Patent ID: 8318948

Claim:
A fluorene derivative represented by Formula 1: wherein R1 is a group of Formula 2: R2 is a group of Formula 3: wherein R3 and R4 are each independently a C 6 to C 30 aryl group which is substituted or unsubstituted by one or more groups selected from the group consisting of a C 6 to C 30 aryl group and a C 5 to C 30 heteroaryl group; or a C 5 to C 30 aliphatic heterocyclic group or a aromatic heterocyclic group which is substituted or unsubstituted by one or more groups selected from the group consisting of a C 6 to C 30 aryl group and a C 5 to C 30 heteroaryl group, and are bonded to each other to form a condensation ring group of an aryl group, a heteroaryl group, or an aliphatic group, X is —N—Ar11, an oxygen atom, or a sulfur atom, and Ar11 is a C 1 to C 30 alkyl group, a C 6 to C 30 aryl group, or a C 5 to C 30 heteroaryl group, L1 is a direct bond, or selected from the group consisting of a C 6 to C 30 arylene group and a C 5 to C 30 heteroarylene group, and Ar1, Ar2, Ar3, Ar4, Ar5, Ar6 and Ar7 are the same or different, are each independently hydrogen; halogen; an amino group; a nitrile group; a nitro group; a C 1 to C 30 alkyl group; a C 2 to C 40 alkenyl group; a C 6 to C 30 aryl group which is substituted or unsubstituted by one or more groups selected from the group consisting of halogen, an amino group, a nitrile group, a nitro group, a C 1 to C 30 alkyl group, a C 2 to C 40 alkenyl group, a C 1 to C 40 alkoxy group, a C 3 to C 30 cycloalkyl group, a C 3 to C 30 heterocycloalkyl group, a C 6 to C 30 aryl group, and a C 5 to C 30 heteroaryl group; a C 5 to C 30 heterocyclic group which is substituted or unsubstituted by one or more groups selected from the group consisting of halogen, an amino group, a nitrile group, a nitro group, a C 1 to C 30 alkyl group, a C 2 to C 40 alkenyl group, a C 1 to C 40 alkoxy group, a C 3 to C 30 cycloalkyl group, a C 3 to C 30 heterocycloalkyl group, a C 6 to C 30 aryl group, and a C 5 to C 30 heteroaryl group; a C 6 to C 30 arylamino group which is substituted or unsubstituted by one or more groups selected from the group consisting of halogen, an amino group, a nitrile group, a nitro group, a C 1 to C 30 alkyl group, a C 2 to C 40 alkenyl group, a C 1 to C 40 alkoxy group, a C 3 to C 30 cycloalkyl group, a C 3 to C 30 heterocycloalkyl group, a C 6 to C 30 aryl group, and a C 5 to C 30 heteroaryl group; or a C 5 to C 30 heteroarylamino group which is substituted or unsubstituted by one or more groups selected from the group consisting of halogen, an amino group, a nitrile group, a nitro group, a C 1 to C 30 alkyl group, a C 2 to C 40 alkenyl group, a C 1 to C 40 alkoxy group, a C 3 to C 30 cycloalkyl group, a C 3 to C 30 heterocycloalkyl group, a C 6 to C 30 aryl group, and a C 5 to C 30 heteroaryl group.