Patent ID: 7619246

Claim:
An organic light emitting compound represented by Formula 1: where Ar is naphthalene; X is O, and S; R 1 and R 2 are hydrogen, a halogen, a substituted or unsubstituted C 1 -C 12 alkyl group, or a substituted or unsubstituted C 6 -C 26 aryl group; R 3 , R 4 , R 5 , R 6 , R 7 and R 8 are each independently hydrogen or a substituted or unsubstituted C 1 -C 12 alkyl group; and R 9 through R 22 are each independently selected from the group consisting of hydrogen, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted C 1 -C 30 alkoxy group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 6 -C 30 arylalkyl group, a substituted or unsubstituted C 6 -C 30 aryloxy group, a substituted or unsubstituted C 5 -C 30 heteroaryl group, a substituted or unsubstituted C 5 -C 30 heteroarylalkyl group, a substituted or unsubstituted C 5 -C 30 heteroaryloxy group, a substituted or unsubstituted C 5 -C 20 cycloalkyl group, and a substituted or unsubstituted C 5 -C 30 heterocycloalkyl group.