Patent ID: 11961477
Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. The pixel driving circuit according to claim 15, wherein:
the data writing unit includes a seventh transistor, wherein a first end and a second end of the seventh transistor are connected in series between a data signal terminal and the second node, and a control terminal of the seventh transistor is connected to a fourth control signal terminal; or
the data writing unit includes an eighth transistor, a ninth transistor, and a third capacitor, wherein:
a first end of the eighth transistor is connected to a data signal terminal, a second end of the eighth transistor is connected to a first end of the third capacitor, a second end of the third capacitor is connected to the first node, and a control terminal of the eighth transistor is connected to a fourth control signal terminal, and
a first end and a second end of the ninth transistor are connected in series between an initialization signal terminal and the second end of the eighth transistor, and a control terminal of the ninth transistor is connected to the second output terminal of the light-emitting control circuit.