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    Touch detection device with touch control integrated circuit and display device including the same
    1.
    发明授权
    Touch detection device with touch control integrated circuit and display device including the same 有权

    公开(公告)号：US12265672B2

    公开(公告)日：2025-04-01

    申请号：US18364834

    申请日：2023-08-03

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Jung Hak Kim

    IPC: G06F3/041 ,  G06F3/044

    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
    5.
    发明授权
    Display device 有权

    公开(公告)号：US11429211B2

    公开(公告)日：2022-08-30

    申请号：US17015419

    申请日：2020-09-09

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Do Ik Kim ,  Gwang Bum Ko ,  Jung Hak Kim ,  Sang Chul Lee ,  Ga Young Kim

    IPC: G06F3/041 ,  G06F3/044 ,  G09G3/20

    Abstract: There is provided a display device including a high-sensitivity touch sensor. A display device includes: pixels arranged in a display region; sensing electrodes arranged in a sensing region; sensing lines coupled to the respective sensing electrodes; a noise detection electrode disposed on the same layer as the sensing electrodes; sensing channels each including a first input terminal coupled to any one of the sensing electrodes and a second input terminal coupled to the noise detection electrode, the sensing channels each generating an output signal corresponding to a voltage difference between the first and second input terminals; and a processor detecting a touch input, using the output signals of the sensing channels.

    Touch sensor and display device including the same
    8.
    发明授权
    Touch sensor and display device including the same 有权

    公开(公告)号：US10705635B2

    公开(公告)日：2020-07-07

    申请号：US16036090

    申请日：2018-07-16

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jung Hak Kim ,  Do Ik Kim ,  Young Sik Kim ,  Sang Chul Lee

    IPC: G06F3/041 ,  G06F3/044 ,  G06F3/047 ,  H01L27/32 ,  H01L51/52 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/20

    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.

    Display device and method of driving the same
    9.
    发明授权
    Display device and method of driving the same 有权

    公开(公告)号：US11520421B2

    公开(公告)日：2022-12-06

    申请号：US16110226

    申请日：2018-08-23

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jung Hak Kim ,  Do Ik Kim ,  Ga Young Kim ,  Young Sik Kim ,  Sang Chul Lee

    IPC: G06F3/041 ,  G06F3/044 ,  G09G3/3225

    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 AND DRIVING METHOD THEREOF
    10.
    发明申请
    DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权

    公开(公告)号：US20220147215A1

    公开(公告)日：2022-05-12

    申请号：US17343449

    申请日：2021-06-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jeong Heon Lee ,  Kyo Won Ku ,  Jung Hak Kim ,  Jin Woo Kim ,  Dong Chun Lee ,  Byeong Kyu Jeon

    IPC: G06F3/041

    Abstract: A display device includes: a display unit; and a sensor unit overlapping with the display unit, and including first sensors, and second sensors crossing the first sensors. During a first frame period, the first sensors are to transmit an uplink signal, and the second sensors are to not transmit the uplink signal, and during a second frame period after the first frame period, the second sensors are to transmit the uplink signal, and the first sensors are to not transmit the uplink signal.

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