Electro-optical liquid-crystal display

US5976407A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

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

Key dates

• Filing date: Feb 26, 1998
• Grant date: Nov 2, 1999
• Expiry date: Feb 26, 2018

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F1/134363
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Electro-optical liquid-crystal displays having a realignment layer for realigning the liquid crystals whose field has a significant component parallel to the liquid-crystal layer and which comprises a liquid-crystalline medium of positive dielectric anisotropy. The medium comprises at least one mesogenic compound and at least one bisalkenyl compound of formula I*.