Liquid crystal medium

US9428694B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Martin Engel · Libertyville, US
• Melanie Klasen-Memmer · Heuchelheim, DE
• Christoph Marten · Darmstadt, DE
• Stephan Derow · Griesheim, DE

Key dates

• Filing date: May 21, 2013
• Grant date: Aug 30, 2016
• Expiry date: May 21, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/3016
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a liquid crystal (LC) medium, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type, and to LC displays, especially PS or PSA displays, comprising said LC medium.