公开(公告)号：US20240160312A1

公开(公告)日：2024-05-16

申请号：US18242353

申请日：2023-09-05

Applicant: LG Display Co., Ltd.

Inventor： Yangsik LEE ,  SangHyuck BAE

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04164 ,  G06F3/0446

Abstract: A touch display device can include a substrate having a display area and a non-display area located outside of the display area; at least one subpixel disposed in the display area including a display anode electrode, an emission layer and a display cathode electrode; and a display driving transistor disposed in the display area and being configured to drive the display anode electrode. Also, the touch display device can include a touch electrode disposed in the display area; a touch driving transistor disposed in the display area and configured to drive the touch electrode, the touch driving transistor including a first active layer, a first source electrode, a first drain electrode and a first gate electrode; and a control transistor configured to control turn-on and turn-off operations of the touch driving transistor, and including a second active layer, a second source electrode, a second drain electrode and a second gate electrode.

公开(公告)号：US20210181893A1

公开(公告)日：2021-06-17

申请号：US17187146

申请日：2021-02-26

Applicant: LG Display Co., Ltd.

Inventor： SangHyuck BAE ,  BuYeol LEE ,  SeungRok SHIN ,  CheolSe KIM ,  DeukSu LEE ,  Hyunwoo JANG ,  Jaeseung KIM ,  YoungGyu KIM ,  Hyunsuk CHO

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

Abstract: Embodiments described herein is able to provide a touch display device, an active pen, a touch system, a touch circuit, and a pen recognition method capable of efficiently providing a display function, a touch-sensing function, and a pen-touch-sensing function.

公开(公告)号：US20210124449A1

公开(公告)日：2021-04-29

申请号：US17022768

申请日：2020-09-16

Applicant: LG Display Co., Ltd.

Inventor： HyungUk JANG ,  NamYong GONG ,  SangHyuck BAE ,  YoungGyu KIM ,  DoYoung JUNG ,  Hyunsuk CHO ,  Jongsung KIM

IPC: G06F3/041 ,  G06F3/044

Abstract: Provided are a touch display device and a touch circuit that can effectively simultaneously sense a plurality of pens in a predetermined touch frame time (a driving time) by simultaneously performing sensing of pen information and sensing of a pen position using pen data.

公开(公告)号：US20190102021A1

公开(公告)日：2019-04-04

申请号：US16140903

申请日：2018-09-25

Applicant: LG DISPLAY CO., LTD.

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

IPC: G06F3/041 ,  G06F3/0354

Abstract: Disclosed are a touch display device, a touch circuit, a pen, a touch system, and a multi-pen sensing method for receiving downlink signals output from two or more pens through one or more touch electrodes on a panel and distinguishably sensing the two or more pens based on unique information of the received downlink signals.

公开(公告)号：US20180113559A1

公开(公告)日：2018-04-26

申请号：US15792409

申请日：2017-10-24

Applicant: LG Display Co., Ltd.

Inventor： SangHyuck BAE ,  BuYeol LEE ,  SeungRok SHIN ,  CheolSe KIM ,  DeukSu LEE ,  Hyunwoo JANG ,  Jaeseung KIM ,  YoungGyu KIM ,  Hyunsuk CHO

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

CPC classification number: G06F3/0416 ,  G06F3/03545 ,  G06F3/0383 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04104 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: Embodiments described herein is able to provide a touch display device, an active pen, a touch system, a touch circuit, and a pen recognition method capable of efficiently providing a display function, a touch-sensing function, and a pen-touch-sensing function.

公开(公告)号：US20160188005A1

公开(公告)日：2016-06-30

申请号：US14959337

申请日：2015-12-04

Applicant: LG DISPLAY CO., LTD.

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

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

Abstract: Disclosed is a touch screen device for transmitting button manipulation information based on a touch pen without using a separate wireless communication module. 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 to the touch screen in response to the received touch electrode driving signal. The touch pen includes at least one button, and when a user manipulates the at least one button, the touch pen adjusts the pen output signal.

Abstract translation: 公开了一种用于在不使用单独的无线通信模块的情况下基于触摸笔发送按钮操作信息的触摸屏设备。 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 响应于所接收的触摸电极驱动信号将笔输出信号发送到触摸屏。 触摸笔包括至少一个按钮，并且当用户操纵至少一个按钮时，触摸笔调节笔输出信号。