The present invention relates to an organometallic complex, to the preparation of said material, to the use of said material and to a light emitting device which transform electric energy into light. The present invention is further related to provide phosphorescent complexes which contribute to extend the life time in operation of said OLEDs and especially when they are involved in the EL. The objectives of this invention are accomplished by iridium complex comprising 7-membered fused ring ligands which are tris-homoleptic or bis-homoleptic with an ancillary ligand.
本发明涉及一种有机
金属配合物,其制备方法,使用方法以及将电能转化为光的发光装置。本发明还涉及提供荧光配合物,有助于延长OLEDs在操作中的寿命,特别是当它们参与EL时。该发明的目标通过含有7元融合环
配体的
铱配合物来实现,这些
配体是三取代同型或二取代同型的,带有一个辅助
配体。