Patent ID: 7919196

Claim:
A compound represented by the following formula 1: wherein R 1 to R 6 may be identical to or different from each other, and at least one thereof is represented by the following formula 2: wherein n and p are each integers of 1 to 10, and q and r are each integers of 0 to 10, L 1 is a direct bond, a phenyl, a naphthyal, or a substituted or unsubstituted C 5 to C 20 heterocyclic group, L 2 is a C 5 to C 20 aryl group, and R 1 to R 6 , which are not represented by the formula 2, in the formula 1, and R 7 and R 8 in the formula 2 are each independently the identical or different substituents, and each selected from the group consisting of hydrogen; halogen; hydroxyl; mercapto; cyano; nitro; carbonyl; carboxyl; formyl; substituted or unsubstituted C 1 -C 20 alkyl; substituted or unsubstituted C 2 -C 10 alkenyl; substituted or unsubstituted C 2 -C 7 alkynyl; substituted or unsubstituted phenyl; substituted or unsubstituted naphthyl; substituted or unsubstituted biphenyl; substituted or unsubstituted terphenyl; substituted or unsubstituted double spiro; substituted or unsubstituted tetracenyl; substituted or unsubstituted pyrenyl; substituted or unsubstituted perylenyl; substituted or unsubstituted heteroaryl; substituted or unsubstituted C 3 -C 7 cycloalkyl in which a carbon atom in the ring may be substituted by an oxygen, nitrogen, or sulfur atom; C 4 -C 7 cycloalkenyl in which a carbon atom in the ring may be substituted by an oxygen, nitrogen, or sulfur atom; substituted or unsubstituted C 1 -C 20 alkoxy; substituted or unsubstituted C 2 -C 10 alkenyloxy; substituted or unsubstituted C 2 -C 7 alkynyloxy; substituted or unsubstituted aryloxy; substituted or unsubstituted C 1 -C 20 alkylamine; substituted or unsubstituted C 2 -C 10 alkenylamine; substituted or unsubstituted C 2 -C 7 alkynylamine; substituted or unsubstituted arylamine; substituted or unsubstituted alkylarylamine; substituted or unsubstituted C 1 -C 20 alkylsilyl; substituted or unsubstituted C 2 -C 10 alkenylsilyl; substituted or unsubstituted C 2 -C 7 alkynylsilyl; substituted or unsubstituted arylsilyl; substituted or unsubstituted alkylarylsilyl; substituted or unsubstituted C 1 -C 20 alkylboranyl; substituted or unsubstituted C 2 -C 10 alkenylboranyl; substituted or unsubstituted C 2 -C 7 alkynylboranyl; substituted or unsubstituted arylboranyl; substituted or unsubstituted alkylarylboranyl; substituted or unsubstituted C 1 -C 20 alkylthio; substituted or unsubstituted C 2 -C 10 alkenylthio; substituted or unsubstituted C 2 -C 7 alkynylthio; and substituted or unsubstituted arylthio groups.