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公开(公告)号：US11839150B2
公开(公告)日：2023-12-05
申请号：US17029987
申请日：2020-09-23
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji Suzaki
CPC classification number: H10K85/631 , C07F5/027 , C09K11/06 , H10K85/636 , C09K2211/1007 , C09K2211/1018 , H10K50/11 , H10K85/657 , H10K85/6572 , H10K85/6574 , H10K2101/10
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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Patent Agency Ranking
公开(公告)号：US12178123B2
公开(公告)日：2024-12-24
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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3.发明授权公开(公告)号：US11502259B2
公开(公告)日：2022-11-15
申请号：US16739698
申请日：2020-01-10
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji Suzaki , Akinori Yamatani , Nobutaka Akashi
Abstract: An organic electroluminescence device having high luminous efficiency includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1.
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4.发明授权公开(公告)号：US12207549B2
公开(公告)日：2025-01-21
申请号：US17328549
申请日：2021-05-24
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji Suzaki
IPC: H10K85/60 , H10K50/11 , H10K85/40 , H10K101/10
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 polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.
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5.发明授权公开(公告)号：US11950492B2
公开(公告)日：2024-04-02
申请号：US16738456
申请日：2020-01-09
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji Suzaki , Akinori Yamatani
CPC classification number: H10K85/322 , H10K50/12 , H10K50/15 , H10K50/16
Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound containing one electron donor and one electron acceptor, and the electron donor includes an azaborine group and the electron acceptor includes any one of a cyano group, a carbonyl group, a boron group, a sulfonyl group, a sulfinyl group, a phosphine oxide group, a nitrogen-containing five-membered ring, or a nitrogen-containing six-membered monocyclic ring.
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6.发明授权公开(公告)号：US11856848B2
公开(公告)日：2023-12-26
申请号：US17186737
申请日：2021-02-26
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji Suzaki
IPC: H10K85/60 , H10K50/12 , H10K50/15 , H10K50/16 , H10K50/805
CPC classification number: H10K85/656 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K50/12 , H10K50/15 , H10K50/16 , H10K50/805
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 emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency:
wherein at least one of n1 to n6 is 1.
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