Passivation of electroluminescent organic devices
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United States of America Patent
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Sep 22, 1998
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app pub date -
Nov 30, 1995
filing date -
Nov 30, 1995
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Abstract
A method of passivating electroluminescent organic devices positioned on a supporting substrate including the steps of overcoating or capping the individual pixels, which form an array of electroluminescent organic devices, with a layer of stable metal, overcoating the layer of stable metal with a buffer system including a buffer layer of organic material and a thermal coefficient matching layer on the buffer layer, depositing a low permeability inorganic layer over the thermal coefficient matching layer, and sealing the electroluminescent organic device with an epoxy encapsulant or polymer laminated aluminum foil.
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