LG Display Co., Ltd.
Touch display device, touch circuit, pen, touch system, and multi-pen sensing method

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.