Phenanthrene derivative

US8129037B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Philipp Stössel · Frankfurt, DE
• Arne Büsing · Frankfurt, DE
• Horst Vestweber · Prüm, DE
• Holger Heil · Frankfurt am Main, DE

Key dates

• Filing date: Sep 20, 2005
• Grant date: Mar 6, 2012
• Expiry date: Dec 19, 2027

Classification

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

Abstract

The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as host materials in the emitting layer.