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公开(公告)号：US11751476B2
公开(公告)日：2023-09-05
申请号：US17328729
申请日：2021-05-24
发明人： Sang-Hee Cho , Jeong-Hwan Jeon , Hong-Yeop Na , Ji-Song Jun , Jae-Hoon Shim , Kyung-Hoon Choi , Chi-Sik Kim , Young-Jun Cho
IPC分类号： H10K85/60 , C07D403/14 , C07D409/14 , C07D487/04 , C07D495/04 , C07D403/12 , C07D405/14 , C07D405/04 , C07D471/04 , C07D403/04 , H10K85/30 , C07D403/10 , C09K11/02 , C09K11/06 , H10K30/80 , H10K50/18 , H10K50/15
CPC分类号： H10K85/6572 , C07D403/04 , C07D403/10 , C07D403/12 , C07D403/14 , C07D405/04 , C07D405/14 , C07D409/14 , C07D471/04 , C07D487/04 , C07D495/04 , C09K11/025 , C09K11/06 , H10K85/30 , H10K85/615 , H10K85/626 , H10K85/633 , H10K85/654 , H10K85/657 , H10K85/6574 , H10K85/6576 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , H10K30/865 , H10K50/157 , H10K50/18
摘要： The present invention relates to an electron buffering material and an organic electroluminescent device comprising the same in an electron buffer layer. It is possible to provide an organic electroluminescent device having excellent luminous efficiency and lifespan characteristics by using the electron buffering material according to the present invention.
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2.发明授权公开(公告)号：US11725138B2
公开(公告)日：2023-08-15
申请号：US17111339
申请日：2020-12-03
发明人： Hyun Kim , Ji-Won Um , Kyoung-Jin Park , Mi-Ja Lee , Chi-Sik Kim
IPC分类号： H01L51/00 , C07D413/14 , C09K11/06
CPC分类号： C09K11/06 , C07D413/14 , C09K2211/1018
摘要： 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 improved driving voltage, luminous efficiency, lifetime and/or power efficiency properties.
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3.发明授权公开(公告)号：US11557728B2
公开(公告)日：2023-01-17
申请号：US16908922
申请日：2020-06-23
发明人： Chi-Sik Kim , Young-Gil Kim , Hong-Se Oh , Dong-Hyung Lee
IPC分类号： H01L51/00 , C07C13/62 , C09K11/06 , C07D307/91 , H01L51/50
摘要： The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent device having improved driving voltage and/or current efficiency characteristics can be provided by comprising the organic electroluminescent compound according to the present disclosure.
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公开(公告)号：US20210210699A1
公开(公告)日：2021-07-08
申请号：US17205211
申请日：2021-03-18
发明人： Kyoung-Jin Park , Bitnari Kim , Yoo-Jin Doh , Hyun-Ju Kang , Young-Mook Lim , Su-Hyun Lee , Chi-Sik Kim
摘要： The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host comprises plural host compounds; at least a first host compound of the plural host compounds has a structure of a nitrogen-containing heterocyclic linker bonded to a nitrogen atom of a carbazole of an indole-carbazole, indene-carbazole, benzofuran-carbazole, or benzothiophene-carbazole residue; and a second host compound has a carbazole-aryl-carbazole or carbazole-carbazole structure. According to the present invention, by using a specific multi-component host different from the conventional organic electroluminescent device, an organic electroluminescent device of significantly improved lifespan is provided.
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5.发明申请公开(公告)号：US20210119134A1
公开(公告)日：2021-04-22
申请号：US17065742
申请日：2020-10-08
发明人： Chi-Sik Kim , Dong-Hyung Lee , Soo-Yong Lee , Seung-Hoon Yoo
摘要： The present disclosure relates to a plurality of light-emitting materials comprising at least one of first compounds and at least one of second compounds, wherein the first compound is represented by formula 1, and the second compound is represented by formula 2, and an organic electroluminescent device having high color purity and/or long lifespan properties can be provided by comprising the plurality of light-emitting materials.
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公开(公告)号：US20170222159A1
公开(公告)日：2017-08-03
申请号：US15329136
申请日：2015-07-29
发明人： Jeong-Eun Yang , Su-Hyun Lee , Chi-Sik Kim , Young-Jun Cho , Kyung-Hoon Choi , Sang-Hee Cho
IPC分类号： H01L51/00 , C07D495/04 , C07D491/048
CPC分类号： H01L51/0071 , C07D491/048 , C07D495/04 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0067 , H01L51/0072 , H01L51/5004 , H01L51/5008 , H01L51/5012 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/5096 , H01L2251/552
摘要： The present invention relates to an electron buffering material, and 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 zone and an electron buffering layer between the light-emitting layer and the second electrode. The electron buffering material of the present invention can produce an organic electroluminescent device having low driving voltage, excellent luminous efficiency, and long lifespan.
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公开(公告)号：US20170207398A1
公开(公告)日：2017-07-20
申请号：US15326628
申请日：2015-07-16
发明人： Jeong-Eun Yang , Su-Hyun Lee , Chi-Sik Kim , Young-Jun Cho , Kyung-Hoon Choi , Sang-Hee Cho , Jeong-Hwan Jeon , Hong-Yeop Na
IPC分类号： H01L51/00 , C07D495/04 , H01L51/50 , C07D405/14 , C09K11/02 , C07D491/048 , C09K11/06
CPC分类号： H01L51/0071 , C07D405/14 , C07D491/048 , C07D495/04 , C07F5/025 , C07F7/08 , C07F7/0812 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , H01L51/0052 , H01L51/0058 , H01L51/006 , H01L51/0061 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/0077 , H01L51/5004 , H01L51/5072 , H01L51/5076 , H01L2251/552
摘要： The present invention relates to an electron transport material comprising a compound of a certain structure, and an organic electroluminescent device comprising the same. The organic electroluminescent device comprising the electron transport material of the present invention has a low driving voltage, high luminous efficiency and good color purity, and thus effectively shows blue emission.
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8.发明申请NOVEL COMBINATION OF A HOST COMPOUND AND A DOPANT COMPOUND AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME 审中-公开宿主化合物和钆化合物的新组合以及包含该化合物的有机电致发光器件公开(公告)号：US20150249224A1
公开(公告)日：2015-09-03
申请号：US14426173
申请日：2013-09-10
发明人： So-Young Jung , Bong-Ok Kim , Chi-Sik Kim , Hyun Kim , Jong-Seok Ku , Hyuck-Joo Kwon , Kyung-Joo Lee , Kyoung-Jin Park
IPC分类号： H01L51/00 , C07D495/04 , C07D403/14 , C09K11/06 , C07D403/04 , C07D409/14 , C07D487/04 , C07D407/14 , C07F15/00 , C07D491/048
CPC分类号： H01L51/0085 , C07D213/89 , C07D251/12 , C07D403/04 , C07D403/14 , C07D405/14 , C07D407/14 , C07D409/14 , C07D487/04 , C07D491/048 , C07D495/04 , C07F15/0033 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1018 , C09K2211/1029 , C09K2211/1044 , C09K2211/1059 , C09K2211/1088 , C09K2211/1092 , C09K2211/185 , H01L51/0052 , H01L51/0058 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/5012 , H01L51/5016 , H05B33/10
摘要： The present invention relates to a specific combination of a dopant compound and a host compound, and an organic electroluminescent device comprising the same. The organic electroluminescent device according to the present invention, has an advantage of showing a higher luminous efficiency under a driving voltage lower than that of the device comprising conventional luminescent materials.
摘要翻译： 本发明涉及掺杂剂化合物和主体化合物的具体组合，以及包含其的有机电致发光器件。 根据本发明的有机电致发光器件具有在比包括常规发光材料的器件的驱动电压低的驱动电压下显示更高的发光效率的优点。
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公开(公告)号：US20180105740A1
公开(公告)日：2018-04-19
申请号：US15573167
申请日：2016-04-08
发明人： Young-Mook Lim , Su-Hyun Lee , Hyun-Ju Kang , Chi-Sik Kim
IPC分类号： C09K11/06 , C07D487/04 , H01L51/00 , H01L51/50 , C07D401/14 , C07D403/14 , C07D495/04 , C07D491/048 , H05B33/10
CPC分类号： C09K11/06 , C07D401/14 , C07D403/14 , C07D487/04 , C07D491/048 , C07D495/04 , C09K2211/1007 , C09K2211/1011 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1059 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/5016 , H05B33/10
摘要： 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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10.发明申请公开(公告)号：US20170352814A1
公开(公告)日：2017-12-07
申请号：US15671365
申请日：2017-08-08
发明人： Hyun-Ju Kang , Hee-Ryong Kang , Young-Gil Kim , Chi-Sik Kim , Seon-Woo Lee , Jeong-Eun Yang , Hee-Choon Ahn , Kyoung-Jin Park , Tae-Jin Lee
IPC分类号： H01L51/00 , C09K11/02 , C07D491/147 , H01L51/50
CPC分类号： H01L51/0071 , C07D491/147 , C09K11/025 , H01L51/0052 , H01L51/0072 , H01L51/0085 , H01L51/5016
摘要： The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present disclosure, it is possible to produce an organic electroluminescent device which has a low driving voltage, excellent current and power efficiencies, and improved operation lifespan.
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