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:
Oct. 22, 2019
Filed:
May. 09, 2012
Applicants:
Michael Wittek, Erzhausen, DE;
Norihiko Tanaka, Darmstadt, DE;
Malgorzata Rillich, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Axel Jansen, Darmstadt, DE;
Inventors:
Michael Wittek, Erzhausen, DE;
Norihiko Tanaka, Darmstadt, DE;
Malgorzata Rillich, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Axel Jansen, Darmstadt, DE;
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 19/54 (2006.01); C09K 19/02 (2006.01); C09K 19/12 (2006.01); C09K 19/20 (2006.01); C09K 19/42 (2006.01); C09K 19/44 (2006.01); C07C 69/734 (2006.01); C09K 19/04 (2006.01);
U.S. Cl.
CPC ...
C09K 19/542 (2013.01); C07C 69/734 (2013.01); C09K 19/0275 (2013.01); C09K 19/12 (2013.01); C09K 19/20 (2013.01); C09K 19/42 (2013.01); C09K 19/44 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/123 (2013.01);
Abstract
Mesogenic media comprising one or more compounds of formulae I or II preferably mesogenic media showing a blue phase, preferably stabilized by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as such devices.