| abstract |
The present invention provides an organic compound whose general structural formula is A-B-A, wherein B is a substituted or unsubstituted C 6 -C 60 arylene group; A has the structure shown in formula I or formula II: in, Connected to any two adjacent C on the benzene ring, R 1 and R 2 are respectively connected to the other two C, X is C, N, Si, S or O, when X is O or S, omit R 11 and R 12 ; when X is N, R 12 is omitted. The organic compound can be applied in electronic devices, especially organic electroluminescent devices, and can significantly improve the performance of electronic devices. |