ELECTROLUMINESCENCE IRIDIUM COMPOUND, AND DISPLAY DEVICE ADOPTING THE SAME AS LIGHT-EMITTING DOPANT

摘要

PURPOSE: Provided are an electroluminescence iridium compound which is applicable to bluegreen phosphorescence materials and has superior color purity and excellent light-emitting efficiency, and a display device using the same as a light-emitting material. CONSTITUTION: The electroluminescence iridium compound is represented by the formula 1: IrL1L2L3, wherein L to L3 are the same or different and are represented by the formula 2 or the formula 3, in which R is an alkyl group having carbon atoms of 1-20, a fused ring and a haloalkyl group, with proviso that in case that L1 to L3 are different, one is represented by the formula 3 and the others are the same ligands. The display device comprises the electroluminescence iridium compound as a light-emitting material.