公开(公告)号：US12289991B2

公开(公告)日：2025-04-29

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: H10K85/60 ,  C07D401/10 ,  C07D401/14 ,  C07D413/14 ,  C07D417/14 ,  H10K50/11 ,  H10K50/18 ,  H10K85/40

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：US09660202B2

公开(公告)日：2017-05-23

申请号：US14583011

申请日：2014-12-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hiroaki Itoi ,  Ikuo Sasaki ,  Shuri Sato

IPC: H01L51/50 ,  H01L51/00

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).

公开(公告)号：US20160099427A1

公开(公告)日：2016-04-07

申请号：US14836866

申请日：2015-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hiromi Nakano ,  Ikuo Sasaki

IPC: H01L51/00 ,  C09K11/02

CPC classification number: H01L51/0094 ,  C09K11/025 ,  H01L51/0051 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5064

Abstract: An organic electroluminescent device includes an anode, an emission layer, a first hole transport layer between the anode and the emission layer, the first hole transport layer including an electron accepting material, and a second hole transport layer between the anode and the emission layer, the second hole transport layer including a first hole transport material represented by the following Formula 1:

Abstract translation: 有机电致发光器件包括阳极，发射层，阳极和发射层之间的第一空穴传输层，第一空穴传输层包括电子接受材料，以及在阳极和发射层之间的第二空穴传输层， 所述第二空穴传输层包括由下式1表示的第一空穴传输材料：

公开(公告)号：US12052915B2

公开(公告)日：2024-07-30

申请号：US16931273

申请日：2020-07-16

Applicant: Samsung Display Co., Ltd.

Inventor： Akinori Yamatani ,  Ikuo Sasaki ,  Makoto Yamamoto

IPC: H10K85/60 ,  C07D235/06 ,  C07D235/18 ,  C07D235/20 ,  C07D235/24 ,  C07D235/30 ,  H10K50/11 ,  H10K50/14 ,  H10K85/40

CPC classification number: H10K85/654 ,  C07D235/06 ,  C07D235/18 ,  C07D235/20 ,  C07D235/24 ,  C07D235/30 ,  H10K50/11 ,  H10K50/14 ,  H10K85/6572 ,  H10K85/40

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：US09893293B2

公开(公告)日：2018-02-13

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: C09K11/00 ,  H01L51/00 ,  C09K11/02 ,  C07D403/10 ,  C07D401/14 ,  C07C211/44 ,  C07C211/61 ,  C07C211/43 ,  C07C211/49 ,  C09K11/06 ,  H01L51/50

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:

公开(公告)号：US20160043317A1

公开(公告)日：2016-02-11

申请号：US14818232

申请日：2015-08-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ichinori Takada ,  Yasuo Miyata ,  Hiroaki Itoi ,  Shuri Sato ,  Ikuo Sasaki

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/006 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/506 ,  H01L51/5064 ,  H01L2251/552

Abstract: An organic electroluminescent device may include an anode, a cathode, an emission layer between the anode and the cathode, and a laminate structure between the anode and the emission layer, the laminate structure including at least three layers. The at least three layers may include a first layer including a hole transport compound doped with an electron accepting compound having a lowest unoccupied molecular orbital (LUMO) level from about −9.0 eV to about −4.0 eV and a second layer between the first layer and the emission layer. The second layer may be adjacent to the emission layer and may include a compound represented by Formula (1). Formula (1)

Abstract translation: 有机电致发光器件可以包括阳极，阴极，阳极和阴极之间的发射层，以及在阳极和发射层之间的层压结构，层压结构包括至少三层。 所述至少三个层可以包括第一层，其包括掺杂有电子接受化合物的空穴传输化合物，所述电子接受化合物具有约-9.0eV至约-4.0eV的最低未占分子轨道（LUMO）水平，以及在第一层和 发射层。 第二层可以与发射层相邻，并且可以包括由式（1）表示的化合物。 公式1）

公开(公告)号：US20160141510A1

公开(公告)日：2016-05-19

申请号：US14938762

申请日：2015-11-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ikuo Sasaki ,  Junta Fuchiwaki ,  Shuri Sato

IPC: H01L51/00 ,  C09K11/02

CPC classification number: H01L51/0061 ,  C09K11/025 ,  C09K11/06 ,  H01L51/0058 ,  H01L51/0073 ,  H01L51/5012 ,  H01L51/506 ,  H01L51/5064 ,  H01L2251/308 ,  H01L2251/552

Abstract: An organic electroluminescent device includes an anode, an emission layer, a first hole transport layer positioned between the anode and the emission layer, and a second hole transport layer positioned between the first hole transport layer and the emission layer, wherein the first hole transport layer includes an electron accepting material, and the second hole transport layer includes a hole transport material represented by the following Formula 1:

Abstract translation: 有机电致发光器件包括阳极，发射层，位于阳极和发射层之间的第一空穴传输层和位于第一空穴传输层和发射层之间的第二空穴传输层，其中第一空穴传输层 包括电子接受材料，第二空穴传输层包括由下式1表示的空穴传输材料：