Patent ID: 8026514

Claim:
A diamine derivative represented by any one of the following Formulae 2, 3, 5 and 6: wherein at least one of L1 and L2 of Formulae 2, 3, 5 and 6 is a C 6 ˜C 20 arylene group unsubstituted or substituted with one or more groups selected from the group consisting of a C 1 ˜C 20 alkyl group, a C 2 ˜C 20 alkenyl group, a C 2 ˜C 20 alkynyl group, a C 3 ˜C 20 cycloalkyl group, a C 2 ˜C 20 heterocycloalkyl group, a C 6 ˜C 20 aryl group and a C 5 ˜C 20 heteroaryl group; or a C 5 ˜C 20 heteroarylene group unsubstituted or substituted with one or more groups selected from the group consisting of a C 1 ˜C 20 alkyl group, a C 2 ˜C 20 alkenyl group, a C 2 ˜C 20 alkynyl group, a C 3 ˜C 20 cycloalkyl group, a C 2 ˜C 20 heterocycloalkyl group, a C 6 ˜C 20 aryl group and a C 5 ˜C 20 heteroaryl group, the rest is a direct bond; a C 6 ˜C 10 arylene group unsubstituted or substituted with one or more groups selected from the group consisting of a C 1 ˜C 10 alkyl group, a C 2 ˜C 20 alkenyl group, a C 2 ˜C 20 alkynyl group, a C 2 ˜C 20 cycloalkyl group, a C 2 -˜C 20 heterocycloalkyl group, a C 6 ˜C 20 aryl group and a C 5 ˜C 20 heteroaryl group; or a C 5 ˜C 20 heteroarylene group unsubstituted or substituted with one or more groups selected from the group consisting of a C 1 ˜C 20 alkyl group, a C 2 ˜C 20 alkenyl group, a C 2 ˜C 20 alkynyl group, a C 3 ˜C 10 cycloalkyl group, a C 2 ˜C 20 heterocycloalkyl group, a C 6 ˜C 20 aryl group and a C 5 ˜C 20 heteroaryl group; and Ar1, Ar2, Ar3 and Ar4 are same or different from each other, and are each independently hydrogen, a C 6 ˜C 20 aryl group unsubstituted or substituted with halogen, CN, NO 2 , a C 1 ˜C 20 alkyl group, a C 1 ˜C 20 alkoxy group, a C 6 ˜C 20 aryl group, a C 5 ˜C 20 heteroaryl group, a C 6 ˜C 20 aryl amine group, a C 6 ˜C 20 aryl thiophene group, a C 3 ˜C 20 cycloalkyl group, —OR, —SR, —SeR, —TeR, —BRR′, —AlRR′, —SiRR′R″, —GeRR′R″, or —SnRR′R″; a C 5 ˜C 20 heterocyclic group comprising O, N or S; or a condensed ring formed by fusing a C 5 ˜C 20 alkylene group with a C 6 ˜C 20 aryl group, wherein R, R′, and R″ are same or different from each other, and are each independently hydrogen, a C 1 ˜C 20 alkyl group, a C 3 ˜C 20 cycloalkyl group, a C 6 ˜C 20 aryl group or a C 5 ˜C 20 heterocyclic group.