Electrochromic mirror with two thin glass elements and a gelled electrochromic medium

  • US 6,934,067 B2
  • Filed: 04/03/2002
  • Issued: 08/23/2005
  • Est. Priority Date: 04/02/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An electrochromic device, comprising:

  • front and rear spaced elements, each having front and rear surfaces, wherein at least one of said front and rear spaced elements comprises a thickness ranging from about 0.5 mm to about 1.5 mm;

    a layer of transparent conductive material associated with at least one of said front and rear spaced elements;

    a seal member associated with said front and rear spaced elements, wherein said seal member comprises an epoxy resin at least partially cured with a cycloaliphatic amine; and

    an electrochromic medium contained within a chamber disposed between said front and rear spaced elements which comprises a free-standing gel, wherein the free-standing gel includes a solvent, a crosslinked polymer matrix, and an electrochromic material.

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