公开(公告)号：US20240032418A1

公开(公告)日：2024-01-25

申请号：US18329270

申请日：2023-06-05

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Yea-Mi SONG ,  Doo-Hyeon MOON ,  Hyo-Jung LEE ,  Hyun-Ju KANG ,  Kyoung-Jin PARK ,  Mi-Ja LEE ,  DaiKyu KIM

IPC: H10K85/60 ,  C07D413/14 ,  C09K11/06

CPC classification number: H10K85/657 ,  C07D413/14 ,  C09K11/06 ,  H10K85/6574 ,  H10K85/654 ,  H10K85/6572 ,  H10K50/12

Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan properties can be provided by including the organic electroluminescent compound according to the present disclosure as an organic electroluminescent material or by including a specific combination of compounds according to the present disclosure as a plurality of host materials.

公开(公告)号：US20240298530A1

公开(公告)日：2024-09-05

申请号：US18417068

申请日：2024-01-19

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Doo-Hyeon MOON ,  Mi-Ja LEE ,  Yea-Mi SONG ,  Hyun-Ju KANG ,  Hyo-Jung LEE ,  Kyoung-Jin PARK

IPC: H10K85/60 ,  C07D403/04 ,  C07D403/10 ,  C09K11/06 ,  H10K50/11 ,  H10K101/00

CPC classification number: H10K85/654 ,  C07D403/04 ,  C07D403/10 ,  C09K11/06 ,  H10K85/624 ,  H10K85/6572 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/90

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 specific combination of the compounds according to the present disclosure as a plurality of host materials, or by comprising the compound according to the present disclosure, an organic electroluminescent device with low driving voltage and/or long lifespan characteristics can be provided, compared to a conventional organic electroluminescent device.

公开(公告)号：US20230413667A1

公开(公告)日：2023-12-21

申请号：US18323036

申请日：2023-05-24

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Doo-Hyeon MOON ,  Mi-Ja LEE ,  Kyoung-Jin PARK ,  Yea-Mi SONG ,  Hyun-Ju KANG ,  Hyo-Jung LEE ,  Chi-Sik KIM ,  DaiKyu KIM

IPC: H10K85/60 ,  C07D403/04 ,  C09K11/06 ,  C07D403/10

CPC classification number: H10K85/6572 ,  C07D403/04 ,  C09K11/06 ,  H10K85/654 ,  C07D403/10 ,  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 2, 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 significantly improved lifespan characteristics can be provided.

公开(公告)号：US20240074312A1

公开(公告)日：2024-02-29

申请号：US18351774

申请日：2023-07-13

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyun-Ju KANG ,  Hyo-Jung LEE ,  Doo-Hyeon MOON ,  Kyoung-Jin PARK ,  Yea-Mi SONG ,  Mi-Ja LEE ,  DaiKyu KIM ,  Hyun KIM

IPC: H10K85/60 ,  C07D413/14 ,  C09K11/06

CPC classification number: H10K85/6574 ,  C07D413/14 ,  C09K11/06 ,  H10K85/657 ,  H10K85/654 ,  H10K50/11

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising at least one compound represented by formula 1 and a second host material comprising at least one compound represented by formula 2, and an organic electroluminescent device comprising the same. An organic electroluminescent device having significantly improved lifetime properties is provided by comprising a specific combination of compounds according to the present disclosure as host materials.

公开(公告)号：US20230403932A1

公开(公告)日：2023-12-14

申请号：US18310762

申请日：2023-05-02

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Doo-Hyeon MOON ,  Kyoung-Jin PARK ,  Mi-Ja LEE ,  Hyun-Woo KANG ,  Hyun-Ju KANG ,  Hyo-Jung LEE ,  Yea-Mi SONG ,  DaiKyu KIM

IPC: H10K85/60 ,  C09K11/02

CPC classification number: H10K85/6572 ,  C09K11/02 ,  C09K2211/1059 ,  C09K2211/1048 ,  C09K2211/1051

Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. An organic electroluminescent device with improved lifespan properties can be produced by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials.

公开(公告)号：US20240324452A1

公开(公告)日：2024-09-26

申请号：US18436429

申请日：2024-02-08

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Yea-Mi SONG ,  Hyo-Soon PARK ,  Jeong-Eun YANG ,  Tae-Jun HAN ,  Mi-Ja LEE ,  Kyoung-Jin PARK ,  Doo-Hyeon MOON

IPC: H10K85/60 ,  C07B59/00 ,  C09K11/02 ,  H10K50/12 ,  H10K85/30

CPC classification number: H10K85/654 ,  C07B59/004 ,  C09K11/02 ,  H10K50/12 ,  H10K85/342 ,  H10K85/615 ,  H10K85/622 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  C07B2200/05

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, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to produce an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or excellent lifetime properties, either by utilizing the plurality of host materials comprising a specific combination of host compounds, or by utilizing the organic electroluminescent compound represented by a specific Formula.

公开(公告)号：US20240130230A1

公开(公告)日：2024-04-18

申请号：US18446086

申请日：2023-08-08

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Doo-Hyeon MOON ,  DaiKyu KIM ,  Hyo-Jung LEE ,  Yea-Mi SONG ,  Kyoung-Jin PARK ,  Hyun-Ju KANG ,  Ga-Won LEE ,  Mi-Ja LEE ,  Kyung-Hoon CHOI

IPC: H10K85/60 ,  C07D403/04 ,  C07D403/10 ,  C07D405/14 ,  C09K11/06

CPC classification number: H10K85/6572 ,  C07D403/04 ,  C07D403/10 ,  C07D405/14 ,  C09K11/06 ,  H10K85/654 ,  H10K85/6574 ,  H10K50/11

Abstract: The present disclosure relates to a plurality of host materials, organic electroluminescent compounds, and organic electroluminescent devices comprising the same. By comprising specific combinations of compounds according to the present disclosure as the plurality of host materials or by comprising a compound according to the present disclosure, it is possible to provide organic electroluminescent devices having improved lifespan characteristics compared to conventional organic electroluminescent devices.

公开(公告)号：US20240090324A1

公开(公告)日：2024-03-14

申请号：US18354235

申请日：2023-07-18

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyo-Jung LEE ,  Yea-Mi SONG ,  Hyun-Ju KANG ,  Mi-Ja LEE ,  Doo-Hyeon MOON ,  Kyoung-Jin PARK ,  Du-Yong PARK ,  DaiKyu KIM

IPC: H10K85/60 ,  C07D251/24 ,  C09K11/06

CPC classification number: H10K85/654 ,  C07D251/24 ,  C09K11/06 ,  H10K85/615 ,  H10K50/11

Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan properties compared to a conventional organic electroluminescent device can be provided by including the specific combination of compounds according to the present disclosure as a plurality of host materials or by including the compound according to the present disclosure.