Liquid crystalline medium

US7419706B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Michael Heckmeier · Bensheim, DE
• Achim Goetz · Zwingenberg, DE
• Markus Czanta · Darmstadt, DE
• John Patrick · Carthage, US
• Louise Diane Farrand · Dorchester, GB
• Cecile Schott · Taipei, TW
• Elvira Montenegro · Weinheim, DE
• Peer Kirsch · Darmstadt, DE

Key dates

• Filing date: Aug 3, 2004
• Grant date: Sep 2, 2008
• Expiry date: Aug 3, 2024

Classification

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

Abstract

The present invention relates to a liquid crystalline mixture comprising A2, Z2, A3, L1, L2, X12, m and n have the meanings given in claim 1 and their use in TFT, TN, IPS applications and expecially for devices utilizing electro-optical effects in an optically isotropic state.