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公开(公告)号：US10782812B2
公开(公告)日：2020-09-22
申请号：US16173689
申请日：2018-10-29
Applicant: Japan Display Inc.
Inventor： Daisuke Ito , Hiroshi Mizuhashi , Makoto Hayashi , Yasuyuki Teranishi , Tadayoshi Katsuta
IPC: G06F3/041 , G02F1/133 , G02F1/1343 , G06F3/044 , G09G3/36 , G02F1/1333
Abstract: A liquid crystal display device includes: a liquid crystal element array including liquid crystal display elements arranged in a matrix form; scan lines arranged in each row of the liquid crystal element array and configured to supply scan signals to the liquid crystal display elements arranged in a corresponding row; signal lines arranged in each column of the liquid crystal element array and configured to supply image signals to the liquid crystal display elements arranged in a corresponding column; a plurality of driving electrodes arranged in the liquid crystal element array and supplied with driving signals for detecting an external proximity object; a first voltage line of a first voltage; a second voltage line of a second voltage; and a third voltage line of a third voltage.
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公开(公告)号：US10585523B2
公开(公告)日：2020-03-10
申请号：US15999440
申请日：2018-08-20
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Yasuyuki Teranishi
Abstract: According to an aspect, a detection apparatus includes a touch detection surface having two dimensions, a touch detection unit and a force detection unit. The touch detection unit includes: first electrodes extending along a first direction; and a first signal output unit configured to output a first signal indicating a position of the touch operation in a second direction. Each first electrode includes divided electrodes provided in the first direction. First detection regions each provided by bundling the divided electrodes arranged in the second direction are set. The force detection unit includes a base electrode configured such that distances between the base electrode and the respective divided electrodes change when the first electrodes bend according to the applied force applied. The force signal is a signal based on electrostatic capacitances obtained by individual detection.
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公开(公告)号：US10437379B2
公开(公告)日：2019-10-08
申请号：US15684559
申请日：2017-08-23
Applicant: Japan Display Inc.
Inventor： Yasuyuki Teranishi , Takafumi Suzuki , Kohei Azumi
Abstract: A noise immunity of a detected capacitance is prevented or inhibited from lowering on a driving electrode different in width from the other driving electrodes, provided in an input device. A touch panel serving as an input device has a plurality of driving electrodes extending in an X-axis direction and arranged in a Y-axis direction intersecting with the X-axis direction, and a driving electrode arranged outside one side of an arrangement of the driving electrodes and extending in the X-axis direction. Further, the touch panel TP1 has a plurality of detecting electrodes extending in the Y-axis direction and arranged in the X-axis direction. The width of the driving electrode is smaller than the widths of the driving electrodes and the detecting electrode includes an expanding portion for expanding the area of the detecting electrode on the side opposite to the plurality of driving electrodes via the driving electrode.
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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：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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Patent Agency Ranking
公开(公告)号：US10156926B2
公开(公告)日：2018-12-18
申请号：US14987358
申请日：2016-01-04
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Yasuyuki Teranishi , Toshiaki Fukushima , Daisuke Ito , Gen Koide , Tadayoshi Katsuta
IPC: G09G5/00 , G06F3/041 , G02F1/133 , G02F1/1343 , G02F1/1362 , G02F1/1368 , G06F3/044 , G09G3/36 , G02F1/1333 , G02F1/1345
Abstract: A liquid crystal display device includes a liquid crystal element array having liquid crystal display elements arranged in matrix, scanning lines arranged in each row of the liquid crystal element array and supplying a scanning signal to the liquid crystal display elements in a corresponding row, signal lines arranged in each column of the liquid crystal element array and supplying an image signal to the liquid crystal display elements in a corresponding column, drive electrodes arranged in the column of the liquid crystal element array and to which a drive signal to detect a touch is supplied, a signal line drive circuit arranged along one side of the liquid crystal element array parallel to the row of the liquid crystal element array and forming the image signal, and a first electrode drive circuit arranged along the other side of the liquid crystal element array and forming the drive signal.
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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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公开(公告)号：US20180300010A1
公开(公告)日：2018-10-18
申请号：US16011012
申请日：2018-06-18
Applicant: Japan Display Inc.
Inventor： Takayuki Nakanishi , Koji Noguchi , Koji Ishizaki , Yasuyuki Teranishi , Takeya Takeuchi
IPC: G06F3/041 , G09G5/18 , G02F1/1343 , G06F3/044 , G02F1/1333 , G02F1/1368 , G02F1/1335
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133528 , G02F1/134309 , G02F1/13439 , G02F1/1368 , G02F2201/121 , G02F2201/123 , G02F2203/01 , G06F3/0412 , G06F3/044 , G06F2203/04101 , G06F2203/04103 , G06F2203/04108 , G06F2203/04111 , G09G5/18 , G09G2300/0426
Abstract: An information input device including a touch panel configured to be provided with a touch sensor that detects a position at which a sensing object is brought close to a sensing surface. In this information input device, the touch sensor has a scanning electrode and a detecting electrode that is opposed to the scanning electrode with the intermediary of a dielectric substance, and is a capacitive sensor whose electrostatic capacitance changes if the sensing object is brought close to the detecting electrode. Furthermore, a slit is formed in a surface of the detecting electrode opposed to the scanning electrode.
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39.发明授权公开(公告)号：US10095359B2
公开(公告)日：2018-10-09
申请号：US14150309
申请日：2014-01-08
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Yasuyuki Teranishi , Yoshitoshi Kida
Abstract: According to an aspect, a touch detection device includes a drive electrode layer including a plurality of drive electrodes formed in stripes in an array direction; a plurality of touch detection electrodes that are arranged in a manner facing the plurality of drive electrodes and generate capacitance with the plurality of drive electrodes; and a touch detecting unit that applies a touch drive signal to the plurality of drive electrodes and detects a position of an object in contiguity with a touch detection area based on detection signals supplied from the plurality of touch detection electrodes. The plurality of the drive electrodes include an end drive electrode that is provided to at least one end in the array direction and has a larger width in the array direction than the width in the array direction of drive electrodes other than the end drive electrode.
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40.发明授权公开(公告)号：US09940887B2
公开(公告)日：2018-04-10
申请号：US15170400
申请日：2016-06-01
Applicant: Japan Display Inc.
Inventor： Yasuyuki Teranishi
CPC classification number: G09G3/3648 , G06T1/60 , G09G3/2018 , G09G3/2074 , G09G3/3607 , G09G3/3614 , G09G3/3696 , G09G5/18 , G09G2300/0426 , G09G2300/0452 , G09G2300/0857 , G09G2310/0291 , G09G2310/06 , G09G2320/0204 , G09G2320/0247 , G09G2330/021
Abstract: A liquid crystal display device is provided. The liquid crystal including an array of pixels each having a memory function; and a buffer to output a first voltage, wherein a second voltage is supplied to a counter electrode of a liquid crystal capacitor, and wherein each of the pixels supplies one of the first voltage and the second voltage to a pixel electrode of the liquid crystal capacitor according to a data value stored in the each of the pixels.
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