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. 30, 2018
Filed:
Feb. 07, 2014
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01); G02F 1/137 (2006.01); C09K 19/60 (2006.01); E06B 3/67 (2006.01); G02F 1/133 (2006.01); C09K 19/20 (2006.01); C09K 19/30 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13725 (2013.01); C09K 19/60 (2013.01); C09K 19/601 (2013.01); C09K 19/603 (2013.01); C09K 19/606 (2013.01); E06B 3/6722 (2013.01); G02F 1/1337 (2013.01); G02F 1/13306 (2013.01); G02F 1/13737 (2013.01); G02F 1/13762 (2013.01); C09K 2019/2035 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3077 (2013.01); C09K 2019/3078 (2013.01); C09K 2019/3083 (2013.01); C09K 2219/13 (2013.01); G02F 2001/13324 (2013.01); G02F 2001/13706 (2013.01); G02F 2001/133738 (2013.01); G02F 2203/48 (2013.01);
Abstract
The present application relates to a device for regulating the passage of light through a light-transmitting area which comprises a switching layer comprising a liquid-crystalline medium comprising at least one dichroic dye, where the parameters degree of light transmission and degree of anisotropy of the device are selected in a certain manner.