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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
发明人： 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
摘要： 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：US20220231253A1
公开(公告)日：2022-07-21
申请号：US17451624
申请日：2021-10-20
发明人： Hyeongpil Kim , Jungmin Kang , Kyungsik Kim , Seokgyu Yoon , Jaeyong Lee , Kunwook Cho
摘要： A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer located between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes a hole transport region located between the first electrode and the emission layer, the hole transport region includes a hole injection layer, the first electrode includes a conductive oxide and a first inorganic material, and the hole injection layer includes a second inorganic material. An electronic apparatus includes the light-emitting device.
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公开(公告)号：US20240324387A1
公开(公告)日：2024-09-26
申请号：US18603478
申请日：2024-03-13
发明人： Seokgyu Yoon , Soungwook Kim , Hwasook Ryu , Hyejin Jung , Kunwook Cho
IPC分类号： H10K59/38 , H10K59/40 , H10K102/10
CPC分类号： H10K59/38 , H10K59/40 , H10K2102/101
摘要： A display apparatus includes a substrate including an emission area and a sensing area, a plurality of light-emitting devices disposed on the substrate and overlapping the emission area, and a plurality of light-receiving devices disposed on the substrate and overlapping the sensing area. Each of the plurality of light-emitting devices includes a pixel electrode, an emission layer disposed on the pixel electrode, and an opposite electrode disposed on the emission layer. Each of the plurality of light-receiving devices includes a sensing electrode, an active layer disposed on the sensing electrode, and an opposite electrode disposed on the active layer. At least one of the plurality of sensing electrodes has a structure that is different from a stacked structure of the pixel electrode, and the sensing electrode includes a transparent conductive layer.
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公开(公告)号：US20230270002A1
公开(公告)日：2023-08-24
申请号：US18105981
申请日：2023-02-06
发明人： Jaeyong Lee , Kyungsik Kim , Yeongrong Park , Hyeonmi Lee , Kunwook Cho
IPC分类号： H10K85/60
CPC分类号： H10K85/633 , H10K85/636 , H10K50/156
摘要： Provided are a light-emitting device and an electronic apparatus including the light-emitting device. 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. The interlayer includes an emission layer, and a hole transport region between the first electrode and the emission layer. The first electrode includes a metal oxide having an absolute value of work function of 5.3 eV or more, the hole transport region includes a first hole transport layer including a first compound represented by Formula 1 and a second hole transport layer including a second compound represented by Formula 2, and the first compound and the second compound are different from each other:
Formulae 1 and 2 are the same as described in the specification.-
公开(公告)号：US12096683B2
公开(公告)日：2024-09-17
申请号：US17035552
申请日：2020-09-28
发明人： 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分类号： H10K85/6572 , H10K85/342 , H10K85/344 , H10K85/346 , H10K85/348 , H10K85/371 , H10K85/40 , H10K85/636
摘要： 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：US20230189644A1
公开(公告)日：2023-06-15
申请号：US18164084
申请日：2023-02-03
发明人： 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分类号： H10K85/6572 , H10K50/12 , H10K85/346 , H10K85/631 , H10K85/654 , H10K85/6574 , H10K30/353
摘要： 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
发明人： 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
摘要： 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
发明人： 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
摘要： 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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公开(公告)号：US12082434B2
公开(公告)日：2024-09-03
申请号：US17361873
申请日：2021-06-29
发明人： Soungwook Kim , Seokgyu Yoon , Kyungsik Kim , Eungdo Kim , Jaejin Lyu , Kunwook Cho , Hyeongu Cho
IPC分类号： H10K50/818
CPC分类号： H10K50/818
摘要： 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：US12035553B2
公开(公告)日：2024-07-09
申请号：US17307451
申请日：2021-05-04
发明人： Hyeongpil Kim , Jungmin Kang , Kyungsik Kim , Seokgyu Yoon , Jaeyong Lee , Kunwook Cho
CPC分类号： H10K50/15 , H10K50/16 , H10K50/171 , H10K59/12 , H10K59/38
摘要： 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, the interlayer including an emission layer. The first electrode may be doped with a metal oxide having a work function of less than about −5.05 electron volts (eV), and a layer including a halide of a lanthanide may be between the first electrode and the emission layer. An electronic apparatus including the light-emitting device is also provided.
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