Luminescent diaza-monoaza- and benzimidazole metal carbene complexes for use in electronic devices such as OLEDs

摘要

A cyclometalated Ir complex of the formula (I) or (I ′) and comprising 1, 2 or 3 ligands substituted at the R5 and R7 positions; An organic electronic device comprising a metallated Ir complex; a light emitting layer comprising at least one cyclometalated Ir complex according to the invention; a use of the cyclometalated Ir complex according to the invention in an OLED; said organic electronic device From the group consisting of stationary visual display units, portable visual display units, lighting units, units in clothing, units in handbags, units in accessories, units in furniture, and units in wallpaper An apparatus selected; as well as a process for the production of cyclometalated complexes according to the invention.