Heteroleptic transition metal-carbene complexes and their use in organic light-emitting diodes (OLEDS)

US10385263B2 · kind B2 · utility

Assignee

• UDC IRELAND LIMITED · IE

Inventors

• Evelyn Fuchs · Mannheim, DE
• Martina Egen · Dossenheim, DE
• Klaus Kahle · Ludwigshafen, DE
• Christian Lennartz · Dublin, IE
• Oliver Molt · Hirschberg, DE
• Simon Nord · Münstermaifeld, DE
• Wolfgang Kowalsky · Braunschweig, DE
• Christian Schildknecht · Schifferstadt, DE
• Hans-Hermann Johannes · Braunschweig, DE

Key dates

• Filing date: Apr 3, 2007
• Grant date: Aug 20, 2019
• Expiry date: Apr 10, 2030

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/10
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

The present invention relates to heteroleptic carbene complexes comprising at least two different carbene ligands, to a process for preparing the heteroleptic carbene complexes, to the use of the heteroleptic carbene complexes in organic light-emitting diodes, to organic light-emitting diodes comprising at least one inventive heteroleptic carbene complex, to a light-emitting layer comprising at least one inventive heteroleptic carbene complex, to organic light-emitting diodes comprising at least one inventive light-emitting layer, and to devices which comprise at least one inventive organic light-emitting diode.