Metal complexes, comprising carbene ligands having an O-substituted non-cyclometallated aryl group and their use in organic light emitting diodes
申请人:UDC IRELAND LIMITED
公开号:US10370396B2
公开(公告)日:2019-08-06
Cyclometallated Ir complex comprising three N,N diaryl substituted carbene ligands, bearing substituents in the 2 position of the non-cyclometallated aryl ring; an organic electronic device, preferably an organic light-emitting diode (OLED), comprising at least one cyclometallated Ir complex as described above, a light-emitting layer comprising said cyclometallated Ir complex preferably as emitter material, preferably in combination with at least one host material, use of said cyclometallated Ir complex in an OLED and an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, units in items of clothing, units in handbags, units in accessories, units in furniture and units in wallpaper comprising said organic electronic device, preferably said OLED, or said light-emitting layer. The present invention further relates to a process for the preparation of said cyclometallated Ir complex.
环金属化铱络合物,包含三个 N,N-二芳基取代的碳烯配体,在非环金属化芳基环的 2 位上带有取代基;一种有机电子设备,最好是有机发光二极管(OLED),包括至少一种上述环金属化铱络合物,发光层包括上述环金属化铱络合物,最好是作为发射极材料,最好是与至少一种主材料结合使用、在有机发光二极管中使用所述环金属化铱络合物,以及在包括所述有机电子装置(最好是所述有机发光二极管)或所述发光层的装置中使用选自固定视觉显示装置、移动视觉显示装置、照明装置、服装装置、手袋装置、饰品装置、家具装置和壁纸装置等组的装置。本发明还涉及一种制备所述环金属化铱络合物的工艺。