The present invention relates to phenanthroline compounds and to electroluminescent (EL) devices comprising the phenanthroline compounds. The phenanthroline compounds may function as electron transport layers, as hole blocking layers or as hosts for phosphorescent emitter materials to provide electroluminescent devices with improved efficiency, lifetime, operational stability and better spectral characteristics.
本发明涉及
菲啰啉化合物以及包括该
菲啰啉化合物的电致发光(EL)器件。该
菲啰啉化合物可以作为电子传输层、阻挡空穴层或者荧光发射材料的宿主,以提供具有改善效率、寿命、操作稳定性和更好光谱特性的电致发光器件。