Organic electroluminescent element
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United States of America Patent
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Aug 23, 2016
Grant Date -
Jan 21, 2016
app pub date -
Feb 15, 2013
filing date -
Feb 15, 2012
priority date (Note) -
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Abstract
To provide an organic electroluminescent element that can attain efficiency improvement by forming an electron injection layer by a film that is stable and excellent in uniformity, and forming a charge generation layer capable of effectively exhibiting the function. In an organic electroluminescent element provided with at least one organic layer between a pair of electrodes, an electron injection layer comprising a ZnO-containing layer, and a charge generation layer containing an electron acceptor-containing film in contact with the cathode side thereof and an electron donor-containing film adjacent thereto are formed.
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