Patent ID: 11900875
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The display substrate according to claim 3, wherein the light-emitting structure layer comprises: a first electrode layer, a pixel defining layer, a light-emitting layer, and a second electrode layer that are sequentially stacked on the drive structure layer; the first electrode layer comprises: multiple first electrodes, the light-emitting layer comprises: multiple organic light-emitting layers, the second electrode layer comprises: multiple second electrodes, and each light-emitting structure comprises: a first electrode, an organic light-emitting layer, and a second electrode;
for each pixel circuit, an orthographic projection of the second electrode of the sixth pixel transistor on the substrate and an orthographic projection of the first electrode in the light-emitting structure connected to the pixel circuit on the substrate have no overlap; and
the drive structure layer further comprises: a connection electrode, wherein the connection electrode is located between the pixel circuit and the light-emitting structure, and is electrically connected to the second electrode of the sixth pixel transistor in the pixel circuit and the first electrode in the light-emitting structure, respectively;
wherein the connection electrode comprises: a first connecting portion and a second connecting portion;
the first connecting portion is arranged on a side, close to the substrate, of the second connecting portion, the first connecting portion is electrically connected to the second electrode of the sixth pixel transistor in the pixel circuit and the second connecting portion, respectively, and the second connecting portion is electrically connected to the first electrode in the light-emitting structure; and
the first connecting portion and the second connecting portion are of an integrated structure, or, the first connecting portion is a metal electrode, and the second connecting portion is a transparent electrode.