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:
Jul. 31, 2012
Filed:
Feb. 25, 2009
Markus Czanta, Darmstadt, DE;
Michael Wittek, Darmstadt, DE;
Lars Lietzau, Darmstadt, DE;
Marcus Reuter, Darmstadt, DE;
Brigitte Schuler, Grossotheim, DE;
Markus Czanta, Darmstadt, DE;
Michael Wittek, Darmstadt, DE;
Lars Lietzau, Darmstadt, DE;
Marcus Reuter, Darmstadt, DE;
Brigitte Schuler, Grossotheim, DE;
Merck Patent Gesellschaft mit beschränkter Haftung, Darmstadt, DE;
Abstract
The present invention relates to dielectrically positive liquid-crystalline media comprising in each case one or more compounds of the formula I in which the parameters have the respective meanings indicated in the specification, and optionally one or more further dielectrically positive compounds and optionally one or more further dielectrically neutral compounds, and to liquid-crystal displays containing these media, especially to active-matrix displays and in particular to TN, IPS and FFS displays.