IRIDIUM COMPLEX WITH IMPROVED LUMINESCENT PROPERTIES AND ORGANIC LIGHT-EMITTING DIODES CONTAINING IRIDIUM COMPLEX

An iridium-based complex is provided to realize improved blue light emitting property and light emitting efficiency, and excellent solubility to an organic solvent, heat resistance and interfacial characteristics with an electrode. An iridium-based complex contains a pyridine derivative substituted...

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Main Authors JUNG, OK SANG, HUH, YOUNG MIN, KIM, YOUNG INN, HYUN, MYUNG HO, SHIN, WON SUK, YOON, UNG CHAN, JIN, SUNG HO
Format Patent
LanguageEnglish
Published 25.06.2008
Subjects
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Summary:An iridium-based complex is provided to realize improved blue light emitting property and light emitting efficiency, and excellent solubility to an organic solvent, heat resistance and interfacial characteristics with an electrode. An iridium-based complex contains a pyridine derivative substituted with a C1-C20 alkyl group or C1-C20 alkoxy group and an aryl derivative substituted with a halogen compound, introduced thereto as main ligands. The iridium complex is represented by the following formula 1, wherein R1 is a C1-C20 alkyl group or C1-C20 alkoxy group; Ar is an aryl group; R2 is halogen; and the formula (a) is picolinic acid-B-oxide, pipecolinic acid, anthranilic acid or pyrazinoic acid.
Bibliography:Application Number: KR20060130554