公开(公告)号：US12082496B2

公开(公告)日：2024-09-03

申请号：US17042652

申请日：2019-03-26

申请人： ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

发明人： Bitnari Kim ,  Sang-Hee Cho ,  Hyo-Jung Lee ,  Ye-Jin Jeon ,  Hyun-Ju Kang ,  Su-Hyun Lee ,  Jeong-Eun Yang

IPC分类号： C09K11/06 ,  C07D209/86 ,  C07D209/88 ,  C07D403/04 ,  C07D403/10 ,  C07D487/16 ,  C07F15/00 ,  C09K11/02 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K101/00

CPC分类号： H10K85/636 ,  C07D209/86 ,  C07D209/88 ,  C07D403/04 ,  C07D403/10 ,  C07D487/16 ,  C07F15/0033 ,  C09K11/02 ,  C09K11/06 ,  H10K85/342 ,  H10K85/633 ,  H10K85/654 ,  H10K85/6572 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H10K50/11 ,  H10K85/615 ,  H10K85/626 ,  H10K2101/90

摘要： The present disclosure relates to a composition material for an organic electroluminescent device, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the composition material for an organic electroluminescent device of the present disclosure, it is possible to provide an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics.

公开(公告)号：US20210119142A1

公开(公告)日：2021-04-22

申请号：US17070136

申请日：2020-10-14

申请人： ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

发明人： Jin-Ri Hong ,  Hyo-Jung Lee ,  Hyo-Soon Park ,  Ye-Jin Jeon ,  Sang-Hee Cho ,  Tae-Jun Han

IPC分类号： H01L51/00 ,  C07D491/048 ,  C09K11/06

摘要： The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.