The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 09, 2021
Filed:
Jan. 30, 2018
Merck Patent Gmbh, Darmstadt, DE;
Martin Engel, Darmstadt, DE;
Sabrina Maag, Pfungstadt, DE;
Ingo Almeroth, Bensheim, DE;
Rocco Fortte, Frankfurt Am Main, DE;
Achim Goetz, Alsbach-Haehnlein, DE;
Thorsten Kodek, Moerfelden-Walldorf, DE;
Oliver Heppert, Weiterstadt, DE;
MERCK PATENT GMBH, Darmstadt, DE;
Abstract
Compounds of the formula I, and liquid-crystalline media, preferably having a nematic phase and negative dielectric anisotropy, comprising Methods for making and using these liquid-crystalline media in electro-optical displays, particularly in active-matrix displays based on the VA, ECB, PALC, FFS or IPS effect and the displays which contain these media. Methods for stabilizing liquid-crystalline media with compounds of formula I, where the liquid-crystalline media comprise one or more compounds of the formula II and one or more compounds selected from compounds of the formulae III-1 to III-4 and formula B.