Patent ID: 8859113

Claim:
A carbazole derivative having a structure represented by the formula (1): wherein R 1 -R 10 are independently selected from the group consisting of hydrogen atom, OH, NH 2 , NO 2 , CN, C 1-6 alkoxyl group, C 1-10 alkyl group, C 1-20 fluorinated alkyl group, C 2-10 alkenyl group, C 2-10 alkynyl group, C 6-20 aryl group, C 6-20 fluorinated aryl group and C 4-20 heterocyclic aryl group, and X 1 -X 2 are each any one structure selected from the group consisting of the structures represented by the formulae (2)-(3): wherein R11-R23 are independently selected from the group consisting of hydrogen atom, OH, NH2, NO2, CN, C1-6 alkoxyl group, C1-10 alkyl group, C2-20 fluorinated alkyl group, C2-10 alkenyl group, C2-10 alkynyl group, C6-20 aryl group, C6-20 fluorinated aryl group and C4-20 heterocyclic aryl group, and X3 is any one structure selected from the group consisting of the structures represented by the formulae (5)-(7): wherein R 34 -R 37 and R 39 -R 48 are independently selected from the group consisting of hydrogen atom, OH, NH 2 , NO 2 , CN, C 1-6 alkoxyl group, C 1-10 alkyl group, C 1-20 fluorinated alkyl group, C 2-10 alkenyl group, C 2-10 alkynyl group, C 6-20 aryl group, C 6-20 fluorinated aryl group and C 4-20 heterocyclic aryl group, and R 38 is selected from the group consisting of hydrogen atom, C 1-4 alkyl group and C 6-10 aryl group.