Electroluminescent device with organic electroluminescent medium
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United States of America Patent
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Oct 29, 1991
Grant Date -
N/A
app pub date -
Jul 26, 1990
filing date -
Jul 26, 1990
priority date (Note) -
Expired
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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.
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