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    Input detection system
    41.
    发明授权
    Input detection system 有权

    公开(公告)号：US11487385B1

    公开(公告)日：2022-11-01

    申请号：US17723712

    申请日：2022-04-19

    Applicant: Japan Display Inc.

    Inventor： Yuto Kakinoki ,  Takaaki Kono ,  Makoto Hayashi

    IPC: G06F3/041 ,  G06F3/044 ,  G06F3/039 ,  G06F3/0362 ,  G06F3/02

    Abstract: An input detection system includes a detection device including a plurality of sensor electrodes arrayed in a detection region, an input support device including an LC circuit, a first electrode coupled to one end side of the LC circuit, and a second electrode coupled to another end side of the LC circuit, and a control circuit including a drive signal supply circuit supplying a drive signal to the sensor electrodes and an adjustment circuit coupled to the sensor electrodes. The adjustment circuit adjusts a circuit constant that is added to a capacitance between the sensor electrode and the first electrode or the second electrode facing the sensor electrode.

    Display device with a touch sensor
    43.
    发明授权
    Display device with a touch sensor 有权

    公开(公告)号：US10915202B2

    公开(公告)日：2021-02-09

    申请号：US16573442

    申请日：2019-09-17

    Applicant: Japan Display Inc.

    Inventor： Naosuke Furutani ,  Hayato Kurasawa ,  Makoto Hayashi

    IPC: G06F3/045 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G09G3/36 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

    Abstract: A display device with a touch sensor having a display function and a touch sensor function is provided. The display device includes a first substrate including a pixel electrode; a first electrode along a first direction; and a second substrate including a second electrode that includes patterns of electrodes along a second direction crossing the first direction and that faces the first electrode and the pixel electrode, wherein upon the display function being activated, the pixel electrode is supplied with a pixel signal, and the second electrode is supplied with common voltage, and upon the touch sensor function being activated, the first electrode is applied with a first signal and the second electrode is configured to receive the first signal to be a second signal as a touch detecting signal.

    Display device and electronic device
    44.
    发明授权
    Display device and electronic device 审中-公开

    公开(公告)号：US10671226B2

    公开(公告)日：2020-06-02

    申请号：US15940085

    申请日：2018-03-29

    Applicant: Japan Display Inc.

    Inventor： Makoto Hayashi

    IPC: G06F3/044 ,  G06F3/041

    Abstract: A touch-sensor-equipped display device has: a panel unit including a screen area in which units of detection constituting a touch-sensor function and pixels constituting a display function are formed in a matrix pattern; a plurality of shared electrodes which are formed in the screen area, parallel to an X-direction, and for both display drive and touch drive; a plurality of common electrodes for display drive which are parallel to the X-direction and respectively alternately disposed with the plurality of respective shared electrodes in a Y-direction; a plurality of detection electrodes which are parallel to the Y-direction and intersecting with the plurality of shared electrodes and the plurality of common electrodes; and the units of detection corresponding to respective capacitors formed by intersections of the plurality of shared electrodes and the plurality of detection electrodes.

    Touch sensor overlapping a display
    45.
    发明授权
    Touch sensor overlapping a display 有权

    公开(公告)号：US10592059B2

    公开(公告)日：2020-03-17

    申请号：US16005033

    申请日：2018-06-11

    Applicant: Japan Display Inc.

    Inventor： Hayato Kurasawa ,  Makoto Hayashi ,  Naosuke Furutani

    IPC: G06F3/047 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G09G5/00 ,  G02F1/1339

    Abstract: According to an aspect, a display device with a touch sensor has a display function and a touch sensor function. The display device includes: a panel unit that comprises a first substrate, a second substrate, and a display function layer between the first substrate and the second substrate; a first electrode on the first substrate; a second electrode on the second substrate; a third electrode on the second substrate; and a capacitor for the touch sensor function. The capacitor is formed between either of the first electrode and the second electrode and the third electrode, or between both the first electrode and the second electrode and the third electrode. The frame portion outside the display area comprises, on the first substrate side thereof, a peripheral circuit, and the second electrode is provided in a position more distant upward from the peripheral circuit than the first electrode.

    TOUCH DRIVE DEVICE
    46.
    发明申请
    TOUCH DRIVE DEVICE 审中-公开

    公开(公告)号：US20190138146A1

    公开(公告)日：2019-05-09

    申请号：US16238833

    申请日：2019-01-03

    Applicant: Japan Display Inc.

    Inventor： Kohei AZUMI ,  Hidetoshi Komatsu ,  Jin Ota ,  Hiroshi Mizuhashi ,  Makoto Hayashi

    IPC: G06F3/041 ,  G11C19/28 ,  G09G3/36 ,  G06F3/044

    CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G09G3/3648 ,  G09G3/3655 ,  G09G2310/0286 ,  G11C19/28

    Abstract: According to one embodiment, the touch drive device includes a plurality of drive electrodes arranged side by side to extend in a single direction, a detection electrode which extends in a direction crossing the direction in which the drive electrodes extend, and generates capacitances at intersections of the detection electrode and the drive electrodes, and a driver (DDI) which groups the drive electrodes into a plurality of drive electrode portions each including at least one drive electrode, and performs a touch scanning drive by supplying a touch drive signal (TSVCOM) having a pulse waveform for detection of a closely situated external object to a target drive electrode portion which is a selected one of the drive electrode portions. The number of the drive electrodes included in each of the drive electrode portions and the target drive electrode portion to which the touch drive signal. (TSVCOM) is supplied can be designated.

    Touch drive device
    47.
    发明授权
    Touch drive device 有权

    公开(公告)号：US10216324B2

    公开(公告)日：2019-02-26

    申请号：US15692727

    申请日：2017-08-31

    Applicant: Japan Display Inc.

    Inventor： Kohei Azumi ,  Hidetoshi Komatsu ,  Jin Ota ,  Hiroshi Mizuhashi ,  Makoto Hayashi

    IPC: G09G3/36 ,  G06F3/041 ,  G06F3/044 ,  G11C19/28

    Abstract: According to one embodiment, the touch drive device includes a plurality of drive electrodes arranged side by side to extend in a single direction, a detection electrode which extends in a direction crossing the direction in which the drive electrodes extend, and generates capacitances at intersections of the detection electrode and the drive electrodes, and a driver (DDI) which groups the drive electrodes into a plurality of drive electrode portions each including at least one drive electrode, and performs a touch scanning drive by supplying a touch drive signal (TSVCOM) having a pulse waveform for detection of a closely situated external object to a target drive electrode portion which is a selected one of the drive electrode portions. The number of the drive electrodes included in each of the drive electrode portions and the target drive electrode portion to which the touch drive signal (TSVCOM) is supplied can be designated.

    TOUCH DETECTION DEVICE AND DISPLAY DEVICE HAVING TOUCH DETECTION FUNCTION
    49.
    发明申请
    TOUCH DETECTION DEVICE AND DISPLAY DEVICE HAVING TOUCH DETECTION FUNCTION 有权
    触摸检测装置和具有触摸检测功能的显示装置

    公开(公告)号：US20150364117A1

    公开(公告)日：2015-12-17

    申请号：US14734782

    申请日：2015-06-09

    Applicant: Japan Display Inc.

    Inventor： Kohei Azumi ,  Hirofumi Nakagawa ,  Hiroshi Mizuhashi ,  Makoto Hayashi

    IPC: G09G5/18 ,  G09G3/36

    CPC classification number: G09G3/3611 ,  G09G3/3655 ,  G09G3/3674 ,  G09G3/3685 ,  G09G2300/023 ,  G09G2300/0426

    Abstract: According to one embodiment, a touch detection device includes a plurality of drive electrodes, a plurality of detection electrodes, a display driver which performs a touch scanning drive by supplying a touch drive signal to a target drive electrode to be driven, and a touch driver which transmits and receives a signal to and from the display driver, wherein at least one of the number of pulses of the drive synchronizing signal and a pulse width of each of the pulses of the drive synchronizing signal is determined based on the signal received from the display driver.

    Abstract translation: 根据一个实施例，触摸检测装置包括多个驱动电极，多个检测电极，通过向待驱动的目标驱动电极提供触摸驱动信号来执行触摸扫描驱动的显示驱动器，以及触摸驱动器 其向显示驱动器发送信号并从显示驱动器接收信号，其中，基于从所述驱动同步信号接收的信号确定驱动同步信号的脉冲数和驱动同步信号的每个脉冲的脉冲宽度中的至少一个 显示驱动程序

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