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

摘要

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.