A light emitting device having at least one layer that contains a phosphorescent organometallic dendrimer with a metal cation and two or more coordinating groups as part of its core and wherein at least two of said coordinating groups each have a dendron attached, at least one of which dendrons comprises at least one nitrogen atom which forms a part of an aromatic ring system or is directly bonded to at least two aromatic groups.
一种发光器件,其至少有一层含有
磷光有机
金属树枝状聚合物,该树枝状聚合物具有
金属阳离子和两个或更多配位基团,作为其核心的一部分,其中至少两个配位基团各连接有一个树枝状化合物,其中至少一个树枝状化合物包括至少一个氮原子,该氮原子构成芳香环系统的一部分或直接键合到至少两个芳香基团上。