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:
Jun. 23, 2015
Filed:
Feb. 25, 2011
Applicants:
Quan LI, Stow, OH (US);
Yannian LI, Kent, OH (US);
Ji MA, Kent, OH (US);
Inventors:
Assignee:
KENT STATE UNIVERSITY, Kent, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); G02F 1/137 (2006.01); G02F 1/13 (2006.01); B60J 3/04 (2006.01); G02F 1/1347 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1313 (2013.01); G02B 5/3016 (2013.01); B60J 3/04 (2013.01); G02F 1/13476 (2013.01); G02F 1/13718 (2013.01); G02F 2202/14 (2013.01);
Abstract
A multi-functional photochromic chiral nematic liquid crystal window comprises at least a photochromic chiral nematic liquid crystal layer. The windows are able to not only to darken in color upon exposure to sunlight irradiation but also control the light and the heat passing through them, which can be used as the windows of buildings, vehicles, and the like.