Liquid-crystalline medium

US9822302B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Martin Engel · Libertyville, US
• Thorsten Kodek · Mörfelden, DE
• Ingo Almeroth · Bensheim, DE
• Rocco Fortte · Frankfurt am Main, DE

Key dates

• Filing date: May 12, 2016
• Grant date: Nov 21, 2017
• Expiry date: May 12, 2036

Classification

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

Abstract

The compounds of the formula I, and a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises in which the parameters have the meanings defined herein, are suitable for use in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect.