Patent ID: 8962160
Filing Date: 2015-02-24
Classification: C07C,C09K,H01L,Y10S

Abstract:
1. A organic EL material with a general formula(A) as following: Wherein m represent an integer of 0 to 4, R 1 and R 2 are identical or different, R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 30 carbon atoms, R 3 and R 4 are identical or different, R 3 and R 4 are independently selected from the group consisting of hydrogen atom, a halide, a substituted or unsubstituted arylamine, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.