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Color-stabilized electrochromic devices

  • US 6,310,714 B1
  • Filed: 08/31/2000
  • Issued: 10/30/2001
  • Est. Priority Date: 08/19/1999
  • Status: Expired due to Term
First Claim
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1. An electrochromic medium for use in a normally operating electrochromic device, comprising:

  • (a) an anodic material and a cathodic material, wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic; and

    (b) a color-stabilizing additive, wherein the color-stabilizing additive is more easily reduced than the cathodic material, and wherein the color-stabilizing additive is not strongly colored.

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