TOUCH SENSOR AND DISPLAY DEVICE INCLUDING THE SAME

    公开(公告)号:US20200293139A1

    公开(公告)日:2020-09-17

    申请号:US16889079

    申请日:2020-06-01

    Abstract: A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.

    TOUCH SENSOR AND A METHOD FOR DETECTING A USER'S TOUCH

    公开(公告)号:US20250085806A1

    公开(公告)日:2025-03-13

    申请号:US18772415

    申请日:2024-07-15

    Abstract: A touch sensor is provided. The touch sensor including: first touch electrodes; scan lines connected to the first touch electrodes; and a controller that applies a scan signal to each of the scan lines, wherein the scan signal includes a plurality of unit signals in a first time period and a second time period, and includes a gap signal in a gap period between the first time period and the second time period, and an amplitude of each of the plurality of unit signals is greater than an amplitude of the gap signal.

    TOUCH DETECTION DEVICE AND DISPLAY DEVICE INCLUDING THE SAME

    公开(公告)号:US20240201811A1

    公开(公告)日:2024-06-20

    申请号:US18364834

    申请日:2023-08-03

    Inventor: Jung Hak KIM

    Abstract: A touch detection device may include a touch area including a plurality of driving electrodes and a plurality of detecting electrodes, a plurality of touch driving integrated circuits (ICs) electrically connected to and supplying driving signals to the driving electrodes, a plurality of touch detecting ICs electrically connected to the detecting electrodes and receiving touch detection signals from the detecting electrodes, and a touch control IC controlling the touch driving ICs and the touch detecting ICs. The touch area may be divided into a plurality of sub-touch areas, the touch driving ICs may be provided to correspond to the plurality of sub-touch areas, respectively, in a one-to-one manner, and the plurality of touch detecting ICs may be provided to correspond to the sub-touch areas, respectively.

    DISPLAY DEVICE AND METHOD OF DRIVING THE SAME

    公开(公告)号:US20200333910A1

    公开(公告)日:2020-10-22

    申请号:US16921764

    申请日:2020-07-06

    Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.

    DISPLAY DEVICE
    8.
    发明申请
    DISPLAY DEVICE 审中-公开

    公开(公告)号:US20200272802A1

    公开(公告)日:2020-08-27

    申请号:US16712875

    申请日:2019-12-12

    Abstract: A display device includes: a display panel including a display area; a fingerprint sensor disposed under the display panel overlapping the display area, the fingerprint sensor including: an optical lens; a lens frame disposed under the optical lens; an image sensor disposed under the lens frame and exposed toward the optical lens through an opening formed in the lens frame; and an adhesive layer disposed between the lens frame and the display panel and surrounding the optical lens in a plan view, and attaching the lens frame and the display panel to each other; and a lens guide disposed between the adhesive layer and the optical lens in the plan view, and configured to maintain a distance between a lower surface of the display panel and an upper surface of the optical lens, the lens guide protruding from an upper surface of the lens frame toward the display panel.

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