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21.
公开(公告)号:US20230413667A1
公开(公告)日:2023-12-21
申请号:US18323036
申请日:2023-05-24
发明人: Doo-Hyeon MOON , Mi-Ja LEE , Kyoung-Jin PARK , Yea-Mi SONG , Hyun-Ju KANG , Hyo-Jung LEE , Chi-Sik KIM , DaiKyu KIM
IPC分类号: H10K85/60 , C07D403/04 , C09K11/06 , C07D403/10
CPC分类号: H10K85/6572 , C07D403/04 , C09K11/06 , H10K85/654 , C07D403/10 , H10K2101/90
摘要: 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 a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having significantly improved lifespan characteristics can be provided.
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22.
公开(公告)号:US20230345827A1
公开(公告)日:2023-10-26
申请号:US18056342
申请日:2022-11-17
发明人: Bitnari KIM , Doo-Hyeon MOON , Su-Hyun LEE , Du-Yong PARK , So-Young JUNG , Hae-Yeon KIM , Sang-Hee CHO
IPC分类号: H10K85/60
CPC分类号: H10K85/6572 , H10K85/633 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K85/615
摘要: 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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23.
公开(公告)号:US20230329107A1
公开(公告)日:2023-10-12
申请号:US18321074
申请日:2023-05-22
发明人: So-Young JUNG , Su-Hyun LEE , Mi-Ja LEE , Doo-Hyeon MOON , Sang-Hee CHO
IPC分类号: H10K85/60
CPC分类号: H10K85/6572 , H10K85/615 , H10K85/626 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K50/11
摘要: 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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24.
公开(公告)号:US20230225197A1
公开(公告)日:2023-07-13
申请号:US18184868
申请日:2023-03-16
发明人: Doo-Hyeon MOON , Hyo-Nim SHIN , Hong-Se OH , Dong-Hyung LEE , So-Mi PARK , Du-Yong PARK
CPC分类号: H10K85/631 , H10K85/621 , H10K85/626 , H10K85/6574 , H10K85/6576 , H10K85/636 , H10K85/6572 , H10K50/16
摘要: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent device with improved driving voltage and/or power efficiency can be provided by using the organic electroluminescent compound according to the present disclosure.
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25.
公开(公告)号:US20230217820A1
公开(公告)日:2023-07-06
申请号:US18075632
申请日:2022-12-06
发明人: Doo-Hyeon MOON , Sung-Woo JANG , Mi-Ja LEE , Kyoung-Jin PARK , Du-Yong PARK , Hyo-Soon PARK
IPC分类号: H10K85/60 , C07D471/04 , C09K11/06
CPC分类号: H01L51/0072 , C07D471/04 , C09K11/06 , H01L51/0067 , H01L51/5016
摘要: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by the following formula 1 and at least one second host compound represented by the following formula 2, and an organic electroluminescent device comprising the same. By comprising the specific combination of the compound according to the present disclosure as host materials, an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics can be provided.
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公开(公告)号:US20220077406A1
公开(公告)日:2022-03-10
申请号:US17466372
申请日:2021-09-03
发明人: Yoo Jin DOH , Soo-Yong LEE , Chi-Sik KIM , Seung-Hoon YOO , Dong-Hyung LEE , Doo-Hyeon MOON , Soo-Jin HWANG
IPC分类号: H01L51/00
摘要: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device according to the present disclosure may exhibit low voltage, high efficiency, and/or long lifespan by including a light-emitting layer and an electron buffer layer comprising a specific organic electroluminescent material.
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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
发明人: Bitnari KIM , Su-Hyun LEE , So-Young JUNG , Doo-Hyeon MOON , Du-Yong PARK , Sang-Hee CHO , Hae-Yeon KIM
IPC分类号: H01L51/00 , C07D487/04 , C09K11/06 , C07D209/94 , C07D487/16 , C07D409/04 , C07D405/10 , C07D409/10 , C07D251/24
摘要: 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
发明人: Bitnari KIM , Su-Hyun LEE , Doo-Hyeon MOON , So-Young JUNG , Du-Yong PARK , Hae-Yeon KIM , Sang-Hee CHO , Jin-Ri HONG
IPC分类号: H01L51/00
摘要: 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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29.
公开(公告)号:US20190221751A1
公开(公告)日:2019-07-18
申请号:US16327955
申请日:2017-09-15
发明人: Sang-Hee CHO , Doo-Hyeon MOON
CPC分类号: H01L51/0072 , H01L51/0052 , H01L51/0067 , H01L51/0073 , H01L51/0074 , H01L51/5004 , H01L51/5012 , H01L51/5056 , H01L51/5072 , H01L51/5092 , H01L51/5096
摘要: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure comprises a specific combination of an electron buffer material and an electron transport material which can provide high efficiency and/or long lifespan.
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30.
公开(公告)号:US20190214572A1
公开(公告)日:2019-07-11
申请号:US16331541
申请日:2017-09-22
发明人: Sang-Hee CHO , Doo-Hyeon MOON
IPC分类号: H01L51/00 , C07D413/10 , C07D403/10
CPC分类号: H01L51/0067 , C07D403/10 , C07D413/10 , C09K11/06 , H01L51/0071 , H01L51/0072 , H01L51/0077 , H01L51/5004 , H01L51/5012 , H01L51/5076 , H01L51/508 , H01L2251/552
摘要: The present disclosure relates to an organic electroluminescent device comprising a first electrode, a second electrode facing the first electrode, a light-emitting layer between the first electrode and the second electrode, and an electron transport layer and an electron buffer layer between the light-emitting layer and the second electrode. An organic electroluminescent device having low driving voltage, high luminous efficiency and/or long lifespan can be provided by comprising the compound of the present disclosure in an electron buffer layer and an electron transport layer.
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