The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.
本发明涉及杂环亚苯基
咪唑或亚苯基三唑单元通过碳气化物键与中心
金属原子结合,以及通过氮
金属键连接到中心原子的苯基
咪唑配体的杂叶配合物,以及包含至少一个这样的杂叶配合物的发光层,包括这样的杂叶配合物的OLED,选自照明元件、静态视觉显示单元和移动视觉显示单元的设备,以及在OLED中使用这样的杂叶配合物,例如作为发射体、基质材料、电荷传输材料和/或电荷阻断器。