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|1. (WO2018166375) SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY PANEL|
|Applicants:||BOE TECHNOLOGY GROUP CO., LTD.
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
|Title:||SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY PANEL|
A substrate and a preparation method therefor, and a display panel. The substrate comprises a base substrate (50) and has a plurality of units (80); a cutting region is provided between at least two adjacent units (80); the substrate further comprises a first protrusion part (51), provided on the base substrate (50) and within the cutting region; and the position of the first protrusion part (51) corresponds to the position of an exposing clearance control window (611) provided on a mask (61) which is used during exposure of the substrate.