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:
Apr. 03, 2001
Filed:
Dec. 17, 1998
Applicant:
Inventors:
Andris Azens, Uppsala, SE;
Guntars Vaivars, Riga, LV;
Monica Veszelei, Uppsala, SE;
Lisen Kullman, Uppsala, SE;
Claes-Goran Granqvist, Uppsala, SE;
Assignee:
Forkarpatent 1 Uppsala AB, Uppsala, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/153 ;
U.S. Cl.
CPC ...
G02F 1/153 ;
Abstract
An electrochromic device (,) for windows, displays, rear view mirrors, eye wear and other applications includes three layers (,), (,) and (,) of electrochromic materials and an electrolyte, with the transmittance of the layers (,) and (,) being variable by an applied electrical field, and protective layer (,) being transparent and not contributing to the coloration/bleaching of device. The protective layer (,) is made of the same electrochromic material as the electrochromic layer on the opposing side of the electrolyte.