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：US20230165022A1

公开(公告)日：2023-05-25

申请号：US18058397

申请日：2022-11-23

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Hajin Song ,  Hyoungcheol Lim ,  Yangjin Cho ,  Jaehoon Hwang

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5004 ,  H01L51/0094 ,  H01L51/0073 ,  H01L51/0058 ,  H01L51/504 ,  H01L2251/5384

Abstract: In a light-emitting device, an emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first host, the second emission layer includes a second host and a third host, and a hole mobility of the first host (μH1), a hole mobility of the second host (μH2), and a hole mobility of the third host (μH3) satisfy Expressions (1) and (2) below:


μH1>μH2  (1)



μH1>μH3  (2).

公开(公告)号：US20220320436A1

公开(公告)日：2022-10-06

申请号：US17655982

申请日：2022-03-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Samil Kho ,  Hyoungkun Kim ,  Yeongji Im ,  Hyein Jeong

IPC: H01L51/00

Abstract: An electronic apparatus includes a light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer including an emission layer between the first electrode and the second electrode and an electron transport region between the emission layer and the second electrode, wherein the emission layer includes a compound represented by Formula 1, and the electron transport region includes a first metal-containing compound and a second metal:

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：US11145821B2

公开(公告)日：2021-10-12

申请号：US16298026

申请日：2019-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Daeyup Shin

IPC: C07D213/06 ,  C07B59/00 ,  H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1. In Formula 1, L11 and L21 are each independently represented by Formula 2, and L12 and L22 are each independently represented by Formula 3.

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.