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：US20230225204A1

公开(公告)日：2023-07-13

申请号：US18095367

申请日：2023-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Seungcheol Kim ,  Changmin Lee ,  Hyunshik Lee

IPC: H10K85/60

CPC classification number: H10K85/6572 ,  H10K50/181

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer arranged between the first electrode and the second electrode and including an emission layer; and a hole transport region arranged between the first electrode and the emission layer, wherein the hole transport region includes an electron blocking layer, and the electron blocking layer includes a heterocyclic compound represented by Formula 1.

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：US09735389B2

公开(公告)日：2017-08-15

申请号：US14864383

申请日：2015-09-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunshik Lee

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5243 ,  H01L27/3244 ,  H01L51/5228 ,  H01L51/524 ,  H01L51/525 ,  H01L51/5253 ,  H01L2227/323

Abstract: An organic light-emitting display device includes a first substrate including a first base layer, an element layer disposed on the first base layer and including a plurality of emission patterns, and a protection layer that is non-conductive, the protection layer covering the element layer, and a second substrate disposed on the first substrate, and the second substrate including a plurality of nanorods extending toward the first substrate, at least a portion of the nanorods penetrating the protection layer, the second substrate being electrically connected to the element layer through the nanorods penetrating the protection layer.