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

  • US 6,268,950 B1
  • Filed: 04/28/2000
  • Issued: 07/31/2001
  • Est. Priority Date: 04/02/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. An electrochromic device, comprising:

  • front and rear spaced elements, each having front and rear surfaces and each having 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 perimeter sealing member bonding together said front and rear spaced elements in a spaced-apart relationship to define a chamber therebetween; and

    an electrochromic medium contained within said chamber comprising a free-standing gel, wherein the free-standing gel includes a solvent, a crosslinked polymer matrix, and an electrochromic material.

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