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:
Nov. 03, 1998
Filed:
Mar. 01, 1996
Shigeru Hashimoto, Yokohama, JP;
Junji Terada, Hiratsuka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electrochromic device and a method for manufacturing the same, which device at least comprises a pair of opposed transparent substrates provided with a pair of opposed transparent electrodes therebetween; and an oxidative coloring electrochromic layer, a layer comprising an oxidative coloring electrochromic material and a metal oxide, a transparent ion conductive layer, and a reductive coloring electrochromic layer provided between the pair of transparent electrodes. Thereby, an electrochromic device can be provided, which device exhibits high optical transmittance during discoloring and shows excellent response speed and repeated-durability when being driven at high contrast ratio.