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:
Sep. 20, 2022
Filed:
Dec. 18, 2020
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Sven Christian Laut, Darmstadt, DE;
Martina Windhorst, Darmstadt, DE;
Constanze Brocke, Darmstadt, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/34 (2006.01); G02F 1/1362 (2006.01); C07D 401/12 (2006.01); C07D 319/06 (2006.01); C09K 19/04 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3491 (2013.01); C07D 319/06 (2013.01); C07D 401/12 (2013.01); C09K 19/3402 (2013.01); C09K 19/3405 (2013.01); G02F 1/1362 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/3408 (2013.01); C09K 2019/3422 (2013.01);
Abstract
A liquid-crystalline medium having a nematic phase containing one or more compounds of formula D the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, displays of this type which contain a liquid-crystalline medium of this type and the use of the compounds of formula D for improvement of the contrast and/or response times of a liquid-crystalline medium which contain one or more additional mesogenic compounds, as well as certain compounds of formula D.