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    TOUCH SENSOR AND DISPLAY DEVICE
    4.
    发明公开
    TOUCH SENSOR AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20230409156A1

    公开(公告)日：2023-12-21

    申请号：US18238578

    申请日：2023-08-28

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jang Hui Kim ,  Ga Young Kim ,  Do Ik Kim ,  Sang Chul Lee ,  A Ra Jo

    IPC: G06F3/045

    CPC classification number: G06F3/045 ,  G06F2203/04105

    Abstract: A touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the first touch electrodes and the second touch electrodes.

    Display device
    6.
    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
    7.
    发明授权
    Touch sensor and display device including the same 有权

    公开(公告)号：US10732746B2

    公开(公告)日：2020-08-04

    申请号：US15978355

    申请日：2018-05-14

    Applicant: Samsung Display Co., Ltd.

    Inventor： Do Ik Kim ,  Ga Young Kim ,  Sang Hyun Lim ,  Young Sik Kim ,  Sang Chul Lee ,  Hwan Hee Jeong

    IPC: G06F3/041 ,  G06F3/047 ,  G06F3/044 ,  G09G3/3208 ,  H01L27/32

    Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.

    Touch sensor and method of driving the same
    8.
    发明授权
    Touch sensor and method of driving the same 有权

    公开(公告)号：US10338747B2

    公开(公告)日：2019-07-02

    申请号：US15914281

    申请日：2018-03-07

    Applicant: Samsung Display Co., Ltd.

    Inventor： Do Ik Kim ,  Sang Hyun Lim ,  Ga Young Kim ,  Young Sik Kim ,  Sang Chul Lee

    IPC: G06F3/041 ,  G06F3/044

    Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.

    Touch sensor and display device
    9.
    发明授权
    Touch sensor and display device 有权

    公开(公告)号：US11829564B2

    公开(公告)日：2023-11-28

    申请号：US18072412

    申请日：2022-11-30

    Applicant: Samsung Display Co., Ltd.

    Inventor： Do Ik Kim ,  Jang hui Kim ,  Sang Chul Lee ,  Ga Young Kim

    IPC: G06F3/044 ,  G06F3/041

    CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416

    Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.

    Touch sensor and display device including touch sensor
    10.
    发明授权
    Touch sensor and display device including touch sensor 有权

    公开(公告)号：US11604527B2

    公开(公告)日：2023-03-14

    申请号：US17506612

    申请日：2021-10-20

    Applicant: Samsung Display Co., Ltd.

    Inventor： Do Ik Kim

    IPC: G06F3/041 ,  G06F3/044 ,  G01R27/26 ,  G06F3/05

    Abstract: A display device may include a display panel, a sensor unit, and a touch driver. The sensor unit is provided on the display panel and may output a sensing signal corresponding to a touch input. The sensor unit may include a first electrode and may include a conductive layer provided between the display panel and the first electrode and spaced from the first electrode. The touch driver may include a signal receiver. The signal receiver may include a first input terminal electrically coupled to the first electrode, may include a second input terminal electrically coupled to the conductive layer, may receive the sensing signal, and may output a signal corresponding to a voltage difference the first input terminal and the second input terminal.

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