公开(公告)号：US20210193932A1

公开(公告)日：2021-06-24

申请号：US17118120

申请日：2020-12-10

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Chi-Sik Kim ,  Hyun KIM ,  Kyoung-Jin PARK ,  Jin-Man KIM ,  Hyun-Woo KANG ,  So-Young JUNG

IPC: H01L51/00 ,  C07D405/14 ,  C09K11/02

Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having improved driving voltage and/or luminous efficiency and/or lifespan characteristics can be provided, compared with the organic electroluminescent device comprising a conventional organic electroluminescent compound.

公开(公告)号：US20200266365A1

公开(公告)日：2020-08-20

申请号：US16652713

申请日：2018-11-07

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyun KIM ,  Hong-Yeop NA ,  Yeon-Gun LEE ,  Jeong-Hwan JEON ,  Seung-Ae KIM

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: The present disclosure relates to an organic electroluminescent compound for near-IR light emission, an organic electroluminescent material 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 with near-IR light emission.

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.