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:
Sep. 19, 2023
Filed:
Dec. 15, 2020
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Michael Junge, Darmstadt, DE;
Rainer Neeff, Darmstadt, DE;
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01); E06B 9/24 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133746 (2021.01); E06B 9/24 (2013.01); G02F 1/133723 (2013.01); G02F 1/133742 (2021.01); G02F 1/133769 (2021.01); E06B 2009/2464 (2013.01); G02F 2202/022 (2013.01); G02F 2202/043 (2013.01);
Abstract
Devices for the regulation of light transmission and in particular switchable windows, including window elements containing a switchable optical cell having a homeotropically aligned liquid crystal layer with a pretilt angle in the range of 77° to 88°.