4H-Imidazo[1,2-a]imidazoles for Electronic Applications

The present invention relates to compounds of formulaa process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved effici...

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Bibliographische Detailangaben
Hauptverfasser:	Schaefer, Thomas, Wolleb, Annemarie, Wolleb, Heinz, Wagenblast, Gerhard, Langer, Nicolle, Watanabe, Soichi, Heinemeyer, Ute, Bardon, Kristina, Lennartz, Christian, Figueira Duarte, Teresa Marina, Schildknecht, Christian, Benedito, Flavio Luiz
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HETEROCYCLIC COMPOUNDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY PAINTS POLISHES
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Beschreibung
Zusammenfassung:	The present invention relates to compounds of formulaa process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.