LIGHT EMITTING MATERIAL AND ORGANIC LIGHT EMITTING DEVICE USING SAME
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United States of America Patent
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Dec 10, 2015
app pub date -
Jan 22, 2014
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Jan 23, 2013
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Abstract
An organic light emitting device containing a compound represented by the following general formula in a light emitting layer have a high light emission efficiency. In the general formula (1), R1 and R2 represent carbazolyl, aryl, heteroaryl, alkyl or cycloalkyl; R5 and R6 represent alkyl; R7, R8 and R9 represent aryl, alkyl or carbazolyl; R10 represents carbazolyl which may be substituted with carbazolyl, aryl, heteroaryl, alkyl or cycloalkyl; n1, n2, n6 and n7 represent an integer of from 0 to 4; n5 represents an integer of from 0 to 3; n8 and n9 represent an integer of from 0 to 5; and n10 represents 0 or 1.
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