Iridium complexes is one of the most important electrophosphorescent materials.Iridium complexes with different structures can emit green,red,blue and other color of phosphorescence,even color-tunable,which was able to achieve full-color electroluminescence.Quantum chemical calculation played an very important role in developing new efficient electrophosphorescent materials.Molecular design,ligand modification and other methods were effective ways to improve the...