CHARGE-TRANSPORTING MATERIAL AND ORGANIC ELECTROLUMINESCENCE DEVICE
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United States of America Patent
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Issued Date -
May 24, 2012
app pub date -
Jul 27, 2010
filing date -
Jul 31, 2009
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Abandoned
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Abstract
A charge-transporting material contains a compound represented by the following formula (1) in an organic layer, in which the contents of specific halogen-containing compounds are 0.1% or less to the compound represented by formula (1). In formula (1), each of A1 and A2 independently represents N, —CH or —CR; R represents a substituent; L represents a single bond, an arylene group, a cycloalkylene group or an aromatic heterocyclic group; each of R1 to R5 independently represents a substituent; each of n1, n2 and n3 independently represents an integer of 0 to 4; each of n4 and n5 independently represents an integer of 0 to 5; and each of p and q independently represents an integer of 1 to 4.
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