Patent ID: 11947753
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The touch driving circuit according to claim 5, wherein during the first period of time, the first MOS transistor is turned on, gates of the first voltage-bearing transistor and the second voltage-bearing transistor are connected to the ground terminal GND, and other five MOS transistors are cut off;
during the second period of time, the second MOS transistor is turned on, the gates of the first voltage-bearing transistor and the second voltage-bearing transistor are connected to the ground terminal GND, and the other five MOS transistors are cut off;
during the third period of time, the third MOS transistor is turned on, a voltage connected to a gate of the first voltage-bearing transistor is equal to a difference obtained by subtracting the first positive voltage from the second positive voltage, a gate of the second voltage-bearing transistor is connected to the ground terminal GND, and the other five MOS transistors are cut off;
during the fourth period of time, the fourth MOS transistor is turned on, the gates of the first voltage-bearing transistor and the second voltage-bearing transistor are connected to the ground terminal GND, and the other five MOS transistors are cut off;
during the fifth period of time, the fifth MOS transistor is turned on, the gates of the first voltage-bearing transistor and the second voltage-bearing transistor are connected to the ground terminal GND, and the other five MOS transistors are cut off;
during the sixth period of time, the fourth MOS transistor is turned on, the gates of the first voltage-bearing transistor and the second voltage-bearing transistor are connected to the ground terminal GND, and the other five MOS transistors are cut off;
during the seventh period of time, the sixth MOS transistor is turned on, the gate of the first voltage-bearing transistor is connected to the ground terminal GND, a voltage connected to the gate of the second voltage-bearing transistor is equal to a difference obtained by subtracting the first negative voltage from the second negative voltage, and the other five MOS transistors are cut off; and
during the eighth period of time, the second MOS transistor is turned on, the gates of the first voltage-bearing transistor and the second voltage-bearing transistor are connected to the ground terminal GND, and the other five MOS transistors are cut off.