Patent ID: 11900880
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 14:
15. The display substrate of claim 14, wherein the switching transistor comprises the active layer, a gate, a source, and a drain;
the gate of the switching transistor is electrically connected to the scan signal line, the source of the switching transistor is electrically connected to a data signal line, and the drain of the switching transistor is electrically connected to the source of the driving transistor; and
the orthographic projection of the first electrode in the first sub-pixel located in the first display region on the base substrate covers an orthographic projection of the switching transistor of the first pixel driving circuit in the first sub-pixel on the base substrate; and/or, the orthographic projection of the first electrode in the second sub-pixel located in the first display region on the base substrate covers an orthographic projection of the switching transistor of the first pixel driving circuit in the second sub-pixel on the base substrate;
and/or, the orthographic projection of the first electrode in the third sub-pixel located in the first display region on the base substrate covers an orthographic projection of the switching transistor of the first pixel driving circuit in the third sub-pixel on the base substrate,
wherein the operation control transistor comprises an active layer, a gate, a source, and a drain;
the gate of the operation control transistor is electrically connected to a light-emitting control line, the source of the operation control transistor is electrically connected to a driving voltage line, and the drain of the operation control transistor is electrically connected to the source of the driving transistor; and
the orthographic projection of the first electrode in the first sub-pixel located in the first display region on the base substrate and an orthographic projection of the operation control transistor of the first pixel driving circuit in the first sub-pixel on the base substrate partially overlap; and/or, the orthographic projection of the first electrode in the second sub-pixel located in the first display region on the base substrate and an orthographic projection of the operation control transistor of the first pixel driving circuit in the second sub-pixel on the base substrate partially overlap, and
wherein the light-emitting control transistor comprises an active layer, a gate, a source, and a drain;
the gate of the light-emitting control transistor is electrically connected to the light-emitting control line, the source of the light-emitting control transistor is electrically connected to the drain of the driving transistor, and the drain of the light-emitting control transistor is electrically connected to the first electrode; and
the orthographic projection of the first electrode in the first sub-pixel located in the first display region on the base substrate covers an orthographic projection of the light-emitting control transistor of the first pixel driving circuit in the first sub-pixel on the base substrate; and/or, the orthographic projection of the first electrode in the second sub-pixel located in the first display region on the base substrate covers an orthographic projection of the light-emitting control transistor of the first pixel driving circuit in the second sub-pixel on the base substrate; and/or, the orthographic projection of the first electrode in the third sub-pixel located in the first display region on the base substrate covers an orthographic projection of the light-emitting control transistor of the first pixel driving circuit in the third sub-pixel on the base substrate.