公开(公告)号：US11968890B2

公开(公告)日：2024-04-23

申请号：US18185005

申请日：2023-03-16

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 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/80 ,  H10K50/856 ,  H10K85/30 ,  H10K50/11 ,  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：US11937500B2

公开(公告)日：2024-03-19

申请号：US15197621

申请日：2016-06-29

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/13 ,  H10K50/155 ,  H10K50/16 ,  H10K50/17 ,  H10K50/852 ,  H10K85/30 ,  H10K50/15 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K85/654 ,  H10K50/11 ,  H10K50/13 ,  H10K50/155 ,  H10K50/16 ,  H10K50/171 ,  H10K50/852 ,  H10K85/30 ,  H10K85/615 ,  H10K85/626 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/15 ,  H10K2101/30 ,  H10K2101/40

Abstract: An organic light emitting device including 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 electron transport region may include a first compound represented by one selected from Formulae 1A to 1E, and at least one selected from the hole transport region and the electron transport region may include a second compound represented by Formula 2A or 2B:

公开(公告)号：US11856842B2

公开(公告)日：2023-12-26

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 ,  H10K85/60 ,  H10K85/40 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K101/10 ,  H10K101/00

CPC classification number: H10K85/633 ,  H10K85/40 ,  H10K85/615 ,  H10K85/622 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/11 ,  H10K50/15 ,  H10K50/156 ,  H10K50/16 ,  H10K50/166 ,  H10K85/324 ,  H10K85/623 ,  H10K85/624 ,  H10K2101/10 ,  H10K2101/90

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：US11696496B2

公开(公告)日：2023-07-04

申请号：US15177360

申请日：2016-06-09

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L51/00 ,  H10K85/60 ,  C09K11/06 ,  C09K11/02 ,  H10K50/11 ,  H10K85/30 ,  H01G9/20 ,  H10K50/13 ,  H10K50/15 ,  H10K50/16 ,  H10K50/155 ,  H10K101/10 ,  H10K101/30 ,  H10K101/00

CPC classification number: H10K85/626 ,  C09K11/025 ,  C09K11/06 ,  H10K50/11 ,  H10K85/342 ,  H10K85/624 ,  H10K85/654 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01G9/2013 ,  H10K50/13 ,  H10K50/15 ,  H10K50/155 ,  H10K50/16 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/90

Abstract: An organic light-emitting device including 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 emission layer includes a first compound, at least one of the hole transport region and the electron transport region includes a second compound, the first compound is represented by Formula 1A or 1B, and the second compound is represented by Formula 2A or 2B:

公开(公告)号：US11617290B2

公开(公告)日：2023-03-28

申请号：US15220636

申请日：2016-07-27

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L51/00 ,  H01L51/50 ,  H10K85/60 ,  H10K50/11 ,  H10K50/13 ,  H10K101/40 ,  H10K50/16 ,  H10K50/155 ,  H10K50/17 ,  H10K101/30 ,  H10K102/00

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 electron transport region includes a first compound, at least one selected from the hole transport region and the electron transport region includes a second compound, the first compound is represented by one selected from Formulae 1A to 1D, and the second compound is represented by Formula 2A or Formula 2B:

公开(公告)号：US20220293864A1

公开(公告)日：2022-09-15

申请号：US17513323

申请日：2021-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojeong Kim ,  Jungsub Lee

IPC: H01L51/00

Abstract: A light-emitting device may have excellent or suitable efficiency and/or lifespan. The light-emitting device includes a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes: a compound represented by Formula 1; and a compound represented by Formula 2:

公开(公告)号：US11417852B2

公开(公告)日：2022-08-16

申请号：US15986631

申请日：2018-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Miehwa Park ,  Taekyung Kim ,  Jungsub Lee

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

Abstract: An organic light-emitting device is provided, including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, wherein the emission layer includes a host and a dopant, wherein the host includes at least one selected from a phosphine oxide-based compound, a pyrimidine-containing compound, a triazine-containing compound, and a cyano group-containing compound, and the dopant satisfies Equation 1, wherein, in Equation 1, ED, S1 refers to a singlet state energy level (eV) of the dopant; and ED, T1 refers to a triplet state energy level (eV) of the dopant: |ED,S1−ED,T1|≤0.2 eV.  Equation 1

公开(公告)号：US20220209156A1

公开(公告)日：2022-06-30

申请号：US17553799

申请日：2021-12-17

Applicant: Samsung Display Co., Ltd.

Inventor： Eungdo Kim ,  Jungsub Lee

IPC: H01L51/50 ,  H01L27/32

Abstract: A light-emitting device includes: a first electrode; a second electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first host and a first dopant, the second emission layer includes a second host and a second dopant, the first host and the second host each satisfy Condition 1 as defined herein, Compound A, as defined herein, is excluded from the first host, and Compound B, as defined herein, is excluded from the second host:

公开(公告)号：US11335862B2

公开(公告)日：2022-05-17

申请号：US16575109

申请日：2019-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsub Lee ,  Hyein Jeong ,  Hye Jeong Park

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  C07D495/06 ,  H01L51/50

Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a hole transport region, an emission layer, an electron transport region, and a second electrode, in which the emission layer includes a polycyclic compound represented by Formula 1, thereby achieving improved emission efficiency:

公开(公告)号：US11289660B2

公开(公告)日：2022-03-29

申请号：US16263103

申请日：2019-01-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsub Lee ,  Taekyung Kim ,  Daeyup Shin

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D403/10 ,  H01L51/52 ,  H01L51/56

Abstract: Provided are a heterocyclic compound and an organic light-emitting device including the same.