Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chuanjun Xia0
Raymond Kwong0
Suman Layek0
Date of Patent
May 13, 2014
0Patent Application Number
127276150
Date Filed
March 19, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Novel compounds comprising heteroleptic iridium complexes are provided. The compounds have a particular combination of ligands which includes a single pyridyl dibenzo-substituted ligand as exemplified by Formula I, where X is NR, O, S, BR, or Se. The compounds may be used in organic light emitting devices, particularly as emitting dopants, to provide devices having improved efficiency, lifetime, and manufacturing.
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