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O2 and h2o barrier material

  • US 20040209126A1
  • Filed: 11/17/2003
  • Published: 10/21/2004
  • Est. Priority Date: 05/04/2001
  • Status: Active Grant
First Claim
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1. A method of making a flexible barrier material to prevent the passage of water and oxygen to a device which incorporates organic display material, said method comprising the steps of:

  • providing a polymer layer;

    depositing an inorganic barrier layer on the polymer layer by ion-assisted sputtering or evaporation; and

    depositing a second polymer layer on said inorganic layer, whereby a composite barrier material is provided that can be associated with an electronic display device to prevent degradation of the properties thereof as a result of passage of water and/or oxygen.

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