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31.
公开(公告)号:US20180151809A1
公开(公告)日:2018-05-31
申请号:US15570401
申请日:2016-03-17
Inventor: Doo-Hyeon MOON , Hee-Ryong KANG
IPC: H01L51/00 , C09K11/06 , C07D487/22
CPC classification number: H01L51/0072 , C07D471/22 , C07D487/16 , C07D487/22 , C07D491/22 , C07D495/22 , C09K11/06 , C09K2211/1018 , H01L51/0061 , H01L51/0067 , H01L51/0085 , H01L51/5016 , H01L2251/5384 , H05B33/14
Abstract: The present invention relates to an organic electroluminescent compounds and organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention is effective to produce an organic electroluminescent device having low driving voltage, excellent luminous and power efficiencies, and significantly improved driving lifespan.
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32.
公开(公告)号:US20240298530A1
公开(公告)日:2024-09-05
申请号:US18417068
申请日:2024-01-19
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.
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33.
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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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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35.
公开(公告)号:US20240057472A1
公开(公告)日:2024-02-15
申请号:US18344288
申请日:2023-06-29
Inventor: Sang-Hee CHO , Doo-Hyeon MOON , Bitnari KIM
CPC classification number: H10K85/631 , C09K11/06 , H10K50/11 , H10K85/654 , H10K85/656 , H10K85/624
Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. The organic electroluminescent device of the present disclosure can exhibit excellent lifespan characteristics while maintaining high luminous efficiency by including a specific combination of a plurality of host compounds.
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36.
公开(公告)号:US20230165142A1
公开(公告)日:2023-05-25
申请号:US17979252
申请日:2022-11-02
Inventor: Doo-Hyeon MOON , Du-Yong Park , Su-Hyun Lee , Sang-Hee Cho , Ji-Song Jun , So-Young Jung , Hyo-Nim Shin
IPC: H10K85/60 , C07D421/04 , C07D421/14 , C07F7/08 , H10K85/40 , C07F7/30 , H10K85/30 , C07D421/10 , C07D491/048 , H10K50/11
CPC classification number: H10K85/657 , H10K85/654 , C07D421/04 , H10K85/6574 , C07D421/14 , H10K85/6576 , H10K85/6572 , C07F7/0812 , H10K85/40 , C07F7/30 , H10K85/30 , H10K85/652 , C07D421/10 , C07D491/048 , H10K85/636 , H10K85/631 , H10K85/633 , H10K85/615 , H10K85/622 , H10K50/11 , C07B2200/05
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 an organic electroluminescent compound according to the present disclosure and a plurality of host materials comprising the same, an organic electroluminescent device having a low driving voltage and/or a high luminous efficiency and/or a long lifespan can be prepared.
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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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38.
公开(公告)号:US20220209137A1
公开(公告)日:2022-06-30
申请号:US17690331
申请日:2022-03-09
Inventor: Hong-Se OH , Young-Kwang KIM , Doo-Hyeon MOON
IPC: H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has a high glass transition temperature that can be used in a deposition process. Further, by comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having a low driving voltage, high luminous efficiency, and/or improved lifespan characteristics can be provided.
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公开(公告)号:US20220165956A1
公开(公告)日:2022-05-26
申请号:US17670572
申请日:2022-02-14
Inventor: Sang-Hee CHO , Doo-Hyeon MOON , Bitnari KIM
Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. The organic electroluminescent device of the present disclosure can exhibit excellent lifespan characteristics while maintaining high luminous efficiency by including a specific combination of a plurality of host compounds.
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公开(公告)号:US20220102633A1
公开(公告)日:2022-03-31
申请号:US17532294
申请日:2021-11-22
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: H01L51/00 , C09K11/06 , H05B33/20 , C07D209/86 , C07D405/14 , C07D409/14 , C09K11/02
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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