Rhodium complexes and iridium complexes

US7635526B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Philipp Stössel · Frankfurt, DE
• Ingrid Bach · Hofheim, DE
• Hubert Spreitzer · Viernheim, DE
• Heinrich Becker · Königstein, DE

Key dates

• Filing date: Mar 24, 2003
• Grant date: Dec 22, 2009
• Expiry date: Oct 25, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S428/917
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention describes novel organometallic compounds which are phosphorescence emitters. Such compounds can, as active constituents (functional materials), be used in a number of different applications, which in the broadest sense can be classed as belonging to the electronics industry. The compounds according to the invention are described by the formulas (I), (Ia), (II), (IIa), (III), (IIIa), (IV) and (IVa).