申请人:ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
公开号:US20170005276A1
公开(公告)日:2017-01-05
The present disclosure relates to an electron buffering material, and an organic electroluminescent device comprising a first electrode, a second electrode facing the first electrode, a light-emitting layer between the first electrode and the second electrode, and an electron transport zone and an electron buffering layer between the light-emitting layer and the second electrode. The organic electroluminescent device comprising the electron buffering material of the present disclosure has a low driving voltage, excellent luminous efficiency, and long lifespan.