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：US20240298517A1

公开(公告)日：2024-09-05

申请号：US18370815

申请日：2023-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Naijo Tsuyoshi ,  Sungsoo Bae ,  Hojung Syn ,  Jiyoung Lee ,  Changwoong Chu

IPC: H10K85/30 ,  C09K11/06 ,  H10K85/60

CPC classification number: H10K85/346 ,  C09K11/06 ,  H10K85/658 ,  C09K2211/1018 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/185 ,  H10K50/121 ,  H10K2101/30

Abstract: A light-emitting device including 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 is provided. The emission layer includes a sensitizer and an emitter and a spectral overlap integral of an emission spectrum of the sensitizer and an absorption spectrum of the emitter is at least 1×1013 M−1 cm4. A highest occupied molecular orbital (HOMO) energy level of the sensitizer is greater than a HOMO energy level of the emitter, and the spectral overlap integral is evaluated by Equation 1:








J
⁡
(
λ
)

=


∫
0
∞



ε
⁡
(
λ
)

⁢

λ
4

⁢


F
D

(
λ
)

⁢
d
⁢

λ
.







Equation
⁢

1

公开(公告)号：US11963375B2

公开(公告)日：2024-04-16

申请号：US17227886

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Makoto Yamamoto ,  Toshiyuki Matsuura ,  Hyunyoung Kim ,  Hyosup Shin

IPC: H10K50/11 ,  G02B1/08 ,  G02B5/20 ,  H01L33/50 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K101/10 ,  H10K101/40

CPC classification number: H10K50/11 ,  G02B1/08 ,  G02B5/20 ,  H01L33/50 ,  H10K85/346 ,  H10K85/40 ,  H10K85/623 ,  H10K85/624 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/15 ,  H10K50/16 ,  H10K2101/10 ,  H10K2101/40

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 may include a hole transporting host, an electron transporting host, a sensitizer, and a delayed fluorescence dopant. The hole transporting host and the electron transporting host may form an exciplex. The sensitizer may include an organometallic compound. The delayed fluorescence dopant may not include a metal atom, and the exciplex may satisfy specific Equations.

公开(公告)号：US20220077416A1

公开(公告)日：2022-03-10

申请号：US17223952

申请日：2021-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Tsuyoshi Naijo ,  Hyunyoung Kim ,  Dongyoun Yoo ,  Jiyoung Lee

IPC: H01L51/50

Abstract: A light-emitting device including a first electrode; a second electrode facing the first electrode; and interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first dopant, wherein the second dopant is an electron-trapping dopant, and the second emission layer includes a third dopant and a fourth dopant, wherein the fourth dopant is a hole-trapping dopant.

公开(公告)号：US20250120313A1

公开(公告)日：2025-04-10

申请号：US18883228

申请日：2024-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Tsuyoshi Naijo ,  Seran Kim ,  Sungsoo Bae ,  Hyosup Shin ,  Changwoong Chu ,  Moran Ha

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K85/40 ,  H10K101/00 ,  H10K101/25 ,  H10K101/30

Abstract: Embodiments provide a light-emitting device that 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, a first compound that is a hole-transporting compound, a second compound that is an electron-transporting compound, a third compound that is an organometallic compound, and a fourth compound that is a boron-containing compound. The fourth compound has a difference (ΔEST) between a lowest excitation singlet energy level and a lowest excitation triplet energy level less than or equal to about 0.4 eV; and the light-emitting device satisfies Condition 1 or Condition 2, which are explained in the specification: KFRET>Krt  [Condition 1] R0>RDA.  [Condition 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：US20220344593A1

公开(公告)日：2022-10-27

申请号：US17714872

申请日：2022-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Tsuyoshi Naijo ,  Hyunyoung Kim ,  Hyosup Shin ,  Jungsub Lee

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: A light-emitting device including a heterocyclic compound represented by Formula 1 and a phosphorescent dopant, and an electronic apparatus including the light-emitting device are provided. Formula 1 is the same as described in the present specification. The 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 an emission layer, and the heterocyclic compound represented by Formula 1.

公开(公告)号：US11251388B2

公开(公告)日：2022-02-15

申请号：US16222899

申请日：2018-12-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Taekyung Kim

IPC: H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/52

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 and a triplet exciton quenching layer. A display apparatus includes a thin film transistor comprising a source electrode, a drain electrode, and an active layer; and the organic light-emitting device, where the first electrode of the organic light-emitting device is electrically coupled to one selected from the source electrode and the drain electrode of the thin film transistor.