Patent ID: 11972725
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A display apparatus, comprising:
a plurality of pixel driving circuits;
a plurality of sensing signal lines;
an integrated circuit;
N number of sensing multiplexers, N≥2;
wherein a respective pixel driving circuit comprises a sensing sub-circuit configured to obtain a residual voltage signal at an anode of a respective light emitting element;
a respective sensing signal line is configured to transmit the residual voltage signal to the integrated circuit;
the integrated circuit is configured to compensate a data signal provided to a respective subpixel in a subsequent image display phase based on a residual voltage difference between a value of the residual voltage signal and a reference residual voltage value;
the N number of sensing multiplexers are configured to be time-sequentially turned on to allow transmission of residual voltage signals respectively from a plurality of columns of subpixels to the integrated circuit respectively through a plurality of sensing signal lines;
the N number of sensing multiplexers comprise a first sensing multiplexer, a second sensing multiplexer, and a third sensing multiplexer;
the first sensing multiplexer is configured to be turned on to allow transmission of first residual voltage signals respectively from first columns of subpixels to the integrated circuit;
the second sensing multiplexer is configured to be turned on to allow transmission of second residual voltage signals respectively from second columns of subpixels and fourth residual voltage signals respectively from fourth columns of subpixels to the integrated circuit;
the third sensing multiplexer is configured to be turned on to allow transmission of third residual voltage signals respectively from third columns of subpixels to the integrated circuit;
a respective first column comprises subpixels of a first color and subpixels of a third color alternately arranged along a column direction;
a respective second column comprises subpixels of a second color;
a respective third column comprises subpixels of the third color and subpixels of the first color alternately arranged along the column direction; and
a respective fourth column comprises subpixels of the second color.