Patent ID: 11953772
Assignee: LX SEMICON CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. The touch driving device of claim 7, further comprising first and second touch driving circuits configured to transmit a touch driving signal and a common voltage to the touch panel,
wherein the plurality of first driving device pads are divided into a 1-1 driving device pad, a 1-2 driving device pad, and a 1-3 driving device pad, and the plurality of second driving device pads are divided into 2-1 and 2-2 driving device pads,
during a first touch driving stage, the 1-1 driving device pad is connected to the first touch sensing circuit to receive the touch sensing signal, the 2-1 driving device pad is connected to the second touch sensing circuit to receive the touch sensing signal, the 1-2 driving device pad is connected to the first touch driving circuit to transmit the common voltage, the 2-2 driving device pad is connected to the second touch driving circuit to transmit the common voltage, and the 1-3 driving device pad is floated,
during a second touch driving stage, the 1-1 driving device pad is connected to the first touch driving circuit to transmit the common voltage, the 2-1 driving device pad is connected to the second touch driving circuit to transmit the common voltage, the 1-2 driving device pad is connected to the first touch sensing circuit to receive the touch sensing signal, the 2-2 driving device pad is connected to the second touch sensing circuit to receive the touch sensing signal, and the 1-3 driving device pad is floated, and
during a third touch driving stage, the 1-1 driving device pad and the 2-1 driving device pad are floated, the 1-2 driving device pad is connected to the first touch driving circuit to transmit the common voltage, the 2-2 driving device pad is connected to the second touch driving circuit to transmit the common voltage, and the 1-3 driving device pad is connected to the first touch sensing circuit to receive the touch sensing signal.