US 11,910,695 B2
Mask plate, display panel and display device
Wenhui Gao, Beijing (CN); Kai Zhang, Beijing (CN); Erlong Song, Beijing (CN); Lingran Wang, Beijing (CN); and Jianjie Liu, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on Aug. 19, 2021, as Appl. No. 17/406,712.
Claims priority of application No. 202011174883.X (CN), filed on Oct. 28, 2020.
Prior Publication US 2022/0131077 A1, Apr. 28, 2022
Int. Cl. H01L 51/00 (2006.01); G03F 1/32 (2012.01); H01L 27/32 (2006.01); H01L 51/56 (2006.01); H10K 71/20 (2023.01); H10K 59/123 (2023.01); H10K 71/00 (2023.01); H10K 59/124 (2023.01); H10K 59/12 (2023.01)
CPC H10K 71/233 (2023.02) [G03F 1/32 (2013.01); H10K 59/1201 (2023.02); H10K 59/123 (2023.02); H10K 59/124 (2023.02); H10K 71/00 (2023.02)] 8 Claims
OG exemplary drawing
 
1. A mask plate, comprising:
a transparent substrate; and
an opaque film layer, the opaque film layer being disposed on the transparent substrate,
wherein the opaque film layer comprises a plurality of first regions and a plurality of second regions,
wherein a first sub-region in a first region of the plurality of first regions and a second region of the plurality of second regions are transmissive, and
wherein a remaining portion in the first region is semi-transmissive, the remaining portion in the first region comprises an annular third sub-region surrounding the first sub-region from four sides and an annular fourth sub-region surrounding the third sub-region from four sides, the third sub-region is opaque, and the fourth sub-region is transmissive.