Patent ID: 7019796

Claim:
A TFT ESD protective circuit disposed between a scanning signal line or a data signal line and a Vcom, comprising: a positive ESD protective unit composed of a first TFT, a second TFT and a third TFT, the gate electrode and drain electrode of the first and second TFT being short-circuited and connected with the scanning signal line and data signal line, the source electrode of the first TFT being connected with the gate electrode of the third TFT, the source electrode of the second TFT being connected with the drain electrode of the third TFT, the source electrode of the third TFT being connected with the Vcom; and a negative ESD protective unit composed of a fourth TFT, a fifth TFT and a sixth TFT, the gate electrode and drain electrode of the fourth and fifth TFT being short-circuited and connected with the Vcom, the source electrode of the fifth TFT being connected with the gate electrode of the sixth TFT, the source electrode of the fourth TFT being connected with the drain electrode of the sixth TFT, the source electrode of the sixth TFT being connected with the scanning signal line and data signal line.