公开(公告)号：US11839150B2

公开(公告)日：2023-12-05

申请号：US17029987

申请日：2020-09-23

申请人： Samsung Display Co., Ltd.

发明人： Yuji Suzaki

IPC分类号： H01L51/00 ,  C09K11/06 ,  C07F5/02 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

CPC分类号： H10K85/631 ,  C07F5/027 ,  C09K11/06 ,  H10K85/636 ,  C09K2211/1007 ,  C09K2211/1018 ,  H10K50/11 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K2101/10

摘要： 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.

公开(公告)号：US11502259B2

公开(公告)日：2022-11-15

申请号：US16739698

申请日：2020-01-10

申请人： Samsung Display Co., Ltd.

发明人： Yuji Suzaki ,  Akinori Yamatani ,  Nobutaka Akashi

IPC分类号： H01L51/50 ,  H01L51/00 ,  C07F5/02 ,  C09K11/06

摘要： 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.

公开(公告)号：US11950492B2

公开(公告)日：2024-04-02

申请号：US16738456

申请日：2020-01-09

申请人： Samsung Display Co., Ltd.

发明人： Yuji Suzaki ,  Akinori Yamatani

IPC分类号： H01L51/00 ,  H10K85/30 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC分类号： H10K85/322 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16

摘要： 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.

公开(公告)号：US11856848B2

公开(公告)日：2023-12-26

申请号：US17186737

申请日：2021-02-26

申请人： Samsung Display Co., Ltd.

发明人： Yuji Suzaki

IPC分类号： H10K85/60 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/805

CPC分类号： H10K85/656 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/805

摘要： 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.