Patent ID: 8298684

Claim:
A compound represented by Formula 1 or 2 below: wherein Ar 1 , Ar 2 and Ar 3 are each independently a substituted or unsubstituted C 6 -C 20 aryl group, a substituted or unsubstituted C 6 -C 20 aryloxy group, or a substituted or unsubstituted C 4 -C 20 polycyclic condensed ring, and R 1 , R 2 and R 3 are each independently a hydrogen atom, a substituted or unsubstituted C 1 -C 10 alkyl group, a substituted or unsubstituted C 1 -C 10 alkoxy group, a fluorine atom, a cyano group, or an amine group, wherein two or more of R 1 , R 2 , and R 3 can be bound with one another to form a saturated or unsaturated carbon ring.