ELECTROLUMINESCENT DEVICE USING ELECTROLUMINESCENT COMPOUND AS LUMINESCENT MATERIAL
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United States of America Patent
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Issued Date -
Feb 27, 2014
app pub date -
Jul 29, 2011
filing date -
Jul 30, 2010
priority date (Note) -
Abandoned
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Abstract
Provided is an organic electroluminescent device that exhibits an efficient host-dopant energy transfer mechanism, and thus, expresses a certain high-efficiency electroluminescent performance, based on improved electron density distribution. The organic electroluminescent device also overcomes low initial efficiency and short operation life property, and secures high-performance electroluminescent performance with high efficiency and long life property for each color.
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