公开(公告)号：US20180205019A1

公开(公告)日：2018-07-19

申请号：US15860857

申请日：2018-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junta FUCHIWAKI ,  Ikuo SASAKI ,  Shuri SATO ,  Nobutaka AKASHI

IPC: H01L51/00 ,  C07D401/10 ,  C07D401/14 ,  C07D413/14 ,  C07D417/14 ,  H01L51/50

CPC classification number: H01L51/0067 ,  C07D401/10 ,  C07D401/14 ,  C07D413/14 ,  C07D417/14 ,  H01L51/0059 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5096

Abstract: An organic electroluminescence device including 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 hole transport region includes a first heterocyclic compound including 1 to 3 structures derived from a compound represented by Formula 1 below, and the emission layer includes a second heterocyclic compound including 1 or 2 structures derived from a compound represented by Formula 1.

公开(公告)号：US20210119138A1

公开(公告)日：2021-04-22

申请号：US16931273

申请日：2020-07-16

Applicant: Samsung Display Co., Ltd.

Inventor： Akinori YAMATANI ,  Ikuo SASAKI ,  Makoto YAMAMOTO

IPC: H01L51/00

Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes a polycyclic compound containing two aromatic 6-membered rings which are linked by a single bond, and a plurality of benzimidazole groups which are substituted at the two aromatic 6-membered rings, wherein each of the two aromatic 6-membered rings includes a carbon atom or a nitrogen atom as an atom for forming a ring.

公开(公告)号：US20160155943A1

公开(公告)日：2016-06-02

申请号：US14937314

申请日：2015-11-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ikuo SASAKI ,  Xiulan JIN ,  Masatsugu UENO ,  Koushin MATSUOKA

IPC: H01L51/00 ,  C09K11/02

CPC classification number: H01L51/006 ,  C07C211/43 ,  C07C211/44 ,  C07C211/49 ,  C07C211/61 ,  C07D401/14 ,  C07D403/10 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1014 ,  C09K2211/1088 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/506 ,  H01L51/5064 ,  H01L2251/308 ,  H01L2251/552

Abstract: An organic EL device including an anode; an emission layer; an anode-side hole transport layer between the anode and the emission layer, the anode-side hole transport layer including an anode-side hole transport material and being doped with an electron accepting material; an intermediate hole transport layer between the anode-side hole transport layer and the emission layer, the intermediate hole transport layer including an intermediate hole transport material; and an emission layer-side hole transport layer between the intermediate hole transport layer and the emission layer, the emission layer-side hole transport layer being adjacent to the emission layer, wherein the emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1:

Abstract translation: 一种包括阳极的有机EL器件; 发射层; 在阳极和发射层之间的阳极侧空穴传输层，阳极侧空穴传输层包括阳极侧空穴传输材料并掺杂有电子接受材料; 阳极侧空穴传输层和发光层之间的中间空穴传输层，中间空穴传输层包括中间空穴传输材料; 以及在中间空穴传输层和发光层之间的发光层侧空穴传输层，发光层侧空穴传输层与发光层相邻，发光层侧空穴传输层包含发光层侧空穴传输层 由下式1表示的空穴输送材料：

公开(公告)号：US20150188057A1

公开(公告)日：2015-07-02

申请号：US14583011

申请日：2014-12-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hiroaki ITOI ,  Ikuo SASAKI ,  Shuri SATO

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0072 ,  H01L51/0054 ,  H01L51/006 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5064

Abstract: An organic electroluminescence (EL) device, including an anode; a cathode; and an emission layer between the anode and the cathode, the emission layer emitting a light via a singlet excited state, a stacking structure of at least three layers having different components being provided between the anode and the emission layer, wherein the stacking structure includes: a first layer including an electron accepting compound having a lowest unoccupied molecular orbital (LUMO) level of about −9.0 eV to about −4.0 eV; a second layer including a compound represented by the following Formula (1), the second layer being closer to the emission layer than the first layer; and a third layer including a compound represented by the following Formula (2), the third layer being closer to the emission layer than the second layer, wherein the emission layer includes a compound represented by the following Formula (3).

Abstract translation: 一种有机电致发光（EL）器件，包括阳极; 阴极 以及在所述阳极和所述阴极之间的发光层，所述发光层经由单重激发态发光，在所述阳极和所述发光层之间设置具有不同成分的至少三层的堆叠结构，其中所述堆叠结构包括： 包括具有约-9.0eV至约-4.0eV的最低未占分子轨道（LUMO）水平的电子接受化合物的第一层; 第二层，其包含由下式（1）表示的化合物，所述第二层比所述第一层更靠近所述发光层; 和包含由下式（2）表示的化合物的第三层，第三层比第二层更靠近发光层，其中发光层包括由下式（3）表示的化合物。