitance to total capacitance between one or more selected detection scan electrodes and a first detection electrode is different from a ratio of fringe capacitance to total capacitance between the one or more selected detection scan electrodes and a second detection electrode. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.
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公开(公告)号：US10156948B2
公开(公告)日：2018-12-18
申请号：US15223377
申请日：2016-07-29
Applicant: Japan Display Inc.
Inventor： Koji Ishizaki , Koji Noguchi , Osamu Ishige
Abstract: A display device with a touch detection function including: a plurality of liquid crystal display elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
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公开(公告)号：US10146389B2
公开(公告)日：2018-12-04
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
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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