Patent ID: 11972734
Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 18:
19. The display device of claim 18, wherein the control circuit is configured to generate a plurality of first control signal and a plurality of second control signal, and each of the voltage switching circuits comprises:
a first switching transistor, wherein a gate of the first switching transistor is electrically connected to the control circuit, a source and a drain of the first switching transistor are electrically connected between the direct current converter and a common node corresponding to the voltage switching circuit, and the first switching transistor is configured to output the first voltage to the common node based on corresponding one of the first control signals; and
a second switching transistor, wherein a gate of the second switching transistor is electrically connected to the control circuit, a source and a drain of the second switching transistor are electrically connected between the ground circuit and the common node corresponding to the voltage switching circuit, and the second switching transistor is configured to output the second voltage to the common node based on corresponding one of the second control signals.