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Electrochromic edge isolation-interconnect system, process, and device for its manufacture

  • US 5,657,150 A
  • Filed: 01/13/1994
  • Issued: 08/12/1997
  • Est. Priority Date: 09/10/1993
  • Status: Expired due to Term
First Claim
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1. An electrochromic device comprising:

  • a substrate having an expanse and a peripheral edge region;

    a first electrode layer applied to the substrate and extending substantially across the expanse and wrapping around the peripheral edge region;

    an electrochromic layer applied to the first electrode, the first electrode layer physically isolating the electrochromic layer from the substrate;

    a second electrode layer applied to the electrochromic layer and extending substantially across the expanse and wrapping around the peripheral edge region, the electrochromic layer physically isolating the second electrode layer from the first electrode layer;

    a first contact electrically connected to the first electrode layer along the peripheral edge region;

    an isolative barrier applied to the first electrode layer and extending along a perimeter of the peripheral edge region;

    a second contact electrically connected to the second electrode layer along the peripheral edge region; and

    the isolative barrier electrically isolating the first contact from the second electrode layer and electrically isolating the second contact from the first electrode layer.

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