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    Sensor device and display device
    94.
    发明授权
    Sensor device and display device 有权

    公开(公告)号：US11256354B2

    公开(公告)日：2022-02-22

    申请号：US16906236

    申请日：2020-06-19

    Applicant: Japan Display Inc.

    Inventor： Koji Noguchi ,  Takeya Takeuchi

    IPC: G06F3/041 ,  G06F1/16 ,  G06F3/044

    Abstract: A sensor device is provided including sensing section including driving electrodes extending in first direction; driving section configured to apply driving voltage to driving electrodes; sensing lines extending in second direction crossing first direction such that sensing lines intersect driving electrodes; and sensing section configured to detect occurrence of electric change from voltage change in at least one of the sensing lines to identify position of occurrence, wherein driving electrodes include a first drive electrode and a second drive electrode, first voltage is applied to at least one first drive electrode, second voltage is applied to at least one second drive electrode, and sensing section identifies position in which object to be detected is in contact or in proximity on a basis of pattern of voltage change of sensing lines, occurring according to difference in manner of intersecting between sensing lines and driving electrodes.

    DISPLAY DEVICE
    95.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20210271337A1

    公开(公告)日：2021-09-02

    申请号：US17322059

    申请日：2021-05-17

    Applicant: Japan Display Inc.

    Inventor： Koji Noguchi ,  Yoshitoshi Kida ,  Kohei Azumi

    IPC: G06F3/041 ,  G06F3/047 ,  G09G5/00 ,  G09G5/18 ,  G09G3/36 ,  G06F3/044

    Abstract: A display device is provided and includes scanning and signal lines; switch electrically coupled to scanning and signal lines; pixel electrode electrically coupled to switch and opposed to drive electrode; first and second display periods, and detection period between first and second display periods, wherein during first and second display periods, common voltage is applied to drive electrode, scanning signal is applied to scanning line and switch, pixel signal is applied to pixel electrode through signal line and switch, during detection period, AC drive signal or pulse drive signal is applied to drive electrode, and scanning signal is not applied to scanning line.

    Touch detection device and display device with touch detection function
    97.
    发明授权
    Touch detection device and display device with touch detection function 有权

    公开(公告)号：US11068095B2

    公开(公告)日：2021-07-20

    申请号：US16780510

    申请日：2020-02-03

    Applicant: Japan Display Inc.

    Inventor： Koji Noguchi

    IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1343 ,  G02F1/1333

    Abstract: According to an aspect, a touch detection device includes: a plurality of drive electrodes arranged in parallel with each other; and a plurality of first touch detection electrodes arranged in parallel with each other and arranged at a portion not in contact with the drive electrodes and where the first touch detection electrode forms capacitance with a drive electrode to which a drive signal is output. The drive electrodes includes a drive electrode including a plurality of subdivided electrodes an arrangement pitch of which is finer than an arrangement pitch of the drive electrodes. The drive electrode including the subdivided electrodes is provided such that switching is enabled between a first mode in which the drive signal is collectively output to the subdivided electrodes of the drive electrode and a second mode in which the drive signal is individually output to each of the subdivided electrodes of the drive electrode.

    Display device
    98.
    发明授权
    Display device 有权

    公开(公告)号：US10949039B2

    公开(公告)日：2021-03-16

    申请号：US16857840

    申请日：2020-04-24

    Applicant: Japan Display Inc.

    Inventor： Koji Noguchi ,  Takayuki Nakanishi

    IPC: G06F3/044 ,  G06F3/041

    Abstract: A display device is provided and includes first and second substrates; first and second electrodes, the first electrode having a rectangular shape; the second electrode provided to the second substrate at a position closer to a display surface than the first electrode in a direction perpendicular to the first substrate; a drive circuit configured to supply first or second drive signals to the second electrode; and a control circuit having a first detection mode for detecting an object to be detected in contact with the display surface based on a first detection signal corresponding to change in mutual capacitance between first and second electrodes when the first drive signal is supplied to the second electrode, and a second detection mode for detecting the object to be detected not in contact with the display surface based on a second detection signal corresponding to change in self-capacitance in the second electrode when the second drive signal is supplied to the second electrode, wherein first and second electrodes do not overlap in planar view.

    Detection device, display device, and electronic apparatus
    99.
    发明授权
    Detection device, display device, and electronic apparatus 有权

    公开(公告)号：US10817100B2

    公开(公告)日：2020-10-27

    申请号：US16563247

    申请日：2019-09-06

    Applicant: Japan Display Inc.

    Inventor： Koji Noguchi ,  Tadayoshi Katsuta ,  Yasuyuki Teranishi

    IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

    Abstract: A detection device includes a substrate, first electrodes, second electrodes, and a conductor. The substrate has a first surface and a second surface opposite to the first surface. The first electrodes are provided in a display area of the substrate and detect the position of an object being in contact with or in proximity to the first surface side of the substrate or pressure of the object being in contact with the first surface side. The second electrodes are provided along at least one side of the outer periphery of the display area. The conductor is provided on the second surface side of the substrate apart from the substrate and generates an electrostatic capacitor between the conductor and the second electrodes.

    Display unit with touch detection function and electronic unit
    100.
    发明授权
    Display unit with touch detection function and electronic unit 有权

    公开(公告)号：US10692448B2

    公开(公告)日：2020-06-23

    申请号：US14739707

    申请日：2015-06-15

    Applicant: Japan Display Inc.

    Inventor： Yoshitoshi Kida ,  Kohei Azumi ,  Koji Noguchi ,  Koji Ishizaki

    IPC: G06F3/044 ,  G09G3/36 ,  G06F3/041 ,  G02F1/1333

    Abstract: A display unit with touch detection function includes a plurality of pixel signal lines each transmitting a pixel signal for display; a pixel signal line drive section applying the pixel signal to each of the pixel signal lines; display elements each performing display based on the pixel signal; touch detection electrodes each outputting a detection signal based on a change in capacitance occurring due to an external proximity object; and a touch detection section detecting, in a touch detection period, a touch event based on the detection signal, the touch detection period being different from a display period for the display elements to perform display operation. The pixel signal line drive section maintains a voltage of each of the pixel signal lines at a certain level during the touch detection period.

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