| abstract |
An organic electronic device, preferably an organic light-emitting diode (OLED), comprising at least one metal- carbene complex comprising one, two or three specific bidentate diazabenzimidazole carbene ligands;a light-emitting layer compris - ing said metal-carbene complex as emitter material, preferably in combination with at least one hast material;the use of said metal- carbene complex in an OLED;an apparatus selected from the group consisting of stationary visual display units, mobile visual dis - play units, illumination units, units in items of clothing, units in handbags, units in accessoires, units in fumiture and units in wallpa - per comprising said organic electronic device, preferably said OLED, or said light-emitting layer;the metal-carbene complex com- prising one, two or three specific bidentate diazabenzimidazole carbene ligands mentioned above and a process for the preparation of said metal-carbene complex. |