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11.发明申请公开(公告)号：US20180182973A1
公开(公告)日：2018-06-28
申请号：US15735972
申请日：2016-04-25
Inventor： Bitnari Kim , Hee-Ryong Kang , Young-Mook Lim , Jin-Ri Hong , Tae-Jin Lee , Sang-Hee Cho
IPC: H01L51/00
CPC classification number: H01L51/0061 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1059 , C09K2211/1088 , C09K2211/1092 , H01L51/0052 , H01L51/0059 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0085 , H01L51/5016 , H01L2251/5384
Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer disposed between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant, wherein the host comprises a plurality of host compounds, wherein at least a first host compound of the plurality of host compounds has an amine-carbazole structure substituted with naphthyl-phenyl and aryl (Formula 1), and a second host compound has a di-C-benzocarbazole structure comprising nitrogen-containing heteroaryl (Formula 2). By using the plurality of host compounds of the present disclosure, the organic electroluminescent device may have long lifespan while maintaining high efficiency at high luminance compared to the conventional organic electroluminescent device using a sole host compound.
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12.发明申请公开(公告)号：US20170279056A1
公开(公告)日：2017-09-28
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
CPC classification number: H01L51/0072 , C07F7/0812 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/1044 , C09K2211/1088 , C09K2211/1092 , C09K2211/181 , C09K2211/185 , H01L51/001 , H01L51/0052 , H01L51/0058 , H01L51/0061 , H01L51/0067 , H01L51/0073 , H01L51/0074 , H01L51/0077 , H01L51/0085 , H01L51/5016 , H01L51/5064 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/56 , H01L2251/5384 , H01L2251/558
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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13.发明申请公开(公告)号：US20170179406A1
公开(公告)日：2017-06-22
申请号：US15324272
申请日：2015-07-08
Inventor： Hee-Ryong Kang , Hyun-Ju Kang , Doo-Hyeon Moon , Young-Mook Lim , Bitnari Kim , Nam-Kyun Kim
IPC: H01L51/00 , C09K11/02 , C07D487/22
CPC classification number: H01L51/0072 , C07D487/16 , C07D487/22 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1033 , C09K2211/1074 , C09K2211/185 , H01L51/0067 , H01L51/0074 , H01L51/5016
Abstract: The present invention relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention can produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and remarkably improved driving lifespan.
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14.发明申请公开(公告)号：US20220290042A1
公开(公告)日：2022-09-15
申请号：US17752425
申请日：2022-05-24
Inventor： Hee-Ryong Kang , Jin-Ri Hong , Bitnari Kim , Sang-Hee Cho
IPC: C09K11/06 , C09B57/10 , H01L51/00 , C09B57/00 , C07D209/82 , C07D251/24 , C07D403/10 , H01L51/50
Abstract: The present invention relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention can be comprised in a light-emitting layer or an electron buffer layer, and is effective to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and significantly improved operational lifespan.
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15.发明申请公开(公告)号：US20220194973A1
公开(公告)日：2022-06-23
申请号：US17499530
申请日：2021-10-12
Inventor： Ku-Sun Choung , Hee-Jun Park , Hee-Ryong Kang , Kyoung-Jin Park , Hyun Kim , Ga-Won Lee , Seung-hyun Yoon
Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan. Ir(LA)m(LB)n [Formula 1]
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Patent Agency Ranking
16.发明授权公开(公告)号：US11302874B2
公开(公告)日：2022-04-12
申请号：US16483065
申请日：2018-02-26
Inventor： Jeong-Eun Yang , Hong-Se Oh , Hee-Ryong Kang , Young-Gil Kim , Sang-Hee Cho
IPC: H01L51/00 , C07D403/14 , C07D407/14 , C07D409/14 , C07D471/16 , C07D495/04 , C07D513/04 , H01L51/50
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, it is possible to provide an organic electroluminescent device having excellent thermal stability, low driving voltage, high luminous efficiency, and/or improved lifespan properties.
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17.发明授权公开(公告)号：US09997724B2
公开(公告)日：2018-06-12
申请号：US15509588
申请日：2015-09-25
Inventor： Bitnari Kim , Hee-Ryong Kang , Hyun-Ju Kang , Jin-Ri Hong , Young-Mook Lim , Doo-Hyeon Moon
IPC: C07D487/16 , C07D487/22 , C07D471/16 , C09K11/06 , H01L51/54 , H05B33/14 , H01L51/00 , C07D519/00 , C07D471/22 , H01L51/50
CPC classification number: H01L51/0072 , C07D471/16 , C07D471/22 , C07D487/16 , C07D487/22 , C07D519/00 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1018 , C09K2211/1022 , C09K2211/1029 , C09K2211/1044 , H01L51/001 , H01L51/0061 , H01L51/0073 , H01L51/0074 , H01L51/5016 , H01L51/5056 , H01L51/5088 , H01L2251/558
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 has good color purity, solubility, and thermal stability. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device showing low driving voltage, excellent current and power efficiencies, and significantly improved lifespan can be provided.
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18.发明授权公开(公告)号：US09806271B2
公开(公告)日：2017-10-31
申请号：US15325140
申请日：2015-07-10
Inventor： Mi-Ja Lee , Bitnari Kim , Nam-Kyun Kim , Hee-Ryong Kang
IPC: C07D487/04 , H01L51/00 , C09K11/02 , H01L51/50
CPC classification number: H01L51/0072 , C07D403/04 , C07D403/10 , C07D405/04 , C07D405/10 , C07D409/04 , C07D409/10 , C07D409/14 , C07D487/04 , C07D491/048 , C07D495/04 , C07D519/00 , C07F7/0812 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1088 , C09K2211/1092 , C09K2211/185 , H01L51/0085 , H01L51/5016 , H05B33/14 , H05B33/22
Abstract: The present disclosure relates to an organic electroluminescent compound of Formula 1 (variables Y1, Y2 and R1 to R4 defined herein), and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present disclosure can be used for the manufacture of an organic electroluminescent device showing improvement in luminous efficiency, especially in current efficiency.
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19.发明申请公开(公告)号：US20170309841A1
公开(公告)日：2017-10-26
申请号：US15517534
申请日：2015-10-16
Inventor： Hyun Kim , Hee-Ryong Kang , Doo-Hyeon Moon , Hyun-Ju Kang , Hong-Yeop Na , Bitnari Kim
IPC: H01L51/00 , C07D495/04 , C07D405/14 , C07D409/14 , C07D487/04 , C07D491/048 , C07D403/04 , C09K11/06 , C09K11/02 , C07F7/08 , C07F3/06 , C07F3/00 , C07D519/00 , C07D403/14 , C07D403/10 , H01L51/50
CPC classification number: H01L51/0092 , C07D403/04 , C07D403/10 , C07D403/14 , C07D405/14 , C07D409/14 , C07D487/04 , C07D491/048 , C07D495/04 , C07D519/00 , C07F3/006 , C07F3/06 , C07F7/0814 , C07F15/0033 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/145 , C09K2211/1458 , C09K2211/1466 , C09K2211/185 , H01L51/0052 , H01L51/0067 , H01L51/0069 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0077 , H01L51/0085 , H01L51/0094 , H01L51/5016 , H01L2251/5384
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 a long lifespan.
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20.发明申请公开(公告)号：US20170301867A1
公开(公告)日：2017-10-19
申请号：US15509588
申请日：2015-09-25
Inventor： Bitnari Kim , Hee-Ryong Kang , Hyun-Ju Kang , Jin-Ri Hong , Young-Mook Lim , Doo-Hyeon Moon
IPC: H01L51/00 , C07D519/00 , C09K11/06 , C07D471/22 , C07D487/16 , H01L51/50
CPC classification number: H01L51/0072 , C07D471/16 , C07D471/22 , C07D487/16 , C07D487/22 , C07D519/00 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1018 , C09K2211/1022 , C09K2211/1029 , C09K2211/1044 , H01L51/001 , H01L51/0061 , H01L51/0073 , H01L51/0074 , H01L51/5016 , H01L51/5056 , H01L51/5088 , H01L2251/558
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 has good color purity, solubility, and thermal stability. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device showing low driving voltage, excellent current and power efficiencies, and significantly improved lifespan can be provided.
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