White-emitting compounds using excited-state intramolecular proton transfer, organic electroluminescent element and laser material using the same
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United States of America Patent
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Oct 29, 2013
Grant Date -
Feb 23, 2012
app pub date -
Apr 21, 2010
filing date -
Apr 21, 2009
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Abstract
Provided are a white-emitting monomolecular compound using excited-state intramolecular proton transfer (ESIPT) characteristics, and an organic electroluminescence device and a laser device comprising same. The white-emitting monomolecular compound according to the present invention is prepared by covalently bonding at least two types of molecules which produce different colors and have excited-state intramolecular proton transfer (ESIPT) characteristics. The white-emitting monomolecular compound according to the present invention achieves white luminescence irrespective of the concentration thereof and of the state of the materials thereof, and therefore can be used in a variety of fields including an organic electroluminescence device and a laser device.
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