Patent ID: 11956988
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A display substrate, comprising:
a base substrate with an encapsulation region and an edge region on a periphery of the encapsulation region, wherein the encapsulation region comprises a display region and a peripheral region surrounding the display region, and the edge region comprises a bonding region on at least one side of the base substrate;
a plurality of stacked inorganic film layers on a side of the base substrate;
a plurality of first grooves, at the edge region, spaced apart from each other in a direction distal from the encapsulation region, and extending along a periphery of the base substrate, wherein the plurality of first grooves run through at least one inorganic film layer of the plurality of stacked inorganic film layers, and orthographic projections of the plurality of first grooves on the base substrate have a non-overlapping region with the bonding region, and distances between the plurality of first grooves and the display region are larger than distances between the plurality of first grooves and an edge of the base substrate; and
an organic layer, covering the plurality of first grooves; wherein an orthographic projection of each first groove on the base substrate is of an annular shape with an opening;
wherein the annular shape surrounds the encapsulation region, and an orthographic projection of the opening on the base substrate overlaps the bonding region; and
wherein the plurality of stacked inorganic film layers further comprise a buffer layer comprising a first buffer pattern and a second buffer pattern.