Patent ID: 7858209

Claim:
A fluorene-based compound represented by Formula 1 below: where L is selected from the group consisting of a substituted or unsubstituted C 2 ˜C 30 alkylene group, a substituted or unsubstituted C 6 ˜C 30 cycloalkylene group, a substituted or unsubstituted C 6 ˜C 30 arylene group, a substituted or unsubstituted C 2 ˜C 30 heteroarylene group, and a substituted or unsubstituted C 2 ˜C 30 alkenylene group; k is an integer from 0 to 2, j is an integer from 0 to 2, X is where R 3 and R 4 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a substituted or unsubstituted C 1 ˜C 20 alkyl group, a substituted or unsubstituted C 3 ˜C 20 cycloalkyl group, a substituted or unsubstituted C 5 ˜C 30 heterocycloalkyl group, a substituted or unsubstituted C 1 ˜C 20 alkoxy group, a substituted or unsubstituted C 6 ˜C 30 aryl group, a substituted or unsubstituted C 6 ˜C 30 aralkyl group, and a substituted or unsubstituted C 2 ˜C 30 heteroaryl group; m is an integer from 1 to 3, R 5 and R 6 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a substituted or unsubstituted C 1 ˜C 20 alkyl group, a substituted or unsubstituted C 3 ˜C 20 cycloalkyl group, a substituted or unsubstituted C 5 C 30 heterocycloalkyl group, a substituted or unsubstituted C 1 ˜C 20 alkoxy group, a substituted or unsubstituted C 6 ˜C 30 aryl group, a substituted or unsubstituted C 6 ˜C 30 aralkyl group, and a substituted or unsubstituted C 2 ˜C 30 heteroaryl group; r 1 , r 2 , r 3 , r 4 , r 5 and r 6 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a substituted or unsubstituted C 1 ˜C 20 alkyl group, a substituted or unsubstituted C 3 ˜C 20 cycloalkyl group, a substituted or unsubstituted C 5 ˜C 30 heterocycloalkyl group, a substituted or unsubstituted C 1 ˜C 20 alkoxy group, a substituted or unsubstituted C 6 ˜C 30 aryl group, a substituted or unsubstituted C 6 ˜C 30 aralkyl group, and a substituted or unsubstituted C 2 ˜C 30 heteroaryl group.