Electrochromic devices

  • US 4,573,768 A
  • Filed: 12/05/1983
  • Issued: 03/04/1986
  • Est. Priority Date: 12/05/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. An electrochromic device comprising in combination an electronic conductor, an electrochromic material in contact with said conductor, a solid electrolyte formed as a solution phase blend in a mutually miscible solvent of an organic polymer and a heteropoly acid or salt thereof disposed on said electrochromic material and a counter-electrode in contact with said solid electrolyte.

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