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

Claim 9:
10. The display panel according to claim 9, wherein the first voltage comparison unit comprises: a first diode and a first voltage comparator, the switching unit comprises a first transistor, and the first transistor is a P-type transistor;
an anode of the first diode is connected to the light-emitting unit, a cathode of the first diode is connected to an in-phase input end of the first voltage comparator, an invert-phase input end of the first voltage comparator is configured to allow the reference voltage to be input to the first voltage comparator, an output end of the first voltage comparator is connected to a control end of the switching unit; and
a first pole of the first transistor is configured to allow the power supply voltage to be input to the first transistor, a second pole of the first transistor is connected to the first pole of the driving transistor.