Fluorine-substituted perylenes for colour filters in LCDS

US8323357B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Ulrich Feldhues · Bensberg, DE
• Frank Linke · Recklinghausen, DE
• Stephan Michaelis · Leverkusen, DE
• Dirk Pfuetzenreuter · Burscheid, DE

Key dates

• Filing date: Apr 1, 2010
• Grant date: Dec 4, 2012
• Expiry date: Apr 1, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2323/031
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The use of fluorine-substituted perylenes in color filters for liquid-crystal displays is described.