公开(公告)号：US20210193933A1

公开(公告)日：2021-06-24

申请号：US17113992

申请日：2020-12-07

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Su-Hyun LEE ,  So-Young JUNG ,  Dong-Gil KIM ,  Sang-Hee CHO ,  Jin-Ri HONG ,  Doo-Hyeon MOON

IPC: H01L51/00

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 of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having improved lifetime properties as compared with a conventional organic electroluminescent device.

公开(公告)号：US20210024466A1

公开(公告)日：2021-01-28

申请号：US16968888

申请日：2019-02-12

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hong-Se OH ,  Jeong-Eun YANG ,  Tae-Jin LEE ,  Sang-Hee CHO

IPC: C07D209/82 ,  C07D401/14 ,  C07D487/04 ,  C07D401/10 ,  C07D401/04 ,  C07D409/14 ,  C07D405/14 ,  C07D307/91 ,  C07D333/76

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

公开(公告)号：US20240292746A1

公开(公告)日：2024-08-29

申请号：US18414731

申请日：2024-01-17

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyo-Jung LEE ,  Jeong-Eun YANG ,  So-Young JUNG ,  Sang-Hee CHO ,  Du-Yong PARK

IPC: H10K85/60 ,  C07D498/04 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/657 ,  C07D498/04 ,  C09K11/06 ,  H10K85/636 ,  H10K85/654 ,  C09K2211/1018 ,  H10K50/11

Abstract: The present disclosure relates to an organic electroluminescent compound represented by Formula 1, an organic electroluminescent material, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or the organic electroluminescent material of the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime characteristics can be provided.

公开(公告)号：US20240262800A1

公开(公告)日：2024-08-08

申请号：US18363229

申请日：2023-08-01

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyun-Ju KANG ,  So-Young JUNG ,  Hyo-Nim SHIN ,  Sang-Hee CHO ,  Young-Rok LIM ,  Seung-Hyun YOON

IPC: C07D263/60 ,  C07D209/94 ,  C07D277/84 ,  C07D405/04 ,  C07D405/10 ,  C07D405/14 ,  C07D409/14 ,  C07D413/12 ,  C07D487/22 ,  C09K11/06 ,  H10K50/11 ,  H10K85/60

CPC classification number: C07D263/60 ,  C07D209/94 ,  C07D277/84 ,  C07D405/04 ,  C07D405/10 ,  C07D405/14 ,  C07D409/14 ,  C07D413/12 ,  C07D487/22 ,  C09K11/06 ,  H10K50/11 ,  H10K85/656 ,  H10K85/6572 ,  H10K85/6574 ,  C09K2211/1018

Abstract: The present disclosure relates to 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 specific combination of the compound according to the present disclosure as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency, and long lifespan characteristics can be prepared.

公开(公告)号：US20240251674A1

公开(公告)日：2024-07-25

申请号：US18585199

申请日：2024-02-23

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： So-Young JUNG ,  Su-Hyun LEE ,  Mi-Ja LEE ,  Sang-Hee CHO ,  Doo-Hyeon MOON

IPC: H10K85/60 ,  H10K101/00

CPC classification number: H10K85/6572 ,  H10K85/631 ,  H10K85/6574 ,  H10K85/6576 ,  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 host materials, it is possible to provide an organic electroluminescent device having lower driving voltage, higher luminous efficiency, higher power efficiency, and/or superior lifespan characteristics compared to conventional organic electroluminescent devices.

公开(公告)号：US20240188432A1

公开(公告)日：2024-06-06

申请号：US18430070

申请日：2024-02-01

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Bitnari KIM ,  Su-Hyun LEE ,  Hyo-Soon PARK ,  Tae-Jun HAN ,  Jeong-Eun YANG ,  Sang-Hee CHO ,  Doo-Hyeon MOON

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K50/17 ,  H10K101/00 ,  H10K101/10

CPC classification number: H10K85/6572 ,  H10K85/622 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K50/171 ,  H10K2101/10 ,  H10K2101/90

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.

公开(公告)号：US20240114778A1

公开(公告)日：2024-04-04

申请号：US18449386

申请日：2023-08-14

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： So-Young JUNG ,  Hyo-Nim SHIN ,  Seung-Hyun YOON ,  Hyun-Ju KANG ,  Ye-Jin JEON ,  Tae-Jun HAN ,  Mi-Ja LEE ,  Dong-Gil KIM ,  Sang-Hee CHO

IPC: H10K85/60 ,  C07D263/52 ,  C07D307/77 ,  C09K11/06

CPC classification number: H10K85/636 ,  C07D263/52 ,  C07D307/77 ,  C09K11/06 ,  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 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：US20240057475A1

公开(公告)日：2024-02-15

申请号：US18331498

申请日：2023-06-08

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyun-Ju KANG ,  So-Young JUNG ,  Hyo-Jung LEE ,  Dong-Gil KIM ,  Tae-Jun HAN ,  Seung-Hyun YOON ,  Ye-Jin JEON ,  Sang-Hee CHO ,  Hyo-Nim SHIN ,  Young-Gil KIM

IPC: H10K85/60 ,  C07D307/91 ,  C09K11/06 ,  C07D307/77

CPC classification number: H10K85/636 ,  C07D307/91 ,  C09K11/06 ,  C07D307/77 ,  H10K50/11

Abstract: The present disclosure relates to 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 specific combination of the compound according to the present disclosure as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency and long lifespan characteristics can be provided.

公开(公告)号：US20230371374A1

公开(公告)日：2023-11-16

申请号：US18310062

申请日：2023-05-01

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Sang-Hee CHO ,  Young-Jae KIM ,  Hae-Yeon KIM ,  So-Young JUNG ,  Su-Hyun LEE ,  Mi-Ja LEE ,  So-Mi PARK ,  Young-Gil KIM ,  Hong-Se OH ,  Hyo-Soon PARK

IPC: H10K85/60 ,  H10K85/40 ,  H10K85/30 ,  C09K11/02 ,  C09K11/06

CPC classification number: H10K85/6574 ,  H10K85/633 ,  H10K85/6576 ,  H10K85/615 ,  H10K85/6572 ,  H10K85/622 ,  H10K85/654 ,  H10K85/40 ,  H10K85/30 ,  C09K11/02 ,  C09K11/06 ,  C07B2200/05 ,  C09K2211/1022 ,  C09K2211/188

Abstract: The present disclosure relates to a plurality of host materials comprising a first host compound represented by formula 1 and a second host compound represented by formula 2 and an organic electroluminescent device comprising the same. By comprising the specific combination of the compound according to the present disclosure as host materials, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or significantly improved lifespan characteristics can be provided.

公开(公告)号：US20230157168A1

公开(公告)日：2023-05-18

申请号：US17976418

申请日：2022-10-28

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： So-Young JUNG ,  Su-Hyun LEE ,  Jin-Ri HONG ,  Sang-Hee CHO ,  Mi-Ja LEE ,  Seung-Hyun YOON

IPC: H01L51/00 ,  C07F7/08 ,  C07D263/57 ,  C07D413/12 ,  H01L51/50

CPC classification number: H01L51/0073 ,  H01L51/0067 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0074 ,  H01L51/0072 ,  H01L51/0064 ,  H01L51/0094 ,  H01L51/0071 ,  H01L51/0061 ,  H01L51/006 ,  H01L51/0059 ,  H01L51/0056 ,  C07F7/0812 ,  C07D263/57 ,  C07D413/12 ,  H01L51/5056 ,  H01L51/5012

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 a specific combination of compounds according to the present disclosure as a plurality of host materials, or by comprising the compound according to the present disclosure, 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 device.