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:
Jun. 04, 2013
Filed:
May. 21, 2008
Applicants:
Norihiko Tanaka, Aikogun, JP;
Makoto Murakami, Kanagawa Pref., JP;
Shinji Nakajima, Atsugi, JP;
Inventors:
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C09K 19/06 (2006.01); C09K 19/34 (2006.01); C09K 19/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which contains at least one compound of the formula I and at least one compound of the formula II in whichR, R, R, R, ring A, Z, Zand m are as defined in Claimand to the use thereof for an active-matrix display based on the ECB, VA, PS-VA, FFS, PALC or IPS effect.