Patent ID: 7348073

Claim:
A spiro compound represented by Formula 2: wherein X is C, S, or Si; each of R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , and R 12 is independently selected from the group consisting of H, a halogen atom, a hydroxy group, a substituted or unsubstituted amino group, a cyano group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C3-C20 cycloalkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 arylalkyl group, and a substituted or unsubstituted C2-C30 heteroaryl group; at least two adjacent substituents selected from R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 and at least one of R 9 , R 10 , R 11 and R 12 are optionally connected to one another to form a saturated or unsaturated ring; Ar is a substituted or unsubstituted C6-C30 arylene group, a substituted or unsubstituted C2-C30 heteroarylene group, or a substituted or unsubstituted C2-C30 heterocycle group; m is an integer ranging from 2 to 5,000; n is a real number ranging from 0.01 to 1.0.