Patent ID: 11864413
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 8:
9. The display substrate according to claim 8, wherein, the pixel region is further provided with a transistor structure between the base substrate and the light emission function layer, the transistor structure comprises an active layer, a gate electrode and a source-drain electrode layer sequentially stacked in the direction away from the base substrate, the source-drain electrode layer comprises a source electrode and a drain electrode arranged in a same layer and made of a same material, and both the source electrode and the drain electrode comprise a first metal sub-film layer, a second metal sub-film layer and a third metal sub-film layer sequentially stacked in the direction away from the base substrate;
the first function pattern and the first metal sub-film layer are arranged in a same layer and made of a same material, the second function pattern and the second metal sub-film layer are arranged in a same layer and made of a same material, the third function pattern and the third metal sub-film layer are arranged in a same layer and made of a same material; and/or,
the fourth function pattern and the first metal sub-film layer are arranged in a same layer and made of a same material, the fifth function pattern and the second metal sub-film layer are arranged in a same layer and made of a same material, the sixth function pattern and the third metal sub-film layer are arranged in a same layer and made of a same material.