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公开(公告)号：US10768470B2
公开(公告)日：2020-09-08
申请号：US16185385
申请日：2018-11-09
Applicant: Samsung Display Co., Ltd.
Inventor： Kyoungwon Park , Soodong Kim , Minki Nam , Sungwoon Kim
IPC: G02B5/20 , G02F2/02 , H01L27/32 , G02F1/1335
Abstract: A color conversion panel includes a color base substrate including a first transmissive area, a second transmissive area and a third transmissive area; a light blocking pattern on the color base substrate and defining the first transmissive area, the second transmissive area, and the third transmissive area; a first color filter in the first transmissive area and the second transmissive area; a first color conversion layer on the first color filter at the first transmissive area; a second color conversion layer on the first color filter in the second transmissive area; and a second color filter on the first transmissive area, the second transmissive area, and the third transmissive area. The first color conversion layer and the second color conversion layer are each between the first color filter and the second color filter.
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公开(公告)号：US12122952B2
公开(公告)日：2024-10-22
申请号：US17448820
申请日：2021-09-24
Applicant: Samsung Display Co., Ltd.
Inventor： Myoungjin Park , Yunku Jung , Jonghoon Kim , Sungwoon Kim , Jaekook Ha
IPC: C09K11/02 , C09K11/08 , C09K11/54 , C09K11/56 , C09K11/88 , H10K71/13 , H10K71/15 , B82Y20/00 , B82Y30/00 , B82Y40/00 , H10K50/11 , H10K50/115 , H10K71/00 , H10K101/10 , H10K102/00
CPC classification number: C09K11/883 , C09K11/54 , H10K71/135 , H10K71/15 , B82Y20/00 , B82Y30/00 , B82Y40/00 , H10K50/11 , H10K50/115 , H10K71/00 , H10K2101/10 , H10K2102/00
Abstract: An inorganic nanoparticle composition includes an inorganic nanoparticle and a highly fluorinated solvent, and the inorganic nanoparticle includes an inorganic material and a F-containing charge-transporting organic ligand. A light-emitting device with the inorganic nanoparticle composition, for example, as a material for forming at least a portion of an electron transport region in the light-emitting device. An electronic apparatus includes the light-emitting device.
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公开(公告)号：US11882712B2
公开(公告)日：2024-01-23
申请号：US17171893
申请日：2021-02-09
Inventor： Minki Nam , Sungwoon Kim , Yunhyuk Ko , Wan Ki Bae , Sooho Lee , Byeong Guk Jeong , Yunku Jung
IPC: H10K50/115 , C09K11/88 , C09K11/08 , B82Y40/00 , B82Y20/00
CPC classification number: H10K50/115 , C09K11/0883 , C09K11/883 , B82Y20/00 , B82Y40/00
Abstract: A quantum dot includes a core and a plurality of shell layers surrounding the core. The core has a band gap less than that of the outermost shell layer, and the outermost shell layer has a band gap less than that of a second shell layer. Thus, a light emitting device including the quantum dot according to an embodiment may have an improved lifespan of the device and excellent luminous efficiency characteristics.
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14.发明授权公开(公告)号：US11859116B2
公开(公告)日：2024-01-02
申请号：US17356463
申请日：2021-06-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yunku Jung , Hyekyoung Choi , Sungwoon Kim , Jaekook Ha
IPC: C09K11/62 , C09K11/56 , C09K11/88 , C09K11/70 , C09K11/02 , C09K11/08 , B82Y20/00 , B82Y40/00 , H10K50/115
CPC classification number: C09K11/626 , C09K11/025 , C09K11/0883 , C09K11/565 , C09K11/70 , C09K11/883 , B82Y20/00 , B82Y40/00 , H10K50/115
Abstract: A quantum dot composition may include: a first solvent; a second solvent different from the first solvent; first quantum dots including a hole-transporting ligand; and second quantum dots including an electron-transporting ligand, wherein the first solvent and the second solvent are miscible solvents having different boiling points from each other, a degree of dispersion of the first quantum dots is greater in the first solvent than in the second solvent, and a degree of dispersion of the second quantum dots is greater in the second solvent than in the first solvent.
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Patent Agency Ranking
公开(公告)号：US20230354631A1
公开(公告)日：2023-11-02
申请号：US18301823
申请日：2023-04-17
Inventor： Yunku Jung , Kookheon Char , Sungwoon Kim , Hakjune Lee
IPC: H10K50/115 , H10K50/165 , H01L33/50 , H01L27/15
CPC classification number: H10K50/115 , H10K50/165 , H01L33/50 , H01L27/15
Abstract: Provided are a quantum dot composition, a light-emitting device including the quantum dot composition, and an electronic apparatus including the light-emitting device, wherein the quantum dot composition includes: a quantum dot comprising a semiconductor compound including a ternary compound and/or a quaternary compound; and a scavenger represented by Formula 1.
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公开(公告)号：US11802239B2
公开(公告)日：2023-10-31
申请号：US17203538
申请日：2021-03-16
Inventor： Yunhyuk Ko , Heesun Yang , Changhee Lee , Kyunghye Kim , Sungwoon Kim , Jungho Jo
IPC: C09K11/62 , C09K11/70 , C09K11/08 , C09K11/56 , C01G15/00 , H05B33/14 , C01G9/08 , C01B19/04 , H10K50/115 , B82Y20/00 , B82Y30/00 , B82Y40/00 , H10K102/00
CPC classification number: C09K11/626 , C01B19/04 , C01G9/08 , C01G15/006 , C09K11/0883 , C09K11/565 , C09K11/70 , H05B33/14 , H10K50/115 , B82Y20/00 , B82Y30/00 , B82Y40/00 , C01P2004/64 , C01P2006/60 , H10K2102/00
Abstract: Provided are a quantum dot, a method of preparing the quantum dot, an optical member including the quantum dot, and an electronic device including the quantum dot. The quantum dot includes a core including indium (In), A1, and A2; and a shell covering the core. A1 is a Group V element, A2 is a Group III element other than indium, and the core includes a first region, and a second region covering the first region. The first region does not include A2, and includes indium and A1, and the second region includes indium, A1, and A2, and indium and A2 are alloyed with each other in the second region.
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17.发明授权公开(公告)号：US11697763B2
公开(公告)日：2023-07-11
申请号：US17356463
申请日：2021-06-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yunku Jung , Hyekyoung Choi , Sungwoon Kim , Jaekook Ha
IPC: C09K11/62 , C09K11/56 , C09K11/88 , C09K11/70 , C09K11/02 , C09K11/08 , B82Y20/00 , B82Y40/00 , H10K50/115
CPC classification number: C09K11/626 , C09K11/025 , C09K11/0883 , C09K11/565 , C09K11/70 , C09K11/883 , B82Y20/00 , B82Y40/00 , H10K50/115
Abstract: A quantum dot composition may include: a first solvent; a second solvent different from the first solvent; first quantum dots including a hole-transporting ligand; and second quantum dots including an electron-transporting ligand, wherein the first solvent and the second solvent are miscible solvents having different boiling points from each other, a degree of dispersion of the first quantum dots is greater in the first solvent than in the second solvent, and a degree of dispersion of the second quantum dots is greater in the second solvent than in the first solvent.
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18.发明授权公开(公告)号：US11616208B2
公开(公告)日：2023-03-28
申请号：US16855985
申请日：2020-04-22
Applicant: Samsung Display Co., Ltd.
Inventor： Minki Nam , Yunku Jung , Jaehong Park , Dukki Kim , Sungwoon Kim
Abstract: A quantum dot composition includes quantum dots and a leveling agent, wherein the leveling agent includes a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2: A light-emitting device and a method of manufacturing the same are also provided.
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公开(公告)号：US20220384752A1
公开(公告)日：2022-12-01
申请号：US17738569
申请日：2022-05-06
Inventor： Sooho Lee , Sungwoon Kim , Jaehoon Lim , Yeongho Choi
Abstract: Provided are a method of preparing quantum dots, a quantum dot prepared by the method, an optical member including the quantum dot, and an electronic apparatus including the quantum dot. The method includes: preparing a mixture of a semiconductor compound including indium (In), a first precursor including a first metal element, a second precursor including a second metal element, a third precursor including a third element, and a fourth precursor including a fourth element; and heating the mixture, wherein the first precursor and the second precursor are different from each other, and the third precursor and the fourth precursor are different from each other.
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