Organic electroluminescent element
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Jul 8, 2011
filing date -
Jul 9, 2010
priority date (Note) -
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Abstract
Disclosed is an organic electroluminescent element which has high luminous efficiency, a low driving voltage, high durability in a high-current-density region, and little change in chromaticity before and after the driving in a high-current-density region. Specifically disclosed is an organic electroluminescent element comprising a pair of electrodes composed of an anode and a cathode, a light-emitting layer arranged between the electrodes, and at least one organic layer arranged between the light-emitting layer and the anode, wherein the light-emitting layer contains, for example, a compound (A), and at least one organic layer arranged between the light-emitting layer and the cathode contains, for example, a compound (a-3).
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