Driving circuit of a touch display panel for reducing parasitic capacitances

A method for driving a touch display panel, wherein the touch display panel comprises a plurality of gate lines, a plurality of data lines, and a plurality of sensor pads, and the method comprising:

• modulating a plurality of voltage signals on a first driving signal, a second driving signal, and a third driving signal during a sensing period;
• providing the modulated first driving signal and the modulated second driving signal to a gate control circuit to drive the gate lines during the sensing period;
• and
• driving the sensor pads with the modulated third driving signal during the sensing period.

A display device, comprising:

• a touch display panel, comprising a plurality of gate lines, a plurality of data lines, and a plurality of sensor pads;
• a gate control circuit, coupled to the gate lines of the touch display panel;
• and
• a driving circuit, configured to drive the touch display panel and comprising:
• a signal generating circuit, coupled to the gate lines of the touch display panel via the gate control circuit, and configured to modulate a plurality of voltage signals on a first driving signal and a second driving signal, and provide the modulated first driving signal and the modulated second driving signal to the gate control circuit to drive the gate lines during a sensing period;
• and
• a sensor driving circuit, coupled to the sensor pads of the touch display panel, and configured to modulate the voltage signals on a third driving signal, and drive the sensor pads with the modulated third driving signal during the sensing period.