Patent ID: 11961467
Assignee: HKC CORPORATION LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 14:
15. The control chip according to claim 14, wherein the first control subcircuit comprises a comparator, a data flip-flop, an inverter, a first metal oxide semiconductor field effect transistor (MOSFET) and a second metal oxide semiconductor field effect transistor;
wherein a non-inverting input of the comparator is connected with the second electrode of the second thin film transistor, an inverting input of the comparator is grounded, an output of the comparator is connected with the control electrode of the third thin film transistor; a clock signal receiving terminal of the D flip-flop is connected with the output of the comparator, a data signal input of the D flip-flop is connected with an output of the inverter, a non-inverting signal output of the D flip-flop is connected with an input of the inverter, a control electrode of the first metal oxide semiconductor field effect transistor, and a control electrode of the second metal oxide semiconductor field effect transistor respectively, a second electrode of the first metal oxide semiconductor field effect transistor and a second electrode of the second metal oxide semiconductor field effect transistor are connected with the second control subcircuit, respectively.