Patent ID: 11861086
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. A driving circuit board for a touch display panel, comprising:
a data driving circuit;
a touch detection circuit;
a plurality of first contact pads;
a plurality of first selection switches connected to the plurality of first contact pads in an one-to-one correspondence manner;
a plurality of first dummy selection switches and a plurality of first data contact pads, wherein each first dummy selection switch has a same structure as each first selection switch;
wherein each first selection switch is electrically connected to one first contact pad, the touch detection circuit and the data driving circuit, and the first selection switch is configured to receive a first control signal and, according to the first control signal, electrically connect the first contact pad and the data driving circuit during a first time period and electrically connect the first contact pad and the data driving circuit during a second time period, and the first time period and the second time period do not overlap,
wherein, each first dummy selection switch is electrically connected to one first data contact pad and the data driving circuit, and is configured to receive the first control signal, and according to the first control signal, electrically connect the first data contact pad and the data driving circuit.