Patent ID: 11875747
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. The pixel driving circuit according to claim 1, wherein
in a case where the reference voltage sub-circuit is coupled to the first scan timing signal terminal, the reference voltage sub-circuit is further coupled to the light-emitting timing signal terminal;
the reference voltage sub-circuit is further configured to transmit the reference voltage signal to the first node in response to the light-emitting timing signal; and
the reference voltage sub-circuit includes a ninth transistor and a tenth transistor; a control electrode of the ninth transistor is coupled to the first scan timing signal terminal, a first electrode of the ninth transistor is coupled to the reference voltage signal terminal, and a second electrode of the ninth transistor is coupled to the first node; a control electrode of the tenth transistor is coupled to the light-emitting timing signal terminal, a first electrode of the tenth transistor is coupled to the reference voltage signal terminal, and a second electrode of the tenth transistor is coupled to the first node;
in a case where the reference voltage sub-circuit is coupled to the second scan timing signal terminal,
the reference voltage sub-circuit includes an eleventh transistor; a control electrode of the eleventh transistor is coupled to the second scan timing signal terminal, a first electrode of the eleventh transistor is coupled to the reference voltage signal terminal, and a second electrode of the eleventh transistor is coupled to the first node;
the reset sub-circuit, the compensation sub-circuit, the driving sub-circuit, the data writing sub-circuit and the light-emitting control sub-circuit each include at least one transistor; and
on/off types of transistors included in the reset sub-circuit, the compensation sub-circuit, the driving sub-circuit, the data writing sub-circuit and the light-emitting control sub-circuit are each opposite to an on/off type of the eleventh transistor.