Electro-optical liquid-crystal display

US6045878A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Kazuaki Tarumi · Seeheim-Jugenheim, DE
• Andreas Beyer · Hanau, DE
• Volker Reiffenrath · Roßdorf, DE
• Eike Poetsch · Mühltal, DE

Key dates

• Filing date: Dec 4, 1997
• Grant date: Apr 4, 2000
• Expiry date: Dec 4, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K19/44
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to an electro-optical liquid-crystal display having a realignment layer for realigning the liquid crystals whose field has a significant component parallel to the liquid-crystal layer and which contains a liquid-crystalline medium of positive dielectric anisotropy, where the medium comprises at least one mesogenic compound and at least one alkenyl compound of formula I*.