- 专利标题: A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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申请号: US16972962申请日: 2019-05-09
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公开(公告)号: US20210253586A1公开(公告)日: 2021-08-19
- 发明人: Bit-Na-Ri Kim , Su-Hyun LEE , Doo-Hyeon MOON , Hyo-Soon PARK , Tae-Jun HAN , Sang-Hee CHO
- 申请人: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
- 申请人地址: KR Chungcheongnam-do
- 专利权人: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
- 当前专利权人: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
- 当前专利权人地址: KR Chungcheongnam-do
- 优先权: KR10-2018-0066283 20180608,KR10-2019-0044358 20190416
- 国际申请: PCT/KR2019/005537 WO 20190509
- 主分类号: C07D487/06
- IPC分类号: C07D487/06 ; H01L51/00
摘要:
The present disclosure relates to a plurality of host materials comprising a compound represented by formula 1 and a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the plurality of host materials comprising a specific combination of compounds, it is possible to provide an organic electroluminescent device having long lifespan characteristics.
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