公开(公告)号：US20210135124A1

公开(公告)日：2021-05-06

申请号：US16945444

申请日：2020-07-31

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  H01L51/50

Abstract: 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：US20250072204A1

公开(公告)日：2025-02-27

申请号：US18736316

申请日：2024-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jinwoong Kim ,  Jungmin Moon ,  Youngtak Lee ,  Hyowon Choi

IPC: H10K50/16 ,  H10K71/13 ,  H10K101/40 ,  H10K102/00

Abstract: A light-emitting diode includes a pixel electrode, a first functional layer on the pixel electrode, an emission layer on the first functional layer, a second functional layer on the emission layer, and an opposite electrode on the second functional layer, wherein the second functional layer includes an auxiliary electron transport layer on the emission layer and including a first deposition material, a mixed layer on the auxiliary electron transport layer and including the first deposition material, a second deposition material, and a third deposition material, and an electron transport layer on the mixed layer and including the second deposition material and the third deposition material.

公开(公告)号：US20220359830A1

公开(公告)日：2022-11-10

申请号：US17715248

申请日：2022-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Samil Kho ,  Hyoungkun Kim ,  Jinwoong Kim ,  Hyein Jeong

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

Abstract: 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：US11903310B2

公开(公告)日：2024-02-13

申请号：US16945444

申请日：2020-07-31

Applicant: Samsung Display Co., Ltd.

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

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

CPC classification number: H10K85/6572 ,  H10K85/615 ,  H10K85/633 ,  H10K85/636 ,  H10K50/15 ,  H10K50/156 ,  H10K50/81 ,  H10K2101/30

Abstract: 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.