Method for producing tris-ortho-metallated complexes and use of such complexes in OLEDs

US7790888B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Markus Bold · Dirmstein, DE
• Peter Erk · Bischofswerda, DE
• Mairi Haddow · Blairgowrie and Rattray, GB
• Ingolf Hennig · Neulußheim, DE
• Hans-Werner Schmidt · Bayreuth, DE
• Markus Baete · Kulmain, DE
• Mukundan Thelakkat · Bayreuth, DE

Key dates

• Filing date: Apr 30, 2004
• Grant date: Sep 7, 2010
• Expiry date: Dec 30, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F15/0033
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for preparing tris-ortho-metallated iridium complexes of the formula (I)where R1, R2, R3, R4, R5, R6 and X have the meanings given in the description, Ir complexes which can be prepared by the process of the invention, the use of the Ir complexes as emitter molecule in organic light-emitting diodes (OLEDs), a light-emitting layer comprising the Ir complexes, an OLED comprising this light-emitting layer and an apparatus comprising an OLED according to the present invention.