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公开(公告)号：US20230136511A1
公开(公告)日：2023-05-04
申请号：US17732007
申请日：2022-04-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungsang CHO
Abstract: Provided is a method for producing a quantum dot (QD) film, the method including applying a QD solution on a surface of a base portion to form a QD array, performing cross-linking on the formed QD array, doping QDs included in the QD array by reacting the QDs included in the QD array on which cross-linking is completed with a metal solution including a doping metal, and cleaning the QD array to obtain a QD film including the doped QDs.
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公开(公告)号：US20220298414A1
公开(公告)日：2022-09-22
申请号：US17571738
申请日：2022-01-10
Inventor： Kyungsang CHO , Sohee JEONG , Taewan KIM , Yooseong YANG , Seongmin PARK
Abstract: According to an aspect, a method of preparing quantum dots includes a first operation of preparing a quantum dot seed solution; a second operation of growing a quantum dot by continuously injecting a quantum dot cluster solution into the quantum dot seed solution; a third operation of separating the grown quantum dot and dispersing the quantum dot in a solvent; and a fourth operation of further growing the quantum dot by continuously injecting the quantum dot cluster solution into the dispersed quantum dot.
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Patent Agency Ranking
公开(公告)号：US20210249453A1
公开(公告)日：2021-08-12
申请号：US16919328
申请日：2020-07-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungsang CHO , Hojung KIM , Chanwook BAIK
IPC: H01L27/146
Abstract: Provided are opto-electronic devices with low dark noise and high signal-to-noise ratio and methods of manufacturing the same. An opto-electronic device may include: a semiconductor substrate; a light receiving unit formed in the semiconductor substrate; and a driving circuit arranged on a surface of the semiconductor substrate. The light receiving unit may include: a first semiconductor layer partially arranged in an upper region of the semiconductor substrate and doped with a first conductivity type impurity; a second semiconductor layer arranged on the first semiconductor layer and doped with a second conductivity type impurity; a transparent matrix layer arranged on an upper surface of the second semiconductor layer; a plurality of quantum dots arranged to contact the transparent matrix layer; and a first electrode and a second electrode electrically connected to the second semiconductor layer and respectively arranged on both sides of the transparent matrix layer.
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公开(公告)号：US20210126159A1
公开(公告)日：2021-04-29
申请号：US16849296
申请日：2020-04-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungsang CHO
Abstract: An optoelectric device includes a quantum dot core and an intermediate provided on at least a part of a surface of the quantum dot core, thereby converting light energy incident upon the optoelectric device to electrical energy.
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公开(公告)号：US20200173850A1
公开(公告)日：2020-06-04
申请号：US16781664
申请日：2020-02-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungsang CHO , Chanwook BAIK
Abstract: A light filter includes a plurality of spectrum modulation portions, each having a different thicknesses or a different mixing ratio of materials thereof. Each of the plurality of spectrum modulation portions has a different transmittance spectrum.
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26.发明申请公开(公告)号：US20190086259A1
公开(公告)日：2019-03-21
申请号：US15888754
申请日：2018-02-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungsang CHO
Abstract: Provided are a filter array, a spectral detector including the filter array, and a spectrometer employing the spectral detector. The filter array may have a multi-array structure including a plurality of filter arrays. The filter array may include a first filter array having a first structure in which a plurality of first filters with different transmittance spectrums are arranged, and a second filter array having a second structure in which a plurality of second filters with different transmittance spectrums are arranged, the second filter array being arranged to at least partially overlap the first filter array at a first position relative to the first filter array so that the multi-arrangement type filter array has a first set of absorbance characteristics. The second filter array may be configurable to be arranged to at least partially overlap the first filter array at a second position relative to the first filter array so that the multi-arrangement type filter array has a second set of absorbance characteristics different from the first set of absorbance characteristics.
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公开(公告)号：US20150151338A1
公开(公告)日：2015-06-04
申请号：US14556613
申请日：2014-12-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seung Yeon LEE , Jun Ho LEE , Kyungsang CHO , Young Suk JUNG
CPC classification number: B08B3/08 , B05D1/02 , B08B3/10 , B22F1/0018 , B22F1/0085 , B22F1/0088 , B82Y20/00 , C01B19/002 , C01B19/007 , C01P2002/82 , C01P2002/89 , C01P2004/04 , C01P2004/64 , C01P2006/40 , C09K11/025 , C09K11/565 , C09K11/883 , H01L33/06 , Y10S977/774 , Y10S977/95 , Y10T428/256
Abstract: A method for removing an organic ligand from a surface of a particle including: obtaining a particle having an organic ligand disposed on a surface thereof; contacting the particle with an alkylammonium salt represented by Chemical Formula 1: NR′4+A− Chemical Formula 1 wherein groups R′ are the same or different and are each independently hydrogen or a C1 to C20 alkyl group, provided that at least one group R′ is an alkyl group, and A is a hydroxide anion, a halide anion, a borohydride anion, a nitrate anion, a phosphate anion, or a sulfate anion; and heat-treating the particle to carry out a reaction between the alkylammonium salt and the organic ligand.
Abstract translation: 一种从颗粒表面除去有机配体的方法，包括：获得在其表面上具有有机配体的颗粒; 使颗粒与由化学式1表示的烷基铵盐接触：NR'4 + A-化学式1其中基团R'相同或不同，并且各自独立地为氢或C1至C20烷基，条件是至少一个基团 R'是烷基，A是氢氧根阴离子，卤素阴离子，硼氢化物阴离子，硝酸根阴离子，磷酸根阴离子或硫酸根阴离子; 并对该颗粒进行热处理以进行烷基铵盐和有机配体之间的反应。
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