Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher T. Brown0
Zbyslaw R. Owczarczyk0
Viktor V. Jarikov0
Date of Patent
November 27, 2007
0Patent Application Number
108138330
Date Filed
March 31, 2004
0Patent Primary Examiner
Patent abstract
An electroluminescent device comprises a light-emitting layer containing a host and a light-emitting material wherein the light-emitting material comprises a boron complex containing boron complexed by two ring nitrogens of a deprotonated bis(aromatic)amine or bis(aromatic)methene ligand wherein the boron complex contains a tertiary amine substituent group. The invention provides a material for a light-emitting layer of an EL device that exhibits improved luminance efficiency.
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