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公开(公告)号：US12250876B2
公开(公告)日：2025-03-11
申请号：US17160205
申请日：2021-01-27
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu Yoon , Eungdo Kim , Hyosup Shin , Jaejin Lyu , Jaeyong Lee , Hyeongu Cho
IPC: H10K85/60 , H10K50/11 , H10K50/15 , H10K50/165 , H10K85/30 , H10K101/40
Abstract: A light-emitting device includes: a first electrode; a hole injection layer; a hole transport layer; an emission layer; an electron transport region; and a second electrode, stacked in order, wherein the hole transport layer and the hole injection layer are different from each other, the hole injection layer includes a first inorganic material, the first inorganic material is an oxide of at least one metal selected from tungsten (W), molybdenum (Mo), zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), gallium (Ga), and germanium (Ge), the first inorganic material has a work function with an absolute value of about 4.3 eV to about 5.3 eV, and the hole injection layer and the hole transport layer satisfy Equations 1 and 2: |ELUMO_HIL|>|ELUMO_HTL|+0.1 eV Equation 1 |EHOMO_HIL|>|EHOMO_HTL|+0.1 eV. Equation 2
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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
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
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公开(公告)号：US12082434B2
公开(公告)日：2024-09-03
申请号：US17361873
申请日：2021-06-29
Applicant: Samsung Display Co., Ltd.
Inventor： Soungwook Kim , Seokgyu Yoon , Kyungsik Kim , Eungdo Kim , Jaejin Lyu , Kunwook Cho , Hyeongu Cho
IPC: H10K50/818
CPC classification number: H10K50/818
Abstract: A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer.
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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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Patent Agency Ranking
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：US20220020950A1
公开(公告)日：2022-01-20
申请号：US17361873
申请日：2021-06-29
Applicant: Samsung Display Co.,Ltd.
Inventor： Soungwook KIM , Seokgyu Yoon , Kyungsik Kim , Eungdo Kim , Jaejin Lyu , Kunwook Cho , Hyeongu Cho
IPC: H01L51/52
Abstract: A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer.
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公开(公告)号：US20230189644A1
公开(公告)日：2023-06-15
申请号：US18164084
申请日：2023-02-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyunyoung Kim , Minje Kim , Eungdo Kim , Hyojeong Kim , Hyosup Shin , Seokgyu Yoon , Youngki Lee , Jungsub Lee , Jiyoung Lee , Hyejin Jung , Kunwook Cho , Hyeongu Cho , Minsoo Choi , Youngeun Choi , Hyein Jeong
CPC classification number: H10K85/6572 , H10K50/12 , H10K85/346 , H10K85/631 , H10K85/654 , H10K85/6574 , H10K30/353
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 facing the first 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 2, 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：US11605786B2
公开(公告)日：2023-03-14
申请号：US17028894
申请日：2020-09-22
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung Kim , Minje Kim , Eungdo Kim , Hyojeong Kim , Hyosup Shin , Seokgyu Yoon , Youngki Lee , Jungsub Lee , Jiyoung Lee , Hyejin Jung , Kunwook Cho , Hyeongu Cho , Minsoo Choi , Youngeun Choi , Hyein Jeong
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 facing the first 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 2, 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：US11575092B2
公开(公告)日：2023-02-07
申请号：US16923539
申请日：2020-07-08
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung Kim , Minje Kim , Eungdo Kim , Hyojeong Kim , Hyosup Shin , Seokgyu Yoon , Youngki Lee , Jungsub Lee , Jiyoung Lee , Hyejin Jung , Kunwook Cho , Hyeongu Cho , Minsoo Choi , Youngeun Choi , Jaejin Lyu
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 Formula 4, each as respectively described in the detailed description.
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