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Electrochromic device and method for manufacturing electrochromic device

  • US 10,698,285 B2
  • Filed: 06/10/2019
  • Issued: 06/30/2020
  • Est. Priority Date: 06/09/2014
  • Status: Active Grant
First Claim
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1. A method for manufacturing an electrochromic device, the method comprising:

  • providing at least two substrates having a space therebetween;

    preparing a dispersion phase comprising a polymer;

    preparing a dispersion medium comprising a liquid solvent, a cathodic component, an anodic component, a polymerizable mixture, and a polymerization thermal activator;

    combining the dispersion phase and the dispersion medium to form an electrochromic composition comprising a colloidal dispersion in which the polymer is dispersed in the dispersion medium;

    filling the space with the electrochromic composition; and

    after combining the dispersion phase and the dispersion medium and after filling the space, polymerizing the polymerizable mixture in the colloidal dispersion in the presence of the polymer dispersed in the dispersion medium.

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