DISPLAY SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY APPARATUS

WIPO Patent Application WO/2023/050066

A1

A display substrate and a preparation method therefor, and a display apparatus. The display substrate comprises an opening area and an isolation area, which is arranged around the opening area, wherein the isolation area comprises: a first flexible base and at least one isolation slot, which is arranged on a side of the first flexible base. Each isolation slot consists of a first inorganic film layer, an organic film layer and a second inorganic film layer, which are arranged in a stacked manner, wherein the first inorganic film layer is arranged close to the first flexible base, and has a first end face that faces the opening area; the organic film layer is arranged on the side of the first inorganic film layer that faces away from the first flexible base, and has a second end face that faces the opening area; and the second inorganic film layer is arranged on the side of the organic film layer that faces away from the first flexible base, and has a third end face that faces the opening area, the second end face retracting in the direction away from the opening area with respect to the first end face and the third end face, and the surfaces of the first inorganic film layer and the second inorganic film layer that are opposite each other and the second end face forming an isolation slot.

ZHANG ZIYU (CN)
SUN TAO (CN)
QIN CHENGJIE (CN)
WANG PINFAN (CN)

PCT/CN2021/121357

April 06, 2023

September 28, 2021

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BOE TECHNOLOGY GROUP CO LTD (CN)

H01L51/56; H01L51/52

CN111755627A	2020-10-09
CN111564482A	2020-08-21
CN112038389A	2020-12-04
CN110504291A	2019-11-26

BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)

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