Organic electroluminescent element, method of manufacturing organic electroluminescent element, lighting device, and display device
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United States of America Patent
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Apr 23, 2013
Grant Date -
Jul 8, 2010
app pub date -
Mar 22, 2007
filing date -
Mar 30, 2006
priority date (Note) -
Expired
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Abstract
An objective in the present invention is to provide an organic EL element exhibiting high emission efficiency and long lifetime, together with a lighting device and a display device thereof. In the present invention, disclosed is an organic electroluminescent element comprising a support substrate provided thereon an anode and a cathode, the organic electroluminescent element comprising an organic layer containing a reactive organic compound between the anode and the cathode, wherein the reactive organic compound contained in the organic layer has nonuniform concentration at any point in time between termination of a process of preparing the organic electroluminescent element and a start of electricity application to the organic electroluminescent element.
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