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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.
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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
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.
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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
Abstract: An organic light-emitting device and an apparatus including the organic light-emitting device.
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Patent Agency Ranking
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.
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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.
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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
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.
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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
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.-
公开(公告)号：US20240155861A1
公开(公告)日：2024-05-09
申请号：US18335401
申请日：2023-06-15
Applicant: Samsung Display Co., LTD.
Inventor： Tsuyoshi Naijo , Yunjee Park , Sungsoo Bae , Hojung Syn , Hyosup Shin , Jiyoung Lee , Changwoong Chu
CPC classification number: H10K50/13 , C07F15/0086 , H10K50/12 , H10K50/15 , H10K50/16 , H10K85/346 , H10K2101/90
Abstract: Embodiments provide an organic light-emitting device and an electronic apparatus including the organic light-emitting device. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode and each including an emission layer, and m−1 charge generation layers between adjacent ones of the m light-emitting units, wherein m is an integer of 2 or more, at least one of the emission layers of the light-emitting units includes a first emission layer and a second emission layer, the first emission layer includes a first host, a second host, a first dopant, and a second dopant, the second emission layer includes a third host and a third dopant.
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