Phosphorescent electroluminescent materials and devices are one of prime focuses of organic light-emitting device research in recent years due to their ability to efficiently utilize both singlet and triplet excitons and having higher efficiency.

• 有机电致磷光材料可以同时利用单线态和三线态激子发光，具有发光效率高等优点，成为近年来研究的热点。