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:
Dec. 11, 2018
Filed:
Oct. 23, 2015
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Melanie Klasen-Memmer, Heuchelheim, DE;
Sabine Schoen, Herten, DE;
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/54 (2006.01); C09K 19/30 (2006.01); C09K 19/02 (2006.01); C09K 19/12 (2006.01); C09K 19/44 (2006.01); C09K 19/18 (2006.01); C09K 19/04 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3001 (2013.01); C09K 19/02 (2013.01); C09K 19/0208 (2013.01); C09K 19/0216 (2013.01); C09K 19/12 (2013.01); C09K 19/3003 (2013.01); C09K 19/3028 (2013.01); C09K 19/3048 (2013.01); C09K 19/3066 (2013.01); C09K 19/3068 (2013.01); C09K 19/3098 (2013.01); C09K 19/44 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/122 (2013.01); C09K 2019/123 (2013.01); C09K 2019/181 (2013.01); C09K 2019/183 (2013.01); C09K 2019/301 (2013.01); C09K 2019/303 (2013.01); C09K 2019/3004 (2013.01); C09K 2019/304 (2013.01); C09K 2019/305 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3021 (2013.01); C09K 2019/3027 (2013.01);
Abstract
The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (Δε), which is distinguished by the fact that it has a value for the ratio γ/Δnin the range 6-45 with a clearing point of >60° C. and a Δε of ≤−2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.