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Architectural electrochromic pane

  • US 5,889,608 A
  • Filed: 06/12/1997
  • Issued: 03/30/1999
  • Est. Priority Date: 05/21/1992
  • Status: Expired due to Fees
First Claim
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1. An electrically controllable solar building pane, comprising:

  • a) an external electrochromic first panel comprising;

    i) a first glass sheet;

    ii) an electrochromic stack of functional films comprising;

    a) a transparent electrically conducting film;

    b) a cathodic electrochromic material film;

    c) an ion-conducting film;

    d) an anodic electrochromic material film; and

    e) a transparent electrically conducting film;

    iii) a second glass sheet; and

    b) a second panel,wherein said first and second panels are spaced apart by a layer of intermediate gas, said first glass sheet is a laminated pane comprising at least two glass sheets bonded together by an organic polymer which is filtering to ultra-violet radiation, said first glass sheet or said second glass sheet comprises an electrically conducting screen-printed region, wherein said screen-printed region is protected by a film of electrically non-conducting enamel.

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