申请人:ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
公开号:US11387417B2
公开(公告)日:2022-07-12
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.
本公开涉及一种由发光层和空穴传输区组成的有机电致发光器件。通过发光层和空穴传输区的特定组合,可以提供一种具有低驱动电压、高发光效率和/或长使用寿命特性的有机电致发光器件。