公开(公告)号：US20150236262A1

公开(公告)日：2015-08-20

申请号：US14447559

申请日：2014-07-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hwan-Hee Cho ,  Mi-Kyung Kim ,  Jae-Yong Lee ,  Dong-Hyun Kim ,  Se-Hun Kim ,  Chang-Woong Chu

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/0067 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/5016 ,  H01L2251/5384

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer including an emission layer between the first electrode and the second electrode. The emission layer includes at least one compound selected from carbazole-based compounds, and at least one compound selected from heterocyclic compounds as described in the detailed description.

Abstract translation: 一种有机发光装置，包括：第一电极; 面对所述第一电极的第二电极; 以及包括在第一电极和第二电极之间的发射层的有机层。 发光层包括至少一种选自咔唑类化合物的化合物和至少一种选自如详细描述中所述的杂环化合物的化合物。

公开(公告)号：US20150200373A1

公开(公告)日：2015-07-16

申请号：US14598181

申请日：2015-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hwan-Hee Cho ,  Mi-Kyung Kim ,  Jae-Yong Lee ,  Dong-Hyun Kim ,  Se-Hun Kim ,  Chang-Woong Chu

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  C09B57/00 ,  C09B57/008 ,  C09B57/10 ,  C09B69/008 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0084 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0088 ,  H01L51/5016 ,  H01L2251/308 ,  H01L2251/5384

Abstract: An organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, where the emission layer includes a first host represented by Formula 1 and a second host represented by Formula 2: The organic light-emitting device may have high efficiency and long lifespan.

Abstract translation: 有机发光装置包括第一电极; 第二电极; 以及在所述第一电极和所述第二电极之间的有机层，所述有机层包括发射层，其中所述发射层包括由式1表示的第一主体和由式2表示的第二主体：所述有机发光装置可具有 效率高，使用寿命长。

公开(公告)号：US09012903B2

公开(公告)日：2015-04-21

申请号：US14061667

申请日：2013-10-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hwan-Hee Cho ,  Mi-Kyung Kim ,  Se-Hun Kim ,  Dong-Hyun Kim ,  Chang-Woong Chu

IPC: H01L29/08 ,  H01L35/24 ,  H01L51/00

CPC classification number: H01L51/0071 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5016 ,  H01L51/5056

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, and the emission layer includes at least one light-emitting material represented by one of Formulas 1 and 2. The organic layer further includes at least one hole-transporting material represented by one of Formulas 2(1) and 2(2).

Abstract translation: 一种有机发光装置，包括：第一电极; 第二电极; 以及在第一电极和第二电极之间的有机层。 有机层包括发光层，发光层包括由式1和2之一表示的至少一种发光材料。有机层还包括由式2（1）中的一个表示的至少一种空穴传输材料， 和2（2）。

公开(公告)号：US20140117325A1

公开(公告)日：2014-05-01

申请号：US13928326

申请日：2013-06-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae-Hyun Kwak ,  Ji-Hyun Seo ,  Hwan-Hee Cho ,  Young-Ho Park ,  Moon-Jae Lee ,  Chang-Woong Chu ,  Kwan-Hee Lee

IPC: H01L51/50

CPC classification number: H01L51/5004 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/5016 ,  H01L51/5096 ,  H01L2251/552

Abstract: An organic light emitting device is described. The organic light emitting device includes: a substrate; a first electrode on the substrate; an emission layer on the first electrode; a second electrode on the emission layer; and an exciton blocking layer between the first electrode and the emission layer, in which a LUMO energy level of the exciton blocking layer is higher than a LUMO energy level of the emission layer.

Abstract translation: 描述有机发光器件。 有机发光器件包括：衬底; 基板上的第一电极; 第一电极上的发射层; 发射层上的第二电极; 以及在第一电极和发射层之间的激子阻挡层，其中激子阻挡层的LUMO能级高于发射层的LUMO能级。

公开(公告)号：US11937502B2

公开(公告)日：2024-03-19

申请号：US15098258

申请日：2016-04-13

Applicant: Samsung Display Co., Ltd. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： Sung-Wook Kim ,  Myeong-Suk Kim ,  Hwan-Hee Cho ,  Sam-Il Kho ,  Seung-Soo Yoon ,  Changwoong Chu

IPC: H01L51/54 ,  H10K85/60 ,  C09K11/06 ,  C09K11/02 ,  C07D495/10 ,  C07D491/107 ,  H10K50/11

CPC classification number: H10K85/657 ,  C07D491/107 ,  C07D495/10 ,  C09K11/025 ,  C09K11/06 ,  H10K85/626 ,  H10K85/6574 ,  H10K85/6576 ,  C09K2211/1007 ,  C09K2211/1014 ,  H10K50/11

Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided. The condensed cyclic compound is represented by Formula 1. The A3 ring of Formula 1 is a group represented by Formula 2A or a group represented by Formula 2B. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including at least one of the condensed cyclic compound represented by Formula 1.

公开(公告)号：US11910707B2

公开(公告)日：2024-02-20

申请号：US15390210

申请日：2016-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： Myeong-Suk Kim ,  Sung-Wook Kim ,  Hwan-Hee Cho ,  Jin-Soo Hwang ,  Chang-Woong Chu

IPC: H01L51/54 ,  H10K85/60 ,  C09K11/02 ,  H10K50/11 ,  H10K101/10 ,  H10K101/40

CPC classification number: H10K85/654 ,  C09K11/025 ,  H10K85/615 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K2101/10 ,  H10K2101/40

Abstract: According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by one selected from Formulae 2-1 to 2-3:

公开(公告)号：US11696499B2

公开(公告)日：2023-07-04

申请号：US16866460

申请日：2020-05-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwan-Hee Cho ,  Myeong-Suk Kim ,  Sung-Wook Kim ,  Se-Hun Kim ,  Jin-Soo Hwang

IPC: H01L51/54 ,  H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C09K11/025 ,  C09K11/06 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0085 ,  H01L51/5004 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/5056 ,  H01L2251/5384 ,  H01L2251/552

Abstract: An organic light emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound, a second compound, a third compound, and a fourth compound, and the first compound to the fourth compound satisfy Equations 1 to 8:

E1,LUMO≥E2,LUMO+0.15 electron volts (eV)  Equation 1

E1,HOMO≥E2,HOMO+0.15 eV  Equation 2

E1,T1≥E4,T1  Equation 3

E2,T1≥E4,T1  Equation 4

E3,T1≥E4,T1  Equation 5

E3,LUMO≥E2,LUMO+0.1 eV  Equation 6

−5.6 eV≥E3,HOMO  Equation 7

Egap1≥Egap3.  Equation 8

公开(公告)号：US20220393114A1

公开(公告)日：2022-12-08

申请号：US17811211

申请日：2022-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-Soo Bae ,  Seul-Ong Kim ,  Dong-Hyun Kim ,  Sung-Wook Kim ,  Tsuyoshi Naijo ,  Hye-In Jeong ,  Hwan-Hee Cho

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/06

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.

公开(公告)号：US11114625B2

公开(公告)日：2021-09-07

申请号：US14807778

申请日：2015-07-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwan-Hee Cho ,  Myeong-Suk Kim ,  Sung-Wook Kim

IPC: H01L51/54 ,  H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device includes a first electrode; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, and an electron transport region between the emission layer and the second electrode. The emission layer includes a first compound represented by Formula 1 and a second compound represented by any one of Formulae 2-1 to 2-5. The electron transport region includes a third compound represented by Formula 7. The organic light-emitting device may have low driving voltage, high efficiency, and a long lifespan.

公开(公告)号：US10826000B2

公开(公告)日：2020-11-03

申请号：US14885919

申请日：2015-10-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Naoyuki Ito ,  Myeong-Suk Kim ,  Youn-Sun Kim ,  Sung-Wook Kim ,  Hwan-Hee Cho ,  Chang-Woong Chu

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  C09K11/02 ,  H01L51/50

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the emission layer includes a first host and a dopant, the first host is represented by one selected from Formulae 1 and 2, and the dopant is represented by Formula 7: Ar11(L11)a11-(R11)b11]n11  Formula 1 Ar21(L21)a21-(R21)b21]n21  Formula 2 M(L1)n71(L2)n72.  Formula 7 The organic light-emitting device may have high efficiency and long lifespan and may show little change in the efficiency at an x-coordinate (CIEx) value of 0.21.