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. 17, 1998
Filed:
Oct. 24, 1995
Pierre-Marc Allemand, Tucson, AZ (US);
F Randall Grimes, Tucson, AZ (US);
Anoop Agrawal, Tucson, AZ (US);
Barbara A Bigelow, Tucson, AZ (US);
Andrew R Ingle, Tucson, AZ (US);
Donnelly Corporation, Holland, MI (US);
Abstract
An electrochromic device is disclosed having a conducting electrode opposing a counter conducting electrode with an electrochemically active polymeric layer disposed on an opposing surface of one of said electrodes and an electrolyte containing at least one redox active material contactingly disposed between the electrochemically active layer and an other opposing surface of one of said electrodes, wherein at least one of the electrodes is transparent. Also disclosed is an electrochromic device that exhibits low light transmission or reflectivity with no applied potential or after removal of an applied potential.