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公开(公告)号：US09978974B2
公开(公告)日：2018-05-22
申请号：US15588134
申请日：2017-05-05
Applicant: Samsung Display Co., Ltd.
Inventor： Yisu Kim , Dongchan Kim , Byoungduk Lee , Yoonhyeung Cho
IPC: H01L51/50 , C07C211/63 , C09K11/06 , H01L51/00
CPC classification number: H01L51/5036 , C07C211/63 , C09K11/06 , C09K11/584 , C09K11/7732 , C09K11/883 , C09K2211/10 , C09K2211/182 , H01L51/0077 , H01L51/502 , H05B33/14
Abstract: A light-emitting device is provided. The light emitting device includes a first electrode, second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes at least one perovskite compound, a first quantum dot, and a second quantum dot. The first quantum dot and the second quantum dot may be different from each other.
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公开(公告)号：US12295201B2
公开(公告)日：2025-05-06
申请号：US17838462
申请日：2022-06-13
Applicant: Samsung Display Co., Ltd.
Inventor： Hakchoong Lee , Yoonseok Ka , Dongchan Kim , Jiyoung Moon , Hajin Song , Jihwan Yoon , Jaehoon Hwang
IPC: H10K102/00 , H10K50/826 , H10K59/123
Abstract: A display apparatus includes a first electrode on a substrate, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, wherein the second electrode includes a first conductive layer including a first base metal and a first additive metal that is different from the first base metal, a second conductive layer on the first conductive layer and including a single metal material, and a third conductive layer on the second conductive layer and including a second base metal and a second additive metal that is different from the second base metal.
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公开(公告)号：US20230329103A1
公开(公告)日：2023-10-12
申请号：US18108146
申请日：2023-02-10
Applicant: Samsung Display Co., Ltd.
Inventor： Jungho Choi , Dongchan Kim , Yoonseok Ka , Pilgu Kang , Hajin Song , Hakchoong Lee
IPC: H10K85/60 , H10K50/115 , C09K11/06
CPC classification number: H10K85/6572 , H10K50/115 , C09K11/06 , H10K50/131
Abstract: Embodiments provide a light-emitting device and an electronic apparatus including the same. 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 m emitting parts, and m−1 charge generation parts between two adjacent ones of the emitting parts, wherein m is an integer of 2 or more. At least one of the charge generation parts includes an n-type charge generation layer, a first p-type charge generation layer, and a second p-type charge generation layer. A band gap of the second p-type charge generation layer is greater than a band gap of the first p-type charge generation layer.
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公开(公告)号：US20230140767A1
公开(公告)日：2023-05-04
申请号：US17714892
申请日：2022-04-06
Applicant: Samsung Display Co., Ltd.
Inventor： Hakchoong Lee , Yoonseok Ka , Dongchan Kim , Jiyoung Moon , Hajin Song , Jihwan Yoon , Jaehoon Hwang
IPC: H01L51/52
Abstract: A light-emitting device includes a second electrode that includes: a first layer including a first metal having a work function with an absolute value of 5.2 eV or less and a second metal having an electrical conductivity of 1×107 S/m or more; and a second layer consisting of the second metal having the electrical conductivity of 1×107 S/m or more. The first metal and the second metal are different from each other, a thickness of the first layer is from 1 Å to 30 Å, and a thickness of the second layer is from 10 Å to 110 Å.
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公开(公告)号：US11342387B2
公开(公告)日：2022-05-24
申请号：US15464926
申请日：2017-03-21
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongchan Kim , Byoungduk Lee , Yoonhyeung Cho
Abstract: Provided is an organic light-emitting display apparatus. The organic light-emitting display apparatus includes a first substrate; an organic light-emitting device disposed on the first substrate; and a thin film comprising at least one perovskite compound represented by Formula 1 disposed on the organic light-emitting device. T the thin film is positioned in a traveling direction of light emitted from the organic light-emitting device: [A][B1nB2(1-n)][X]3 A is at least one monovalent organic-cation, at least one monovalent inorganic-cation, or a combination thereof. B1 and B2 are each independently at least one divalent inorganic-cation. n is a real number satisfying 0
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Patent Agency Ranking
56.发明授权公开(公告)号：US11114620B2
公开(公告)日：2021-09-07
申请号：US16206969
申请日：2018-11-30
Applicant: Samsung Display Co., Ltd.
Inventor： Yoonhyeung Cho , Hyungseok Jang , Dongchan Kim , Wonjong Kim , Jiyoung Moon , Yeongrong Park , Dongkyu Seo , Myungchul Yeo , Jihye Lee
Abstract: Disclosed is an organic light-emitting diode device including: a first electrode; a second electrode disposed opposite to the first electrode; m light-emitting units (where m is an integer of 2 or more) disposed between the first electrode and the second electrode, and including at least one light-emitting layer; and m-1 charge generation layers each interposed between two adjacent light-emitting units of the m light-emitting units; wherein at least one of the m-1 charge generation layers includes a compound for a charge generation layer, which includes a boron-containing compound bonded to a metal halide by a one-electron sigma bond.
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公开(公告)号：US11024765B2
公开(公告)日：2021-06-01
申请号：US16844838
申请日：2020-04-09
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yisu Kim , Dongchan Kim , Eungseok Park , Wonmin Yun , Byoungduk Lee , Yongchan Ju
Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.
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58.发明授权公开(公告)号：US10944069B2
公开(公告)日：2021-03-09
申请号：US16167848
申请日：2018-10-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Jiyoung Moon , Yeongrong Park , Myungchul Yeo , Jihye Lee , Hyungseok Jang , Wonjong Kim , Yoonhyeung Cho
IPC: H01L51/52 , H01L51/50 , G09G3/3258 , H01L27/12
Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light emitting layer on the hole transport region, an electron transport region on the light emitting layer, and a second electrode on the electron transport region. The electron transport region includes an electron transport layer directly on the light emitting layer. The electron transport layer includes a first ternary compound including a halogen element.
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公开(公告)号：US10886490B2
公开(公告)日：2021-01-05
申请号：US16202295
申请日：2018-11-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Eungdo Kim , Dongchan Kim , Wonjong Kim , Dongkyu Seo , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Changwoong Chu
Abstract: Provided is an organic light-emitting device including 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, the organic layer including a low work function metal compound.
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公开(公告)号：US10784449B2
公开(公告)日：2020-09-22
申请号：US15485080
申请日：2017-04-11
Applicant: Samsung Display Co., Ltd.
Inventor： Dongchan Kim , Yoonhyeung Cho , Wonjong Kim , Eungdo Kim , Dongkyu Seo , Jonghyuk Lee , Jihye Lee , Sanghoon Yim , Wonsuk Han
Abstract: A perovskite compound represented by Formula 1, a thin layer including the perovskite compound, and an optoelectronic device including the perovskite compound: [A][B1nB2(1-n)][X]3. Formula 1 In Formula 1, A may be at least one selected from a monovalent organic cation, monovalent inorganic cation, and combinations thereof; B1 may be a thulium (II) (Tm2+) ion; B2 may be at least one divalent inorganic cation, where B2 is free of (e.g., does not include) Tm2+; n may be a real number that satisfies 0
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