Electroluminescent device with organic electroluminescent medium
First Claim
1. An internal junction organic electroluminescent device comprising in sequence, an anode, an organic hole injecting and transporting zone comprised of a layer containing a hole transporting aromatic tertiary amine, an organic electron injecting and transporting zone, and a cathode, characterized in thatsaid hole transporting aromatic tertiary amine is comprised of at least two tertiary amine moieties and includes attached to a tertiary amine nitrogen atom an aromatic moiety containing at least two fused aromatic rings.
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Abstract
An internal junction organic electroluminescent device is disclosed comprising in sequence, an anode, an organic hold injecting and transporting zone, an organic electron injecting and transporting zone, and a cathode. The hole injecting and transporting zone includes a tertiary amine containing at least two tertiary amine moieties and including attached to a tertiary amine nitrogen atom an aromatic moiety containing at least two fused aromatic rings.
1227 Citations
23 Claims
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1. An internal junction organic electroluminescent device comprising in sequence, an anode, an organic hole injecting and transporting zone comprised of a layer containing a hole transporting aromatic tertiary amine, an organic electron injecting and transporting zone, and a cathode, characterized in that
said hole transporting aromatic tertiary amine is comprised of at least two tertiary amine moieties and includes attached to a tertiary amine nitrogen atom an aromatic moiety containing at least two fused aromatic rings.
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17. 4'"'"'-bis{N-phenyl-N-[4-(1-naphthyl)phenyl]-amino}biphenyl;
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4,4'"'"'-bis[N-phenyl-N-(2-pyrenyl)amino]biphenyl; 2,6-bis[N,N-di(2-naphthyl)amine]fluorene; and 1,5-bis[N-(1-naphthyl)-N-phenylamino]naphthalene. - View Dependent Claims (19)
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Specification