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:
Mar. 24, 2020
Filed:
Jun. 21, 2017
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/137 (2006.01); E06B 9/24 (2006.01); G02F 1/1335 (2006.01); G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
G02F 1/137 (2013.01); E06B 9/24 (2013.01); G02F 1/1337 (2013.01); G02F 1/13737 (2013.01); G02F 1/133528 (2013.01); E06B 2009/247 (2013.01); E06B 2009/2417 (2013.01); E06B 2009/2464 (2013.01); G02F 2001/133531 (2013.01); G02F 2202/043 (2013.01); G02F 2202/046 (2013.01);
Abstract
An optical switching device comprising a polarisation layer and a switching layer which comprises a liquid-crystalline material and a dye compound. Use of the optical switching device for the regulation of the passage of light through an area element. A window element which has the optical switching device therein.