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公开(公告)号：US20240260466A1
公开(公告)日：2024-08-01
申请号：US18431116
申请日：2024-02-02
Inventor： Su-Hyun LEE , So-Young JUNG , Dong-Gil KIM , Sang-Hee CHO , Jin-Ri HONG , Doo-Hyeon MOON
IPC: H10K85/60 , H10K50/11 , H10K101/00 , H10K101/10
CPC classification number: H10K85/6574 , H10K85/615 , H10K85/633 , H10K85/636 , H10K85/654 , H10K50/11 , H10K2101/10 , 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 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.
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2.发明公开公开(公告)号：US20230389422A1
公开(公告)日：2023-11-30
申请号：US18364653
申请日：2023-08-03
Inventor： Chi-Sik KIM , Hyo-Soon PARK , Su-Hyun LEE , Kyoung-Jin PARK
IPC: H10K85/60 , C07D405/14 , C07D409/14 , C09K11/06 , H10K50/12
CPC classification number: H10K85/6576 , C07D405/14 , C07D409/14 , C09K11/06 , H10K50/12 , H10K85/654 , H10K85/6572 , H10K85/6574 , C09K2211/1029 , C09K2211/1059 , C09K2211/1088 , H10K2101/90
Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, it is possible to provide an organic electroluminescent device with a longer lifetime property compared to conventional organic electroluminescent devices.
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3.发明公开公开(公告)号：US20230292610A1
公开(公告)日：2023-09-14
申请号：US18178712
申请日：2023-03-06
Inventor： Sang-Hee CHO , Young-Jae KIM , Hyo-Nim SHIN , So-Young JUNG , Mi-Ja LEE , Su-Hyun LEE , Hae-Yeon KIM
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.
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公开(公告)号：US20230141672A1
公开(公告)日：2023-05-11
申请号：US17952499
申请日：2022-09-26
Inventor： So-Young JUNG , Jin-Ri HONG , Su-Hyun LEE , Sang-Hee CHO , So-Mi PARK , Seung-Hyun YOON
IPC: H01L51/00 , C07D307/91 , C07D345/00 , C07D405/10 , C09K11/02
CPC classification number: H01L51/006 , C07D307/91 , C07D345/00 , H01L51/0061 , C07D405/10 , H01L51/0067 , H01L51/0073 , C09K11/025 , H01L51/5016
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 compounds according to the present disclosure as a plurality of host materials, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties.
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公开(公告)号：US20220384744A1
公开(公告)日：2022-12-01
申请号：US17272519
申请日：2019-08-28
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.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20220216429A1
公开(公告)日：2022-07-07
申请号：US17689438
申请日：2022-03-08
Inventor： Hee-Choon AHN , Young-Kwang KIM , Su-Hyun LEE , Ji-Song JUN , Seon-Woo LEE , Chi-Sik KIM , Kyoung-Jin PARK , Nam-Kyun KIM , Kyung-Hoon CHOI , Jae-Hoon SHIM , Young-Jun CHO , Kyung-Joo LEE
IPC: H01L51/00 , C09K11/06 , C07D209/86 , C07F15/00 , C09K11/02
Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
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公开(公告)号：US20220077405A1
公开(公告)日：2022-03-10
申请号：US17526112
申请日：2021-11-15
Inventor： Hee-Choon AHN , Young-Kwang KIM , Doo-Hyeon MOON , Su-Hyun LEE , Seon-Woo LEE , Chi-Sik KIM , Kyoung-Jin PARK , Nam-Kyun KIM , Kyung-Hoon CHOI , Jae-Hoon SHIM , Young-Jun CHO , Kyung-Joo LEE
Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, the organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan compared with the conventional device using one component host compound.
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公开(公告)号：US20220020931A1
公开(公告)日：2022-01-20
申请号：US17374908
申请日：2021-07-13
Inventor： Hyun-Ju KANG , So-Young JUNG , Eun-Joung CHOI , Hong-Yeop NA , Sang-Hee CHO , Su-Hyun LEE , Jin-Ri HONG
IPC: H01L51/00 , C07D413/14 , C07D413/12 , C07D487/04
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 the host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.
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公开(公告)号：US20210305519A1
公开(公告)日：2021-09-30
申请号：US17203629
申请日：2021-03-16
Inventor： So-Young Jung , Su-Hyun LEE , Jin-Ri HONG , Ji-Song JUN , 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 the specific combination of the compound as host materials, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided compared with a conventional organic electroluminescent device.
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公开(公告)号：US20210020849A1
公开(公告)日：2021-01-21
申请号：US16886820
申请日：2020-05-29
Inventor： Bitnari KIM , Doo-Hyeon MOON , Su-Hyun LEE , Du-Yong PARK , So-Young JUNG , Hae-Yeon KIM , Sang-Hee CHO
IPC: H01L51/00
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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