The present disclosure relates to an organic electroluminescent device comprising a light-emitting layer and a hole transport zone. By comprising a specific combination of a light-emitting layer and a hole transport zone, it is possible to provide an organic electroluminescent device having low driving voltage, high luminous efficiency and/or long lifespan properties.
NOVEL COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING SAME
申请人:LG Chem, Ltd.
公开号:EP2725080B1
公开(公告)日:2018-01-24
ORGANIC ELECTROLUMINESCENT DEVICE
申请人:Rohm and Haas Electronic Materials Korea Ltd.
公开号:US20170207396A1
公开(公告)日:2017-07-20
The present invention relates to an organic electroluminescent device. The organic electroluminescent device of the present invention shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.