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公开(公告)号：US20240292751A1
公开(公告)日：2024-08-29
申请号：US18490017
申请日：2023-10-19
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Hirokazu KUWABARA
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , C09K2211/1018 , H10K50/12 , H10K2101/90
Abstract: 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. The emission layer includes a first compound represented by Formula 1, which is explained in the specification.
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公开(公告)号：US20240260467A1
公开(公告)日：2024-08-01
申请号：US18530901
申请日：2023-12-06
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Keigo HOSHI , Ryuhei FURUE
CPC classification number: H10K85/658 , C07B59/004 , C09K11/06 , H10K85/346 , H10K85/40 , H10K85/622 , H10K85/623 , H10K85/631 , H10K85/654 , H10K85/6572 , H10K2101/20
Abstract: 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. the emission layer includes a polycyclic compound represented by Formula 1, which is explained in the specification.
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公开(公告)号：US20240138263A1
公开(公告)日：2024-04-25
申请号：US18469108
申请日：2023-09-18
Applicant: Samsung Display Co., LTD.
Inventor： Makoto YAMAMOTO , Keigo HOSHI , Yuji SUZAKI , Hirokazu KUWABARA , Nobutaka AKASHI , Ryuhei FURUE , Toshiyuki MATSUURA , Yoshiro SUGITA , Yuma AOKI , Yuuki MIYAZAKI
CPC classification number: H10K85/658 , C09K11/06 , H10K85/631 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K2101/20
Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.
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公开(公告)号：US20230219981A1
公开(公告)日：2023-07-13
申请号：US18074777
申请日：2022-12-05
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Ryuhei FURUE , Yuma AOKI , Yuuki MIYAZAKI
CPC classification number: C07F5/027 , H01L51/008 , H01L51/0072 , H01L51/0054 , H01L51/0073 , H01L51/0061 , H01L51/5012 , C07B2200/05
Abstract: Embodiments provide a polycyclic compound and a light emitting element that includes the 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 polycyclic compound, which is represented by Formula 1. Formula 1 is defined in the specification. The light emitting element exhibits a long service life.
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公开(公告)号：US20230057142A1
公开(公告)日：2023-02-23
申请号：US17675482
申请日：2022-02-18
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji SUZAKI , Hirokazu KUWABARA , Ryuhei FURUE , Tetuji HAYANO
Abstract: A light emitting device of an embodiment 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. The emission layer may include a polycyclic compound of an embodiment represented by Formula 1. The light emitting device including the polycyclic compound of an embodiment may show improved efficiency and device life.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20220223790A1
公开(公告)日：2022-07-14
申请号：US17459393
申请日：2021-08-27
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji SUZAKI , Hirokazu KUWABARA , Keigo HOSHI , Ryuhei FURUE , Tetsuji HAYANO , Yuuki MIYAZAKI
Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a polycyclic compound represented by Formula 1, and thus the organic electroluminescence device exhibits high luminous efficiency.
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27.发明申请公开(公告)号：US20220209117A1
公开(公告)日：2022-06-30
申请号：US17450684
申请日：2021-10-12
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Hirokazu KUWABARA , Makoto YAMAMOTO , Yuji SUZAKI , Yuuki MIYAZAKI
Abstract: An organic electroluminescence device of one or more embodiments includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer and a second electrode disposed on the electron transport region, wherein the first electrode and the second electrode each independently includes at least one selected among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/Al, Mo, Ti, In, Sn, Zn, compounds thereof, mixtures thereof, and oxides thereof, and the emission layer includes a polycyclic compound represented by Formula 1, thereby showing long life and high efficiency:
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28.发明申请公开(公告)号：US20210210695A1
公开(公告)日：2021-07-08
申请号：US17074454
申请日：2020-10-19
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Hirokazu KUWABARA , Nobutaka AKASHI
IPC: H01L51/00 , C07D487/14 , C09K11/06
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of functional layers disposed between the first electrode and the second electrode, wherein at least one functional layer of the plurality of functional layers includes a polycyclic compound represented by Formula 1, thereby showing excellent light emitting efficiency in a short wavelength region:
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29.发明申请公开(公告)号：US20210175431A1
公开(公告)日：2021-06-10
申请号：US16998943
申请日：2020-08-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Ryuhei FURUE
IPC: H01L51/00
Abstract: An organic electroluminescence device (OLED) of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode The emission layer may include a condensed polycyclic compound represented by Formula 1, which is connected to two or three substituents represented by Formula 2, and the OLED may exhibit excellent luminous efficiency:
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30.发明申请公开(公告)号：US20210175423A1
公开(公告)日：2021-06-10
申请号：US16998920
申请日：2020-08-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Yoshiro SUGITA , Ryuhei FURUE
Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer may include a polycyclic compound represented by Formula 1 to thereby exhibit high luminous efficiency:
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