- 专利标题： A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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申请号： US16924332申请日： 2020-07-09
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公开(公告)号： US20210028373A1公开(公告)日： 2021-01-28
- 发明人: Bitnari KIM , Su-Hyun LEE , So-Young JUNG , Doo-Hyeon MOON , Du-Yong PARK , Sang-Hee CHO , Hae-Yeon KIM
- 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： KR10-2019-0087143 20190718,KR10-2020-0056910 20200513
- 主分类号： H01L51/00
- IPC分类号： H01L51/00 ; C07D487/04 ; C09K11/06 ; C07D209/94 ; C07D487/16 ; C07D409/04 ; C07D405/10 ; C07D409/10 ; C07D251/24
摘要：
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.
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