Patent ID: 8143781

Claim:
An organic electroluminescent compound represented by the following formula 1 Wherein, A and B are independently chemical bonds or C 6 -C 30 arylene; Ar 1 and Ar 2 are independently C 6 -C 30 aryls; Ar 3 -Ar 9 are independently H, C 1 -C 20 straight or branched alkyl or alkoxy, C 6 -C 30 aryl or heteroaryl, or halogen; R 1 and R 2 are independently H, C 1 -C 20 straight or branched alkyl, or C 6 -C 30 aryl, and R 1 and R 2 can form a spiro ring by alkylene or fusion ring alkylene; Ar 10 is H, C 1 -C 20 straight or branched alkyl, C 6 -C 30 aryl or halogen; and The said arylene, aryl, heteroaryl, alkyl, and alkoxy can be substituted with C 1 -C 20 straight or branched alkyl, diarylamino or halogen.