公开(公告)号：US20240172471A1

公开(公告)日：2024-05-23

申请号：US18493930

申请日：2023-10-25

Applicant: Samsung Display Co., Ltd.

Inventor： Heungsu Park ,  Namsu Kang ,  Jimyoung Ye ,  Songeun Lee ,  Jongwon Lee ,  Hyunshik Lee ,  Wonsuk Han

IPC: H10K50/17 ,  H10K50/16 ,  H10K50/858

CPC classification number: H10K50/171 ,  H10K50/16 ,  H10K50/858

Abstract: Embodiments provide a light-emitting device, an electronic apparatus including the light-emitting device, and an electronic device including the light-emitting device. The light-emitting device includes a first electrode, a second electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes m emission units, and m−1 charge generation unit(s) between adjacent ones of the m emission units, wherein m is an integer of 2 or more. One of the m emission units includes an emission layer, an electron injection layer between the emission layer and the second electrode, and an electron transport layer between the electron injection layer and the emission layer. The electron injection layer includes a mixture of a first metal-containing material and a first metal-free material, and the electron transport layer does not include a lithium-containing material.

公开(公告)号：US11527722B2

公开(公告)日：2022-12-13

申请号：US17391613

申请日：2021-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Minkyung Kim ,  Minho Park ,  Huiju Park ,  Dongkyu Lee ,  Jongwon Lee ,  Hyunshik Lee

IPC: H01L51/50 ,  H01L51/00

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.

公开(公告)号：US10340315B2

公开(公告)日：2019-07-02

申请号：US15342147

申请日：2016-11-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji-hye Shim ,  Namsu Kang ,  Yeon-woo Lee

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  H01L27/32

Abstract: A display device includes first to fourth electrodes spaced from each other on a base surface and a fifth electrode spaced from the first to fourth electrodes. A first light emitter is between the first to fourth electrodes and the fifth electrode and overlaps the first to fourth electrodes. A second light emitter is between the fourth and fifth electrodes and overlaps at least one of the first or second electrodes. A third light emitter is between the first to fourth electrodes and the fifth electrode and overlaps at least one of the third or fourth electrodes. A charge generating is layer between the first and second light emitters and between the first and third light emitters. Color filters transmit light from the light emitters in different wavelength ranges.

公开(公告)号：US12250877B2

公开(公告)日：2025-03-11

申请号：US17239405

申请日：2021-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Jin Kim ,  Jongwon Lee ,  Hyunshik Lee ,  Jaehoon Hwang

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

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; m emission units; and m−1 charge generation layer(s), each including an n-type charge generation layer and a p-type charge generation layer and being located between two emission units. The m emission units each include a hole transport region, an electron transport region, and an emission layer between the hole transport region and the electron transport region. An mth electron region included in an mth emission layer that is closest among the m emission units to the second electrode includes an mth electron transport layer. The mth electron transport layer is a single layer consisting of a first compound, the mth emission layer included in the mth emission unit includes a second compound, and the mth electron transport layer and the mth emission layer may be different from each other.

公开(公告)号：US11944002B2

公开(公告)日：2024-03-26

申请号：US17004558

申请日：2020-08-27

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Jin Kim ,  Dongkyu Lee ,  Hyunshik Lee ,  Jungho Choi ,  Jaehoon Hwang

IPC: H10K85/00 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/19 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K85/631 ,  H10K85/626 ,  H10K85/654 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/19 ,  H10K2101/10 ,  H10K2101/30

Abstract: The present application relates to an organic light-emitting device and a flat display apparatus including the same. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; light-emitting units in the number of m between the first electrode and the second electrode; and charge generation layers in the number of m−1 respectively between each pair of adjacent light-emitting units among the light-emitting units in the number of m, each charge generation layer including an n-type charge generation layer and a p-type charge generation layer, wherein m is an integer of 3 or more, the light-emitting units in the number of m each include a hole transport region, an emission layer, and an electron transport region, which are sequentially stacked, electron transport regions in the number of m included in the light-emitting units in the number of m each include an electron transport material, and an electron transport material included in at least one electron transport region among the electron transport regions in the number of m is different from an electron transport material included in at least one electron transport region among the other electron transport regions.

公开(公告)号：US20230102974A1

公开(公告)日：2023-03-30

申请号：US17645942

申请日：2021-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Songeun Lee ,  Heungsu Park ,  Huiju Park ,  Hyunshik Lee ,  Wonsuk Han

IPC: H01L51/00 ,  C07D471/06 ,  C09K11/06 ,  C07D409/12 ,  C07D403/10 ,  C07D403/14

Abstract: A light-emitting device includes a first emission layer and a second emission layer, wherein the first emission layer includes a first hole-transporting host (HTH1), a first electron-transporting host (ETH1), and a first phosphorescent dopant (G1), and the second emission layer includes a second hole-transporting host (HTH2), a second electron-transporting host (ETH2), and a second phosphorescent dopant (G2). The electron mobility of the ETH1 is faster than the electron mobility of the ETH2, the hole mobility of the HTH2 is faster than the hole mobility of the HTH1, and the HTH1 and/or HTH2 includes deuterium.

公开(公告)号：US20220149288A1

公开(公告)日：2022-05-12

申请号：US17517523

申请日：2021-11-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Namsu Kang ,  Minho Park ,  Heungsu Park ,  Minkyung Kim ,  Hyunshik Lee

IPC: H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; m light-emitting units stacked between the first electrode and the second electrode and including an emission layer; and m−1 charge generation layers respectively between two neighboring light-emitting units among the m light-emitting units, wherein m is an integer of 2 or more, at least one of the m light-emitting units includes an n-doped electron transport layer between the emission layer and the second electrode, a charge generation layer on the n-doped electron transport layer includes a p-type charge generation layer in direct contact with the n-doped electron transport layer, the n-doped electron transport layer includes a first electron transport material, a second electron transport material, and a metal, the first electron transport material and the second electron transport material are different from each other.

公开(公告)号：US09954038B2

公开(公告)日：2018-04-24

申请号：US15641563

申请日：2017-07-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Namsu Kang

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L27/3244 ,  H01L27/3211 ,  H01L51/005 ,  H01L51/5044 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092

Abstract: An organic light-emitting device according to an embodiment of the present disclosure includes a first electrode, a second electrode opposite to the first electrode, a first light-emitter on the first electrode to emit first light of a first wavelength range, a second light-emitter between the first light-emitter and the second electrode, to emit second light of a second wavelength range, and a charge generation layer which includes a metal compound having a perovskite structure, is between the first light-emitter and the second light-emitter, and is to generate charges to provide to each of the first light-emitter and the second light-emitter.

公开(公告)号：US20240268221A1

公开(公告)日：2024-08-08

申请号：US18360026

申请日：2023-07-27

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Jinwoo Park ,  Yongmun Choi ,  Sangbaek Woo ,  Daeyong Yoon ,  Younghee Lee

IPC: H10K85/60

CPC classification number: H10K85/654 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6572 ,  H10K50/166

Abstract: Embodiments provide a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, m emitting units between the first electrode and the second electrode, and m−1 charge generation layers between adjacent ones of the m emitting units, and each including an n-type charge generation layer and a p-type charge generation layer, wherein m is an integer of 2 or more, and at least one emitting unit of the m emitting units includes a first emission layer, a second emission layer, a first electron transport layer, a second electron transport layer, and a third electron transport layer.

公开(公告)号：US12035621B2

公开(公告)日：2024-07-09

申请号：US17988899

申请日：2022-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Minkyung Kim ,  Minho Park ,  Huiju Park ,  Dongkyu Lee ,  Jongwon Lee ,  Hyunshik Lee

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K85/30 ,  H10K101/10 ,  H10K101/40

CPC classification number: H10K85/633 ,  H10K85/342 ,  H10K85/346 ,  H10K85/348 ,  H10K85/622 ,  H10K85/623 ,  H10K85/624 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K2101/10 ,  H10K2101/40

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.