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：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：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：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：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