Patent ID: 11942033
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A driving circuit, comprising:
a driving module comprising a light-emitting device, a first transistor, and a connection transistor, wherein the light-emitting device and the first transistor are connected in series between a first voltage terminal and a second voltage terminal, and one of a source and a drain of the first transistor is electrically connected to a first signal line; the connection transistor comprises a first sub-connection transistor and a second sub-connection transistor connected in series, the first sub-connection transistor and the second sub-connection transistor have a connection node, one of a source and a drain of the first sub-connection transistor is electrically connected to a gate of the first transistor, and a gate of the first sub-connection transistor and a gate of the second sub-connection transistor are electrically connected; and
an additional module comprising a second transistor, wherein one of a source and a drain of the second transistor is electrically connected to the first signal line, and the other of the source and the drain of the second transistor is electrically connected to the connection node and a gate of the second transistor, and a threshold voltage of the second transistor is the same as a threshold voltage of the first transistor.