Electrooptical system

US5384066A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Eike Poetsch · Mühltal, DE
• Raymond Jubb · Darmstadt, DE
• Ulrich Finkenzeller · Plankstadt, DE
• Thomas Jacob · Kanchinakote, IN
• Jorg Ohngemach · Reinheim, DE
• Stefan Wilhelm · Unterhaching, DE

Key dates

• Filing date: Jan 27, 1992
• Grant date: Jan 24, 1995
• Expiry date: Jan 27, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K19/3003
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a microdroplet or network system which is provided with active matrix addressing and whose liquid-crystal mixture contains one or more compounds of the formula I and in which the polymerization of the optically transparent medium is initiated by a photoinitiator which forms free radicals.