A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
申请人:ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
公开号:US20210028373A1
公开(公告)日:2021-01-28
The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as a host material, it is possible to provide an organic electroluminescent device having an improved lifespan property, compared to conventional organic electroluminescent devices.
本公开涉及多种宿主材料,包括第一种宿主材料,其包括由公式1表示的化合物,以及第二种宿主材料,其包括由公式2表示的化合物,以及包括它们的有机电致发光器件。通过采用一种特定的化合物组合作为宿主材料,相比传统的有机电致发光器件,可以提供具有改善寿命特性的有机电致发光器件。