| 主权项 |
1. A carbazole derivative represented by the following Formula (1): wherein, in the above Formula (1), substituted positions of a dibenzoheterole ring in two carbazole rings are different from each other, X is O, S, SiR11R12, or GeR13R14, R1 to R14 are independently a substituent selected from hydrogen, deuterium, halogen, a substituted or unsubstituted silyl group, a substituted or unsubstituted C1 to C15 alkyl group, a substituted or unsubstituted C6 to C30 aryl group and a substituted or unsubstituted C1 to C30 heteroaryl group, or a substituted or unsubstituted aryl group or heteroaryl group formed by condensing at least two optional and adjacent R1 to R14, Ar1 and Ar2 are independently a substituent selected from a substituted or unsubstituted C1 to C15 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, and a substituted or unsubstituted C1 to C30 heteroaryl group, and a and b are independently an integer from 0 to 3. |
