ORGANIC LIGHT EMITTING DEVICE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Dec 2, 2014
filing date -
Dec 3, 2013
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Abandoned
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Abstract
An organic light emitting device containing a multilayer stack structure including n stacks between an anode and a cathode is described, wherein the respective stacks comprise a hole transport layer, a light emitting layer and an electron transport layer, an n-type charge generation layer and a p-type charge generation layer respectively provided between the different adjacent stacks, wherein the p-type charge generation layer comprises an indenofluorenedione derivative represented by Formula 1 or an imine derivative represented by Formula 2 or 3.
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