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:
Aug. 31, 2004
Filed:
Sep. 01, 2000
Applicant:
Inventors:
Horst Berneth, Leverkusen, DE;
Uwe Claussen, Leverkusen, DE;
Ralf Neigl, Elmsford, NY (US);
Wolfgang Jacobsen, Köln, DE;
Assignee:
Bayer Healthcare AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/155 ;
U.S. Cl.
CPC ...
G02F 1/155 ;
Abstract
The invention describes an electrochromic display element in the form of an electrically dimmable mirror, an optical filter having an electrically alterable transparency or a display element which contains an electrochromic liquid between two electrode sheets, where at least one of the electrode sheets is transparent and has a transparent, electrically conductive layer and the transparent electrode sheet has a pattern of strips or grid made of a material having metallic conductivity in order to produce a uniform coloration of the electrochromic liquid.