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公开(公告)号：US20230016620A1
公开(公告)日：2023-01-19
申请号：US17843548
申请日：2022-06-17
Inventor： Yuuki MIYAZAKI , Yuji SUZAKI , In Seob PARK , Takuma YASUDA
IPC: H01L51/00
Abstract: A light emitting element includes a first electrode, a second electrode, and at least one functional layer which is disposed between the first electrode and the second electrode and includes a compound represented by Formula 1 below, thereby exhibiting high efficiency characteristics. The compound of Formula 1 may be included in the emission layer of the light emitting element as a dopant.
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公开(公告)号：US20210305512A1
公开(公告)日：2021-09-30
申请号：US17029987
申请日：2020-09-23
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji SUZAKI
Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a condensed cyclic compound represented by Formula 1, and the organic electroluminescence device exhibits high efficiency characteristics.
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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
Applicant: Samsung Display Co., Ltd.
Inventor： Keigo HOSHI , Hirokazu KUWABARA , Yuji SUZAKI
CPC classification number: H10K50/11 , C09K11/06 , H10K50/15 , H10K50/16 , C09K2211/1014
Abstract: 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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公开(公告)号：US20240268230A1
公开(公告)日：2024-08-08
申请号：US18496801
申请日：2023-10-27
Applicant: Samsung Display Co., Ltd.
Inventor： Yuma AOKI , Yuji SUZAKI , Tetsuji HAYANO
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , H10K50/11
Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode provided on the first electrode, and at least one functional layer provided between the first electrode and the second electrode, and including a fused polycyclic compound having at least one sterically bulky substituent.
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公开(公告)号：US20240215445A1
公开(公告)日：2024-06-27
申请号：US18451634
申请日：2023-08-17
Applicant: Samsung Display Co., Ltd.
Inventor： Yuuki MIYAZAKI , Hirokazu KUWABARA , Ryuhei FURUE , Yoshiro SUGITA , Yuji SUZAKI
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , C09K2211/1018 , H10K50/12
Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and a functional layer disposed between the first electrode and the second electrode, wherein the functional layer includes a first compound represented by Formula 1 below:
In Formula 1, the substituents are the same as defined in the Detailed Description.-
Patent Agency Ranking
公开(公告)号：US20210351361A1
公开(公告)日：2021-11-11
申请号：US17179837
申请日：2021-02-19
Inventor： Yuuki MIYAZAKI , Yuji SUZAKI , In Seob PARK , Takuma YASUDA , Jong Uk KIM , Hyukgi MIN
Abstract: An organic electroluminescence device exhibiting high light emission efficiency is provided, which 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 compound represented by Formula 1.
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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：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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9.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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10.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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