Patent ID: 11882723
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 18:
19. The display substrate according to claim 16, wherein the gate insulating layer comprises a first sub-gate insulating layer and a second sub-gate insulating layer that are arranged in a stacked manner, and the isolation dam comprises a first inorganic layer, a second inorganic layer, a third inorganic layer, and a fourth inorganic layer that are sequentially stacked along a direction away from the base substrate; and
the first inorganic layer is arranged in a same layer as the buffer layer, the second inorganic layer is arranged in a same layer as the first sub-gate insulating layer, the third inorganic layer is arranged in a same layer as the second sub-gate insulating layer, and the fourth inorganic layer is arranged in a same layer as the interlayer dielectric layer.