US 12,405,530 B2
Photoresist and display device
Zhiwei Zhang, Jiangsu (CN)
Assigned to SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Jiangsu (CN)
Appl. No. 17/754,974
Filed by SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Jiangsu (CN)
PCT Filed Apr. 12, 2022, PCT No. PCT/CN2022/086331
§ 371(c)(1), (2) Date Apr. 18, 2022,
PCT Pub. No. WO2023/184568, PCT Pub. Date Oct. 5, 2023.
Claims priority of application No. 202210328737.0 (CN), filed on Mar. 30, 2022.
Prior Publication US 2024/0168376 A1, May 23, 2024
Int. Cl. G03F 7/004 (2006.01); G02B 1/04 (2006.01); G02F 1/1335 (2006.01); G03F 7/00 (2006.01)
CPC G03F 7/0045 (2013.01) [G02B 1/04 (2013.01); G03F 7/0007 (2013.01); G02F 1/133514 (2013.01)] 18 Claims
 
1. A photoresist, comprising:
a colorant comprising a blue pigment and a purple dye;
wherein the purple dye comprises one of a first compound or a second compound;
a structural formula of the first compound is

OG Complex Work Unit Chemistry
 wherein R1 group, R2 group, R3 group, R4 group, R5 group, and R6 group are electron withdrawing groups; and
a structural formula of the second compound is

OG Complex Work Unit Chemistry
 wherein R7 group, R8 group, R9 group, R10 group, R11 group, R12 group, R13 group, R14 group, R15 group, and R16 group are the electron withdrawing groups, and an L group is a ligand.