中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

24 records (took 0.018 seconds)

    Touch sensing system including active stylus pen
    4.
    发明授权
    Touch sensing system including active stylus pen 有权

    公开(公告)号：US10474280B2

    公开(公告)日：2019-11-12

    申请号：US15381410

    申请日：2016-12-16

    Applicant: LG Display Co., Ltd.

    Inventor： Hyunguk Jang ,  Cheolse Kim ,  Sungchul Kim ,  Sanghyuck Bae ,  Sungsu Han ,  Suyun Ju ,  Doyoung Jung

    IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/038 ,  G06F3/044

    Abstract: A touch sensing system is disclosed. The touch sensing system includes an active stylus pen that generates a first pen driving signal for detecting a touch input in synchronization with a touch driving signal input from a touch screen and a second pen driving signal for detecting an additional input related to an additional function of the active stylus pen in a touch driving period and outputs the first and second pen driving signals to the touch screen; and a touch driving device that applies the touch driving signal to the touch screen, senses the first pen driving signal in a first period of the touch driving period, and senses the second pen driving signal in a second period of the touch driving period.

    Touch display device and touch sensing circuit
    7.
    发明授权
    Touch display device and touch sensing circuit 有权

    公开(公告)号：US11243644B2

    公开(公告)日：2022-02-08

    申请号：US16726530

    申请日：2019-12-24

    Applicant: LG Display Co., Ltd.

    Inventor： Suyun Ju ,  HyungUk Jang ,  Sungsu Han ,  DoYoung Jung ,  SangHyuck Bae ,  Jongsung Kim

    IPC: G06F3/041 ,  G06F3/038 ,  G06F3/0354 ,  G06F3/0484 ,  G06F3/044

    Abstract: A touch display device comprises a touch panel including a plurality of touch electrodes; and a touch driving circuit configured to sense one or more of the plurality of touch electrodes, wherein the touch driving circuit has an operation period including a plurality of touch intervals that includes a first sensing interval and a second sensing interval, and the first sensing interval includes at least a first time division sensing interval and the second sensing interval includes at least a second time division sensing interval, and wherein the touch driving circuit is configured to detect a pen signal output from a first pen through one or more touch electrodes of the plurality of touch electrodes during the first time division sensing interval, and detect a pen signal output from a second pen through one or more touch electrodes of the plurality of touch electrodes during the second time division sensing interval.

    Driving circuit, touch display device, and method for driving the touch display device
    8.
    发明授权
    Driving circuit, touch display device, and method for driving the touch display device 有权

    公开(公告)号：US10691248B2

    公开(公告)日：2020-06-23

    申请号：US15258915

    申请日：2016-09-07

    Applicant: LG Display Co., Ltd.

    Inventor： CheolSe Kim ,  BuYeol Lee ,  YongChan Park ,  Suyun Ju

    IPC: G06F3/044 ,  G06F3/041

    Abstract: The present embodiments relate to a touch technology and, more particularly, to a touch display device, which includes multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap existing between the multiple first electrodes and the at least one second electrode, a method for driving the same, and a driving circuit for driving the multiple first electrodes and the at least one second electrode. The present embodiments, as described above, make it possible to sense not only a touch position, but also a touch force, with which the user presses the screen during a touch.

    TOUCH DISPLAY DEVICE, TOUCH SYSTEM, TOUCH DRIVING CIRCUIT, PEN, AND PEN SENSING METHOD
    10.
    发明申请
    TOUCH DISPLAY DEVICE, TOUCH SYSTEM, TOUCH DRIVING CIRCUIT, PEN, AND PEN SENSING METHOD 审中-公开

    公开(公告)号：US20190204939A1

    公开(公告)日：2019-07-04

    申请号：US16233537

    申请日：2018-12-27

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Suyun Ju ,  HyungUk Jang ,  SangHyuck Bae ,  Sungsu Han ,  DoYoung Jung

    IPC: G06F3/0354 ,  G06F3/041 ,  G06F3/01 ,  G06F3/0488

    Abstract: The aspects of the present disclosure relate to a touch display device, a touch system, a touch driving circuit, a pen, and a pen sensing method, and more particularly, to a touch display device, a touch system, a touch driving circuit, a pen, and a pen sensing method, which may receive a first downlink signal and a second downlink signal output from a pen through all or some of a plurality of touch electrodes and may sense the pen based on received signal strength for each touch electrode for the first downlink signal and received signal strength for each touch electrode for the second downlink signal. According to the aspects of the present disclosure, the pen may be accurately sensed even when a user uses the pen in a tilted manner.

Patent Agency Ranking