US 12,239,004 B2
Display panel, packaged evaporation shadow mask, display device and preparation method
Bing Han, Shanghai (CN); and Yu Xin, Shanghai (CN)
Assigned to WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan (CN); and WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH, Shanghai (CN)
Filed by WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan (CN); and WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH, Shanghai (CN)
Filed on Jul. 15, 2021, as Appl. No. 17/376,340.
Claims priority of application No. 202110190247.4 (CN), filed on Feb. 18, 2021.
Prior Publication US 2022/0262873 A1, Aug. 18, 2022
Int. Cl. H10K 59/88 (2023.01); C23C 14/04 (2006.01); C23C 14/24 (2006.01); H10K 50/19 (2023.01); H10K 71/00 (2023.01); H10K 71/16 (2023.01); H01L 21/68 (2006.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01)
CPC H10K 59/88 (2023.02) [C23C 14/042 (2013.01); C23C 14/24 (2013.01); H10K 50/19 (2023.02); H10K 71/00 (2023.02); H10K 71/164 (2023.02); H10K 71/166 (2023.02); H01L 21/68 (2013.01); H01L 21/682 (2013.01); H10K 59/121 (2023.02); H10K 59/122 (2023.02)] 28 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a display area, wherein the display area comprises a plurality of first sub-pixel minimum repeating units; the plurality of first sub-pixel minimum repeating units are sequentially and periodically arranged in a first direction, and in the first direction, a center distance between any two adjacent ones of the plurality of first sub-pixel minimum repeating units is d1; each of the plurality of first sub-pixel minimum repeating units comprises at least one first sub-pixel; and
a non-display area located at a periphery of the display area, wherein the non-display area comprises a first offset mark group and a second offset mark group, the first offset mark group comprises a first offset mark A1, and the second offset mark group comprises a second offset mark A2; the first offset mark A1 and the second offset mark A2 are arranged in the first direction, and a center distance L1 between the first offset mark A1 and the second offset mark A2 satisfies: L1=m×d1±t1, wherein t1 is a first preset offset value, and m is an integer greater than or equal to 1.