Liquid-crystalline medium

US6613401B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Harald Hirschmann · Darmstadt, DE
• Sven Schupfer · Aschaffenburg, DE
• Renate Graulich · Riedstadt, DE
• Martina Weidner · Munster, DE

Key dates

• Filing date: Dec 6, 2001
• Grant date: Sep 2, 2003
• Expiry date: Jan 24, 2022

Classification

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

Abstract

Liquid-crystalline media comprising one or more compounds of formula A and at least one compound of formula B are suitable for use in TN and STN displays.