Patent ID: 11914810
Assignee: LG DISPLAY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 18:
19. A driving method of a touch display device including a display panel having a plurality of gate lines, a plurality of data lines, and a plurality of touch electrodes, the driving method comprising:
supplying, by a touch circuit, a touch driving signal to the display panel for sensing a pen touch of an active stylus;
supplying, by a first gate driving circuit, a first gate signal to a first part of the plurality of gate lines in a first display period in which the touch circuit supplies the touch driving signal to the display panel for sensing the pen touch of the active stylus in a touch period;
supplying, by a second gate driving circuit, a second gate signal to a second part of the plurality of gate lines in a second display period in which the touch circuit supplies the touch driving signal to the display panel; and
transmitting, by the display panel, a beacon signal for the active stylus in a beacon period which does not overlap with the first display period and the second display period,
wherein the first display period and the second display period are included in one frame period,
wherein each of the first and second display periods and the touch period simultaneously occur, and
wherein the beacon period is located between the first display period and the second display period.