Electroluminescent polymers and use thereof

US7790057B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Arne Büsing · Frankfurt, DE
• Holger Heil · Frankfurt am Main, DE
• Aurélie Ludemann · Frankfurt, DE
• Niels Schulte · Kelkheim, DE

Key dates

• Filing date: Jun 22, 2007
• Grant date: Sep 7, 2010
• Expiry date: Jun 22, 2027

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 relates to electroluminescent polymers which contain structural units of the formula (1) and to the use thereof. The polymers according to the invention exhibit improved efficiency and a longer lifetime, in particular on use in polymeric organic light-emitting diodes.