An organic light emitting device includes a substrate, an anode and a cathode disposed over the substrate, and a luminescent layer disposed between the anode and the cathode wherein the luminescent layer includes a host and at least one dopant. The host of the luminescent layer is selected to include a solid organic material comprising a mixture of at least two components, one of which contains at least one perylene carbocyclic ring structure or at least one mono-aza-perylene or poly-aza-perylene ring structure and is capable of forming both monomer state and an aggregate state.
有机发光器件包括基板、位于基板上的阳极和阴极以及位于阳极和阴极之间的发光层,其中发光层包括宿主和至少一种掺杂剂。发光层的宿主被选择为包含至少两种组分的固态有机材料的混合物,其中一种组分包含至少一个
苝環烷环结构或至少一个单氮杂
苝環或多氮杂
苝環环结构,并能够形成单体态和聚集态。