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:
Jan. 15, 2013
Filed:
Aug. 31, 2009
Applicant:
Claes Göran Granqvist, Uppsala, SE;
Inventor:
Claes Göran Granqvist, Uppsala, SE;
Assignee:
ChromoGenics AB, Uppsala, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/15 (2006.01); G02F 1/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device () includes a first transparent substrate (), a thermochromic device () covering a surface () of the first transparent substrate (), a second transparent substrate (), an electrochromic device () covering a surface () of the second transparent substrate () and a thermally insulating volume () separating the first transparent substrate () and the second transparent substrate (). The thermally insulating volume () is preferably a vacuum volume or a volume () filled with gas.