公开(公告)号：US20220149288A1

公开(公告)日：2022-05-12

申请号：US17517523

申请日：2021-11-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Namsu Kang ,  Minho Park ,  Heungsu Park ,  Minkyung Kim ,  Hyunshik Lee

IPC: H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; m light-emitting units stacked between the first electrode and the second electrode and including an emission layer; and m−1 charge generation layers respectively between two neighboring light-emitting units among the m light-emitting units, wherein m is an integer of 2 or more, at least one of the m light-emitting units includes an n-doped electron transport layer between the emission layer and the second electrode, a charge generation layer on the n-doped electron transport layer includes a p-type charge generation layer in direct contact with the n-doped electron transport layer, the n-doped electron transport layer includes a first electron transport material, a second electron transport material, and a metal, the first electron transport material and the second electron transport material are different from each other.

公开(公告)号：US10580994B2

公开(公告)日：2020-03-03

申请号：US15061693

申请日：2016-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jongwoo Kim ,  Kwanghyun Kim ,  Mina Kim ,  Youngkook Kim ,  Hyejin Jung ,  Seokhwan Hwang ,  Minkyung Kim

IPC: H01L51/00 ,  C07D403/10 ,  C07D401/14 ,  C09K11/06 ,  H01L51/50

Abstract: A compound represented by Formula 1, and an organic light-emitting device including the compound represented by Formula 1: When the compound represented by Formula 1 is included in the electron transport layer of an organic light-emitting device, the device may have high efficiency, a lower driving voltage, high luminance, excellent I-V-L characteristics, and/or a long lifespan.

公开(公告)号：US20170117483A1

公开(公告)日：2017-04-27

申请号：US15245148

申请日：2016-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Minkyung Kim ,  Taekyung Kim ,  Miehwa Park ,  Jaeyong Lee

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06

CPC classification number: H01L51/0071 ,  C09K11/025 ,  C09K11/06 ,  H01L51/0067 ,  H01L51/007 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5203 ,  H01L2051/0063 ,  H01L2251/5384

Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a first compound and a second compound; the first compound is represented by one selected from Formulae 1-1 to 1-4, and does not include a nitrogen-containing heterocyclic group that includes *═N—*′ as a ring-forming moiety, and the second compound is represented by Formula 2:

公开(公告)号：US20170077414A1

公开(公告)日：2017-03-16

申请号：US15061693

申请日：2016-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jongwoo Kim ,  Kwanghyun Kim ,  Mina Kim ,  Youngkook Kim ,  Hyejin Jung ,  Seokhwan Hwang ,  Minkyung Kim

IPC: H01L51/00 ,  C07D403/10 ,  C07D401/14 ,  H01L27/32

CPC classification number: H01L51/0067 ,  C07D401/14 ,  C07D403/10 ,  C09K11/06 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/5072

Abstract: A compound represented by Formula 1, and an organic light-emitting device including the compound represented by Formula 1: When the compound represented by Formula 1 is included in the electron transport layer of an organic light-emitting device, the device may have high efficiency, a lower driving voltage, high luminance, excellent I-V-L characteristics, and/or a long lifespan.

Abstract translation: 当由式1表示的化合物包含在有机发光器件的电子传输层中时，该器件可以具有高效率，较低的驱动电压，高亮度，优异的I-V-L特性和/或长寿命。