Patent ID: 7816673

Claim:
A heteroacene compound, which is represented by Formula 1 below: wherein X 1 and X 2 are each independently O, S, Se, Te, or N—R, in which R is selected from the group consisting of hydrogen, a C 1-12 alkyl group, a C 6-12 arylalkyl group, a C 6-12 aryl group, a C 1-12 alkoxy group, an acyl group, a sulfonyl group, and a carbamate group, and R 1 , R 2 , R 3 , and R 4 are each independently selected from the group consisting of hydrogen, a substituted or unsubstituted C 1-30 alkyl group, a substituted or unsubstituted C 1-30 alkenyl group, a substituted or unsubstituted C 1-30 alkynyl group, a substituted or unsubstituted C 1-30 heteroalkyl group, a substituted or unsubstituted C 6-30 arylalkyl group, a substituted or unsubstituted C 2-30 heteroarylalkyl group, a substituted or unsubstituted C 5-20 cycloalkyl group, a substituted or unsubstituted C 2-30 heterocycloalkyl group, a substituted or unsubstituted C 6-30 aryl group, and a substituted or unsubstituted C 2-30 heteroaryl group.