Distributed bragg reflector, organic light emitting element, and multicolour light emitting device
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United States of America Patent
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Jun 29, 2004
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N/A
app pub date -
Aug 31, 2001
filing date -
Nov 26, 1999
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Abstract
A distributed Bragg reflector comprising a stack of alternate layers of a first material and a second material wherein the first and second materials are both organic materials. An organic electroluminescent light emitting element comprising: a transparent substrate, a transparent electrode formed on the substrate, a distributed Bragg reflector formed on the transparent electrode, an organic electroluminescent light emitting material formed on the distributed Bragg reflector, and an electrode formed on the light emitting material.
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