Use of complex ligands for ions in ferroelectric liquid-crystal mixtures

US5702639A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Claus Escher · Mühltal, DE
• Takamasa Harada · Oberursel, DE
• Gerhard Illian · Frankfurt am Main, DE
• Norbert Rosch · Frankfurt am Main, DE
• Rainer Wingen · Hattersheim, DE

Key dates

• Filing date: May 31, 1995
• Grant date: Dec 30, 1997
• Expiry date: May 31, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2323/023
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A ferroelectric liquid crystal mixture containing two or more components, at least one of which is a complex ligand for ions, in particular for cations, is particularly suitable for use in ferroelectric liquid crystal displays.