Liquid crystal medium and liquid crystal display

US9120969B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Michael Wittek · Darmstadt, DE
• Norihiko Tanaka · Kawasaki, JP
• Mila Fischer · Bremke, DE
• Matthias Bremer · Darmstadt, DE
• Erdal Durmaz · Darmstadt, DE
• Malgorzata Rillich · Darmstadt, DE

Key dates

• Filing date: Sep 18, 2013
• Grant date: Sep 1, 2015
• Expiry date: Sep 18, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/0448
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The instant invention relates to mesogenic media exhibiting a blue phase, comprising one, two or more compounds of formula I-Awherein the parameters are as specified in the text, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such displays.