Mesogenic compounds, medium for electro-optical displays and electro-optical display

US7531106B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Peer Kirsch · Darmstadt, DE
• Elvira Montenegro · Weinheim, DE
• Louise Diane Farrand · Dorchester, GB
• Detlef Pauluth · Ober-Ramstadt, DE
• Michael Heckmeier · Bensheim, DE

Key dates

• Filing date: Aug 10, 2004
• Grant date: May 12, 2009
• Expiry date: Jan 19, 2026

Classification

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

Abstract

The instant invention relates to liquid crystal media comprising a strongly dielectrically positive component A, comprising one or more compounds of formula Iwherein the parameters have the meanings given in the text. It also relates to the compounds as such and to mesogenic or liquid crystalline mixtures comprising these compounds.