Patent ID: 11972727
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 0:
1. A display substrate, comprising:
a base substrate; and
a plurality of sub-pixels, distributed in an array on the base substrate; wherein
each of the plurality of sub-pixels comprises a pixel circuit, the pixel circuit is configured to drive a light-emitting element corresponding to each of the plurality of sub-pixels, the plurality of sub-pixels are arranged in a plurality of pixel rows along a first direction and a plurality of pixel columns along a second direction, and the first direction is different from the second direction;
each pixel circuit comprises a driving sub-circuit, the driving sub-circuit comprises a control electrode, and the driving sub-circuit is configured to control a driving current for driving the corresponding light-emitting element according to a voltage on the control electrode;
each of the plurality of sub-pixels further comprises a pixel electrode which is electrically connected with the pixel circuit;
for each of the plurality of sub-pixels, the pixel electrode comprises an main electrode part and a first electrode extension part extending from the main electrode part, the main electrode part is configured to drive an organic functional layer of the light-emitting element corresponding to the sub-pixel to emit light, the first electrode extension part is electrically connected with the pixel circuit of the sub-pixel through a first via hole;
the plurality of sub-pixels comprise first type of sub-pixels, and for each sub-pixel in the first type of sub-pixels, in a direction perpendicular to the base substrate, the main electrode part of the pixel electrode of the each sub-pixel is not overlapped with the control electrode of the driving sub-circuit of the pixel circuit of the each sub-pixel or is not overlapped with an electrode part directly electrically connected with the control electrode, and the first electrode extension part of the pixel electrode of the each sub-pixel is at least partially overlapped with the control electrode of the driving sub-circuit of the pixel circuit of the each sub-pixel or at least partially overlapped with the electrode part; and
the first type of sub-pixels at least comprise two sub-pixels configured to emit light of different colors.