HETEROCYCLIC BRIDGED BIPHENYLS

The present invention relates to compounds of the formula (I), a process for their preparation and their use in organic light emitting diodes (OLEDs), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RICCI, ANDREA, BARDON, KRISTINA, SCHÄFER, THOMAS, SCHMIDHALTER, BEAT, MURER, PETER, WENDEBORN, FRÉDÉRIQUE, POMMEREHNE, JOERN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY ELECTRICITY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The present invention relates to compounds of the formula (I), a process for their preparation and their use in organic light emitting diodes (OLEDs), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or special characteristics of electroluminescent devices.