Patent ID: 7252894

Claim:
An anthracene compound having formula (I) wherein R 1 , and R 2 , are each individually an unsubstituted or substituted aryl group having 6 to 20 carbon atoms, an unsubstituted or substituted heteroaryl group having 6 to 20 carbon atoms, wherein the substituent is C 1-10 alkyl, C 1-10 alkoxy, or halogen; and R 5 , and R 6 are each individually an unsubstituted or substituted phenyl group, an unsubstituted or substituted heteroaryl group having 6 to 20 carbon atoms, or an unsubstituted or substituted alkyl group having 1 to 12 carbon atoms, wherein the substituent is C 1-10 alkyl, C 1-10 alkoxy, or halogen.