Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Raymond Kwong0
Bin Ma0
Jason Brooks0
Robert Walters0
Date of Patent
February 19, 2008
Patent Application Number
10859796
Date Filed
June 3, 2004
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An organic light emitting device is provided. The device has an anode, a cathode, and an organic layer disposed between the anode and the cathode. The organic layer comprises an emissive material having a transition metal and two or three bidentate ligands, which may be photoactive ligands. The bidentate photoactive ligands may be bound to the transition metal through a carbon-metal bond and a nitrogen-metal bond to form a cyclometallated ring. The organic layer may have the formula LXa-(L)bM, wherein X is a linking group that links two or more ligand L and M is a metal.
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