Phosphorescent aNHC-based platinum (II) complexes

摘要

The invention relates to novel platinum (II) complexes with NHC ligands which are suitable for use in OLEDs, in particular as emitters or as light-emitting substances, the imidazole ring of the NHC ligand having mesoionic character. The invention also relates to OLEDs and / or light-emitting layers comprising complexes according to the invention, and to the use of complexes according to the invention in OLEDs.