公开(公告)号：US20230131195A1

公开(公告)日：2023-04-27

申请号：US17896497

申请日：2022-08-26

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Young-Kwang KIM ,  Jeong-Eun YANG ,  Hong-Se OH ,  Hee-Ryong KANG ,  Joon-Hyung KIL ,  Eun-Joung CHOI ,  YeJin JEON ,  Dong-Hyung LEE ,  Hyun-Woo KANG

IPC: C07C211/54 ,  C07D209/82 ,  C07D333/76 ,  C07D307/91 ,  C07D213/74 ,  C07D405/12 ,  C07D239/42 ,  C07D407/12 ,  C07D345/00 ,  H01L51/00 ,  H01L51/50

Abstract: 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, it is possible to provide an organic electroluminescent device having improved current efficiency and/or lifetime properties.

公开(公告)号：US20230157156A1

公开(公告)日：2023-05-18

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: H01L51/00 ,  C07C211/61 ,  C09K11/06 ,  C07D307/91 ,  C07D345/00

CPC classification number: H01L51/006 ,  C07C211/61 ,  C09K11/06 ,  C07D307/91 ,  H01L51/0061 ,  C07D345/00 ,  H01L51/5064

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.

公开(公告)号：US20240276872A1

公开(公告)日：2024-08-15

申请号：US18404236

申请日：2024-01-04

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： So-Young JUNG ,  Tae-Jun HAN ,  YeJin JEON ,  Seung-Hyun YOON ,  Young-Jae KIM ,  Hyun-Ju KANG ,  Bitnari KIM ,  Sang-Hee CHO

IPC: H10K85/60 ,  C07D209/88 ,  C07D405/04 ,  C07D405/12 ,  C09K11/06

CPC classification number: H10K85/622 ,  C07D209/88 ,  C07D405/04 ,  C07D405/12 ,  C09K11/06 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K2101/90

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by Formula 1 and at least one second host compound represented by Formula 3 different from the first host compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or significantly improved lifespan characteristic, can be provided.

公开(公告)号：US20240298528A1

公开(公告)日：2024-09-05

申请号：US18433577

申请日：2024-02-06

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： So-Young JUNG ,  Tae-Jun HAN ,  YeJin JEON ,  Dong-Gil KIM ,  Young-Jae KIM ,  Hyun-Ju KANG ,  Sang-Hee CHO ,  Bitnari KIM

IPC: H10K85/60 ,  C07D413/12 ,  C09K11/06 ,  H10K50/11 ,  H10K101/00

CPC classification number: H10K85/636 ,  C07D413/12 ,  C09K11/06 ,  H10K85/622 ,  H10K85/626 ,  H10K85/654 ,  H10K85/6574 ,  C09K2211/1018 ,  H10K50/11 ,  H10K85/657 ,  H10K85/6572 ,  H10K2101/90

Abstract: 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, an organic electroluminescent device having a lower driving voltage and/or higher luminous efficiency and/or improved lifespan properties compared to a conventional organic electroluminescent device may be provided.