ORGANIC LIGHT-EMITTING ELEMENT

PROBLEM TO BE SOLVED: To provide an organic light-emitting element having high light-emitting efficiency in which a material contained in an intermediate layer never emits light. SOLUTION: The organic light-emitting element has: a light-emitting layer containing high molecular compound between a cat...

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Bibliographic Details
Main Author YAMAUCHI SHOGO
Format Patent
LanguageEnglish
Published 02.07.2009
Subjects
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
DYES
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
SEMICONDUCTOR DEVICES
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Summary:PROBLEM TO BE SOLVED: To provide an organic light-emitting element having high light-emitting efficiency in which a material contained in an intermediate layer never emits light. SOLUTION: The organic light-emitting element has: a light-emitting layer containing high molecular compound between a cathode and an anode; and an intermediate layer having ≥1×103number average molecular weight converted into polystyrene between the anode and the light-emitting layer, containing an aliphatic compound having a group expressed by formula (1): -CO-R [wherein R denotes an alkyl group, alkoxy group or hydroxy group] and contacting the light-emitting layer. As the aliphatic compound, polymethylmetacrylate is used. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070320557