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

Claim 8:
9. The pixel driving circuit according to claim 1, wherein
the current leakage suppression sub-circuit is coupled to the second node, so that the current leakage suppression sub-circuit is coupled to the energy storage sub-circuit through the second node;
the reset sub-circuit and the compensation sub-circuit are both directly coupled to the second node;
the current leakage suppression sub-circuit, the compensation sub-circuit and the reset sub-circuit are further coupled to a sixth node;
the current leakage suppression sub-circuit is further coupled to a third scan timing signal terminal and a constant voltage signal terminal; the constant voltage signal terminal is configured to provide a constant voltage signal;
the current leakage suppression sub-circuit is configured to: be charged due to actions of voltages of the sixth node and a constant voltage signal from the constant voltage signal terminal; and keep the voltage of the sixth node equal to the voltage of the second node in response to a third scanning timing signal received at the third scanning timing signal terminal, so as to suppress current leakage of the second node.