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：US20250087156A1

公开(公告)日：2025-03-13

申请号：US18776356

申请日：2024-07-18

Applicant: Samsung Display Co., LTD.

Inventor： Jiyoung Lee ,  Sohae Kim ,  Jisong Chae ,  Sanggu Lee ,  Yongwoo Lee ,  Hyunguk Cho ,  Hyunyoung Choi

IPC: G09G3/3233

Abstract: A pixel includes a first transistor configured to output, to an output terminal, a driving current corresponding to an amplitude of a data voltage, a second transistor connected between a gate of the first transistor and a data line, a third transistor connected between the first transistor and the second transistor, a fourth transistor connected between the first transistor and a driving voltage line, a light-emitting diode connected to the first transistor, a first capacitor connected between the gate of the first transistor and the third transistor, and a second capacitor connected between the third transistor and the driving voltage line.

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：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：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：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：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：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.