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Electrochromic medium having a self-healing cross-linked polymer gel and associated electrochromic device

  • US 6,635,194 B2
  • Filed: 08/28/2001
  • Issued: 10/21/2003
  • Est. Priority Date: 08/28/2001
  • Status: Expired due to Term
First Claim
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1. An electrochromic medium for use in an electrochromic device, comprising:

  • at least one solvent;

    a cathodic electroactive material;

    an anodic electroactive material;

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

    a self-healing cross-linked polymer gel, wherein the self-healing cross-linked polymer gel comprises a product of a first reactant having a cohesive functional group and a second reactant having a cross-linking functional group, wherein the molar ratio of the cohesive functional group to the cross-linking functional group is greater than approximately 3;

    1.

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