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公开(公告)号:US11737353B2
公开(公告)日:2023-08-22
申请号:US17670572
申请日:2022-02-14
Inventor: Sang-Hee Cho , Doo-Hyeon Moon , Bitnari Kim
IPC: H10K85/60 , C09K11/06 , H10K50/11 , H10K50/12 , H10K101/10 , H10K101/00
CPC classification number: H10K85/631 , C09K11/06 , H10K85/624 , H10K85/654 , H10K85/656 , H10K50/11 , H10K50/12 , H10K2101/10 , H10K2101/90
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:US10454044B2
公开(公告)日:2019-10-22
申请号:US15774288
申请日:2016-11-01
Inventor: Young-Mook Lim , Bitnari Kim
IPC: H01L51/00 , C07D209/86 , C07D403/10 , C07D495/04 , C07D491/048 , C07D209/08 , H01L51/50
Abstract: The present disclosure relates to a host material and an organic electroluminescent device comprising the same. By using a specific combination of two or more host compounds according to the present disclosure, the organic electroluminescent device of the present disclosure has luminous efficiency at least equivalent to or higher than conventional devices and has lifespan better than conventional devices.
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3.
公开(公告)号:US10069086B2
公开(公告)日:2018-09-04
申请号:US15503742
申请日:2015-08-20
Inventor: Bitnari Kim , Nam-Kyun Kim , Hong-Yeop Na , Tae-Jin Lee , Kyung-Hoon Choi , Jae-Hoon Shim , Young-Jun Cho , Hee-Ryong Kang , Young-Mook Lim , Hyun-Ju Kang , Doo-Hyeon Moon , Ji-Song Jun , Hee-Choon Ahn , Young-Kwang Kim , Jin-Ri Hong
Abstract: The present invention relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising a specific combination of a plurality of host compounds, the organic electroluminescent device according to the present invention provides excellent lifespan characteristics while maintaining high luminous efficiency.
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4.
公开(公告)号:US20170342057A1
公开(公告)日:2017-11-30
申请号:US15525077
申请日:2015-11-11
Inventor: Jae-Hoon Shim , Kyoung-Jin Park , Yoo-Jin Doh , Bitnari Kim
IPC: C07D403/10 , C09K11/06 , H01L51/00 , C07D405/14 , C07F7/08 , C07D495/04 , C07D487/04 , C07D409/14 , H05B33/14 , C07D403/14
CPC classification number: C07D403/10 , C07D403/14 , C07D405/14 , C07D409/14 , C07D487/04 , C07D495/04 , C07F7/0812 , C09K11/06 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0085 , H01L51/5016 , H01L2251/5384 , H05B33/14
Abstract: The present invention relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising a specific combination of a plurality of host compounds, the organic electroluminescent device according to the present invention provides high efficiency and long lifespan.
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5.
公开(公告)号:US20170305854A1
公开(公告)日:2017-10-26
申请号:US15518276
申请日:2015-10-22
Inventor: Su-Hyun Lee , Hee-Choon Ahn , Young-Mook Lim , Bitnari Kim , Tae-Jin Lee
IPC: C07D209/86 , C09K11/06 , H01L51/00
CPC classification number: C09K11/06 , C07D209/86 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1059 , C09K2211/1088 , C09K2211/1092 , C09K2211/185 , H01L51/0052 , H01L51/0058 , H01L51/0067 , H01L51/0072 , H01L51/0074 , H01L51/0085 , H01L51/5016 , H01L51/5064 , H01L2251/5384
Abstract: The present disclosure relates to novel organic electroluminescent compounds and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound of the present disclosure, the organic electroluminescent device may improve driving lifespan while maintaining equal or greater efficiency compared to conventional devices.
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6.
公开(公告)号:US20170148998A1
公开(公告)日:2017-05-25
申请号:US15311534
申请日:2015-05-22
Inventor: Hee-Ryong Kang , Hyun-Ju Kang , Jin-Ri Hong , Doo-Hyeon Moon , Young-Mook Lim , Bitnari Kim , Nam-Kyun Kim
IPC: H01L51/00 , C09K11/02 , C07D403/10 , C07D403/04 , C07D409/14 , C09K11/06 , C07D403/14
CPC classification number: H01L51/0072 , C07D403/04 , C07D403/10 , C07D403/14 , C07D405/14 , C07D409/14 , C07D487/04 , C07D491/048 , C07D495/04 , C09K11/02 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1029 , C09K2211/1044 , C09K2211/1088 , C09K2211/1092 , H01L51/0052 , H01L51/0071 , H01L51/0074 , H01L51/0085 , H01L51/5016
Abstract: The present invention relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present invention, it is possible to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and noticeably improved driving lifespan.
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公开(公告)号:US12082496B2
公开(公告)日:2024-09-03
申请号:US17042652
申请日:2019-03-26
Inventor: Bitnari Kim , Sang-Hee Cho , Hyo-Jung Lee , Ye-Jin Jeon , Hyun-Ju Kang , Su-Hyun Lee , Jeong-Eun Yang
IPC: C09K11/06 , C07D209/86 , C07D209/88 , C07D403/04 , C07D403/10 , C07D487/16 , C07F15/00 , C09K11/02 , H10K85/30 , H10K85/60 , H10K50/11 , H10K101/00
CPC classification number: H10K85/636 , C07D209/86 , C07D209/88 , C07D403/04 , C07D403/10 , C07D487/16 , C07F15/0033 , C09K11/02 , C09K11/06 , H10K85/342 , H10K85/633 , H10K85/654 , H10K85/6572 , C09K2211/1007 , C09K2211/1029 , C09K2211/185 , H10K50/11 , H10K85/615 , H10K85/626 , H10K2101/90
Abstract: The present disclosure relates to a composition material for an organic electroluminescent device, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the composition material for an organic electroluminescent device of the present disclosure, it is possible to provide an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics.
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公开(公告)号:US11856850B2
公开(公告)日:2023-12-26
申请号:US16640082
申请日:2018-09-21
Inventor: Bitnari Kim , Su-Hyun Lee , So-Young Jung , Hyo-Soon Park , Tae-Jun Han , Young-Jun Cho , Sang-Hee Cho
IPC: H10K85/60 , C07D239/74 , C07D241/42 , C07D251/24 , C07D487/04 , C09K11/02 , C09K11/06 , H10K50/11 , H10K101/10 , H10K101/00
CPC classification number: H10K85/6572 , C07D239/74 , C07D241/42 , C07D251/24 , C07D487/04 , C09K11/025 , C09K11/06 , H10K85/654 , H10K85/6574 , H10K85/6576 , C09K2211/1018 , H10K50/11 , H10K2101/10 , H10K2101/90
Abstract: The present disclosure relates to a plurality of host materials and organic electroluminescent devices comprising the same. The present disclosure may provide a plurality of host materials having a composition favorable to thermal denaturation due to a low deposition temperature, while improving hole properties and electronic properties of HOMO and LUMO, by comprising separate compounds represented by formulas 1 and 2 into a light-emitting layer. By comprising the plurality of host materials of the present disclosure, it is possible to provide an organic electroluminescent device having a lower driving voltage, higher luminous efficiency and/or longer lifetime.
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9.
公开(公告)号:US11130747B2
公开(公告)日:2021-09-28
申请号:US15525077
申请日:2015-11-11
Inventor: Jae-Hoon Shim , Kyoung-Jin Park , Yoo-Jin Doh , Bitnari Kim
IPC: H01L51/50 , C07D403/10 , C07D403/14 , C07D405/14 , C07D409/14 , C07D487/04 , C07D495/04 , C07F7/08 , C09K11/06 , H01L51/00 , H05B33/14
Abstract: The present invention relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising a specific combination of a plurality of host compounds, the organic electroluminescent device according to the present invention provides high efficiency and long lifespan.
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10.
公开(公告)号:US20200332183A9
公开(公告)日:2020-10-22
申请号:US15521903
申请日:2015-11-04
Inventor: Hyun Kim , Hee-Ryong Kang , Sung-Woo Jang , Bitnari Kim
Abstract: Disclosed herein are combinations of a dopant compound and a host compound. The dopant being an Iridium complex and the host being a carbazole derivative. Also made known are electroluminescent devices comprising the same.
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