ORGANIC ELECTROLUMINESCENT DEVICE
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United States of America Patent
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Issued Date -
Jan 1, 2009
app pub date -
Apr 3, 2008
filing date -
Apr 3, 2007
priority date (Note) -
Abandoned
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Abstract
An organic electroluminescent device includes an anode, a cathode and an organic functional layer between the anode and the cathode, in which at least one of hole injection layer, hole transport layer and electron transport layer includes a host material and an inorganic inactive material doped in the host material, and the inorganic inactive material is a halide, oxide or carbonate of metal.
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