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公开(公告)号:US20240276872A1
公开(公告)日:2024-08-15
申请号:US18404236
申请日:2024-01-04
Inventor: So-Young JUNG , Tae-Jun HAN , YeJin JEON , Seung-Hyun YOON , Young-Jae KIM , Hyun-Ju KANG , Bitnari KIM , Sang-Hee CHO
IPC: H10K85/60 , C07D209/88 , C07D405/04 , C07D405/12 , C09K11/06
CPC classification number: H10K85/622 , C07D209/88 , C07D405/04 , C07D405/12 , C09K11/06 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/654 , H10K85/6574 , H10K2101/90
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 3 different from the first host compound, 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 low driving voltage, high luminous efficiency, and/or significantly improved lifespan characteristic, can be provided.
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2.
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: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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4.
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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6.
公开(公告)号:US20220173330A1
公开(公告)日:2022-06-02
申请号:US17432359
申请日:2020-01-16
Inventor: So-Young JUNG , Ji-Song JUN , Su-Hyun LEE , Sang-Hee CHO
IPC: H01L51/00 , C09K11/02 , C09K11/06 , C07D487/06 , C07D491/06
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 of the present disclosure, it is possible to provide an organic electroluminescent device having improved operating voltage, luminous efficiency, lifetime, and/or power efficiency.
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公开(公告)号:US20220123223A1
公开(公告)日:2022-04-21
申请号:US17488130
申请日:2021-09-28
Inventor: Hee-Ryong KANG , Sang-Hee CHO , So-Young JUNG , Jin-Ri HONG , So-Mi PARK
IPC: H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 2′, 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 or a specific combination of compounds of the present disclosure, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency, and/or lifespan characteristics.
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公开(公告)号:US20210296595A1
公开(公告)日:2021-09-23
申请号:US17186496
申请日:2021-02-26
Inventor: Sang-Hee CHO , So-Young JUNG , Mi-Ja LEE , Su-Hyun LEE , Jin-Ri HONG
IPC: H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 2-1, 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 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 lower driving voltage, higher luminous efficiency, and/or improved lifetime properties, compared to conventional organic electroluminescent devices.
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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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公开(公告)号:US20240208924A1
公开(公告)日:2024-06-27
申请号:US18529050
申请日:2023-12-05
Inventor: Eun-Joung CHOI , Hae-Yeon KIM , So-Mi PARK , Jeong-Hwan JEON , So-Young JUNG , Yoo-Jin DOH , Dominea RATHWELL , Mi-Ran SEO
IPC: C07D401/04 , C07B59/00 , C07D413/14 , C07D417/14 , H10K85/60
CPC classification number: C07D401/04 , C07B59/004 , C07D413/14 , C07D417/14 , H10K85/615 , H10K85/654 , H10K85/6574 , H10K85/6576 , C07B2200/05
Abstract: The present disclosure relates to compounds and organic electroluminescent devices comprising them. When a compound according to the invention is included in specific organic electroluminescent devices, the organic electroluminescent devices may exhibit low drive voltage, high luminous efficiency, and improved lifespan properties
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