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公开(公告)号：US20220356193A1
公开(公告)日：2022-11-10
申请号：US17214253
申请日：2021-03-26
Inventor： So-Young Jung , Ji-Song JUN , Su-Hyun LEE , Sang-Hee CHO , Jin-Ri HONG
IPC: C07D519/00 , H01L51/00
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 a specific combination of the compounds wherein the first host compound is represented by formula 1 and the second host compound is represented by formula 2, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifetime property.
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公开(公告)号：US20220281894A1
公开(公告)日：2022-09-08
申请号：US17675393
申请日：2022-02-18
Inventor： Ji-Song JUN , Kyoung-Jin PARK , Chi-Sik KIM , Sang-Hee CHO , Su-Hyun LEE
IPC: C07D517/00 , C07D519/00 , H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, 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 a single host material or by including a specific combination of compounds according to the present disclosure as a plurality of host materials.
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公开(公告)号：US20220173322A1
公开(公告)日：2022-06-02
申请号：US17528997
申请日：2021-11-17
Inventor： Hyo-Soon PARK , Young-Jae KIM , Sang-Hee CHO , Su-Hyun LEE
IPC: H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials comprising the same, and an organic electroluminescent device. By comprising the organic electroluminescent compound and/or a plurality of host materials comprising the same according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan property can be provided.
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公开(公告)号：US20220102645A1
公开(公告)日：2022-03-31
申请号：US17264745
申请日：2019-06-28
Inventor： Bitnari Kim , Su-Hyun LEE , So-Young JUNG , Tae-Jun HAN , Hyo-Soon PARK , Sang-Hee CHO , Jeong-Eun YANG
IPC: H01L51/00
Abstract: The present disclosure relates to a plurality of host materials comprising at least one of a first host compound represented by formula 1 and at least one of a second host compound represented by formula 2 and an organic electroluminescent device comprising the same. By comprising the host materials, an organic electroluminescent device having low driving voltage and/or a high luminous efficiency and/or long lifespan can be provided.
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公开(公告)号：US20210328154A1
公开(公告)日：2021-10-21
申请号：US17264742
申请日：2019-07-26
Inventor： Bitnari KIM , Su-Hyun LEE , Doo-Hyeon MOON , 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 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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Patent Agency Ranking
公开(公告)号：US20210265569A1
公开(公告)日：2021-08-26
申请号：US17259909
申请日：2019-06-05
Inventor： Bitnari KIM , Jeong-Eun YANG , Doo-Hyeon MOON , Su-Hyun LEE , Hyo-Soon PARK , 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 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.
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公开(公告)号：US20210135127A1
公开(公告)日：2021-05-06
申请号：US17075602
申请日：2020-10-20
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: 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 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.
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公开(公告)号：US20210043848A1
公开(公告)日：2021-02-11
申请号：US16981243
申请日：2019-03-15
Inventor： Bitrtari Kim , Sang-Hee CHO , Hyo-Jung LEE , Hyun-Ju KANG , Jeong-Eun YANG , Su-Hyun LEE
IPC: H01L51/00 , C09K11/02 , C09K11/06 , C07D403/10 , C07D209/94 , C07D405/10 , C07D405/04 , C07D487/04 , C07D487/16
Abstract: The present disclosure relates to a composition material for an organic electroluminescent device, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the composition material for an organic electroluminescent device comprising a specific combination of compounds, an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics can be produced.
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69.发明申请公开(公告)号：US20210005822A1
公开(公告)日：2021-01-07
申请号：US16886822
申请日：2020-05-29
Inventor： Doo-Hyeon MOON , Su-Hyun LEE , Jin-Ri HONG , So-Young JUNG , Dong-Hyung LEE , Sang-Hee CHO
IPC: H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound, an organic electroluminescent device having a low driving voltage and/or a high luminous efficiency and/or a long lifespan can be provided.
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70.发明申请公开(公告)号：US20200212310A1
公开(公告)日：2020-07-02
申请号：US16640082
申请日：2018-09-21
Inventor： Bitnari KIM , Su-Hyun LEE , So-Young JUNG , Hyo-Soon PARK , Tae-Jun HAN , Young-Jun CHO , Sang-Hee CHO
IPC: H01L51/00 , C07D487/04 , C07D251/24 , C07D239/74 , C07D241/42 , C09K11/02 , C09K11/06
Abstract: The present disclosure relates to a plurality of host materials and organic electroluminescent devices comprising the same. The present disclosure may provide a plurality of host materials having a composition favorable to thermal denaturation due to a low deposition temperature, while improving hole properties and electronic properties of HOMO and LUMO, by comprising separate compounds represented by formulas 1 and 2 into a light-emitting layer. By comprising the plurality of host materials of the present disclosure, it is possible to provide an organic electroluminescent device having a lower driving voltage, higher luminous efficiency and/or longer lifetime.
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