公开(公告)号：US20220037596A1

公开(公告)日：2022-02-03

申请号：US17347249

申请日：2021-06-14

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD. ,  DuPont Electronics, Inc.

Inventor： Yoo-Jin DOH ,  Chi-Sik KIM ,  Soo-Yong LEE ,  Seung-Hoon YOO ,  Viacheslav V DIEV ,  Charles D McLaren ,  Yunlong Zou ,  Mi-Ran SEO ,  Denis Yurievich Kondakov

IPC: H01L51/00 ,  C07D307/77 ,  C09K11/06

Abstract: The present disclosure relates to a plurality of light-emitting materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material and/or a dopant material, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties compared to conventional organic electroluminescent devices.

公开(公告)号：US20230255102A1

公开(公告)日：2023-08-10

申请号：US18152350

申请日：2023-01-10

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Yoo-Jin DOH ,  Mi-Ran SEO ,  Chi-Sik KIM ,  Soo-Yong LEE ,  Kyung-Hoon CHOI ,  Seung-Hoon YOO ,  Hae-Yeon KIM ,  Young-Kwang KIM

IPC: H10K85/60 ,  H10K50/11

CPC classification number: H10K85/615 ,  H10K50/11 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576

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 2, wherein the first host compound and the second host compound are different from each other, and an organic electroluminescent device comprising the same. In addition, present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, wherein the first host compound and the second host compound are represented by formula 2′, and wherein the first host compound and the second host compound are different from each other, and an organic electroluminescent device comprising the same. An organic electroluminescent device with significantly improved driving voltage, current efficiency and/or lifespan properties can be provided by comprising a specific combination of compounds according to the present disclosure as host materials.

公开(公告)号：US20220140247A1

公开(公告)日：2022-05-05

申请号：US17516965

申请日：2021-11-02

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Yoo-Jin DOH ,  Chi-Sik KIM ,  Dong-Hyung LEE ,  Kyung-Hoon CHOI ,  Mi-Ran SEO ,  Soo-Yong LEE ,  Seung-Hoon YOO ,  Soo-Jin HWANG

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06

Abstract: The present disclosure relates to a plurality of host materials, a composition comprising the same, and an organic electroluminescent device comprising the same. By comprising the plurality of host materials and the composition comprising the same according to the present disclosure as a light-emitting material, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan property can be provided.

公开(公告)号：US20240260461A1

公开(公告)日：2024-08-01

申请号：US18403894

申请日：2024-01-04

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Eun-Joung CHOI ,  Mi-Ran SEO ,  Young-Rok LIM ,  HaeYeon KIM ,  So-Mi PARK ,  Dominea RATHWELL

IPC: H10K85/60 ,  C07D401/04 ,  C07D405/14 ,  C07D471/04 ,  C09K11/06 ,  H10K50/13

CPC classification number: H10K85/6572 ,  C07D401/04 ,  C07D405/14 ,  C07D471/04 ,  C09K11/06 ,  H10K85/615 ,  H10K85/654 ,  H10K85/6574 ,  C09K2211/1018 ,  H10K50/131

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising it. When the organic electroluminescent compound according to the present disclosure is included in a specific organic electroluminescent device, the organic electroluminescent device may exhibit a low driving voltage and/or improved lifespan properties.

公开(公告)号：US20240208924A1

公开(公告)日：2024-06-27

申请号：US18529050

申请日：2023-12-05

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Eun-Joung CHOI ,  Hae-Yeon KIM ,  So-Mi PARK ,  Jeong-Hwan JEON ,  So-Young JUNG ,  Yoo-Jin DOH ,  Dominea RATHWELL ,  Mi-Ran SEO

IPC: C07D401/04 ,  C07B59/00 ,  C07D413/14 ,  C07D417/14 ,  H10K85/60

CPC classification number: C07D401/04 ,  C07B59/004 ,  C07D413/14 ,  C07D417/14 ,  H10K85/615 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  C07B2200/05

Abstract: The present disclosure relates to compounds and organic electroluminescent devices comprising them. When a compound according to the invention is included in specific organic electroluminescent devices, the organic electroluminescent devices may exhibit low drive voltage, high luminous efficiency, and improved lifespan properties

公开(公告)号：US20240341110A1

公开(公告)日：2024-10-10

申请号：US18441092

申请日：2024-02-14

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Bitnari KIM ,  Young-Jae KIM ,  Hee-Ryong KANG ,  Sang-Hee CHO ,  So-Young JUNG ,  Tae-Jun HAN ,  Mi-Ran SEO

IPC: H10K50/11 ,  H10K85/60 ,  H10K101/00

CPC classification number: H10K50/11 ,  H10K85/622 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/90

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by the following Formula 1 and at least one second host compound represented by the following Formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of host materials according to the present disclosure in the light-emitting layer, an organic electroluminescent device exhibiting low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be manufactured.

公开(公告)号：US20240206311A1

公开(公告)日：2024-06-20

申请号：US18488148

申请日：2023-10-17

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Eun-Joung CHOI ,  Hae-Yeon KIM ,  Jin-Man KIM ,  Chi-Sik KIM ,  Soo-Yong LEE ,  So-Mi PARK ,  Jeong-Hwan JEON ,  Dong-Hyung LEE ,  Dominea RATHWELL ,  Yoo-Jin DOH ,  Mi-Ran SEO

IPC: H10K85/20 ,  C09K11/06 ,  H10K85/10 ,  H10K85/40 ,  H10K85/60

CPC classification number: H10K85/20 ,  C09K11/06 ,  H10K85/113 ,  H10K85/40 ,  H10K85/622 ,  H10K85/633 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  C07B2200/05

Abstract: The present disclosure relates to organic electroluminescent devices. The organic electroluminescent device according to the present disclosure exhibits improved lifespan characteristics and progressive driving voltage by including at least one deuterated compound(s).

公开(公告)号：US20220263031A1

公开(公告)日：2022-08-18

申请号：US17584791

申请日：2022-01-26

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Ji-Won UM ,  Hong-Se OH ,  Jeong-Hwan JEON ,  Mi-Ran SEO ,  Sang-Hee CHO ,  Dong-Hyung LEE ,  Tae-Jun HAN

IPC: H01L51/00 ,  C07D403/10 ,  C09K11/02 ,  C07D403/04 ,  C07D209/58 ,  C07D405/04

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising an organic electroluminescent compound and/or a plurality of host materials 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.