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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.
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公开(公告)号：US20190171320A1
公开(公告)日：2019-06-06
申请号：US16197285
申请日：2018-11-20
Applicant: LG Display Co., Ltd.
Inventor： HoonBae KIM , CheolSe KIM , SangHyuck BAE
IPC: G06F3/041 , G06F3/0354
Abstract: The present embodiments relate to a touch display device, a touch system, a driving circuit, and a driving method. The touch display device may include a display panel configured to have a plurality of data lines, a plurality of gate lines, and a plurality of common electrodes, which are arranged thereon, and a driving circuit configured to supply an uplink signal to at least a subset of the plurality of common electrodes disposed in at least a first region of the display panel during the display blank period to enable the pen to detect the uplink signal when the pen is in contact with or is adjacent to the display panel.
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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。
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公开(公告)号：US20180150177A1
公开(公告)日：2018-05-31
申请号：US15798161
申请日：2017-10-30
Applicant: LG Display Co., Ltd
Inventor： JuneYoun HWANG , BeomJin KIM , HyungUk JANG , SangHyuck BAE , Sungsu HAN , Suyun JU , DoYoung JUNG
CPC classification number: G06F3/0416 , G06F3/044 , G06F2203/04107 , G09G5/003
Abstract: There are provided a touch display device, a touch driving circuit, and a touch sensing method. More specifically, a touch display device includes a touch screen panel including a plurality of touch electrodes and a touch driving circuit configured to output a touch driving signal to at least a portion of the plurality of touch electrodes for sensing a touch. Upon detection of an event in which at least one first area of the touch screen panel is set as a touch sensing area and at least one second area of the touch screen panel is set as a non-touch sensing area, the touch driving circuit is configured to output the touch driving signal to one or more of the plurality of touch electrodes that correspond to the at least one first area of the touch screen panel.
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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。
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Patent Agency Ranking
公开(公告)号：US20230205358A1
公开(公告)日：2023-06-29
申请号：US17977230
申请日：2022-10-31
Applicant: LG Display Co., Ltd.
Inventor： Yangsik LEE , SangHyuck BAE
CPC classification number: G06F3/04164 , G06F3/0412 , H01L27/323 , H01L27/3246 , H01L27/3248 , H01L27/3258 , H01L27/3276 , G06F2203/04107 , G06F2203/04111 , G06F2203/04112 , G09G3/3233 , G09G2300/0408 , G09G2300/0426 , G09G2300/0842
Abstract: A touch display device can include a substrate including a display area and a non-display area, a first touch electrode disposed on the substrate in the display area, a first touch line electrically connected to a touch pad disposed in the non-display area, a buffer layer disposed on the first touch electrode or the first touch line, a first driving transistor disposed on the buffer layer and included in a first sub-pixel overlapping the first touch electrode, a first gate line connected to the first sub-pixel, a first touch gate line disposed in parallel to the first gate line, and a first touch driving transistor disposed in the display area and controlling a connection between the first touch line and the first touch electrode.
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公开(公告)号：US20230195256A1
公开(公告)日：2023-06-22
申请号：US17974181
申请日：2022-10-26
Applicant: LG Display Co., Ltd.
Inventor： Yangsik LEE , SangHyuck BAE
CPC classification number: G06F3/041662 , G06F3/04164 , G06F3/0446 , G06F3/0412
Abstract: A touch display device can include first and second touch electrodes spaced apart from each other, a first touch line to which a first touch driving signal is applied, a first touch driving transistor configured to control a connection between the first touch electrode and the first touch line, and a second touch driving transistor configured to control a connection between the second touch electrode and the first touch line. As the first touch driving transistor is turned on, a first touch driving signal can be supplied to the first touch electrode through the first touch line, and as the second touch driving transistor is turned on, the first touch driving signal can be supplied to the second touch electrode through the first touch line.
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8.发明申请公开(公告)号：US20200033990A1
公开(公告)日：2020-01-30
申请号：US16591155
申请日：2019-10-02
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
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.
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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.
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公开(公告)号：US20240160313A1
公开(公告)日：2024-05-16
申请号：US18500788
申请日：2023-11-02
Applicant: LG Display Co., Ltd.
Inventor： Sungsu HAN , SangHyuck BAE , HwiDeuk LEE , Hyunsuk CHO
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/041662 , G06F3/0448 , G09G3/32 , H01L25/0753 , H01L25/167 , H01L33/405 , G06F2203/04104 , G09G2310/0267 , G09G2310/08
Abstract: The present disclosure provides a touch sensor embedded light emitting diode display device and a touch display panel. The device includes a substrate, a light emitting diode (LED) disposed over the substrate. The LED includes a first electrode and a second electrode. The device includes a pixel electrode electrically connected to the first electrode and a common electrode electrically connected to the second electrode. The device includes a driving transistor disposed over the substrate. The transistor includes an active layer, a source electrode, a drain electrode, and a gate electrode. The device includes a relay electrode electrically connecting the source electrode or drain electrode to the pixel electrode. The device includes a first touch sensor electrode disposed spaced apart from the light emitting diode and including the same conductive material as the pixel electrode.
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