Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Denis Y. Kondakov0
Tommie L. Royster, Jr.0
Christopher T. Brown0
Date of Patent
May 4, 2010
0Patent Application Number
113028840
Date Filed
December 14, 2005
0Patent Primary Examiner
Patent abstract
An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer containing a phosphorescent emitter and a host comprising a first aluminum or gallium complex containing at least one 2-(2-hydroxyphenyl)pyridine ligand and at least one phenoxy ligand,wherein the phenoxy ligand is substituted by an amine or there is further present adjacent to the light-emitting layer on the cathode side a layer containing a second aluminum or gallium complex containing at least one 2-(2-hydroxyphenyl)pyridine ligand and at least one phenoxy ligand.
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