Liquid crystal medium and liquid crystal display

US11312908B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Achim Goetz · Zwingenberg, DE
• Hee-Kyu LEE · Shanghai, CN
• Mark Goebel · Darmstadt, DE

Key dates

• Filing date: May 21, 2013
• Grant date: Apr 26, 2022
• Expiry date: May 21, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/3422
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Dielectrically positive liquid-crystalline media comprising a compound of the formula TINUVIN 770 and optionally one or more compounds of formula I, in which the parameters have the respective meanings indicated in the specification, and optionally one or more further dielectrically positive compounds and optionally one or more further dielectrically neutral compounds, and to liquid-crystal displays, especially active-matrix displays and in particular TN, IPS and FFS displays, containing these media.