Liquid crystalline medium

US6506462B1 · kind B1 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Kazuaki Tarumi · Seeheim-Jugenheim, DE
• Brigitte Schuler · Großostheim, DE
• Michael Schwarz · Weiterstadt, DE
• Hideo Ichinose · Yokohama, JP
• Yasuyoshi Namiki · Yokohama, JP
• Akiko Takashima · Soma, JP
• Hiroshi Numata · Yokohama, JP

Key dates

• Filing date: Jan 30, 1998
• Grant date: Jan 14, 2003
• Expiry date: Jan 30, 2018

Classification

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

Abstract

The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I in which R, Y and L1 are as defined therein.