公开(公告)号：US20220109110A1

公开(公告)日：2022-04-07

申请号：US17203153

申请日：2021-03-16

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyo-Soon Park ,  Jeong-Hwan Jeon ,  Sang-Hee Cho ,  Eun-Joung Choi ,  Dong-Gil Kim

IPC: H01L51/00 ,  C07D403/04 ,  C09K11/06 ,  C07D403/10 ,  C07D409/12 ,  C07D409/10 ,  C07D307/91 ,  C07D405/04 ,  C07D409/14

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1, 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 improved driving voltage, luminous efficiency, lifetime properties, and/or power efficiency.

公开(公告)号：US12234219B2

公开(公告)日：2025-02-25

申请号：US17391160

申请日：2021-08-02

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Eun-Joung Choi ,  Hyun-Ju Kang ,  Hong-Yeop Na ,  Su-Hyun Lee ,  Sang-Hee Cho

IPC: C07D401/10 ,  H10K50/11 ,  H10K85/60 ,  H10K101/00 ,  H10K101/40

Abstract: An organic electroluminescent compound and a plurality of host materials produce an organic electroluminescent device having an improved luminous efficiency.

公开(公告)号：US11963439B2

公开(公告)日：2024-04-16

申请号：US17894700

申请日：2022-08-24

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Eun-Joung Choi ,  Young-Kwang Kim ,  Su-Hyun Lee ,  So-Young Jung ,  YeJin Jeon ,  Hong-Se Oh ,  Dong-Hyung Lee ,  Jin-Man Kim ,  Hyun-Woo Kang ,  Mi-Ja Lee ,  Hee-Ryong Kang ,  Hyo-Nim Shin ,  Jeong-Hwan Jeon ,  Sang-Hee Cho

IPC: C09K11/06 ,  C07C211/61 ,  C07D209/08 ,  C07D209/86 ,  C07D213/38 ,  C07D239/26 ,  C07D265/38 ,  C07D307/79 ,  C07D307/91 ,  C07D333/76 ,  C07D345/00 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D491/048 ,  C07D495/04 ,  H10K85/60 ,  H10K50/15

CPC classification number: H10K85/633 ,  C07C211/61 ,  C07D307/91 ,  C07D345/00 ,  C09K11/06 ,  H10K85/636 ,  C07C2603/18 ,  C07C2603/52 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1018 ,  H10K50/156 ,  H10K85/623 ,  H10K85/626 ,  H10K85/657 ,  H10K85/6574

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.