Patent · US Active

Liquid-crystalline medium for use in a switching element

US11760931B2 · kind B2 · utility

0Cited by

5References

18Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Michael Junge · Munich, DE
Andreas Beyer · Hanau, DE
Mila Fischer · Bremke, DE
Ewa Ptak · Weiterstadt, DE

Key dates

Filing date	Dec 3, 2018
Grant date	Sep 19, 2023
Priority date	—
Expiry date	Mar 17, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2219/13
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to liquid-crystalline media comprising one or more mesogenic compounds of formula I as set forth hereinafter, wherein the one or more compounds of formula I are contained in the medium in an amount, based on the overall contents of the medium, of at least 15% by weight. The present invention further relates to a switching layer, a switching element and a window element containing the liquid-crystalline medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.