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公开(公告)号：US11832515B2
公开(公告)日：2023-11-28
申请号：US17118120
申请日：2020-12-10
Inventor： Chi-Sik Kim , Hyun Kim , Kyoung-Jin Park , Jin-Man Kim , Hyun-Woo Kang , So-Young Jung
IPC: H10K85/60 , C07D405/14 , H10K50/11 , H10K50/18 , H10K101/10 , H10K101/00 , C09K11/02
CPC classification number: H10K85/654 , C07D405/14 , C09K11/025 , H10K85/6572 , H10K85/6574 , H10K50/11 , H10K50/18 , H10K2101/10 , H10K2101/90
Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having improved driving voltage and/or luminous efficiency and/or lifespan characteristics can be provided, compared with the organic electroluminescent device comprising a conventional organic electroluminescent compound.
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2.发明授权公开(公告)号：US11963439B2
公开(公告)日：2024-04-16
申请号：US17894700
申请日：2022-08-24
Inventor： Eun-Joung Choi , Young-Kwang Kim , Su-Hyun Lee , So-Young Jung , YeJin Jeon , Hong-Se Oh , Dong-Hyung Lee , Jin-Man Kim , Hyun-Woo Kang , Mi-Ja Lee , Hee-Ryong Kang , Hyo-Nim Shin , Jeong-Hwan Jeon , Sang-Hee Cho
IPC: C09K11/06 , C07C211/61 , C07D209/08 , C07D209/86 , C07D213/38 , C07D239/26 , C07D265/38 , C07D307/79 , C07D307/91 , C07D333/76 , C07D345/00 , C07D403/14 , C07D405/14 , C07D409/14 , C07D491/048 , C07D495/04 , H10K85/60 , H10K50/15
CPC classification number: H10K85/633 , C07C211/61 , C07D307/91 , C07D345/00 , C09K11/06 , H10K85/636 , C07C2603/18 , C07C2603/52 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1018 , H10K50/156 , H10K85/623 , H10K85/626 , H10K85/657 , H10K85/6574
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, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
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3.发明公开公开(公告)号：US20230276690A1
公开(公告)日：2023-08-31
申请号：US17896508
申请日：2022-08-26
Inventor： Hyun KIM , Kyoung-Jin Park , So-Young Jung , Kyung-Hoon Choi , Seung-Ae Kim , Jin-Ri Hong , So-Mi Park , Mi-Ja Lee , Hyun-Woo Kang
IPC: H01L51/00 , C07F15/00 , C09K11/06 , C07D409/14 , C07D495/04 , C07D403/14 , C07D209/86
CPC classification number: H01L51/0085 , C07D209/86 , C07D403/14 , C07D409/14 , C07D495/04 , C07F15/0033 , C09K11/06 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0074 , H01L51/5012
Abstract: The present disclosure relates to an organic electroluminescent device including a first electrode; a second electrode; and at least one light-emitting layer(s) positioned between the first electrode and the second electrode, and wherein the light-emitting layer includes a host comprising a compound represented by formula 1 and a compound represented by formula 2, and a dopant comprising a compound represented by formula 3, so that the present disclosure may provide an organic electroluminescent device having high efficiency and long lifespan property.
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公开(公告)号：US20210210684A1
公开(公告)日：2021-07-08
申请号：US17119671
申请日：2020-12-11
Inventor： Dong Hyung Lee , Chi-Sik Kim , Soo-Yong Lee , Seung-Hoon Yoo , Doo-Hyeon Moon , Hyun-Woo Kang
IPC: H01L51/00 , C09K11/02 , C09K11/06 , C07C211/61
Abstract: The present disclosure relates to a plurality of organic electroluminescent materials comprising at least one first compound and at least one second compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds, in which the first compound is represented by formula 1 and the second compound is represented by formula 2, it is possible to provide an organic electroluminescent device having improved lifetime properties,
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