Liquid crystal medium

US6793983B1 · kind B1 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Michael Heckmeier · Bensheim, DE
• Brigitte Schuler · Großostheim, DE
• Kazuaki Tarumi · Seeheim-Jugenheim, DE
• Peer Kirsch · Darmstadt, DE
• Volker Reiffenrath · Roßdorf, DE

Key dates

• Filing date: Jun 21, 2001
• Grant date: Sep 21, 2004
• Expiry date: Jun 21, 2021

Classification

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

Abstract

The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I and at least one compound of the formula in which the substituents are as defined in claim 1.