Organic electroluminescent devices
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United States of America Patent
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Jul 23, 2002
Grant Date -
Nov 29, 2001
app pub date -
Feb 25, 1999
filing date -
Mar 2, 1998
priority date (Note) -
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Abstract
An organic electroluminescent device includes at least one light emission layer from an organic compound, the light emission layer being positioned between an anode electrode and a cathode electrode opposed to the anode electrode, in which an organic layer positioned adjacent to the anode electrode is from an organic compound which includes, as an electron-accepting dopant, an electron-accepting compound having a property of oxidizing the organic compound of said organic layer, said electron-accepting compound being doped to said organic layer in vacuum with a simultaneous evaporation method.
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