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:
Oct. 04, 2005
Filed:
Mar. 31, 2003
Akihiko Fukazawa, Fujieda, JP;
Chihiro Minami, Fujieda, JP;
Akihiko Fukazawa, Fujieda, JP;
Chihiro Minami, Fujieda, JP;
Murakami Corporation, Shizuoka, JP;
Abstract
The present invention provides an electrochromic device in which a color during the coloring mode is gray. A lower ITO transparent electrode filmconstituting a lower electrode film is formed on a transparent glass substrate. On the lower ITO transparent film, a nickel oxides filmconstituting an oxidation coloring layer, a tantalum oxide filmconstituting a solid-state electrolyte layer, a mixture filmof tungsten oxide and titanium oxide constituting a reduction coloring layer and an lower ITO transparent electrode filmconstituting a upper electrode film are formed sequentially. The color during the coloring mode is gray and the color during the bleaching mode is achromatic.