US 11,806,771 B2
Manufacturing method of mask plate
Chengyuan Luo, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on Jun. 17, 2019, as Appl. No. 16/443,019.
Claims priority of application No. 201811151706.2 (CN), filed on Sep. 29, 2018.
Prior Publication US 2020/0101513 A1, Apr. 2, 2020
Int. Cl. B21D 11/02 (2006.01); C23C 14/04 (2006.01); B29C 70/74 (2006.01); B29K 705/00 (2006.01); H10K 71/00 (2023.01); H10K 71/16 (2023.01)
CPC B21D 11/02 (2013.01) [B29C 70/74 (2013.01); C23C 14/042 (2013.01); B29K 2705/00 (2013.01); B29K 2905/00 (2013.01); H10K 71/00 (2023.02); H10K 71/166 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A manufacturing method of a mask plate, comprising:
embedding a shaping mold in a mask region of a mask sheet;
fixing the mask sheet with the shaping mold;
performing a stretching process on the mask sheet fixed with the shaping mold; and
separating the mask sheet from the shaping mold to form the mask plate.