IRIDIUM COMPLEX AND ORGANIC LIGHT EMITTING DIODE USING THE SAME

摘要

An iridium complex having at least two 2-(thiophen-2-yl)quinolone ligands is provided. The iridium complex of the present invention may be configured as host material or dopant in organic light emitting diode devices. The optoelectronic element of the present invention is provided with advantages such as high efficiency, high brightness, high color saturation and good thermal and chemical stability so as to improve the performance of organic light emitting diode devices.

主权项

1. An iridium complex represented by formula (1): wherein groups L and X are linked in an arch to form a ligand represented by Ar1-Ar2, L is N or O and X is C, N or O, Ar1 is a non-substituted or substituted N-heterocyclic ring, Ar2 is a non-substituted or substituted aromatic ring, a non-substituted or substituted N-heterocyclic ring or a non-substituted or substituted S-heterocyclic ring, or Ar1 and Ar2 together are wherein each of substituents of Ar1 and Ar2, G, R1 to R7 is a member independently selected from the group consisting of H, halo, cyano, amino, substituted or non-substituted C1-C10 alkyl, substituted or non-substituted C2-C10 alkenyl, substituted or non-substituted C2-C10 alkynyl, substituted or non-substituted C3-C20 cycloalkyl, substituted or non-substituted C3-C20 cycloalkenyl, substituted or non-substituted C1-C20 heterocycloalkyl, substituted or non-substituted C1-C20 heterocycloalkenyl, substituted or non-substituted aryl and substituted or non-substituted heteroaryl and wherein at least one of R6 and R7 is not hydrogen.