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21.发明公开公开(公告)号：US20230345827A1
公开(公告)日：2023-10-26
申请号：US18056342
申请日：2022-11-17
Inventor： Bitnari KIM , Doo-Hyeon MOON , Su-Hyun LEE , Du-Yong PARK , So-Young JUNG , Hae-Yeon KIM , Sang-Hee CHO
IPC: H10K85/60
CPC classification number: H10K85/6572 , H10K85/633 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K85/615
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 long lifetime properties while having an equivalent or improved level of power efficiency compared to conventional organic electroluminescent devices.
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22.发明公开公开(公告)号：US20230329107A1
公开(公告)日：2023-10-12
申请号：US18321074
申请日：2023-05-22
Inventor： So-Young JUNG , Su-Hyun LEE , Mi-Ja LEE , Doo-Hyeon MOON , Sang-Hee CHO
IPC: H10K85/60
CPC classification number: H10K85/6572 , H10K85/615 , H10K85/626 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K50/11
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 higher luminous efficiency and/or longer lifetime properties as compared with a conventional organic electroluminescent device.
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23.发明公开公开(公告)号：US20230292611A1
公开(公告)日：2023-09-14
申请号：US18182569
申请日：2023-03-13
Inventor： So-Young JUNG , Su-Hyun LEE , Sang-Hee CHO , Ji-Song JUN , Jin-Ri HONG , Mi-Ja LEE
IPC: H10K85/60 , C07D405/04 , C07D405/14 , C07D409/14 , H10K85/40 , C07F7/08 , C07D405/10 , C07D409/04 , C07D491/048 , H10K50/11
CPC classification number: H10K85/6574 , H10K85/654 , C07D405/04 , C07D405/14 , H10K85/6576 , C07D409/14 , H10K85/615 , H10K85/6572 , H10K85/40 , C07F7/0812 , C07D405/10 , C07D409/04 , C07D491/048 , H10K50/11 , H10K85/636 , H10K85/631 , H10K85/633 , C07B2200/05
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 and/or the 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 characteristics can be provided.
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公开(公告)号：US20230139032A1
公开(公告)日：2023-05-04
申请号：US17890926
申请日：2022-08-18
Inventor： Sang-Hee CHO , Young-Jae Kim , HaeYeon Kim , Young-Jun Cho , Kyung-Hoon Choi , So-Young Jung , Su-Hyun Lee , Mi-Ja Lee
IPC: H01L51/00 , C07D413/12 , C09K11/06 , C07D405/10 , C07D413/14 , C07D307/91 , C07D487/16 , C07D263/52 , C07D209/56
Abstract: The present disclosure relates to three different types of host materials, and an organic electroluminescent device comprising the same, and it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or improved lifetime properties compared to a conventional organic electroluminescent device.
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公开(公告)号：US20210328155A1
公开(公告)日：2021-10-21
申请号：US17328729
申请日：2021-05-24
Inventor： Sang-Hee CHO , Jeong-Hwan JEON , Hong-Yeop NA , Ji-Song JUN , Jae-Hoon SHIM , Kyung-Hoon CHOI , Chi-Sik KIM , Young-Jun CHO
IPC: H01L51/00 , C07D403/14 , C07D409/14 , C07D487/04 , C07D495/04 , C07D403/12 , C07D405/14 , C07D405/04 , C07D471/04 , C07D403/04 , C07D403/10 , C09K11/02 , C09K11/06
Abstract: The present invention relates to an electron buffering material and an organic electroluminescent device comprising the same in an electron buffer layer. It is possible to provide an organic electroluminescent device having excellent luminous efficiency and lifespan characteristics by using the electron buffering material according to the present invention.
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Patent Agency Ranking
公开(公告)号：US20210193931A1
公开(公告)日：2021-06-24
申请号：US16757844
申请日：2018-11-09
Inventor： Hyo-Jung LEE , Dominea RATHWELL , Sang-Hee CHO , Hyun-Ju KANG
IPC: H01L51/00 , C09K11/06 , C07D487/04
Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material, and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure can provide an organic electroluminescent device having improved lifespan properties compared to the organic electroluminescent device comprising a conventional organic electroluminescent compound.
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公开(公告)号：US20210184133A1
公开(公告)日：2021-06-17
申请号：US17114005
申请日：2020-12-07
Inventor： Su-Hyun Lee , So-Young JUNG , Jin-Ri HONG , Sang-Hee CHO
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 an organic electroluminescent compound according to the present disclosure as an organic electroluminescent material or the specific combination of the compound as host materials, an organic electroluminescent device having high luminous efficiency and/or long lifespan can be provided compared with a conventional organic electroluminescent device.
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28.发明申请公开(公告)号：US20210062080A1
公开(公告)日：2021-03-04
申请号：US16962257
申请日：2019-01-18
Inventor： Ga-Won LEE , Sang-Hee CHO , Hee-Ryong KANG , Hong-Se OH , Jeong-Eun YANG
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, it is possible to provide an organic electroluminescent device with improved driving voltage, luminous efficiency, lifespan properties and/or power efficiency.
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公开(公告)号：US20210028373A1
公开(公告)日：2021-01-28
申请号：US16924332
申请日：2020-07-09
Inventor： Bitnari KIM , Su-Hyun LEE , So-Young JUNG , Doo-Hyeon MOON , Du-Yong PARK , Sang-Hee CHO , Hae-Yeon KIM
IPC: H01L51/00 , C07D487/04 , C09K11/06 , C07D209/94 , C07D487/16 , C07D409/04 , C07D405/10 , C07D409/10 , C07D251/24
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 a host material, it is possible to provide an organic electroluminescent device having an improved lifespan property, compared to conventional organic electroluminescent devices.
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公开(公告)号：US20210013427A1
公开(公告)日：2021-01-14
申请号：US16908973
申请日：2020-06-23
Inventor： Bitnari KIM , Su-Hyun LEE , Doo-Hyeon MOON , So-Young JUNG , Du-Yong PARK , Hae-Yeon KIM , Sang-Hee CHO , Jin-Ri HONG
IPC: H01L51/00
Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising the host materials according to the present disclosure, an organic electroluminescent device having a high power efficiency and/or long lifespan can be provided.
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