Liquid-crystalline medium and liquid-crystal display

US7442419B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Harald Hirschmann · Darmstadt, DE
• Martina Weidner · Munster, DE
• Michael Wittek · Darmstadt, DE
• Volker Reiffenrath · Roßdorf, DE
• Brigitte Schuler · Großostheim, DE
• Markus Czanta · Darmstadt, DE
• Renate Bender · Darmstadt, DE

Key dates

• Filing date: Mar 9, 2007
• Grant date: Oct 28, 2008
• Expiry date: Mar 9, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2323/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Disclosed are a liquid-crystalline medium, the use thereof for electro-optical purposes, and displays containing this medium, characterised in that the medium contains one or more compounds of formula Iand one or more compounds selected from compounds of formulae K-1 to K-11, containing a CF2O bridge.