Organic electricfield illumination-guiding device with increased long-period stability

Organic electricfield illumination-guiding device with increased long-period stability

An organic electroluminescent device with improved long-term stability is disclosed, comprising either a dual layer of a layer I and a layer II or a mixture of the two layers between an EL multilayer and a cathode, the layer I being made of at least one alkali metal, alkaline earth metal, or its com...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OH HYONG-YUN, YOUN CHONG-KEUN, KIM MYUNG-SOP
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:An organic electroluminescent device with improved long-term stability is disclosed, comprising either a dual layer of a layer I and a layer II or a mixture of the two layers between an EL multilayer and a cathode, the layer I being made of at least one alkali metal, alkaline earth metal, or its compound, the layer II being formed of at least one material selected from those having chemical formula I as shown below.