公开(公告)号：US20220359830A1

公开(公告)日：2022-11-10

申请号：US17715248

申请日：2022-04-07

申请人： Samsung Display Co., Ltd.

发明人： Seulong KIM ,  Samil Kho ,  Hyoungkun Kim ,  Jinwoong Kim ,  Hyein Jeong

IPC分类号： H01L51/00 ,  C07F9/53 ,  C09K11/06 ,  C07D251/24

摘要： The present application provides a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and an electron transport layer and an electron injection layer between the emission layer and the second electrode, wherein the electron transport layer includes a mixed layer including a first compound and a second compound, the first compound includes a C14-C60 carbocyclic group, and a triplet energy of the first compound is about 2.0 electron volts or lower, the second compound includes a π electron-depleted nitrogen-containing C1-C60 cyclic group, and a triplet energy of the second compound is about 2.5 electron volts or greater, and the electron injection layer includes a metal halide and a lanthanum-based metal.

公开(公告)号：US20210135124A1

公开(公告)日：2021-05-06

申请号：US16945444

申请日：2020-07-31

申请人： Samsung Display Co., Ltd.

发明人： Hyoungkun Kim ,  Samil Kho ,  Donghwan Kim ,  Jinwoong Kim ,  Seunggak Yang ,  Kwanhee Lee ,  Junyoung Lee

IPC分类号： H01L51/00 ,  H01L51/50

摘要： An organic light-emitting includes a first electrode having a work function greater than about 4.9 eV and less than about 5.2 eV, a second electrode facing the first electrode, an organic layer disposed between the first electrode and the second electrode and including an emission layer, a hole transport region disposed between the first electrode and the emission layer, wherein the hole transport region includes a first hole transport layer including a first hole-transporting material, and the first hole transport layer is substantially free of a p-dopant.

公开(公告)号：US11903310B2

公开(公告)日：2024-02-13

申请号：US16945444

申请日：2020-07-31

申请人： Samsung Display Co., Ltd.

发明人： Hyoungkun Kim ,  Samil Kho ,  Donghwan Kim ,  Jinwoong Kim ,  Seunggak Yang ,  Kwanhee Lee ,  Junyoung Lee

IPC分类号： H10K85/00 ,  H10K85/60 ,  H10K50/15 ,  H10K50/81 ,  H10K101/30

CPC分类号： H10K85/6572 ,  H10K85/615 ,  H10K85/633 ,  H10K85/636 ,  H10K50/15 ,  H10K50/156 ,  H10K50/81 ,  H10K2101/30

摘要： An organic light-emitting includes a first electrode having a work function greater than about 4.9 eV and less than about 5.2 eV, a second electrode facing the first electrode, an organic layer disposed between the first electrode and the second electrode and including an emission layer, a hole transport region disposed between the first electrode and the emission layer, wherein the hole transport region includes a first hole transport layer including a first hole-transporting material, and the first hole transport layer is substantially free of a p-dopant.