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：US20230268467A1

公开(公告)日：2023-08-24

申请号：US17979958

申请日：2022-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Mieun Jun ,  Yujin Kang ,  Youngki Lee

IPC: H01L33/50 ,  H01L33/14

CPC classification number: H01L33/502 ,  H01L33/14

Abstract: A 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. The emission layer includes a first host, a second host, a first dopant, and a second dopant, which are all different from one another. The first host is a hole transporting compound, the second host is an electron transporting compound, the first dopant is a phosphorescent dopant, and the second dopant is a delayed fluorescence dopant. The light-emitting device satisfies Expression 1, and a spectral overlap integral of an emission spectrum of the first dopant and an absorption spectrum of the second dopant is 0.5×1014 M−1cm−1nm4 or greater, wherein the spectral overlap integral is evaluated by Expression 2:


T1(D1)≤S1(D2)  [Expression 1]



J(λ)=∫0∞ε(λ)λ4FD(λ)dλ  [Expression 2]

Expressions 1 and 2 are explained in the specification.

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：US20240051981A1

公开(公告)日：2024-02-15

申请号：US18354378

申请日：2023-07-18

Applicant: Samsung Display Co., Ltd.

Inventor： Soobyung Ko ,  Eunyoung Lee ,  Iljoon Kang ,  Sujin Shin ,  Youngki Lee ,  Mina Jeon ,  Changwoong Chu

IPC: C07F15/00 ,  H10K50/12 ,  H10K85/30 ,  H10K85/60

CPC classification number: C07F15/0086 ,  H10K50/12 ,  H10K85/346 ,  H10K85/654 ,  H10K85/6572 ,  C07B2200/05 ,  H10K2101/30

Abstract: An organic 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 organometallic compound represented by Formula 1. In addition, an electronic apparatus including the light-emitting device, a composition including the organometallic compound represented by Formula 1, and an organometallic compound represented by Formula 1 are also provided.

公开(公告)号：US20250120302A1

公开(公告)日：2025-04-10

申请号：US18902635

申请日：2024-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Soobyung Ko ,  Jaesung Lee ,  Youngki Lee ,  Jihyung Lee ,  Minju Han ,  Junghoon Han

IPC: H10K85/30 ,  C09K11/02 ,  H10K50/12 ,  H10K85/20 ,  H10K85/40 ,  H10K85/60 ,  H10K101/20

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 an organometallic compound represented by Formula 1. In addition, there are provided an electronic apparatus including the light-emitting device, and the organometallic compound represented by Formula 1.

公开(公告)号：US12167688B2

公开(公告)日：2024-12-10

申请号：US17445981

申请日：2021-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Youngki Lee ,  Jungsub Lee

IPC: H01L51/00 ,  C07D471/04 ,  H10K85/60 ,  H10K50/11 ,  H10K59/122

Abstract: A light emitting device of an embodiment includes a first electrode oppositely disposed to a second electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1, thereby showing improved emission efficiency:

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.