Environmental barrier material for organic light emitting device and method of making
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United States of America Patent
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Feb 18, 2003
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N/A
app pub date -
Oct 25, 1999
filing date -
Dec 16, 1998
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Abstract
An encapsulated organic light emitting device. The device includes a first barrier stack comprising at least one first barrier layer and at least one first polymer layer. There is an organic light emitting layer stack adjacent to the first barrier stack. A second barrier stack is adjacent to the organic light emitting layer stack. The second barrier stack has at least one second barrier layer and at least one second polymer layer. A method of making the encapsulated organic light emitting device is also provided.
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