Nematic liquid-crystal composition for active matrix application

US5753142A · kind A · utility

Assignees

• Merck Patent GmbH · DE
• SHARP KABUSHIKI KAISHA · JP

Inventors

• Herbert Plach · Darmstadt, DE
• Ekkehard Bartmann · Langen (Hessen), DE
• Eike Poetsch · Mühltal, DE
• Syuichi Kozaki · Nara, JP
• Kazuyoshi Fujioka · Osaka, JP
• Masako Nakamura · Osaka, JP
• Hiroshi Numata · Yokohama, JP
• Hideo Ichinose · Yokohama, JP

Key dates

• Filing date: Jan 27, 1997
• Grant date: May 19, 1998
• Expiry date: Jan 27, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K19/42
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A nematic liquid-crystal composition for active matrix displays with high voltage holding ratio, an optical birefringence an in the range from 0.12 to 0.13 and a low threshold voltage.