Patent ID: 7932463

Claim:
A compound of the following formula 1: wherein X and Y are each respectively or simultaneously C or Si; R1 to R4 are each respectively or simultaneously selected from the group consisting of a hydrogen atom, a substituted or unsubstituted straight or branched alkyl group, a substituted or unsubstituted straight or branched alkoxy group, a substituted or unsubstituted straight or branched thioalkoxy group, a substituted or unsubstituted straight or branched alkenyl group, a substituted or unsubstituted straight or branched alkynyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted amino group, a nitrile group, a nitro group, a halogen group, a substituted or unsubstituted amide group, a substituted or unsubstituted imide group and a substituted or unsubstituted ester group wherein they may form an aliphatic, aromatic or hetero aromatic fused ring or a Spiro bond, together with the adjacent group; and R5 to R16 are each respectively or simultaneously selected from the group consisting of a hydrogen atom, a substituted or unsubstituted straight or branched alkyl group, a substituted or unsubstituted straight or branched alkoxy group, a substituted or unsubstituted straight or branched thioalkoxy group, a substituted or unsubstituted straight or branched alkenyl group, a substituted or unsubstituted straight or branched alkynyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted amino group, a nitrile group, a nitro group, a sulfonyl group, a halogen group, a substituted or unsubstituted amide group, a substituted or unsubstituted imide group, a substituted or unsubstituted ester group, wherein R5 and R6 may be directly linked with the adjacent group, respectively and R5 to R16 may form an aliphatic, aromatic or hetero aromatic fused ring, together with the adjacent group.