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1.发明申请公开(公告)号：US20200161562A1
公开(公告)日：2020-05-21
申请号：US16567389
申请日：2019-09-11
发明人： Yoshimasa FUJITA , Keigo HOSHI , Yuuki MIYAZAKI
IPC分类号： H01L51/00 , C07D209/86 , C09K11/06
摘要： An organic electroluminescence device includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer may include a compound including a first phenyl group that is substituted with at least one cyano group and a second phenyl group that is substituted with five substituted or unsubstituted carbazole groups, the second phenyl group being directly bonded to the first phenyl group.
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公开(公告)号：US20240268229A1
公开(公告)日：2024-08-08
申请号：US18490682
申请日：2023-10-19
发明人： Keigo HOSHI , Ryuhei FURUE , Yoshiro SUGITA
CPC分类号： H10K85/658 , C07F5/027 , C09K11/06 , H10K50/12
摘要： A light emitting element may include a first electrode, a second electrode on the first electrode, at least one functional layer which is disposed between the first electrode and the second electrode and includes a fused polycyclic compound represented by Formula 1, the fused polycyclic compound including at least one electron-withdrawn group at the meta position with respect to the boron atom in the fused ring core of the fused polycyclic compound.
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公开(公告)号：US20230113459A1
公开(公告)日：2023-04-13
申请号：US17720576
申请日：2022-04-14
发明人： Keigo HOSHI
摘要： A light emitting diode of an embodiment includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes a polycyclic compound represented by Formula A or Formula B, thereby showing high emission efficiency properties and improved life characteristics.
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公开(公告)号：US20220223799A1
公开(公告)日：2022-07-14
申请号：US17391636
申请日：2021-08-02
发明人： Keigo HOSHI , Tetsuji HAYANO , Yuuki MIYAZAKI
IPC分类号： H01L51/00
摘要： Provided is a light emitting device including a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes at least one polycyclic compound represented by Formula 1 below, and may thus exhibit long life characteristics.
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公开(公告)号：US20240260292A1
公开(公告)日：2024-08-01
申请号：US18529142
申请日：2023-12-05
发明人： Hirokazu KUWABARA , Keigo HOSHI , Ryuhei FURUE
CPC分类号： H10K50/11 , C07F5/02 , C09K11/06 , H10K85/346 , H10K85/658 , C07B2200/05
摘要： Embodiments provide a light emitting element that includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1, thereby exhibiting long service life characteristics. Formula 1 is explained in the specification.
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6.发明申请公开(公告)号：US20210273175A1
公开(公告)日：2021-09-02
申请号：US17091619
申请日：2020-11-06
发明人： Hankyu PAK , Mun-ki SIM , Seokhwan HWANG , Junha PARK , Jang Yeol BAEK , Keigo HOSHI , Yuuki MIYAZAKI , Hyoyoung LEE , Minjung JUNG , Sun Young PAK , Chanseok OH
摘要： An organic electroluminescence device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer, wherein the organic layer includes a polycyclic compound represented by Formula 1. The organic electroluminescence device may have high emission efficiency.
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7.发明申请公开(公告)号：US20210143342A1
公开(公告)日：2021-05-13
申请号：US16933819
申请日：2020-07-20
发明人： Keigo HOSHI
IPC分类号： H01L51/00 , C07D401/14 , C09K11/06
摘要： An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and containing an aromatic compound, wherein the aromatic compound includes a benzene ring, two unsubstituted carbazole groups directly bonded to the benzene ring, two substituted carbazole groups directly bonded to the benzene ring and each substituted with a nitrogen-containing ring group, and a substituent directly bonded to the benzene ring and selected from a cyano group, a fluorine, or a C1-C10 alkyl group substituted with a fluorine. The organic electroluminescence device may obtain good luminous efficiency and long life (long lifespan) characteristics while emitting blue light.
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公开(公告)号：US20240284796A1
公开(公告)日：2024-08-22
申请号：US18503982
申请日：2023-11-07
发明人： Hirokazu KUWABARA , Keigo HOSHI , Ryuhei FURUE
CPC分类号： H10K85/658 , C07F5/027 , C09K11/06 , H10K50/12
摘要： A light emitting element including a first electrode, a second electrode facing the first electrode, and a functional layer provided between the first electrode and the second electrode is provided. The functional layer includes a fused polycyclic compound having sterically bulky substituents that may control aggregation and increase intermolecular distances thereby reducing energy transfer and increasing the integrity of the constituent layers of the light emitting element (e.g., a blue light emitting element).
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公开(公告)号：US20240284795A1
公开(公告)日：2024-08-22
申请号：US18483645
申请日：2023-10-10
发明人： Hirokazu KUWABARA , Keigo HOSHI , Ryuhei FURUE
CPC分类号： H10K85/658 , C09K11/06 , H10K85/6572 , H10K2101/20
摘要： Embodiments provide a fused polycyclic compound and a light emitting element that includes the fused polycyclic compound. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes the fused polycyclic compound. The fused polycyclic compound is represented by Formula 1, which is explained in the specification.
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公开(公告)号：US20240284691A1
公开(公告)日：2024-08-22
申请号：US18506095
申请日：2023-11-09
发明人： Keigo HOSHI , Hirokazu KUWABARA , Yuji SUZAKI
CPC分类号： H10K50/11 , C09K11/06 , H10K50/15 , H10K50/16 , C09K2211/1014
摘要： A light emitting element may include a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including a fused polycyclic compound represented by Formula 1, the fused polycyclic compound including at least one carbazole substituent directly linked to the fused ring core and including at least one cyano group.
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