Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 23, 2011
Patent Application Number
12373124
Date Filed
June 28, 2007
Patent Primary Examiner
Patent abstract
The present invention provides an electrochromic display device which can realize a reduction in color drift in storing images and has excellent memory properties. The electrochromic display device is an active matrix drive-type electrochromic display device containing opposed electrodes, at least one type of a porous layer containing titanium oxide with an electrochromic dye adsorbed thereon, and at least one type of a porous layer containing tin oxide. The active matrix drive-type electrochromic display device is characterized in that the tin oxide-containing porous layer is connected to a pixel circuit used in active matrix drive through one of the opposed electrodes.
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