Liquid crystal medium and liquid display

US10450509B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Michael Wittek · Darmstadt, DE
• Norihiko Tanaka · Kawasaki, JP
• Malgorzata Rillich · Darmstadt, DE
• Volker Reiffenrath · Roßdorf, DE
• Axel Jansen · Darmstadt, DE

Key dates

• Filing date: May 9, 2012
• Grant date: Oct 22, 2019
• Expiry date: May 9, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/123
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Mesogenic media comprising one or more compounds of formulae I or II preferably mesogenic media showing a blue phase, preferably stabilized by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as such devices.