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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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22.发明申请公开(公告)号：US20130241873A1
公开(公告)日：2013-09-19
申请号：US13839540
申请日：2013-03-15
Applicant: LG DISPLAY CO., LTD.
Inventor： SungChul KIM , Sujin KWON
IPC: H05K1/02 , G06F3/044 , G02F1/1333
CPC classification number: H05K1/0228 , G02F1/13338 , G02F1/13452 , G06F3/0412 , G06F3/0418 , G06F3/044 , H05K2201/09672
Abstract: Discussed is a Flexible Printed Circuit (FPC). The FPC includes a plurality of touch lines respectively connected to a plurality of touch electrode lines, a first film adhered to the touch lines, a second film overlapping the first film at an upper end surface of the first film and covering the touch lines, and a feedback compensation signal electrode adhered to a lower end surface of the first film, and receiving a feedback compensation signal for removing noise.
Abstract translation: 讨论了柔性印刷电路（FPC）。 FPC包括分别连接到多个触摸电极线的多个触摸线，粘附到触摸线的第一膜，在第一膜的上端表面处覆盖第一膜并覆盖触摸线的第二膜，以及 反馈补偿信号电极，粘附到第一膜的下端面，并且接收用于去除噪声的反馈补偿信号。
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公开(公告)号：US20240220052A1
公开(公告)日：2024-07-04
申请号：US18488272
申请日：2023-10-17
Applicant: LG Display Co., Ltd.
Inventor： SungChul KIM , HoonBae KIM , SunYeop KIM
CPC classification number: G06F3/0418 , G06F1/1652 , G06F3/04164 , G09F9/301 , H03M1/001 , G06F2203/04102
Abstract: According to an aspect of the present disclosure, a display device includes: a stretchable touch panel having a plurality of touch electrodes; a stretchable display panel configured to display an image; and a touch driver configured to operate the stretchable touch panel, in which the touch driver recognizes a stretchable area of the stretchable touch panel and corrects a touch data value of the stretchable area of the stretchable touch panel, thereby improving touch performance of the stretchable touch panel.
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公开(公告)号：US20220137769A1
公开(公告)日：2022-05-05
申请号：US17574017
申请日：2022-01-12
Applicant: LG DISPLAY CO., LTD.
Inventor： HoonBae KIM , SungChul KIM , SunYeop KIM , Seongkyu KANG
IPC: G06F3/041 , G06F3/0354
Abstract: A touch display device includes a first driving circuit supplying a gate signal to a part of a plurality of gate lines before a beacon period in which a beacon signal for an active stylus is generated, and a second driving circuit supplying the gate signal to another part of the plurality of gate lines after the beacon period ends, the touch display device and the driving method thereof may prevent display failure caused by the beacon signal for the active stylus.
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公开(公告)号：US20190384475A1
公开(公告)日：2019-12-19
申请号：US16439366
申请日：2019-06-12
Applicant: LG Display Co., Ltd.
Inventor： HoonBae KIM , CheolSe KIM , SungChul KIM , SunYeop KIM , Seongkyu KANG
Abstract: A touch display device, a data driving circuit, and a driving method are provided. The touch display device, the data driving circuit, and the driving method convert an image digital signal into an image analog signal in response to a gamma reference voltage which is applied to the touch electrodes arranged in the display panel and which is modulated in synchronization with a first touch electrode driving signal swinging with a first amplitude and output a data signal corresponding to the converted image analog signal to the data lines. Accordingly, it is possible to effectively simultaneously perform display and touch sensing.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20180196573A1
公开(公告)日：2018-07-12
申请号：US15916199
申请日：2018-03-08
Applicant: LG Display Co., Ltd.
Inventor： Seongkyu KANG , SungChul KIM
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/0418 , G06F3/044 , G09G5/006 , G09G2300/0413 , G09G2310/0245 , G09G2310/0275 , G09G2310/0297 , G09G2310/08
Abstract: A touch circuit, a display driver circuit, a touch display device, and a method of driving the same. After display driving is ended and before touch driving begins to be performed, touch driving and touch sensing are accurately performed through pre-setting driving without the influence of display driving that was ended already. An accurate touch sensing result without touch sensing noise is obtained.
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公开(公告)号：US20180143712A1
公开(公告)日：2018-05-24
申请号：US15875696
申请日：2018-01-19
Applicant: LG Display Co., Ltd.
Inventor： JungHan LEE , HongChul KIM , SungChul KIM , JeongSeop LEE , SeungEun PYO
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416
Abstract: Discussed are a display device with an integrated touch screen and a method of operating the same. The display device according to an embodiment includes a display panel including a plurality of pixel electrodes; a touch screen including m number of electrodes which are formed to overlap with the plurality of pixel electrodes, wherein m is a multiple of n, and n is an integer equal to or greater than two, and wherein the m electrodes are divided into n number of electrode groups; a touch driver configured to generate a touch scan signal and to supply the generated touch scan signal to a display driver; and the display driver configured to apply a common voltage or the touch scan signal to one or more of the m electrodes depending on a driving mode of the display device.
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28.发明申请公开(公告)号：US20170123582A1
公开(公告)日：2017-05-04
申请号：US15405239
申请日：2017-01-12
Applicant: LG Display Co., Ltd.
Inventor： SungChul KIM
CPC classification number: G06F3/0416 , G06F3/044 , G06F2203/04101 , G06F2203/04103 , G09G3/2092 , G09G3/3648 , G09G3/3688 , G09G2310/0248 , G09G2310/0275 , G09G2310/08 , G09G2330/028 , G09G2354/00
Abstract: Disclosed is a display device including: a display panel including data lines and gate lines; a touch screen including a plurality of touch screens; a data driving circuit for supplying a data voltage to the data lines; a gate driving circuit for supplying a gate voltage to the gate lines; a touch sensing circuit for applying a driving signal to the touch sensors to sense a change in a voltage or a capacitance value of the touch sensors; and a timing controller for time-dividing a first frame period into a first driving period for sensing the touch sensors and a second driving period for performing display on the display panel, wherein the timing controller performs a control to supply a data voltage to a first area of the first driving period adjacent to a boundary surface between the first driving period and the second driving period.
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29.发明申请公开(公告)号：US20170102824A1
公开(公告)日：2017-04-13
申请号：US14957574
申请日：2015-12-02
Applicant: LG Display Co., Ltd.
Inventor： Seongkyu KANG , SungChul KIM
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/0418 , G06F3/044 , G09G5/006 , G09G2300/0413 , G09G2310/0245 , G09G2310/0275 , G09G2310/0297 , G09G2310/08
Abstract: A touch circuit, a display driver circuit, a touch display device, and a method of driving the same. After display driving is ended and before touch driving begins to be performed, touch driving and touch sensing are accurately performed through pre-setting driving without the influence of display driving that was ended already. An accurate touch sensing result without touch sensing noise is obtained.
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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。
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