NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
申请人:LG CHEM, LTD.
公开号:US20190389810A1
公开(公告)日:2019-12-26
The present disclosure relates to a cyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same. The cyclic compound used as a material of an organic material layer of the organic light emitting device, provides improved efficiency, low driving voltage, and improved lifetime characteristics.
The present invention describes indenocarbazole derivatives having electron- and hole-transporting properties, in particular for use in the emission and/or charge-transport layer of electroluminescent devices or as matrix material. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising same.