This invention relates to carbazole- or indolocarbazole-containing donor acceptor type compounds with an ortho substitution on the aromatic group that is connected to carbazole. This unique substitution pattern will provide materials with superior performance for host applications. These compounds can also be used as delayed fluorescent emitters.
本发明涉及含
咔唑或
吲哚咔唑的供体受体型化合物,与
咔唑相连的芳香基团上有一个正交取代基。这种独特的取代模式将为宿主应用提供性能优越的材料。这些化合物还可用作延迟荧光发射器。