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公开(公告)号：US20210320263A1
公开(公告)日：2021-10-14
申请号：US17224075
申请日：2021-04-06
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 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. 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 improved driving voltage, luminous efficiency, power efficiency and/or lifetime properties.
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公开(公告)号：US20210253586A1
公开(公告)日：2021-08-19
申请号：US16972962
申请日：2019-05-09
Inventor： Bit-Na-Ri Kim , Su-Hyun LEE , Doo-Hyeon MOON , Hyo-Soon PARK , Tae-Jun HAN , Sang-Hee CHO
IPC: C07D487/06 , H01L51/00
Abstract: The present disclosure relates to a plurality of host materials comprising a compound represented by formula 1 and a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the plurality of host materials comprising a specific combination of compounds, it is possible to provide an organic electroluminescent device having long lifespan characteristics.
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公开(公告)号：US20210193933A1
公开(公告)日：2021-06-24
申请号：US17113992
申请日：2020-12-07
Inventor： Su-Hyun LEE , So-Young JUNG , Dong-Gil KIM , Sang-Hee CHO , Jin-Ri HONG , 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 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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34.发明申请公开(公告)号：US20210074929A1
公开(公告)日：2021-03-11
申请号：US17000977
申请日：2020-08-24
Inventor： Chi-Sik KIM , Hyo-Soon PARK , Su-Hyun LEE , Kyoung-Jin PARK
IPC: H01L51/00
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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35.发明公开公开(公告)号：US20240206333A1
公开(公告)日：2024-06-20
申请号：US18416245
申请日：2024-01-18
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
CPC classification number: H10K85/6572 , C09K11/025 , C09K11/06 , H10K85/342 , H10K85/40 , H10K85/615 , H10K85/626 , H10K85/654 , H10K85/657 , H10K85/6574 , H10K85/6576 , C09K2211/1007 , C09K2211/1011 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1059 , C09K2211/1088 , C09K2211/1092 , H10K50/11
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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Patent Agency Ranking
36.发明公开公开(公告)号：US20240188424A1
公开(公告)日：2024-06-06
申请号：US18379813
申请日：2023-10-13
Inventor： Su-Hyun LEE , Kyung-Hoon CHOI , So-Young JUNG , Chi-Sik KIM , Soo-Yong LEE , Sang-Hee CHO , Young-Jun CHO , Young-Gil KIM , Bitnari KIM , Young-Jae KIM , Hyo-Nim SHIN
IPC: H10K85/60 , C07D307/77 , C07D307/91 , C07D405/04 , C07D405/12 , C07D413/12 , C09K11/06
CPC classification number: H10K85/636 , C07D307/77 , C07D307/91 , C07D405/04 , C07D405/12 , C07D413/12 , C09K11/06 , H10K85/622 , H10K85/626 , H10K85/633 , H10K85/654 , H10K85/6574 , H10K50/11
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 according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
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公开(公告)号：US20240147845A1
公开(公告)日：2024-05-02
申请号：US18530611
申请日：2023-12-06
Inventor： Kyoung-Jin PARK , Tae-Jin LEE , Jae-Hoon SHIM , Yoo Jin DOH , Hee-Choon AHN , Young-Kwang KIM , Doo-Hyeon MOON , Jeong-Eun YANG , Su-Hyun LEE , Chi-Sik KIM , Ji-Song JUN
IPC: H10K85/60 , C07D209/86 , C07D405/14 , C07D409/14 , C09K11/02 , C09K11/06 , H05B33/20
CPC classification number: H10K85/633 , C07D209/86 , C07D405/14 , C07D409/14 , C09K11/025 , C09K11/06 , H05B33/20 , H10K85/631 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576 , C09K2211/1007 , C09K2211/1029 , C09K2211/1088 , C09K2211/1092 , C09K2211/185 , H10K50/11
Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
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38.发明公开公开(公告)号：US20230263051A1
公开(公告)日：2023-08-17
申请号：US18163613
申请日：2023-02-02
Inventor： So-Young JUNG , Su-Hyun LEE , Chi-Sik KIM , Sang-Hee CHO , Jin-Ri HONG , Hee-Ryong KANG , Young-Jae KIM
CPC classification number: H10K85/636 , H10K85/657 , H10K85/6574 , H10K85/6576 , H10K85/654 , H10K85/622 , H10K85/615 , H10K85/6572 , H10K85/623 , H10K50/11 , H10K2102/301
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 specific combination of compounds according to the present disclosure as the host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or significantly improved lifespan characteristics can be provided.
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39.发明公开公开(公告)号：US20230255110A1
公开(公告)日：2023-08-10
申请号：US18192841
申请日：2023-03-30
Inventor： So-Young JUNG , Su-Hyun LEE , Sung-Wook CHO
CPC classification number: H10K85/6572 , C09K11/06 , H10K85/6574 , H10K85/6576 , C09K2211/1059 , C09K2211/1074
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, an organic electroluminescent device having improved driving voltage, luminous efficiency, lifespan characteristic, and/or power efficiency can be provided.
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公开(公告)号：US20230126428A1
公开(公告)日：2023-04-27
申请号：US18057295
申请日：2022-11-21
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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