公开(公告)号：US20250127051A1

公开(公告)日：2025-04-17

申请号：US19000516

申请日：2024-12-23

Applicant: Samsung Display Co., LTD.

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

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K85/40 ,  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：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：US20250115632A1

公开(公告)日：2025-04-10

申请号：US18905564

申请日：2024-10-03

Applicant: Samsung Display Co., Ltd.

Inventor： Junghoon Han ,  Iljoon Kang ,  Soobyung Ko ,  Minje Kim ,  Sungbum Kim ,  Jinhee Ju

IPC: C07F15/00 ,  C07B59/00 ,  C09K11/06 ,  G02F1/1335 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

Abstract: A composition an organometallic compound represented by Formula 1, a light-emitting device, and electronic equipment including the light-emitting device are provided. Also provided is the organometallic compound represented by Formula 1 along with a detailed description of Formula 1 in the present specification.

公开(公告)号：US20250098517A1

公开(公告)日：2025-03-20

申请号：US18605656

申请日：2024-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jinhee Ju ,  Iljoon Kang ,  Soobyung Ko ,  Minje Kim ,  Sujin Shin ,  Chanseok Oh ,  Jihyung Lee

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06 ,  H10K50/12

Abstract: A light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer arranged between the first electrode is provided. The second electrode includes an emission layer, wherein the emission layer includes a compound having both pyridine and anthracene groups geometrically arranged to provide an orthogonal relationship between planes defined by the two groups. The vibrational reorganization energy value of the organometallic compound is reduced by its molecular structure.

公开(公告)号：US12144252B2

公开(公告)日：2024-11-12

申请号：US17365763

申请日：2021-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Hyosup Shin ,  Minje Kim ,  Hyojeong Kim

IPC: H01L51/50 ,  C09K11/06 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/00 ,  H10K101/10

Abstract: An organic electroluminescence device includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host, a first dopant, and a second dopant different from the first dopant, the first dopant and the second dopant are compounds each independently exhibiting thermally activated delayed fluorescence, the first dopant has a delayed fluorescence lifetime (τ) value of about 2.6 μs to about 5.0 μs, and the first host, the first dopant, and the second dopant satisfy Equation 1 defined in the detailed description, thereby exhibiting increased efficiency and lifetime characteristics.

公开(公告)号：US11527725B2

公开(公告)日：2022-12-13

申请号：US16859894

申请日：2020-04-27

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 ,  H01L51/00 ,  C09K11/06

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)≥103S−1  Condition 2 f(C4)≥0.1.  Condition 3

公开(公告)号：US12279519B2

公开(公告)日：2025-04-15

申请号：US16997715

申请日：2020-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejin Jung ,  Minje Kim ,  Eung Do Kim ,  Hyunyoung Kim ,  Hyojeong Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Jungsub Lee ,  Jiyoung Lee ,  Kunwook Cho ,  Hyeon Gu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Hyein Jeong

IPC: H01L51/00 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host and a second host which are different from each other, a first dopant including an organic metal complex containing Ir, Ru, Rh, Pt, Pd, Cu, or Os as a central metal atom, and a second dopant represented by Formula D-2 below, and thereby the organic electroluminescence device may exhibit high luminous efficiency and long service life characteristics.

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：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：US12096683B2

公开(公告)日：2024-09-17

申请号：US17035552

申请日：2020-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsub Lee ,  Hyunyoung Kim ,  Jiyoung Lee ,  Hyejin Jung ,  Minje Kim ,  Eung Do Kim ,  Hyojeong Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Kunwook Cho ,  Hyeon Gu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Hyein Jeong ,  Jaejin Lyu

IPC: H01L51/54 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

CPC classification number: H10K85/6572 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  H10K85/348 ,  H10K85/371 ,  H10K85/40 ,  H10K85/636

Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4:




Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.