Variable transmission electrochromic window and associated aircraft window system

  • US 8,736,943 B2
  • Filed: 01/17/2012
  • Issued: 05/27/2014
  • Est. Priority Date: 01/17/2012
  • Status: Active Grant
First Claim
Patent Images

1. A variable transmission electrochromic window, comprising:

  • a first substantially transparent substrate having an electrically conductive material associated therewith;

    a second substantially transparent substrate having an electrically conductive material associated therewith;

    an electrochromic medium contained within a chamber positioned between the first and second substrates which comprises;

    at least one solvent;

    a first anodic electroactive material;

    a second anodic electroactive material;

    at least one cathodic electroactive material; and

    wherein at least one of the anodic and cathodic electroactive materials is electrochromic; and

    wherein the electrochromic window exhibits an Ev of less than approximately 20 while in a low transmission state during normal daylight conditions.

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