Electro-Optical Element Including IMI Coatings

  • US 20070206263A1
  • Filed: 03/05/2007
  • Published: 09/06/2007
  • Est. Priority Date: 03/03/2006
  • Status: Active Grant
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First Claim
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1. An electrochromic element comprising:

  • a first substrate having a first surface and a second surface opposite the first surface;

    a second substrate in spaced apart relationship to the first substrate and having a third surface facing the second surface and a fourth surface opposite the third surface;

    an electrochromic medium located between the first and second substrates, wherein the electrochromic medium has a light transmittance that is variable upon the application of an electric field thereto; and

    a transparent electrode layer covering at least a portion of at least a select one of the second surface and the third surface wherein the transparent electrode layer comprises a first insulator layer, at least one metal layer and a second insulator layer, and wherein the electrochromic element displays a color rendering index of greater than or equal to 80.

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