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 12:
13. A display panel, comprising:
a plurality of driving circuits arranged by array, wherein each of the driving circuits comprises a driving module, the driving module comprises 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
a plurality of additional modules, wherein each of the additional circuits is electrically connected to the plurality of drive circuits corresponding to a column, each of the additional circuits comprises a first additional module, a second additional module, and a signal module;
wherein the first additional module comprises a second odd-transistor, one of a source and a drain of the second odd-transistor is electrically connected to the connection node of the driving circuit in an odd row and a gate of the second odd-transistor, and a threshold voltage of the second odd-transistor is the same as a threshold voltage of the first transistor of the driving circuit in the odd row;
wherein the second additional module comprises a second even-transistor, one of a source and a drain of the second even-transistor is electrically connected to the connection node of the driving circuit in an even row and a gate of the second even-transistor, and a threshold voltage of the second even-transistor is the same as a threshold voltage of the first transistor of the driving circuit in the even row; and
wherein the signal module comprises a fifth-odd-transistor and a fifth-even-transistor, a source and a drain of the fifth-odd-transistor are electrically between one of the source and the drain of the second odd-transistor and the first signal line, a source and a drain of the fifth even-transistor are electrically connected between one of the source and the drain of the second even-transistor and the first signal line, a gate of the fifth odd-transistor is electrically connected to a second signal line, and the gate of the fifth even-transistor is electrically connected to a third signal line.