公开(公告)号：US20240188424A1

公开(公告)日：2024-06-06

申请号：US18379813

申请日：2023-10-13

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Su-Hyun LEE ,  Kyung-Hoon CHOI ,  So-Young JUNG ,  Chi-Sik KIM ,  Soo-Yong LEE ,  Sang-Hee CHO ,  Young-Jun CHO ,  Young-Gil KIM ,  Bitnari KIM ,  Young-Jae KIM ,  Hyo-Nim SHIN

IPC: H10K85/60 ,  C07D307/77 ,  C07D307/91 ,  C07D405/04 ,  C07D405/12 ,  C07D413/12 ,  C09K11/06

CPC classification number: H10K85/636 ,  C07D307/77 ,  C07D307/91 ,  C07D405/04 ,  C07D405/12 ,  C07D413/12 ,  C09K11/06 ,  H10K85/622 ,  H10K85/626 ,  H10K85/633 ,  H10K85/654 ,  H10K85/6574 ,  H10K50/11

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 the organic electroluminescent compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

公开(公告)号：US20220209131A1

公开(公告)日：2022-06-30

申请号：US17538294

申请日：2021-11-30

Applicant: LG DISPLAY CO., LTD. ,  ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Young-Jun YU ,  Sang-Beom KIM ,  Do-Han KIM ,  Jeong-Dae SEO ,  Chi-Sik KIM ,  Kyoung-Jin PARK ,  Soo-Yong LEE ,  Seung-Hoon YOO

IPC: H01L51/00 ,  C07C15/28 ,  C09K11/06 ,  C07D491/048 ,  C07D209/86

Abstract: An organic light emitting diode and an organic light emitting device including the same are discussed. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a green emitting material layer and positioned between the first and second electrodes. The green emitting material layer can include a first host, a second host and a dopant, wherein at least one of the first host and the second host is deuterated.

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：US20220029108A1

公开(公告)日：2022-01-27

申请号：US17347484

申请日：2021-06-14

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Chi-Sik KIM ,  Soo-Yong LEE ,  Seung-Hoon YOO ,  Kyoung-Jin PARK

IPC: H01L51/00

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1, a plurality of host materials comprising a combination of specific compounds, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or the specific combination of compounds according to the present disclosure as a host material and/or an electron transport zone material, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties, compared to the conventional organic electroluminescent device.

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：US20230117383A1

公开(公告)日：2023-04-20

申请号：US17734347

申请日：2022-05-02

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Chi-Sik KIM ,  Ji-Song JUN ,  Soo-Yong LEE ,  Seung-Hoon YOO ,  Kyoung-Jin PARK ,  Hyun-Woo KANG ,  Hyun-Ju KANG ,  So-Young JUNG ,  Sang-Hee CHO

IPC: H01L51/50 ,  H01L51/00

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

公开(公告)号：US20220109109A1

公开(公告)日：2022-04-07

申请号：US17405987

申请日：2021-08-18

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Chi-Sik KIM ,  Kyung-Hoon CHOI ,  Hyo-Nim SHIN ,  Kyoung-Jin PARK ,  Hyun-Woo KANG ,  Soo-Yong LEE ,  Seung-Hoon YOO ,  Mi-Ja LEE ,  Samuel KIM

IPC: H01L51/00

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1′ or 2′, a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or the specific combination of compounds according to the present disclosure as a host material(s), it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifetime properties.

公开(公告)号：US20210351358A1

公开(公告)日：2021-11-11

申请号：US17237988

申请日：2021-04-22

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Dong-Hyung LEE ,  Chi-Sik KIM ,  Soo-Yong LEE ,  Seung-Hoon YOO ,  Yoo-Jin DOH

IPC: H01L51/00

Abstract: The present disclosure relates to an organic electroluminescent device comprising a first electrode, a second electrode, and at least one organic layer interposed between the first electrode and the second electrode, wherein the organic layer comprises a light-emitting layer and a hole transport zone. By comprising a deuterated compound in at least one of the light-emitting layer and the hole transport zone, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency, and/or lifetime properties.

公开(公告)号：US20240067618A1

公开(公告)日：2024-02-29

申请号：US18493118

申请日：2023-10-24

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Chi-Sik KIM ,  Soo-Yong LEE ,  Seung-Hoon YOO ,  Dong-Hyung LEE

IPC: C07D307/91 ,  C07D405/10 ,  C07D407/10 ,  C07D513/04 ,  H10K85/60

CPC classification number: C07D307/91 ,  C07D405/10 ,  C07D407/10 ,  C07D513/04 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure may be comprised in a light-emitting layer, and is effective for producing an organic electroluminescent device having high luminescent efficiency and/or excellent lifespan characteristic.

公开(公告)号：US20220352474A1

公开(公告)日：2022-11-03

申请号：US17231835

申请日：2021-04-15

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Dong-Hyung Lee ,  Chi-Sik KIM ,  Yoo-Jin DOH ,  Seung-Hoon YOO ,  Soo-Yong LEE ,  Hyun-Woo KANG

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06 ,  C07D491/048 ,  C07D251/24 ,  C07D413/10 ,  C07D491/06

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure may exhibit low voltage, high efficiency, and/or long lifespan by including a light-emitting layer comprising a specific combination of the compounds, and an electron transport zone.