Diamine derivatives and organic electronic device using the same

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 C6˜C20 arylene group unsubstituted or substituted with one or more groups selected from the group consisting of a C1˜C20 alkyl group, a C2˜C20 alkenyl group, a C2˜C20 alkynyl group, a C3˜C20 cycloalkyl group, a C2˜C20 heterocycloalkyl group, a C6˜C20 aryl group and a C5˜C20 heteroaryl group;
• or a C5˜C20 heteroarylene group unsubstituted or substituted with one or more groups selected from the group consisting of a C1˜C20 alkyl group, a C2˜C20 alkenyl group, a C2˜C20 alkynyl group, a C3˜C20 cycloalkyl group, a C2˜C20 heterocycloalkyl group, a C6˜C20 aryl group and a C5˜C20 heteroaryl group, the rest is a direct bond;
• a C6˜C10 arylene group unsubstituted or substituted with one or more groups selected from the group consisting of a C1˜C10 alkyl group, a C2˜C20 alkenyl group, a C2˜C20 alkynyl group, a C2˜C20 cycloalkyl group, a C2-˜C20 heterocycloalkyl group, a C6˜C20 aryl group and a C5˜C20 heteroaryl group;
• or a C5˜C20 heteroarylene group unsubstituted or substituted with one or more groups selected from the group consisting of a C1˜C20 alkyl group, a C2˜C20 alkenyl group, a C2˜C20 alkynyl group, a C3˜C10 cycloalkyl group, a C2˜C20 heterocycloalkyl group, a C6˜C20 aryl group and a C5˜C20 heteroaryl group;
• and
• Ar1, Ar2, Ar3 and Ar4 are same or different from each other, and are each independently hydrogen, a C6˜C20 aryl group unsubstituted or substituted with halogen, CN, NO2, a C1˜C20 alkyl group, a C1˜C20 alkoxy group, a C6˜C20 aryl group, a C5˜C20 heteroaryl group, a C6˜C20 aryl amine group, a C6˜C20 aryl thiophene group, a C3˜C20 cycloalkyl group, —OR, —SR, —SeR, —TeR, —BRR′, —AlRR′, —SiRR′R″, —GeRR′R″, or —SnRR′R″;
• a C5˜C20 heterocyclic group comprising O, N or S;
• or a condensed ring formed by fusing a C5˜C20 alkylene group with a C6˜C20 aryl group, wherein R, R′, and R″ are same or different from each other, and are each independently hydrogen, a C1˜C20 alkyl group, a C3˜C20 cycloalkyl group, a C6˜C20 aryl group or a C5˜C20 heterocyclic group.