TOUCH DISPLAY PANEL AND DRIVING METHOD OF TOUCH MODE

摘要

A touch display panel capable of operating in a display mode and a touch mode. In the touch mode, a data line transmits a data voltage signal to a pixel electrode of the touch display panel, and a corresponding common electrode is at a constant voltage level. In the touch mode, the data line transmits a touch driving signal to the pixel electrode and then receives a touch sensing signal from the pixel electrode, and the corresponding common electrode is floating.

主权项

1. A touch display panel, comprising:
a plurality of pixels disposed in a active area, each pixel comprising:
a pixel electrode; a first switching element connected between the pixel electrode and a data line; and a common electrode corresponding to the pixel electrode and connected to a common electrode line, wherein in a display mode, the data line supplies a data signal to the pixel electrode via the first switching element, and the common electrode line supplies a first voltage level to the common electrode, wherein the first voltage level is a constant value, and wherein in a touch mode, the data line supplies a touch driving signal to the pixel electrode via the first switching element and receives a touch sensing signal from the pixel electrode, and the common electrode is a second voltage level, wherein the second voltage level is floating.