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：US20230292610A1

公开(公告)日：2023-09-14

申请号：US18178712

申请日：2023-03-06

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Sang-Hee CHO ,  Young-Jae KIM ,  Hyo-Nim SHIN ,  So-Young JUNG ,  Mi-Ja LEE ,  Su-Hyun LEE ,  Hae-Yeon KIM

IPC: H10K85/60 ,  H10K50/11

CPC classification number: H10K85/6574 ,  H10K85/636 ,  H10K85/657 ,  H10K85/631 ,  H10K85/6576 ,  H10K85/654 ,  H10K50/11 ,  H10K2102/302

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

公开(公告)号：US20220384744A1

公开(公告)日：2022-12-01

申请号：US17272519

申请日：2019-08-28

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Su-Hyun LEE ,  Bitnari KIM ,  So-Young JUNG ,  Hyo-Nim SHIN ,  Mi-Ja LEE

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  C07F15/00 ,  C07D487/04 ,  C07D405/14 ,  C07D405/10

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 as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency and/or long lifespan can be provided compared with a conventional organic electroluminescent device.

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：US20230320207A1

公开(公告)日：2023-10-05

申请号：US18075353

申请日：2022-12-05

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyun KIM ,  Hong-Se OH ,  Mi-Ja LEE ,  Ji-Won UM ,  Kyoung-Jin PARK ,  So-Mi PARK ,  Hyun-Woo KANG ,  Sang-Hee CHO

IPC: H10K85/60 ,  H10K85/40 ,  C07D405/14 ,  C07D405/04 ,  C07D405/10 ,  C07D407/10 ,  C07D409/10 ,  C07D311/82 ,  C07D409/14 ,  C07D311/88 ,  H10K50/11

CPC classification number: H01L51/0072 ,  C07D311/82 ,  C07D311/88 ,  C07D405/04 ,  C07D405/10 ,  C07D405/14 ,  C07D407/10 ,  C07D409/10 ,  C07D409/14 ,  H01L51/0054 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0064 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/5012 ,  C07B2200/05

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.

公开(公告)号：US20210296595A1

公开(公告)日：2021-09-23

申请号：US17186496

申请日：2021-02-26

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

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

IPC: H01L51/00

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 2-1, 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 the organic electroluminescent compound according to the present disclosure as a single host material, or the specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to provide an organic electroluminescent device having lower driving voltage, higher luminous efficiency, and/or improved lifetime properties, compared to conventional organic electroluminescent devices.

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：US20230309387A1

公开(公告)日：2023-09-28

申请号：US18181832

申请日：2023-03-10

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Jeong-Eun YANG ,  Hee-Ryong KANG ,  Jeong-Hwan JEON ,  Mi-Ja LEE ,  Sang-Hee CHO ,  Young-Jae KIM

IPC: H10K85/60 ,  C07D413/12 ,  C09K11/06

CPC classification number: H10K85/636 ,  C07D413/12 ,  C09K11/06 ,  H10K85/622 ,  H10K85/654 ,  H10K85/6574 ,  H10K50/11

Abstract: The present disclosure relates to an organic electroluminescent material comprising an organic electroluminescent compound represented by formula 1, and an organic electroluminescent device comprising the same; and 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. An organic electroluminescent device with improved driving voltage and/or luminous efficiency can be provided by comprising the compound according to the present disclosure as an organic electroluminescent material or a plurality of host materials.

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.