Organic electroluminescent element and manufacturing method thereof, and phosphorus-containing organic compound and manufacturing method thereof
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United States of America Patent
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Aug 2, 2016
Grant Date -
Nov 7, 2013
app pub date -
May 15, 2013
filing date -
Apr 20, 2004
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Abstract
An organic electroluminescent element comprising an anode, a cathode and a plurality of organic compound layers sandwiched between the anode and cathode, the organic compound layers including: a hole-transporting layer made of an organic compound insoluble in alcohols; and an electron-transporting layer formed on the hole-transporting layer by a wet method, the electron-transporting layer being made of a phosphorus-containing organic compound soluble in the alcohols.
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