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    TOUCH SCREEN DEVICE
    1.
    发明申请
    TOUCH SCREEN DEVICE 审中-公开
    触摸屏设备

    公开(公告)号：US20160188007A1

    公开(公告)日：2016-06-30

    申请号：US14961371

    申请日：2015-12-07

    Applicant: LG DISPLAY CO., LTD.

    Inventor： DoYoung JUNG ,  SungChul KIM ,  SangHyuck BAE ,  Sungsu HAN ,  Suyun JU

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

    CPC classification number: G06F3/0383 ,  G06F3/03545 ,  G06F3/038 ,  G06F3/0412 ,  G06F3/0414 ,  G06F3/0416 ,  G06F3/044

    Abstract: Disclosed is a touch screen device for transmitting pressure information based on a touch pen without a separate sensor being provided in a touch panel. The touch screen device includes a touch screen and a touch pen transmitting a pen output signal to the touch screen. The touch pen adjusts the pen output signal according to pressure which is applied thereto when the touch pen contacts the touch screen.

    Abstract translation: 公开了一种触摸屏装置，用于在触摸板上传送压力信息，而不需要在触摸面板中提供单独的传感器。 触摸屏设备包括触摸屏和将笔输出信号发送到触摸屏的触摸笔。 当触摸笔接触触摸屏时，触摸笔根据施加到其上的压力来调节笔输出信号。

    Driving Circuit, Touch Display Device, and Method for Driving the Touch Display Device
    2.
    发明申请
    Driving Circuit, Touch Display Device, and Method for Driving the Touch Display Device 审中-公开

    公开(公告)号：US20200264726A1

    公开(公告)日：2020-08-20

    申请号：US16872089

    申请日：2020-05-11

    Applicant: LG Display Co., Ltd.

    Inventor： CheolSe KIM ,  BuYeol LEE ,  YongChan PARK ,  Suyun JU

    IPC: G06F3/041 ,  G06F3/044

    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 AND TOUCH SENSING CIRCUIT
    3.
    发明申请
    TOUCH DISPLAY DEVICE AND TOUCH SENSING CIRCUIT 审中-公开

    公开(公告)号：US20200210021A1

    公开(公告)日：2020-07-02

    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: G06F3/044

    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.

    TOUCH SENSING SYSTEM INCLUDING ACTIVE STYLUS PEN
    6.
    发明申请
    TOUCH SENSING SYSTEM INCLUDING ACTIVE STYLUS PEN 审中-公开

    公开(公告)号：US20170192591A1

    公开(公告)日：2017-07-06

    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 ,  G06F3/038 ,  G06F3/0354

    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 SCREEN DEVICE
    8.
    发明申请
    TOUCH SCREEN DEVICE 有权
    触摸屏设备

    公开(公告)号：US20160188006A1

    公开(公告)日：2016-06-30

    申请号：US14961203

    申请日：2015-12-07

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Sungsu HAN ,  SungChul KIM ,  SangHyuck BAE ,  Suyun JU ,  DoYoung JUNG

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

    CPC classification number: G06F3/0383 ,  G06F3/03545 ,  G06F3/038 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044

    Abstract: Disclosed is a touch screen device for accurately detecting a touch by using a touch pen without having a separate sensor provided in a touch panel. The touch screen device includes a touch screen including a plurality of touch electrodes, a touch driving circuit applying a touch electrode driving signal to the plurality of touch electrodes, and a touch pen receiving the touch electrode driving signal applied to the plurality of touch electrodes and transmitting a pen output signal, synchronized with the received touch electrode driving signal, to the touch screen.

    Abstract translation: 公开了一种用于通过使用触摸笔来精确检测触摸的触摸屏设备，而不需要在触摸面板中设置单独的传感器。 触摸屏装置包括具有多个触摸电极的触摸屏，向多个触摸电极施加触摸电极驱动信号的触摸驱动电路，以及接收施加到多个触摸电极的触摸电极驱动信号的触摸笔，以及 将与所接收的触摸电极驱动信号同步的笔输出信号发送到触摸屏。

    TOUCH DISPLAY DEVICE, PEN, TOUCH SYSTEM, TOUCH CIRCUIT, AND PEN RECOGNITION METHOD
    9.
    发明申请
    TOUCH DISPLAY DEVICE, PEN, TOUCH SYSTEM, TOUCH CIRCUIT, AND PEN RECOGNITION METHOD 审中-公开

    公开(公告)号：US20190004649A1

    公开(公告)日：2019-01-03

    申请号：US15791665

    申请日：2017-10-24

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Suyun JU ,  HyungUk JANG ,  SangHyuck BAE ,  DoYoung JUNG ,  SeungSeok OH ,  Sungsu HAN

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

    Abstract: A touch display device may include: a panel including a plurality of touch electrodes, and a touch circuit configured to: transfer a panel driving signal to the panel, and receive a pen information signal, output from a pen in response to the panel driving signal, through the panel, each of the panel driving signal and the pen information signal including a plurality of pulses, the pen information signal including one or more state sections among: an in-phase state section including pulses in phase with the pulses of the panel driving signal, an antiphase state section including pulses having a different phase from the pulses of the panel driving signal, and a passive state section distinguished from the in-phase state section and the antiphase state section.

    Touch Sensing System and Method of Driving the Same
    10.
    发明申请
    Touch Sensing System and Method of Driving the Same 审中-公开

    公开(公告)号：US20180181241A1

    公开(公告)日：2018-06-28

    申请号：US15824928

    申请日：2017-11-28

    Applicant: LG Display Co., Ltd.

    Inventor： Doyoung JUNG ,  Hyunwoo JANG ,  Hyunguk JANG ,  Sanghyuck BAE ,  Suyun JU

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

    CPC classification number: G06F3/0412 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/0488

    Abstract: A touch sensing system and a method of driving the same are disclosed. The touch sensing system includes a touch screen integrated display panel provided with a plurality of touch sensors and a plurality of pixels, a timing controller time-dividing one display frame into a plurality of touch periods and a plurality of display periods, a microcontroller unit dividing a sensing mode of the plurality of touch sensors into a full scan mode and a local scan mode, and a touch integrated circuit (IC) sensing a finger touch input of the touch sensors through the touch periods in the full scan mode and time-division sensing a finger touch input and a pen touch input of the touch sensors through the touch periods in the local scan mode.

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