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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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2.
公开(公告)号:US20240114777A1
公开(公告)日:2024-04-04
申请号:US18355537
申请日:2023-07-20
Inventor: So-Young JUNG , Hyo-Nim SHIN , Doo-Hyeon MOON , Sang-Hee CHO , Hyun-Ju KANG
IPC: H10K85/60 , C07D307/91 , C07D487/04
CPC classification number: H10K85/636 , C07D307/91 , C07D487/04 , H10K85/615 , H10K85/626 , H10K85/654 , H10K85/6574 , H10K50/11 , H10K85/6572
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 a specific combination of compounds according to the present disclosure as a plurality of host materials or by comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having lower driving voltage, higher luminous efficiency, and/or longer lifetime properties compared to the conventional organic electroluminescent devices.
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3.
公开(公告)号:US20240090321A1
公开(公告)日:2024-03-14
申请号:US18353356
申请日:2023-07-17
Inventor: So-Young JUNG , Hyun-Ju KANG , Sang-Hee CHO , Tae-Jun HAN , Hyo-Nim SHIN , Eun-Joung CHOI
IPC: H10K85/60 , C07C211/61 , C09K11/06
CPC classification number: H10K85/633 , C07C211/61 , C09K11/06 , H10K50/11
Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.
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4.
公开(公告)号:US20230292610A1
公开(公告)日:2023-09-14
申请号:US18178712
申请日:2023-03-06
Inventor: Sang-Hee CHO , Young-Jae KIM , Hyo-Nim SHIN , So-Young JUNG , Mi-Ja LEE , Su-Hyun LEE , Hae-Yeon KIM
CPC classification number: H10K85/6574 , H10K85/636 , H10K85/657 , H10K85/631 , H10K85/6576 , H10K85/654 , H10K50/11 , H10K2102/302
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. An organic electroluminescent device with improved driving voltage, luminous efficiency and/or lifespan properties can be provided by comprising the organic electroluminescent compound or the specific combination of compounds according to the present disclosure as a host material.
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5.
公开(公告)号:US20230284525A1
公开(公告)日:2023-09-07
申请号:US18163597
申请日:2023-02-02
Inventor: Hyun-Ju KANG , Jeong-Hwan JEON , So-Mi PARK , Sang-Hee CHO , Hyun-Woo KANG , Kyoung-Jin PARK , Dong-Gil KIM
CPC classification number: H10K85/657 , H10K50/11 , H10K85/622 , H10K85/631 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576
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 organic electroluminescent compound according to the present disclosure as a single host material, or by comprising the 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 driving voltage and/or luminous efficiency.
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6.
公开(公告)号:US20230180604A1
公开(公告)日:2023-06-08
申请号:US18062715
申请日:2022-12-07
Inventor: Hee-Choon AHN , Doo-Hyeon MOON , Sang-Hee CHO
CPC classification number: H01L51/0072 , H01L51/006 , H01L51/0058 , H01L51/0061 , H01L51/0067 , H01L51/0071 , H01L51/0073 , H01L51/0074 , H01L51/5004 , H01L51/5012 , H01L51/5092 , H01L51/508 , H01L51/5056 , H01L51/5076 , H01L2251/552 , H01L2251/558
Abstract: 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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公开(公告)号:US20230141672A1
公开(公告)日:2023-05-11
申请号:US17952499
申请日:2022-09-26
Inventor: So-Young JUNG , Jin-Ri HONG , Su-Hyun LEE , Sang-Hee CHO , So-Mi PARK , Seung-Hyun YOON
IPC: H01L51/00 , C07D307/91 , C07D345/00 , C07D405/10 , C09K11/02
CPC classification number: H01L51/006 , C07D307/91 , C07D345/00 , H01L51/0061 , C07D405/10 , H01L51/0067 , H01L51/0073 , C09K11/025 , H01L51/5016
Abstract: The present disclosure relates to 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 a 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, and/or lifetime properties.
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8.
公开(公告)号:US20220255017A1
公开(公告)日:2022-08-11
申请号:US17612155
申请日:2020-06-16
Inventor: Hyo-Jung LEE , Jin-Ri HONG , Hyo-Soon PARK , Sang-Hee CHO , Dong-Hyung LEE , Tae-Jun HAN , Ye-Jin JEON
IPC: H01L51/00 , C07D401/04 , C09K11/06 , C07D401/10 , C07D209/94
Abstract: The present disclosure relates to an organic electroluminescent compound 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 having good thermal stability, low driving voltage, high luminous efficiency and/or improved lifetime properties.
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9.
公开(公告)号:US20220162210A1
公开(公告)日:2022-05-26
申请号:US17442469
申请日:2020-03-24
Inventor: Hong-Se OH , Sung-Woo JANG , Joon-Hyung KIL , Seon-Jin HWANG , Seung-Ae KIM , Hee-Ryong KANG , Sang-Hee CHO , Hyo-Soon PARK
IPC: C07D487/00 , C07D519/00 , H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to provide an organic electroluminescent device which can be deposited at a low deposition temperature and/or in which clogging is reduced.
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公开(公告)号:US20220069228A1
公开(公告)日:2022-03-03
申请号:US17391166
申请日:2021-08-02
Inventor: Hyo-Soon PARK , Kyoung-Jin PARK , Sang-Hee CHO , So-Mi PARK , Dong-Hyung LEE
IPC: H01L51/00 , C07D403/10 , C07D307/91
Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1, a plurality of host materials comprising a combination of specific compounds, and an organic electroluminescent device comprising the same. The organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifespan properties can be provided by including the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material(s).
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