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11.
公开(公告)号:US20190221752A1
公开(公告)日:2019-07-18
申请号:US16331543
申请日:2017-08-22
Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD
Inventor: Su-Hyun LEE , Chi-Sik KIM , Hee-Ryong KANG , Bitnari KIM
IPC: H01L51/00 , C07D487/04
CPC classification number: H01L51/0072 , C07D487/04 , H01L51/0052 , H01L51/0067 , H01L51/5016
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 can provide an organic electroluminescent device having low driving voltage and/or high power efficiency properties.
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公开(公告)号:US20240107794A1
公开(公告)日:2024-03-28
申请号:US18457633
申请日:2023-08-29
Inventor: Su-Hyun LEE , Soo-Yong LEE , Chi-Sik KIM , HaeYeon KIM , Yoo-Jin DOH , SeungAe KIM , Mi-Ja LEE
CPC classification number: H10K50/18 , C07D235/18 , C09K11/06 , H10K50/11 , H10K50/16 , H10K85/626 , H10K85/6572 , H10K2101/90
Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device according to the present disclosure includes a deuterated organic electroluminescent material, so it can exhibit a low driving voltage and high luminous efficiency.
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13.
公开(公告)号:US20230345827A1
公开(公告)日:2023-10-26
申请号:US18056342
申请日:2022-11-17
Inventor: Bitnari KIM , Doo-Hyeon MOON , Su-Hyun LEE , Du-Yong PARK , So-Young JUNG , Hae-Yeon KIM , Sang-Hee CHO
IPC: H10K85/60
CPC classification number: H10K85/6572 , H10K85/633 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K85/615
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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14.
公开(公告)号:US20230329107A1
公开(公告)日:2023-10-12
申请号:US18321074
申请日:2023-05-22
Inventor: So-Young JUNG , Su-Hyun LEE , Mi-Ja LEE , Doo-Hyeon MOON , Sang-Hee CHO
IPC: H10K85/60
CPC classification number: H10K85/6572 , H10K85/615 , H10K85/626 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K50/11
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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15.
公开(公告)号:US20230292611A1
公开(公告)日:2023-09-14
申请号:US18182569
申请日:2023-03-13
Inventor: So-Young JUNG , Su-Hyun LEE , Sang-Hee CHO , Ji-Song JUN , Jin-Ri HONG , Mi-Ja LEE
IPC: H10K85/60 , C07D405/04 , C07D405/14 , C07D409/14 , H10K85/40 , C07F7/08 , C07D405/10 , C07D409/04 , C07D491/048 , H10K50/11
CPC classification number: H10K85/6574 , H10K85/654 , C07D405/04 , C07D405/14 , H10K85/6576 , C07D409/14 , H10K85/615 , H10K85/6572 , H10K85/40 , C07F7/0812 , C07D405/10 , C07D409/04 , C07D491/048 , H10K50/11 , H10K85/636 , H10K85/631 , H10K85/633 , C07B2200/05
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 and/or the plurality of host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be provided.
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公开(公告)号:US20230272275A1
公开(公告)日:2023-08-31
申请号:US18302882
申请日:2023-04-19
Inventor: Young-Mook LIM , Su-Hyun LEE , Hyun-Ju KANG , Chi-Sik KIM
IPC: C09K11/06 , C07D401/14 , C07D403/14 , C07D487/04 , C07D491/048 , C07D495/04 , H10K50/11 , H10K85/60 , H05B33/10
CPC classification number: C09K11/06 , C07D401/14 , C07D403/14 , C07D487/04 , C07D491/048 , C07D495/04 , H10K50/11 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H05B33/10 , C09K2211/1037 , C09K2211/1059 , C09K2211/1011 , C09K2211/1007 , C09K2211/1029 , C09K2211/1044 , C09K2211/1033 , H10K2101/10
Abstract: The present invention relates to phosphorous host materials and an organic electroluminescent device comprising the same. By using the phosphorous host material of the present invention, an organic electroluminescent device having significantly improved operational lifespan can be produced.
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17.
公开(公告)号:US20220216430A1
公开(公告)日:2022-07-07
申请号:US17689508
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:US20220123233A1
公开(公告)日:2022-04-21
申请号:US17285822
申请日:2019-09-25
Inventor: Su-Hyun LEE , Hyo-Nim SHIN , Bitnari KIM , So-Young JUNG
IPC: H01L51/00 , C07D405/14 , C09K11/06 , C07D405/10
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 a host material, it is possible to provide an organic electroluminescent device having low driving voltage, high luminous efficiency, high power efficiency and/or improved lifespan properties, compared to conventional organic electroluminescent devices.
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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
Inventor: Bitnari KIM , Su-Hyun LEE , So-Young JUNG , Doo-Hyeon MOON , Du-Yong PARK , Sang-Hee CHO , Hae-Yeon KIM
IPC: H01L51/00 , C07D487/04 , C09K11/06 , C07D209/94 , C07D487/16 , C07D409/04 , C07D405/10 , C07D409/10 , C07D251/24
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 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
Inventor: Bitnari KIM , Su-Hyun LEE , Doo-Hyeon MOON , So-Young JUNG , Du-Yong PARK , Hae-Yeon KIM , Sang-Hee CHO , Jin-Ri HONG
IPC: H01L51/00
Abstract: 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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