公开(公告)号：US20160351818A1

公开(公告)日：2016-12-01

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

CPC classification number: H01L51/0052 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/504 ,  H01L51/506 ,  H01L51/5072 ,  H01L51/5092 ,  H01L2251/301 ,  H01L2251/552

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:

公开(公告)号：US20160351816A1

公开(公告)日：2016-12-01

申请号：US15154622

申请日：2016-05-13

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

CPC classification number: H01L51/0052 ,  C09K11/02 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  C09K2211/1029 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0058 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/504 ,  H01L51/506 ,  H01L51/5072 ,  H01L51/5092 ,  H01L2251/301 ,  H01L2251/552

Abstract: An organic light-emitting device including a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode and including an emission layer; wherein the organic layer includes a host first compound represented by Formula 1 and a fluorescent dopant second compound represented by Formula 2: When the compound represented by Formula 1 includes a condensed cyclic substituent and the compound represented by Formula 2 includes a condensed cyclic core, the organic light-emitting device may have improved thermal stability, a lower driving voltage, and higher efficiency.

Abstract translation: 当由式1表示的化合物包括稠合的环状取代基并且由式2表示的化合物包括缩合的环状核时，有机发光器件可以具有改善的热稳定性，较低的驱动电压和更高的效率。

公开(公告)号：US20160133844A1

公开(公告)日：2016-05-12

申请号：US14698786

申请日：2015-04-28

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

CPC classification number: H01L51/0054 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  H01L51/0056 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L2251/5384

Abstract: An organic light-emitting device including 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 includes a first material represented by Formula 1 and a second material represented by Formula 2: The resulting organic light-emitting device may have high efficiency and a long lifespan.

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，并且包括发射层。 有机层包括由式1表示的第一材料和由式2表示的第二材料。所得到的有机发光装置可以具有高效率和长的寿命。

公开(公告)号：US20250160199A1

公开(公告)日：2025-05-15

申请号：US19026041

申请日：2025-01-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeweon Hur ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Seungjin Chu ,  Hyein Jeong

IPC: H10K85/60 ,  C07D209/88 ,  C07F7/08 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K85/40 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light-emitting device in which a hole transport region includes a first hole transport stack, a second hole transport stack between the first hole transport stack and an emission layer, and an electron blocking layer between the second hole transport stack and the emission layer, wherein a HOMO energy level of the hole transport region satisfies a certain equations. The organic light-emitting devices according to embodiments of the present disclosure may have high efficiency and a long lifespan.

公开(公告)号：US12127477B2

公开(公告)日：2024-10-22

申请号：US17329903

申请日：2021-05-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Song ,  Seulong Kim ,  Pilgu Kang ,  Eungyoung Park ,  Hajin Song ,  Hyekyun Lee ,  Soonchul Chang ,  Dongseob Jeong ,  Yangjin Cho ,  Jina Hur

IPC: H01L51/00 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10

CPC classification number: H10K85/654 ,  H10K85/342 ,  H10K85/346 ,  H10K85/40 ,  H10K85/622 ,  H10K85/623 ,  H10K85/624 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18 ,  H10K2101/10

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission region between the first electrode and the second electrode and including a first emission layer and a second emission layer; and a hole blocking layer between the first emission layer and the first electrode, or between the second emission layer and the second electrode, wherein the second emission layer may be between the first emission layer and the hole blocking layer, the first emission layer may include a first host and a first light-emitting material, the second emission layer may include a second host and a second light-emitting material, and the first light-emitting material and the second light-emitting material may respectively be included in the first emission layer and the second emission layer at an identical ratio.

公开(公告)号：US20240224797A1

公开(公告)日：2024-07-04

申请号：US18610113

申请日：2024-03-19

Applicant: Samsung Display Co., LTD.

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

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/80 ,  H10K50/856 ,  H10K85/30 ,  H10K101/10 ,  H10K102/00

CPC classification number: H10K85/636 ,  C09K11/025 ,  C09K11/06 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/80 ,  H10K50/856 ,  H10K85/342 ,  H10K85/631 ,  H10K85/633 ,  H10K85/654 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  C09K2211/185 ,  H10K50/11 ,  H10K85/615 ,  H10K85/622 ,  H10K85/626 ,  H10K2101/10 ,  H10K2102/301

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：US11925045B2

公开(公告)日：2024-03-05

申请号：US16881591

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Taekyung Kim ,  Pilgu Kang ,  Jiyoung Kwon ,  Eungyoung Park ,  Jiyoung Song ,  Soon-Chul Chang ,  Dongseob Jeong

IPC: H10K50/13 ,  H10K50/18 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/805 ,  H10K59/32

CPC classification number: H10K50/13 ,  H10K50/156 ,  H10K50/157 ,  H10K50/166 ,  H10K50/171 ,  H10K50/18 ,  H10K50/805 ,  H10K59/32

Abstract: A light emitting device includes a first electrode, a first stack on the first electrode, a first charge generation layer on the first stack, a second stack on the first charge generation layer, and a second electrode on the second stack. The first stack includes a first light emitting layer and a plurality of first organic layers, and the second stack includes a second light emitting layer and a plurality of second organic layers. Among the plurality of first organic layers and the plurality of second organic layers, at least one of organic layers adjacent to the first light emitting layer and the second light emitting layer includes a light emitting material.

公开(公告)号：US20240023367A1

公开(公告)日：2024-01-18

申请号：US18357463

申请日：2023-07-24

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H10K50/852 ,  H10K59/12

CPC classification number: H10K50/852 ,  H10K59/12 ,  H10K2102/351

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US11812659B2

公开(公告)日：2023-11-07

申请号：US17028922

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd. ,  Lapto Co., Ltd.

Inventor： Seulong Kim ,  Eu-gene Oh ,  Munsoo Kim ,  JuWan Maeng ,  Kap-jong Han ,  Jaeweon Hur ,  Hyewon Choi ,  Kyungsik Kim ,  Sung-Soo Bae

IPC: H10K85/60 ,  H10K85/30 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/165 ,  H10K101/10 ,  H10K102/00

CPC classification number: H10K85/6572 ,  C09K11/06 ,  H10K85/324 ,  H10K85/636 ,  H10K85/654 ,  H10K85/656 ,  C09K2211/1044 ,  H10K50/11 ,  H10K50/157 ,  H10K50/165 ,  H10K2101/10 ,  H10K2102/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.

公开(公告)号：US20230225144A1

公开(公告)日：2023-07-13

申请号：US18179306

申请日：2023-03-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungjin Chu ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Tsuyoshi NAIJO ,  Yunjee Park ,  Sungsoo Bae ,  Dongchan Lee ,  Hyewon Choi ,  Jaeweon Hur

IPC: H01L51/00

CPC classification number: H10K50/12 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/324 ,  H10K85/615 ,  H10K50/16 ,  H10K50/15

Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3:


T1(D)≥T1(Mix)+0.3 eV  Equation 1



T1(H)≥T1(Mix)+0.3 eV  Equation 2



T1(Mix)