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公开(公告)号：US20220246804A1
公开(公告)日：2022-08-04
申请号：US17586956
申请日：2022-01-28
发明人： Garam PARK , Shang Hyeun PARK , Min Jong BAE , Mi Hye LIM , Deukseok CHUNG , Shin Ae JUN
摘要： A quantum dot composite includes a matrix and a plurality of quantum dots dispersed in the matrix, and a color conversion panel and a display panel including the same. The plurality of quantum dots include a metal including indium (In) and zinc and a non-metal including phosphorous (P), selenium, and sulfur, wherein the plurality of quantum dots includes a mole ratio of sulfur to indium of greater than or equal to about 3:1 and less than or equal to about 6:1, and a mole ratio of sulfur to selenium of greater than or equal about 0.69:1 and less than or equal to about 0.89, and a mole ratio of zinc to indium of greater than or equal to about 10:1 and less than or equal to about 12.4:1, and wherein the plurality of the quantum dots are configured to emit red light.
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公开(公告)号：US20210395605A1
公开(公告)日：2021-12-23
申请号：US17462428
申请日：2021-08-31
发明人： Jihyun MIN , Eun Joo JANG , Yongwook KIM , Garam PARK
摘要： A quantum dot having a perovskite crystal structure and including a compound represented by Chemical Formula 1: ABX3+α Chemical Formula 1 wherein, A is a Group IA metal selected from Rb, Cs, Fr, and a combination thereof, B is a Group IVA metal selected from Si, Ge, Sn, Pb, and a combination thereof, X is a halogen selected from F, Cl, Br, and I, BF4, or a combination thereof, and α is greater than 0 and less than or equal to about 3; and wherein the quantum dot has a size of about 1 nanometer to about 50 nanometers
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公开(公告)号：US20200283680A1
公开(公告)日：2020-09-10
申请号：US16883989
申请日：2020-05-26
发明人： Shin Ae JUN , Taekhoon KIM , Garam PARK , Yong Seok HAN , Eun Joo JANG , Hyo Sook JANG , Tae Won JEONG , Shang Hyeun PARK
IPC分类号： C09K11/02 , C09K11/88 , C09K11/70 , C08K3/32 , C08K3/30 , G02F1/1335 , G02F1/13357
摘要： A quantum dot, including a core including a first semiconductor material that includes indium; and a shell including a second semiconductor material, and disposed on the core, wherein the first semiconductor material and the second semiconductor material are different, wherein the shell has at least two branch portions and a valley portion connecting the at least two branch portions, at least one of the at least two branch portions comprises Zn, Se, and S, and a content of sulfur in the at least one branch portion increases in a direction away from the core.
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公开(公告)号：US20200217974A1
公开(公告)日：2020-07-09
申请号：US16825293
申请日：2020-03-20
发明人： Garam PARK , Tae Gon KIM , Nayoun WON , Shin Ae JUN , Soo Kyung KWON , Seon-Yeong KIM , Shang Hyeun PARK , Jooyeon AHN , Yuho WON , Eun Joo JANG , Hyo Sook JANG
摘要： Disclosed are a quantum dot population including a plurality of cadmium free quantum dots, a quantum dot polymer composite including the same, and a display device including the same. The plurality of cadmium free quantum dots includes: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, wherein an average particle size of the plurality of cadmium free quantum dots is greater than or equal to about 5.5 nm, a standard deviation of particle sizes of the plurality of cadmium free quantum dots is less than or equal to about 20% of the average particle size, and an average solidity of the plurality of cadmium free quantum dots is greater than or equal to about 0.85.
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公开(公告)号：US20190211265A1
公开(公告)日：2019-07-11
申请号：US16245594
申请日：2019-01-11
发明人： Garam PARK , Tae Gon KIM , Nayoun WON , Shin Ae JUN , Soo Kyung KWON , Seon-Yeong KIM , Shang Hyeun PARK , Jooyeon AHN , Yuho WON , Eun Joo JANG , Hyo Sook JANG
IPC分类号： C09K11/88 , C09K11/02 , H01L27/32 , F21V8/00 , G02F1/1335
CPC分类号： C09K11/883 , B82Y20/00 , B82Y40/00 , C09K11/025 , C09K11/565 , C09K11/70 , G02B6/005 , G02F1/133514 , G02F1/133617 , G02F2001/133614 , G02F2202/36 , H01L27/322 , H05B33/14
摘要： Disclosed are a quantum dot population including a plurality of cadmium free quantum dots, a quantum dot polymer composite including the same, and a display device including the same. The plurality of cadmium free quantum dots includes: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, wherein an average particle size of the plurality of cadmium free quantum dots is greater than or equal to about 5.5 nm, a standard deviation of particle sizes of the plurality of cadmium free quantum dots is less than or equal to about 20% of the average particle size, and an average solidity of the plurality of cadmium free quantum dots is greater than or equal to about 0.85.
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公开(公告)号：US20170088775A1
公开(公告)日：2017-03-30
申请号：US15251643
申请日：2016-08-30
发明人： Garam PARK , Eun Joo JANG , Yongwook KIM , Jihyun MIN , Hyo Sook JANG , Shin Ae JUN , Taekhoon KIM , Yuho WON
CPC分类号： C09K11/883 , B82Y20/00 , C09K11/02 , C09K11/70 , Y10S977/774 , Y10S977/95
摘要： A semiconductor nanocrystal particle including: a core including a first semiconductor material; and a shell disposed on the core, wherein the shell includes a second semiconductor material, wherein the shell is free of cadmium, wherein the shell has at least two branches and at least one valley portion connecting the at least two branches, and wherein the first semiconductor material is different from the second semiconductor material.
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7.发明申请公开(公告)号：US20210284905A1
公开(公告)日：2021-09-16
申请号：US17308333
申请日：2021-05-05
发明人： Ha Il KWON , Tae Gon KIM , Shang Hyeun PARK , Eun Joo JANG , Shin Ae JUN , Garam PARK
摘要： A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.
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公开(公告)号：US20200220043A1
公开(公告)日：2020-07-09
申请号：US16786004
申请日：2020-02-10
发明人： Garam PARK , Tae Hyung KIM , Eun Joo JANG , Hyo Sook JANG , Shin Ae JUN , Yongwook KIM , Taekhoon KIM , Jihyun MIN , Yuho WON
IPC分类号： H01L33/04 , H01L33/34 , H01L33/32 , H01L33/30 , H01L33/28 , H01L33/24 , C09K11/88 , C09K11/70 , C09K11/61 , C09K11/02
摘要： A quantum dot includes a core-shell structure including a core including a first semiconductor nanocrystal and a shell disposed on the core, and including a material at least two different halogens, and the quantum dot does not include cadmium.
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公开(公告)号：US20200174288A1
公开(公告)日：2020-06-04
申请号：US16697650
申请日：2019-11-27
发明人： Tae Gon KIM , Garam PARK , Jooyeon AHN , Shang Hyeun PARK , Shin Ae JUN
IPC分类号： G02F1/017 , H01L51/50 , H01L33/06 , H01L33/28 , H01L33/30 , H01L33/34 , C09K11/88 , B82Y20/00
摘要： A quantum dot including a core and a shell disposed on the core wherein one of the core and the shell includes a first semiconductor nanocrystal including zinc and sulfur and the other of the core and the shell includes a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, the first semiconductor nanocrystal further includes a metal and a halogen configured to act as a Lewis acid in a halide form, an amount of the metal is greater than or equal to about 10 mole percent (mol %) based on a total number of moles of sulfur, and an amount of the halogen is greater than or equal to about 10 mol % based on a total number of moles of sulfur, a method of producing the same, and a composite and an electronic device including the same.
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公开(公告)号：US20190211260A1
公开(公告)日：2019-07-11
申请号：US16245544
申请日：2019-01-11
发明人： Yuho WON , Nayoun WON , Sungwoo HWANG , Eun Joo JANG , Soo Kyung KWON , Yong Wook KIM , Jihyun MIN , Garam PARK , Shang Hyeun PARK , Hyo Sook JANG , Shin Ae JUN , Yong Seok HAN
IPC分类号： C09K11/08 , C08L57/10 , G02F1/1335 , H01L51/50 , H01L27/32
CPC分类号： C09K11/0883 , B82Y20/00 , B82Y40/00 , C08L57/10 , C08L2203/20 , C09K11/025 , C09K11/565 , C09K11/70 , C09K11/883 , G02F1/133617 , G02F2001/133614 , G02F2202/022 , G02F2202/102 , G02F2202/36 , H01L27/322 , H01L51/502 , H05B33/14
摘要： A cadmium free quantum dot not including cadmium and including: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, a composition and composite including the same, and an electronic device.
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