Patent ID: 11864426
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 10:
11. A manufacturing method of an array substrate, comprising:
forming a photo spacer (PS) on a base substrate, the PS comprising a plurality of protrusions protruded in a direction away from the base substrate and a first recess located between adjacent protrusions; and
aligning the base substrate with a first fine metal mask (FMM), and forming a first light-emitting functional portion on the base substrate by using an evaporation process, wherein
the first FMM comprises a first rib and a first through hole enclosed by a first side surface of the first rib, and the first rib has a first surface and a first ridged edge, the first surface of the first rib contacts the PS during the evaporation process, and the first ridged edge is located between and connects the first side surface and the first surface; and
in forming the first light-emitting functional portion, an orthographic projection of a portion of a first ridged edge of the first rib on the base substrate falls within an orthographic projection of the first recess on the base substrate.