Patent ID: 11948511
Assignee: HKC CORPORATION LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. The pixel driving circuit according to claim 15, wherein the control module further comprises: a first voltage comparison unit and an or-gate circuit;
a first input end of the first voltage comparison unit is connected to the light-emitting unit, a second input end of the first voltage comparison unit is configured to allow a reference voltage to be input to the first voltage comparison unit, an output end of the first voltage comparison unit is connected to a first input end of the or-gate circuit;
an output end of the second voltage comparison unit is connected to a second input end of the or-gate circuit, an output end of the or-gate circuit is connected to the control end of the switching unit; and when the high voltage level signal is input to at least one of the first input end and the second input end of the or-gate circuit, the output end of the or-gate circuit outputs the high voltage level signal.