The present invention is to provide an iridium complex compound, which is soluble in an organic solvent, which can be stored for long periods without reprecipitation thereof and which secures a low driving voltage and a high luminescent efficiency of an organic electroluminescent element produced using the compound, to provide an organic electroluminescent element containing the compound and to provide a display and a lighting using the organic electroluminescent element.
The present invention relates to the iridium complex compound having a specific chemical structure. Further, the invention also relates to the organic electroluminescent element produced using the compound, which requires a low operating voltage and has a long operating lifetime.
本发明旨在提供一种
铱络合物,该化合物可溶于有机溶剂,可长期储存而不会再沉淀,并确保使用该化合物生产的有机电致发光元件具有低驱动电压和高发光效率;提供一种含有该化合物的有机电致发光元件;以及提供一种使用该有机电致发光元件的显示器和照明设备。
本发明涉及具有特定
化学结构的
铱络合物。此外,本发明还涉及使用该化合物生产的有机电致发光元件,该元件需要的工作电压低,工作寿命长。