Encapsulated organic light emitting device
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United States of America Patent
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Sep 14, 1999
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N/A
app pub date -
Mar 18, 1997
filing date -
Mar 18, 1997
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Abstract
The invention relates to an encapsulated organic light emitting device having an improved protective covering comprising a first layer of passivating metal, a second layer of an inorganic dielectric material and a third layer of polymer.
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