Patent ID: 11967285
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A display apparatus, comprising:
the display panel according to claim 1;
at least one current detection circuit, wherein each current detection circuit is electrically connected to at least one sensing signal line, and the current detection circuit is configured to: receive a sensing current signal from a sensing signal line of the at least one sensing signal line, integrate the sensing current signal, output a voltage drop, and calculate a value of a driving current of a driving transistor of a sub-pixel electrically connected to the sensing signal line according to the voltage drop; and
at least one set voltage follower circuit, wherein an input terminal of each set voltage follower circuit is electrically connected to the output terminal of the set voltage generation circuit, and an output terminal of each set voltage follower circuit is electrically connected to one or more current detection circuits of the at least one current detection circuit;
wherein the set voltage generation circuit is electrically connected to the sensing signal terminal of the at least one sub-pixel through the set voltage follower circuit, the one or more current detection circuits, and one or more sensing signal lines; and
the set voltage follower circuit is configured to: receive the set voltage signal output by the set voltage generation circuit, perform a filtering process on the set voltage signal, and transmit a processed set voltage signal to the at least one sub-pixel.