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:
Sep. 16, 2003
Filed:
Jul. 17, 2002
Xue Yun Lin, Fontenay Aux Roses, FR;
Corinne Papret, Antony, FR;
Saint-Gobain Glass France, Courbevoie, FR;
Abstract
The subject of the invention is an electrically controllable system having variable light scattering and/or transmission, comprising a functional film ( ) provided with electrically conducting layers ( ), the said film having active elements in the form of polarizing particles, or of liquid crystals associated with dichroic dyes, and in suspension in a medium. The said system is provided with one or more means preventing/compensating for degradation by photoreduction of at least some of the active elements, especially degradation of the dichroic dyes and/or that of the polarizing particles.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile