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公开(公告)号：US10090475B2
公开(公告)日：2018-10-02
申请号：US14837655
申请日：2015-08-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Shuri Sato , Xiulan Jin
Abstract: An organic electroluminescent 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 material layer between the anode-side hole transport layer and the emission layer, the intermediate hole transport material layer including an intermediate hole transport material; and an emission layer-side hole transport layer between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer, the emission layer-side hole transport layer including an emission layer-side hole transport material represented by the following General Formula (1):
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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
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：
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公开(公告)号：US11145819B2
公开(公告)日：2021-10-12
申请号：US16946396
申请日：2020-06-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yoshimasa Fujita , Shuri Sato , Hiroaki Itoi
IPC: H01L51/50 , H01L51/00 , C07F7/08 , C07C211/54 , C07C211/58 , C07D209/80 , C07D209/86 , C07D307/91 , C07D405/14
Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:
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公开(公告)号：US10777751B2
公开(公告)日：2020-09-15
申请号：US15242022
申请日：2016-08-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Shuri Sato , Shigeyuki Yagi
IPC: H01L51/00 , C07D307/91 , C07D209/86 , C07D333/76 , C09K11/02 , H01L51/50
Abstract: A truxene derivative having good layer forming properties during layer formation and an organic electroluminescent device including the same. The truxene derivative may be represented by Formula 1: A layer including the truxene derivative in the organic electroluminescent device may have a decreased number or concentration of convex-concavo () shapes, and performance limitations caused by non-uniformity in each layer of the organic electroluminescent device (for example, short circuiting or uneven light emission due to non-uniformity in an applied electric field) may be thereby prevented or reduced.
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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.
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Patent Agency Ranking
公开(公告)号：US10714693B2
公开(公告)日：2020-07-14
申请号：US15474030
申请日：2017-03-30
Inventor： Hiromi Nakano , Shuri Sato , Yoshimasa Fujita , Nobutaka Akashi , Takuma Yasuda , JiYoung Lee
IPC: H01L51/54 , C09K11/06 , H01L51/00 , C07D405/04 , C07D491/107 , H01L51/50
Abstract: A polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an example embodiment is represented by the following Formula 1. wherein in Formula 1, Cy1 is carbonyl-containing five- or six-membered and substituted or unsubstituted cyclic hydrocarbon or substituted or unsubstituted heterocycle, and R1 to R4 are each independently a hydrogen atom or a group represented by the following Formula 2 or 3.
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公开(公告)号：US10686139B2
公开(公告)日：2020-06-16
申请号：US15378084
申请日：2016-12-14
Inventor： Hiromi Nakano , Shuri Sato , Yoshimasa Fujita , Nobutaka Akashi , Takuma Yasuda , Inseob Park
IPC: C07D401/10 , H01L51/00 , C07D401/14 , C07D403/14 , C07D491/107 , C09K11/06 , H01L51/50
Abstract: A nitrogen-containing compound and an organic electroluminescence device including the same, the nitrogen-containing compound being represented by the following Formula 1:
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公开(公告)号：US11925111B2
公开(公告)日：2024-03-05
申请号：US17495551
申请日：2021-10-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yoshimasa Fujita , Shuri Sato , Hiroaki Itoi
IPC: H01L51/50 , C07C211/54 , C07C211/58 , C07D209/80 , C07D209/86 , C07D307/91 , C07D405/14 , C07F7/08 , H10K85/40 , H10K85/60 , H10K50/12 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18
CPC classification number: H10K85/636 , C07C211/54 , C07C211/58 , C07D209/80 , C07D209/86 , C07D307/91 , C07D405/14 , C07F7/081 , C07F7/0812 , C07F7/0816 , H10K85/40 , H10K85/622 , H10K85/631 , H10K85/633 , H10K85/657 , H10K85/6572 , H10K85/6574 , H10K50/12 , H10K50/15 , H10K50/156 , H10K50/16 , H10K50/17 , H10K50/171 , H10K50/18 , H10K85/615 , H10K85/626
Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:
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公开(公告)号：US10734586B2
公开(公告)日：2020-08-04
申请号：US15447704
申请日：2017-03-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yoshimasa Fujita , Shuri Sato , Hiroaki Itoi
IPC: H01L51/50 , H01L51/00 , C07F7/08 , C07C211/54 , C07C211/58 , C07D209/80 , C07D209/86 , C07D307/91 , C07D405/14
Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:
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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
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）
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