Conjugated polymers containing spirobifluorene units and the use thereof

US7323533B2 · kind B2 · utility

Assignee

• Covion Organic Semiconductors GmbH · DE

Inventors

• Heinrich Becker · Königstein, DE
• Kevin Treacher · Manchester, GB
• Hubert Spreitzer · Viernheim, DE
• Aurelie Falcou · Mainz, DE
• Philipp Stössel · Frankfurt, DE
• Arne Büsing · Frankfurt, DE
• Amir Hossain Parham · Frankfurt am Main, DE
• Bernd Schröder · Jülich, DE

Key dates

• Filing date: Aug 29, 2002
• Grant date: Jan 29, 2008
• Expiry date: Aug 29, 2022

Classification

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

Abstract

The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.