公开(公告)号：US20230225200A1

公开(公告)日：2023-07-13

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 ,  H10K50/12

CPC classification number: H10K85/636 ,  H10K50/12 ,  H10K85/6574 ,  H10K85/631 ,  H10K85/6572 ,  H10K85/633 ,  H10K85/622 ,  H10K85/654 ,  H10K85/657 ,  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：US11672173B2

公开(公告)日：2023-06-06

申请号：US17530403

申请日：2021-11-18

Applicant: Samsung Display Co., Ltd.

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

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

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

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：US11276827B2

公开(公告)日：2022-03-15

申请号：US15399414

申请日：2017-01-05

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L51/54 ,  H01L51/00 ,  C07D307/77 ,  C09K11/02 ,  C07D333/50 ,  C07D307/91 ,  C07D493/04 ,  C07D495/04 ,  C09K11/06 ,  C07D405/10 ,  H01L51/52 ,  H01L51/50

Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same.

公开(公告)号：US11258029B2

公开(公告)日：2022-02-22

申请号：US16887626

申请日：2020-05-29

Applicant: Samsung Display Co., Ltd.

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

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

Abstract: A light emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode; and m−1 charge generating layer(s) between the two adjacent emission units from among the m emission units, m−1 charge generating layer(s) including m−1 n-type charge generating layer(s) and m−1 p-type charge generating layer(s), wherein m is an integer of 2 or greater, a maximum emission wavelength of light emitted from at least one of the m emission units differs from that of light emitted from at least one of the other emission units, at least one of the m−1 n-type charge generating layer(s) includes a metal-containing material and an electron transporting metal-non-containing material.

公开(公告)号：US11211564B2

公开(公告)日：2021-12-28

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 ,  C09K11/06 ,  H01L51/50

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：US20210184119A1

公开(公告)日：2021-06-17

申请号：US17177049

申请日：2021-02-16

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

Abstract: An organic light-emitting device including: 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 and the emission layer includes a second compound and a third compound. The second compound is a fluorescent host, the third compound is a fluorescent dopant, and the first compound, the second compound, and the third compound each independently includes at least one selected from moieties represented by Formulae A to D:

公开(公告)号：US20200295292A1

公开(公告)日：2020-09-17

申请号：US16887626

申请日：2020-05-29

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/50 ,  H01L51/52

Abstract: A light emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode; and m−1 charge generating layer(s) between the two adjacent emission units from among the m emission units, m−1 charge generating layer(s) including m−1 n-type charge generating layer(s) and m−1 p-type charge generating layer(s), wherein m is an integer of 2 or greater, a maximum emission wavelength of light emitted from at least one of the m emission units differs from that of light emitted from at least one of the other emission units, at least one of the m−1 n-type charge generating layer(s) includes a metal-containing material and an electron transporting metal-non-containing material.

公开(公告)号：US10680195B2

公开(公告)日：2020-06-09

申请号：US15289817

申请日：2016-10-10

Applicant: Samsung Display Co., Ltd.

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

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

Abstract: An organic light emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode; and m−1 charge generating layer(s) between the two adjacent emission units from among the m emission units, m−1 charge generating layer(s) including m−1 n-type charge generating layer(s) and m−1 p-type charge generating layer(s), wherein m is an integer of 2 or greater, a maximum emission wavelength of light emitted from at least one of the m emission units differs from that of light emitted from at least one of the other emission units, at least one of the m−1 n-type charge generating layer(s) includes a metal-containing material and an electron transporting metal-non-containing material.

公开(公告)号：US10340463B2

公开(公告)日：2019-07-02

申请号：US15684852

申请日：2017-08-23

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/50 ,  H01L51/00

Abstract: An organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the first electrode and including an emission layer (EML); a hole transport region between including an electron blocking layer (EBL) and at least one selected from a hole injection layer (HIL), a hole transport layer (HTL), and a buffer layer; and an electron transport region and including a hole blocking layer (HBL) and at least one selected from an electron transport layer and electron injection layer (EIL). A triplet energy of a material for the electron blocking layer (EBL T1), a triplet energy of a material for the hole blocking layer (HBL T1), and a triplet energy of a host in the emission layer (Host T1) satisfy Equation (1) and Equation (2): EBL T1≥HBL T1≥Host T1  (1) EBL T1−HBL T1≥0.2 eV  (2).

公开(公告)号：US10305041B2

公开(公告)日：2019-05-28

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 ,  C09K11/06 ,  H01L51/50

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.