End-capped polyfluorenes, films and devices based thereon

US6777531B2 · kind B2 · utility

Assignees

• Sony International (Europe) GmbH · DE
• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Akio Yasuda · Eßlingen, DE
• Wolfgang Knoll · Mainz, DE
• Andreas Meisel · San Francisco, US
• Tzenka Miteva · Stuttgart, DE
• Dieter Meher · Potsdam, DE
• Heinz-Georg Nothofer · Stuttgart, DE
• Ullrich Scherf · Golm, DE

Key dates

• Filing date: May 2, 2002
• Grant date: Aug 17, 2004
• Expiry date: May 2, 2022

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 polyfluorenes end-capped with at least one charge-transporting moiety, and to films and devices based thereon.