公开(公告)号：US20210376252A1

公开(公告)日：2021-12-02

申请号：US17324073

申请日：2021-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinwon SUN ,  Jungsub LEE

IPC: H01L51/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a host and a dopant, the host includes a first host compound, a second host compound, and a third host compound, and the first host compound satisfies Conditions 1-1 and 1-2: S1(H1)>3 eV  Condition 1-1 T1(H1)>2.8 eV,  Condition 1-2 wherein, in Conditions 1-1 and 1-2, S1(H1) indicates a lowest excitation singlet energy level of the first host compound, and T1(H1) indicates a lowest excitation triplet energy level of the first host compound.

公开(公告)号：US20220216432A1

公开(公告)日：2022-07-07

申请号：US17562896

申请日：2021-12-27

Applicant: Samsung Display Co., Ltd

Inventor： Eunhye SONG ,  Dongchan LEE ,  Pyungeun JEON ,  Jinwon SUN

IPC: H01L51/00

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 interlayer further includes a hole transport region between the emission layer and the first electrode, the hole transport region includes a hole transport layer, the hole transport layer includes a first compound and a second compound, the hole transport layer directly contacts the first electrode, and the first compound and the second compound satisfy Condition 1, as defined herein.

公开(公告)号：US20230225148A1

公开(公告)日：2023-07-13

申请号：US17964436

申请日：2022-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hojung SYN ,  Jinwon SUN ,  Changwoong CHU

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

CPC classification number: H01L51/5056 ,  H01L51/5096 ,  H01L51/5072 ,  H01L27/3244 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0072 ,  H01L51/006 ,  H01L51/0073 ,  H01L51/0067 ,  H01L51/0061 ,  H01L51/0059 ,  H01L51/0074 ,  H01L51/0064 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0071

Abstract: Provided are a light-emitting device and an electronic apparatus including the same. 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. The interlayer includes an emission layer, and a hole transport region between the first electrode and the emission layer. The emission layer includes a transition metal-containing organometallic compound. The hole transport region includes an electron-blocking layer. The electron-blocking layer includes a first electron-blocking material and a second electron-blocking material, and the first electron-blocking material and the second electron-blocking material have different hole mobilities.

公开(公告)号：US20200308209A1

公开(公告)日：2020-10-01

申请号：US16829818

申请日：2020-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu YOON ,  Jinwon SUN ,  Hyosup SHIN ,  Hyeongu CHO

IPC: C07F15/00 ,  H01L51/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first host, a first dopant, and a second dopant, and the first dopant is an organometallic compound the first dopant represented by one of Formulae 40 and 50 and including metal having an atomic weight of 40 or greater:

公开(公告)号：US20220020939A1

公开(公告)日：2022-01-20

申请号：US17369366

申请日：2021-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yoonkyoo LEE ,  Jinwon SUN ,  Jungsub LEE

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06 ,  C07D209/86

Abstract: The disclosure relates to a light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode and including an emission layer. The interlayer includes a first compound represented by Formula 1 of the specification, a second compound represented by Formula 2 of the specification, and a third compound, which is a blue phosphorescent compound. The disclosure also relates to an electronic apparatus including the light-emitting device.

公开(公告)号：US20210151691A1

公开(公告)日：2021-05-20

申请号：US17035448

申请日：2020-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Bohyun YOON ,  Heejoo Ko ,  Jinwon SUN ,  Hyun Shin

IPC: H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode and including a first emission layer and a second emission layer; wherein the first emission layer is located closer to the first electrode than the second emission layer and includes a first hole transport host, a first electron transport host, and a first phosphorescent dopant, and, in the first emission layer, an amount of the first hole transport host is greater than an amount of the first electron transport host, the second emission layer includes a second hole transport host, a second electron transport host, and a second phosphorescent dopant, and, in the second emission layer, an amount of the second electron transport host is greater than an amount of the second hole transport host, and the first emission layer and the second emission layer are configured to emit light of substantially the same color.

公开(公告)号：US20230354702A1

公开(公告)日：2023-11-02

申请号：US18297173

申请日：2023-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yoonkyoo LEE ,  Jinwon SUN ,  Jungsub LEE ,  Heechoon Ahn

IPC: H10K85/60 ,  C07F7/08 ,  C09K11/06 ,  H10K85/40 ,  C07D209/88 ,  C07F15/00 ,  H10K85/30 ,  C07D403/14

CPC classification number: H10K85/6572 ,  C07D209/88 ,  C07D403/14 ,  C07F7/0812 ,  C07F15/0086 ,  C09K11/06 ,  H10K85/346 ,  H10K85/40 ,  H10K85/654 ,  H10K50/12

Abstract: Embodiments provide a light-emitting device and an electronic apparatus that includes the light-emitting device. The 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 and including an emission layer. The interlayer includes a first compound represented by Formula 1, a second compound represented by Formula 2, and a third compound that is a blue phosphorescent compound, wherein Formulae 1 and 2 are explained in the specification.

公开(公告)号：US20210066617A1

公开(公告)日：2021-03-04

申请号：US17003743

申请日：2020-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun SHIN ,  Jinwon SUN

IPC: H01L51/00 ,  C07D209/86 ,  C09K11/06 ,  C07D209/88 ,  C07F7/08 ,  C07D409/14 ,  C07F15/00

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 host, a second host, and a dopant, the first host and the second host are to form an exciplex, and the exciplex, the first host, and the second host satisfy Condition 1: 0.5 eV≤[{T1(H1)−S1(Ex)}+{T1(H2)−S1(Ex)}]≤0.9 eV  Condition 1 wherein, in Condition 1, T1(H1) indicates a lowest excitation triplet energy level of the first host, T1(H2) indicates a lowest excitation triplet energy level of the second host, and S1(Ex) indicates a lowest excitation singlet energy level of the exciplex.

公开(公告)号：US20200350507A1

公开(公告)日：2020-11-05

申请号：US16859763

申请日：2020-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Jinwon SUN ,  Jaejin LYU ,  Jungsub LEE ,  Hyun SHIN ,  Yoonkyoo LEE

IPC: H01L51/50 ,  H01L27/32 ,  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 second electrode, wherein the organic layer includes an emission layer having a first layer, and the first layer includes a first compound, a second compound, and a third compound. The first compound is a hole transporting host compound, the second compound is an electron transporting host compound, and the third compound is a hole transporting host compound or an electron transporting host compound. The first compound and the second compound form a first exciplex, and the first compound and the third compound, or the second compound and the third compound form a second exciplex, where the first exciplex and the second exciplex are different from each other.