Liquid crystalline rylene tetracarboxylic acid derivatives and use thereof

US8481736B2 · kind B2 · utility

Assignees

• BASF SE
• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Martin Koenemann · Ludwigshafen, DE
• Neil Gregory Pschirer · Mainz, DE
• Klaus Muellen · Cologne, DE
• Fabian Nolde · Hannover, DE
• Wojciech Pisula · Mainz, DE
• Sibylle Mueller · Frenkendorf, CH
• Christopher Kohl · Mainz, DE

Key dates

• Filing date: Apr 4, 2007
• Grant date: Jul 9, 2013
• Expiry date: Nov 3, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to liquid-crystalline rylene tetracarboxylic acid derivatives, to processes for their preparation and to their use as n-type organic semiconductors for producing organic field-effect transistors and solar cells.