Disclosed are organic electroluminescent compounds and organic electroluminescent devices employing said compounds. The organic electroluminescent compounds of the invention are substituted dihydro-pyrrolo[3,2-b:4,5-b']diindole, dihydro-furo[3,2-b:4,5-b']diindole and dihydro-thieno[3,2-b:4,5-b']diindole compounds defined by chemical formula (1), The compounds, when used in as a host material of an OLED device, exhibit good luminous efficiency and lifespan.
本发明公开了有机电致发光化合物和应用所述化合物的有机电致发光器件。本发明的有机电致发光化合物是通过
化学式(1)定义的取代二
氢吡咯并[3,2-b:4,5-b']二
吲哚、二
氢呋并[3,2-b:4,5-b']二
吲哚和二
氢噻吩并[3,2-b:4,5-b']二
吲哚化合物。当这些化合物作为OLED器件的主体材料时,表现出良好的发光效率和寿命。