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:
Apr. 16, 2019
Filed:
Mar. 20, 2015
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Michael Junge, Pfungstadt, DE;
Mila Fischer, Muehltal, DE;
Ursula Patwal, Reinheim, DE;
Peer Kirsch, Seeheim-Jugenheim, DE;
Susann Beck, Darmstadt, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/34 (2006.01); C09K 19/60 (2006.01); G02F 1/137 (2006.01); C09K 19/30 (2006.01); E06B 9/24 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3402 (2013.01); C09K 19/3003 (2013.01); C09K 19/3068 (2013.01); C09K 19/60 (2013.01); C09K 19/601 (2013.01); C09K 19/603 (2013.01); E06B 9/24 (2013.01); G02F 1/13737 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3019 (2013.01); C09K 2019/3021 (2013.01); C09K 2019/3077 (2013.01); C09K 2019/3078 (2013.01); C09K 2019/3422 (2013.01); C09K 2219/13 (2013.01); E06B 2009/2464 (2013.01); G02F 2001/13706 (2013.01);
Abstract
The present application relates to a liquid-crystalline material which comprises at least one dye compound and at least one compound of a formula (IA) or (IB). The liquid-crystalline material is suitable for use in optical switching devices, in particular in devices for the homogeneous regulation of the passage of light through an area.