公开(公告)号：US12120954B2

公开(公告)日：2024-10-15

申请号：US18064787

申请日：2022-12-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyojeong Kim ,  Minje Kim ,  Eungdo Kim ,  Hyunyoung Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Jungsub Lee ,  Jiyoung Lee ,  Hyejin Jung ,  Kunwook Cho ,  Hyeongu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Jaejin Lyu

IPC: H01L51/50 ,  C09K11/06 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K85/6572 ,  C09K11/06 ,  H10K85/322 ,  H10K85/342 ,  H10K85/40 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  C09K2211/1077 ,  C09K2211/185 ,  H10K50/11 ,  H10K2101/00 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/90

Abstract: An organic light-emitting device having improved efficiency and lifespan 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, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3:

T1(C3)onset≥S1(C4)onset  Condition 1-1

T1(C3)max≥S1(C4)max  Condition 1-2

KRISC(C4)≥103 S−1  Condition 2

f(C4)≥0.1  Condition 3.

公开(公告)号：US20220388989A1

公开(公告)日：2022-12-08

申请号：US17660006

申请日：2022-04-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunwoo Lee ,  Jungsub Lee ,  Hyojeong Kim

IPC: C07D403/10 ,  H01L51/00 ,  C07D405/14 ,  C07D409/14 ,  C07D487/04 ,  C07F7/08

Abstract: A light-emitting device and an electronic apparatus (including the light-emitting device) are provided. The light-emitting device includes a first compound represented by Formula 1 and a second compound represented by Formula 2: wherein detailed descriptions of Formula 1 and Formula 2 are the same as described in the present specification.

公开(公告)号：US11462703B2

公开(公告)日：2022-10-04

申请号：US16707653

申请日：2019-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsub Lee ,  Minje Kim ,  Hyojeong Kim ,  Jiyoung Lee ,  Kunwook Cho

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

Abstract: An organic light-emitting device and an apparatus including the organic light-emitting device.

公开(公告)号：US12225816B2

公开(公告)日：2025-02-11

申请号：US17446647

申请日：2021-09-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunyoung Kim ,  Minje Kim ,  Hyojeong Kim ,  Jungsub Lee ,  Jiyoung Lee

IPC: H01L51/00 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K101/00 ,  H10K101/10 ,  H10K101/40

Abstract: A light-emitting device and an electronic apparatus including the same are provided.

公开(公告)号：US20240341115A1

公开(公告)日：2024-10-10

申请号：US18597699

申请日：2024-03-06

Applicant: Samsung Display Co., Ltd.

Inventor： Youngki Lee ,  Yujin Kang ,  Minje Kim ,  Seongkeun Kim ,  Eungdo Kim ,  Hyunyoung Kim ,  Hyojeong Kim ,  Jungsub Lee ,  Hyunwoo Lee ,  Mieun Jun

IPC: H10K50/12 ,  C09K11/06 ,  H10K50/15 ,  H10K85/30 ,  H10K85/60 ,  H10K101/20 ,  H10K102/00

CPC classification number: H10K50/121 ,  C09K11/06 ,  H10K50/156 ,  H10K85/342 ,  H10K85/346 ,  H10K85/6572 ,  H10K85/658 ,  C09K2211/1018 ,  H10K2101/20 ,  H10K2102/351

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including a hole transport region and an emission layer, the hole transport region including a first layer including a compound represented by Formula 1 and a second layer, where a thickness of the emission layer is greater than or equal to about 25% of a thickness of the first layer. In addition, an electronic apparatus and an electronic device each including the light-emitting device are also provided.

公开(公告)号：US20240292747A1

公开(公告)日：2024-08-29

申请号：US18364157

申请日：2023-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Eungdo Kim ,  Yujin Kang ,  Minje Kim ,  Seongkeun Kim ,  Hyunyoung Kim ,  Hyojeong Kim ,  Youngki Lee ,  Jungsub Lee ,  Hyunwoo Lee ,  Mieun Jun

IPC: H10K85/60 ,  H10K85/40

CPC classification number: H10K85/6572 ,  H10K85/40 ,  H10K85/624 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/12 ,  H10K2101/90

Abstract: Embodiments provide a light-emitting device including 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, wherein m is an integer of 3 or more, and the emitting units include a first emitting unit, a second emitting unit, and a third emitting unit. The first emitting unit includes a first-first host and a first-second host, the second emitting unit includes a second-first host and a second-second host, the third emitting unit includes a third-first host and a third-second host, and T1 values of hosts of at least one of a first emitting unit, a second emitting unit, and a third emitting unit are each smaller than T1 values of hosts of the other emitting units.

公开(公告)号：US20220293864A1

公开(公告)日：2022-09-15

申请号：US17513323

申请日：2021-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojeong Kim ,  Jungsub Lee

IPC: H01L51/00

Abstract: A light-emitting device may have excellent or suitable efficiency and/or lifespan. 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 and including an emission layer, wherein the emission layer includes: a compound represented by Formula 1; and a compound represented by Formula 2:

公开(公告)号：US11864400B2

公开(公告)日：2024-01-02

申请号：US16886441

申请日：2020-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu Yoon ,  Hyosup Shin ,  Hyojeong Kim

IPC: H01L51/50 ,  H10K50/11 ,  H10K50/12 ,  H10K50/16 ,  H10K50/18 ,  H10K50/155 ,  H10K50/17 ,  H10K85/30 ,  H10K101/10

CPC classification number: H10K50/11 ,  H10K50/12 ,  H10K50/155 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18 ,  H10K85/322 ,  H10K2101/10

Abstract: Provided are an organic light-emitting device and an electronic apparatus including the same. The 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 first host and a first dopant, and the first host and the first dopant each satisfy Equations 1-1 and 1-2. In Equations 1-1 and 1-2, T1(H1)onset, T1(D1)onset, T1(H1)max, and T1(D1)max are understood by referring to the description provided herein.

T1(H1)onset≥T1(D1)onset  Equation 1-1

T1(H1)max≤T1(D1)max.  Equation 1-2

公开(公告)号：US11793065B2

公开(公告)日：2023-10-17

申请号：US16865180

申请日：2020-05-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunyoung Kim ,  Youngeun Choi ,  Minje Kim ,  Eungdo Kim ,  Hyojeong Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Jungsub Lee ,  Jiyoung Lee ,  Hyejin Jung ,  Kunwook Cho ,  Hyeongu Cho ,  Minsoo Choi ,  Jaejin Lyu

IPC: H10K85/30 ,  H10K50/11 ,  H10K50/18 ,  H10K50/12 ,  H10K50/84 ,  H10K85/40 ,  H10K85/60 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K101/00

CPC classification number: H10K85/342 ,  H10K50/11 ,  H10K50/121 ,  H10K50/18 ,  H10K50/841 ,  H10K85/346 ,  H10K85/40 ,  H10K85/631 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  C09K11/06 ,  C09K2211/1014 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K2101/90

Abstract: An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.

公开(公告)号：US20230189544A1

公开(公告)日：2023-06-15

申请号：US18064108

申请日：2022-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojeong Kim ,  Jungsub Lee ,  Changwoong Chu

IPC: H10K50/15 ,  H10K50/11 ,  H10K85/60 ,  H10K50/16 ,  H10K85/40

CPC classification number: H01L51/5056 ,  H01L51/0064 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5072

Abstract: Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; a first compound represented by Formula 1; and a second compound including at least one π electron-deficient nitrogen-containing C1-C60 cyclic group. The details of Formula 1 are the same as described in the detailed description.