Patent ID: 11934615
Assignee: LX SEMICON CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The touch power management circuit of claim 4, wherein the first driving signal generating circuit comprises:
a first amplifier outputting the first modulation voltage;
a sixth switch circuit, one end of which is electrically connected with an output side of the first amplifier and another end of which is electrically connected with a first output line to output the finger touch driving signal or the pen touch driving signal;
a seventh switch circuit, one end of which is electrically connected with a VCOM input line through which a common electrode voltage is inputted and another end of which is electrically connected with the first output line;
a second amplifier outputting the second modulation voltage; and
an eighth switch circuit, one end of which is electrically connected with an output side of the second amplifier and another end of which is electrically connected with the first output line.