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

Claim 18:
19. The method according to claim 18, wherein, the stopper pattern comprises a first stopper pattern and a second stopper pattern; the inorganic layer structure comprises a first inorganic layer, a second inorganic layer and a third inorganic layer sequentially stacked in the direction away from the base substrate, the first stopper pattern is located between the first inorganic layer and the second inorganic layer, and the second stopper pattern is located between the second inorganic layer and the third inorganic layer; the driver circuit layer comprises a transistor structure and a capacitor structure, 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, the capacitor structure comprises a first electrode plate and a second electrode plate arranged oppositely in a direction perpendicular to the base substrate, the first electrode plate and the gate electrode are arranged in a same layer and made of a same material, the second electrode plate is located between the first electrode plate and the source-drain electrode layer; the first inorganic layer extends between the active layer and the gate electrode to act as a first gate insulation layer, the second inorganic layer extends between the gate electrode and the second electrode plate to act as a second gate insulation layer, and the third inorganic layer extends between the second electrode plate and the source-drain electrode layer to act as an interlayer dielectric layer;
the step of manufacturing an inorganic layer structure and at least one first barrier structure on the base substrate in the separation region comprises:
forming the first stopper pattern and the gate electrode simultaneously in a single patterning process;
forming the second stopper pattern and the second electrode plate simultaneously in a single patterning process.