Organic light-emitting device
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United States of America Patent
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Apr 10, 2012
Grant Date -
Apr 9, 2009
app pub date -
Sep 15, 2006
filing date -
Sep 16, 2005
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Expired
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Abstract
An organic light-emitting device comprising: an anode; a cathode; a light-emitting layer located between the anode and the cathode, said light-emitting layer containing a light-emitting metal complex comprising general formula 1: (1)
- where M represents Re(I), W(0), Ir(III), or Os(II); L1 represents a tridentate ligand; and L2, L3 and L4 represent ligands, characterised in that L1 comprises general formula 2:(2)where R1 represents a bridging group; and Ar1, Ar2 and Ar3 each independently represents a group comprising a heteroaryl ring and * indicates coordination to M.
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