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公开(公告)号：US10444889B2
公开(公告)日：2019-10-15
申请号：US15838822
申请日：2017-12-12
Applicant: LG Display Co., Ltd.
Inventor： SeHyun Chang , Dong-Woo Lee
Abstract: A touch display device, as well as its driving method, is capable of supplying a touch driving signal for touch sensing and a force touch driving signal for force touch sensing, while also reducing current consumption. A driving circuit of the touch display device changes the number of changing a pulse waveform of a sync signal between a high logic level and a low logic level, wherein the sync signal is provided to control a touch driving signal supplied to a plurality of touch electrodes, and a force touch driving signal supplied to a display module.
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