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. 12, 1999
Filed:
Jul. 01, 1996
Nippom Oil Co., Ltd, Tokyo, JP;
Abstract
An electrochromic device having a pair of electrically conductive counter plates, an ion conductive material placed between the electrically conductive counter plates, a layer containing an electrochromic material provided in at least one of locations between the ion conductive material and the electrically conductive counter plates, at least one of the electrically conductive counter plates being a transparent electrically conductive plate having a transparent substrate and a transparent electrode disposed inside the transparent substrate, and at least one of the transparent electrically conductive plate having an ultraviolet absorbing layer containing an organic ultraviolet absorber between the transparent substrate and the transparent electrode.