Patent ID: 7282586
Filing Date: 2007-10-16
Classification: C07D,H01L,Y10S

Abstract:
1. A dipyridine-based compound with a general formula as following: wherein R 1 and R 2 are identical or different, and R 1 and R 2 are independently selected from the group consisting of: hydrogen atom, aryl group, pyridine group, and oxadiazole group, A is selected from the following group: wherein R 3 and R 4 are identical or different, R 5 and R 6 are identical or different, R 7 and R 8 are identical or different, R 3 , R 4 , R 7 , R 8 are independently selected from the group consisting of: alkyl group and aryl group, and R 5 , R 6 are independently selected from the group consisting of: alkyl group, aryl group and arylamine group.