Liquid-crystalline medium

US6514580B2 · kind B2 · utility

Assignee

• MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG · DE

Inventors

• Michael Heckmeier · Bensheim, DE
• Dagmar Klement · Groß-Zimmern, DE
• Matthias Bremer · Darmstadt, DE

Key dates

• Filing date: Dec 7, 2000
• Grant date: Feb 4, 2003
• Expiry date: May 2, 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 having negative dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I in which R1 is an alkoxy group having up to 12 carbon atoms.