公开(公告)号：US11882714B2

公开(公告)日：2024-01-23

申请号：US17691090

申请日：2022-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Naoyuki Ito ,  Seul-Ong Kim ,  Youn-Sun Kim ,  Dong-Woo Shin ,  Jung-Sub Lee

IPC: H01L51/54 ,  H10K50/18 ,  H10K50/165 ,  H10K50/16 ,  H10K50/11 ,  H10K50/15 ,  H10K85/30 ,  H10K85/60 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K50/18 ,  H10K50/165 ,  H10K50/166 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K85/324 ,  H10K85/342 ,  H10K85/622 ,  H10K85/626 ,  H10K85/631 ,  H10K85/633 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6576 ,  H10K2101/10 ,  H10K2101/30

Abstract: An organic light-emitting device and a flat panel display device, the organic-light emitting device including an anode; a cathode; and an organic layer therebetween including an emission layer, a hole transport region between the anode and the emission layer, the hole transport region including at least one of a hole injection layer, a hole transport layer, and an electron blocking layer, an electron transport region between the emission layer and the cathode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, and a buffer layer between the emission layer and the electron transport region, wherein the buffer layer includes a biscarbazole-based derivative and triphenylene-based derivative, and a triplet energy (ET1) of the biscarbazole-based derivative or the triphenylene-based derivative and a triplet energy (ET2) of a dopant of the emission layer satisfy the following relationship:






E

T
⁢
1


>

E

T
⁢
2



.

公开(公告)号：US20220209163A1

公开(公告)日：2022-06-30

申请号：US17691090

申请日：2022-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Naoyuki Ito ,  Seul-Ong Kim ,  Youn-Sun Kim ,  Dong-Woo Shin ,  Jung-Sub Lee

IPC: H01L51/50

Abstract: An organic light-emitting device and a flat panel display device, the organic-light emitting device including an anode; a cathode; and an organic layer therebetween including an emission layer, a hole transport region between the anode and the emission layer, the hole transport region including at least one of a hole injection layer, a hole transport layer, and an electron blocking layer, an electron transport region between the emission layer and the cathode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, and a buffer layer between the emission layer and the electron transport region, wherein the buffer layer includes a biscarbazole-based derivative and triphenylene-based derivative, and a triplet energy (ET1) of the biscarbazole-based derivative or the triphenylene-based derivative and a triplet energy (ET2) of a dopant of the emission layer satisfy the following relationship: E T ⁢ 1 > E T ⁢ 2 .

公开(公告)号：US20210143328A1

公开(公告)日：2021-05-13

申请号：US17155893

申请日：2021-01-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito ,  Jino Lim

IPC: H01L51/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a first compound, the emission layer includes a second compound and a third compound, and the electron transport region includes a fourth compound and a fifth compound. An organic light-emitting device according to the one or more embodiments may have high efficiency and long lifespan.

公开(公告)号：US10978643B2

公开(公告)日：2021-04-13

申请号：US14801804

申请日：2015-07-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jungsub Lee ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Naoyuki Ito

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

Abstract: An organic light-emitting device includes a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a hole auxiliary layer and the electron transport region includes an electron auxiliary layer. The organic light-emitting device may have high efficiency and long life span characteristics.

公开(公告)号：US20180248125A1

公开(公告)日：2018-08-30

申请号：US15965772

申请日：2018-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito ,  Jino Lim

IPC: H01L51/00 ,  H01L51/52 ,  C09K11/02 ,  H01L51/50 ,  C09K11/06

CPC classification number: H01L51/0061 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/52 ,  H01L51/5271

Abstract: An organic light-emitting device having low-driving voltage, improved efficiency, and long lifespan includes: a first electrode; a second electrode facing the first electrode; a first layer between the first electrode and the second electrode, the first layer including a first compound; a second layer between the first layer and the second electrode, the second layer including a second compound; and a third layer between the second layer and the second electrode, the third layer including a third compound; wherein the first compound does not include a nitrogen-containing heterocyclic group comprising *═N—*′ as a ring forming moiety, and wherein the first compound, the second compound, and the third compound each independently include at least one group selected from groups represented by Formulae A to C:

公开(公告)号：US09997711B2

公开(公告)日：2018-06-12

申请号：US15414726

申请日：2017-01-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Shin ,  Seulong Kim ,  Younsun Kim ,  Jungsub Lee ,  Naoyuki Ito ,  Jino Lim

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

CPC classification number: H01L51/0054 ,  C09K11/025 ,  C09K11/06 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5012 ,  H01L2251/5384

Abstract: An organic light-emitting device including a first compound represented by Formula 1 and a second compound represented by one of Formulae 2A to 2C.

公开(公告)号：US09905786B2

公开(公告)日：2018-02-27

申请号：US14857785

申请日：2015-09-17

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Younsun Kim ,  Yunho Lee ,  Jihyun Seo ,  Seulong Kim ,  Yeong-Eun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito ,  Changwoong Chu

IPC: H01L51/00 ,  C07F9/6568 ,  C09K11/02 ,  C07F9/28 ,  C07F9/64 ,  C09K11/06 ,  C07F9/6587 ,  H01L51/50

CPC classification number: H01L51/0091 ,  C07F9/6587 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/188 ,  H01L51/5016

Abstract: An organometallic complex represented by Formula 1-1 or Formula 1-2 is provided: wherein in Formulae 1-1 and 1-2, descriptions of R1 to R7, X1, X2, Y1 to Y4, rings A, B, C, and a to e are understood by referring to the description provided herein. An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer that is disposed between the first electrode and the second electrode and includes an emission layer, wherein the organic layer includes at least one organometallic complex represented by Formula 1-1 or Formula 1-2.

公开(公告)号：US09793496B2

公开(公告)日：2017-10-17

申请号：US14731011

申请日：2015-06-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Shin ,  Seulong Kim ,  Younsun Kim ,  Jungsub Lee ,  Naoyuki Ito

IPC: C07D223/14 ,  C07D401/04 ,  C07D403/04 ,  H01L51/00 ,  C09K11/06 ,  C07D401/02 ,  C09K11/02 ,  H05B33/14 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D223/14 ,  C07D401/02 ,  C07D403/04 ,  C09B1/00 ,  C09B57/00 ,  C09B57/008 ,  C09B57/10 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0085 ,  H01L51/5008 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096 ,  H05B33/14

Abstract: A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1: (A1)a1-(L1)b1-(A2)a2   wherein, in Formula 1, A1 is a group represented by Formula 2-1, below, a1 is 1, 2, or 3, and, when a1 is 2 or greater, two or more A1s are identical to or different from each other, A2 is a group represented by Formula 2-2, below, a2 is 1, 2, or 3, and, when a2 is 2 or greater, two or more A2s are identical to or different from each other,

公开(公告)号：US09793495B2

公开(公告)日：2017-10-17

申请号：US14634096

申请日：2015-02-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0072 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0074 ,  H01L51/0077 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/308

Abstract: An OLED device including a first electrode; a second electrode; and an organic layer, the organic layer including an emission layer, a hole transport region between the first electrode and the emission layer, the hole transport region including at least one of a hole transport layer, a hole injection layer, and a buffer layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the emission layer includes at least one host (H) and at least one phosphorescent dopant (D), an electron affinity (EA) and an ionization potential (IP) simultaneously satisfying the relationships represented by Equation (1) and Equation (2) below: EA(D)−EA(H)≧0.2 eV  (1) IP(H)−IP(D)≧0.2 eV  (2).

公开(公告)号：US09793487B2

公开(公告)日：2017-10-17

申请号：US15158479

申请日：2016-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seulong Kim ,  Naoyuki Ito ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee

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

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 organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: