SILYL-BENZIMIDAZOLO[1,2-A]BENZIMIDAZOLE AS HOST FOR ORGANIC LIGHT EMITTING DIODES

SILYL-BENZIMIDAZOLO[1,2-A]BENZIMIDAZOLE AS HOST FOR ORGANIC LIGHT EMITTING DIODES

The present invention relates to compounds of formula (I) and their use in electronic devices, especially electroluminescent devices. When used as hole transport material in electroluminescent devices, the compounds of formula (I) may provide improved efficiency, stability, manufacturability, or spe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: STENGEL, Ilona, BARDON, Kristina, SCHÄFER, Thomas, HEINEMEYER, Ute, NAGASHIMA, Hideaki
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
ELECTRICITY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to compounds of formula (I) and their use in electronic devices, especially electroluminescent devices. When used as hole transport material in electroluminescent devices, the compounds of formula (I) may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.