公开(公告)号：US20220251051A1

公开(公告)日：2022-08-11

申请号：US17610983

申请日：2019-05-22

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD. ,  ROHM AND HAAS ELECTRONIC MATERIALS SHANGHAI LTD.

Inventor： Chi-Sik KIM ,  Soo-Yong LEE ,  Dong Hyung LEE ,  Yuchen LIU

IPC: C07D263/57 ,  H01L51/00 ,  C07D413/10 ,  C07D493/04 ,  C07D277/66 ,  C07D417/10 ,  C07D487/14 ,  C07D209/88 ,  C07D209/86 ,  C07D307/91 ,  C07F1/02 ,  C07D519/00

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having an operating voltage lower than that of a conventional organic electroluminescent device and thus achieving higher power efficiency.

公开(公告)号：US20190221758A1

公开(公告)日：2019-07-18

申请号：US16327877

申请日：2017-09-20

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD

Inventor： Bitnari KIM ,  Hyun KIM ,  Dong Hyung LEE

IPC: H01L51/00

CPC classification number: H01L51/0085 ,  C07D487/04 ,  C09K11/06 ,  H01L51/0052 ,  H01L51/0072 ,  H01L51/5016 ,  H05B33/14

Abstract: The present disclosure relates to an organic electroluminescent material comprising at least two types of compounds and an organic electroluminescent device comprising the same. The organic electroluminescent device having better color purity than a conventional organic electroluminescent device can be provided by comprising the specific combination of the compounds of the present disclosure.