The present invention relates to phosphorous host materials and an organic electroluminescent device comprising the same. By using the phosphorous host material of the present invention, an organic electroluminescent device having significantly improved operational lifespan can be produced.
本发明涉及
磷基主体材料及包括其在内的有机电致发光器件。通过使用本发明的
磷基主体材料,可以生产出具有显著改善操作寿命的有机电致发光器件。