Variable transmission electrochromic window and associated aircraft window system

  • US 8,885,242 B2
  • Filed: 04/11/2014
  • Issued: 11/11/2014
  • 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, the electrochromic medium comprising;

    a solvent;

    an anodic electroactive material;

    a cathodic electroactive material; and

    a cross-linked polymer matrix;

    wherein;

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

    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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