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公开(公告)号：US11912920B2
公开(公告)日：2024-02-27
申请号：US17092368
申请日：2020-11-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Taekhoon Kim , Nayoun Won , Tae Gon Kim , Mi Hye Lim , Shin Ae Jun , Shang Hyeun Park
CPC classification number: C09K11/883 , C09K11/02 , H10K50/115 , B82Y15/00 , B82Y40/00 , C01B25/087
Abstract: A quantum dot-polymer composite including a polymer matrix; and core-shell quantum dots dispersed in the polymer matrix, wherein the core-shell quantum dots include a semiconductor nanocrystal core including indium, zinc, and phosphorus and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur. The core-shell quantum dots do not include cadmium, the core-shell quantum dots are configured to emit green light, the core-shell quantum dots have a mole ratio of phosphorus to indium of greater than or equal to about 0.75, and the core-shell quantum dots have a mole ratio of zinc to indium of greater than or equal to about 35, and a method of producing the core-shell quantum dots, and a display device including a light emitting element that includes the quantum dot-polymer composite.
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公开(公告)号：US11808960B2
公开(公告)日：2023-11-07
申请号：US17546257
申请日：2021-12-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tae Gon Kim , Shang Hyeun Park , Shin Ae Jun
IPC: G02B5/20 , G02F1/017 , C01G15/00 , C01G9/08 , C09K11/70 , C09K11/88 , B82Y20/00 , B82Y30/00 , B82Y40/00
CPC classification number: G02B5/207 , C01G9/08 , C01G15/006 , C09K11/70 , C09K11/883 , G02F1/01791 , B82Y20/00 , B82Y30/00 , B82Y40/00 , C01P2004/64 , C01P2004/80 , C01P2006/60 , G02B2207/101
Abstract: A color filter including a first pixel (or color conversion region) that is configured to emit a first light and a display device including the color filter. The first pixel includes a (first) quantum dot composite (or a color conversion layer including the quantum dot composite), wherein the quantum dot composite may include a matrix and a plurality of quantum dots dispersed (e.g., randomly) in the matrix, wherein the plurality of the quantum dots exhibit a multi-modal distribution (e.g., a bimodal distribution) including a first peak particle size and a second peak particle size in a size analysis, wherein the second peak particle size is greater than the first peak particle size, and a difference between the first peak particle size and the second peak particle size is less than or equal to about 5 nanometers (nm) (e.g., less than or equal to about 4.5 nm).
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公开(公告)号：US11505740B2
公开(公告)日：2022-11-22
申请号：US17490552
申请日：2021-09-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： 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: H01L51/50 , C09K11/08 , C08L57/10 , G02F1/13357 , H01L27/32 , C09K11/02 , C09K11/56 , C09K11/70 , C09K11/88 , H05B33/14 , B82Y40/00 , B82Y20/00 , G02F1/1335
Abstract: 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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公开(公告)号：US11126080B2
公开(公告)日：2021-09-21
申请号：US16268992
申请日：2019-02-06
Applicant: SAMSUNG ELECTRONICS CO., LTD. , Samsung SDI Co., Ltd.
Inventor： Jonggi Kim , Shang Hyeun Park , Shin Ae Jun , Hojeong Paek
IPC: G02B5/20 , G03F7/20 , G03F7/32 , G03F7/16 , G03F7/033 , G03F7/00 , G03F7/004 , G03F7/027 , G03F7/028
Abstract: A photosensitive composition includes a plurality of quantum dots including an organic ligand on the surface thereof; a binder; a photopolymerizable monomer composition; photoinitiator; and a solvent, wherein the photopolymerizable monomer includes a main monomer having 1 to 6 carbon-carbon double bonds, a first accessory monomer having 8 to 20 carbon-carbon double bonds, and a second accessory monomer represented by Chemical Formula A; and a method of preparing the photosensitive composition and a quantum dot-polymer composite pattern prepared therefrom are provided: R1O-(L1)m-L3-A-L4-(L2)n-OR2 Chemical Formula A wherein, A, L1, L2, L3, L4, R1, and R2 are the same as defined herein.
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公开(公告)号：US11060019B2
公开(公告)日：2021-07-13
申请号：US16158483
申请日：2018-10-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yongwook Kim , Eun Joo Jang , Tae Gon Kim , Shang Hyeun Park , Hyo Sook Jang , Young-soo Jeong
IPC: C09K11/65 , C09K11/02 , B82Y20/00 , B82Y30/00 , B82Y40/00 , C09K11/88 , C09K11/08 , G02F1/1335 , G02F1/13357 , H01L27/32
Abstract: A composition comprising: a plurality of quantum dots; a plurality of luminous carbon nanoparticles; a carboxylic acid group-containing binder; a polymerizable monomer including a carbon-carbon double bond; and an initiator, wherein the plurality of quantum dots comprises a Group II-VI compound, a Group III-V compound, a Group IV-VI compound, or a combination thereof, the plurality of luminous carbon nanoparticles have a size of less than or equal to about 10 nanometers, and exhibit both a D band and a G band in a Raman spectrum thereof, and at least a portion of the plurality of luminous carbon nanoparticles absorb light having a wavelength of greater than or equal to about 400 nanometers and a maximum luminous peak wavelength thereof is greater than or equal to about 480 nanometers.
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Patent Agency Ranking
公开(公告)号：US10990006B2
公开(公告)日：2021-04-27
申请号：US15375601
申请日：2016-12-12
Applicant: SAMSUNG ELECTRONICS CO., LTD. , SAMSUNG SDI CO., LTD.
Inventor： Shang Hyeun Park , Hojeong Paek , Jonggi Kim , Nayoun Won , Shin Ae Jun
Abstract: A photosensitive composition including: a plurality of quantum dots, wherein the quantum dot includes an organic ligand bound to a surface of the quantum dot; a photoinitiator; a binder including a carboxylic acid group; a photopolymerizable monomer having a carbon-carbon double bond; and a solvent, wherein the photoinitiator includes a first photoinitiator including an oxime compound and a second photoinitiator including at least one selected from a phosphine oxide compound and an amino ketone compound.
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公开(公告)号：US10983432B2
公开(公告)日：2021-04-20
申请号：US15241208
申请日：2016-08-19
Applicant: SAMSUNG ELECTRONICS CO., LTD. , Samsung SDI Co., Ltd.
Inventor： Shin Ae Jun , Shang Hyeun Park , Hojeong Paek , Jonggi Kim , Hyeyeon Yang , Eun Joo Jang , Yong Seok Han
Abstract: A photosensitive composition including a quantum dot dispersion, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes an acid group-containing polymer and a plurality of quantum dots dispersed in the acid group-containing polymer, and wherein the acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group or a phosphonic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic group and not having a carboxylic acid group and a phosphonic acid group.
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公开(公告)号：US10808174B2
公开(公告)日：2020-10-20
申请号：US15855436
申请日：2017-12-27
Inventor： Young Seok Park , Shang Hyeun Park , Eun Joo Jang , Hyo Sook Jang , Shin Ae Jun , Dae Young Chung , Taekhoon Kim , Yuho Won
Abstract: A process for preparing a quantum dot of a core-shell structure including obtaining a first mixture including first precursor including a first metal, a ligand compound, and a solvent; adding a second precursor and a particle including a first semiconductor nanocrystal to the first mixture to obtain a second mixture; and heating the second mixture up to a reaction temperature and performing a reaction between the first precursor and the second precursor to form a layer of a shell including a crystalline or amorphous material, during formation of the layer of the shell or after formation of the layer of the shell, wherein the process includes adding an organic solution including an ammonium fluorinated salt including a solid salt having a melting point of greater than or equal to about 110° C. to the second mixture.
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公开(公告)号：US12136687B2
公开(公告)日：2024-11-05
申请号：US17586956
申请日：2022-01-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Garam Park , Shang Hyeun Park , Min Jong Bae , Mi Hye Lim , Deukseok Chung , Shin Ae Jun
Abstract: 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：US11845888B2
公开(公告)日：2023-12-19
申请号：US17989035
申请日：2022-11-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： 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: C09K11/08 , C08L57/10 , G02F1/13357 , C09K11/02 , C09K11/56 , C09K11/70 , C09K11/88 , H05B33/14 , H10K50/115 , H10K59/38 , B82Y40/00 , B82Y20/00 , G02F1/1335
CPC classification number: C09K11/0883 , C08L57/10 , C09K11/025 , C09K11/565 , C09K11/70 , C09K11/883 , G02F1/133617 , H05B33/14 , H10K50/115 , H10K59/38 , B82Y20/00 , B82Y40/00 , C08L2203/20 , G02F1/133614 , G02F2202/022 , G02F2202/102 , G02F2202/36
Abstract: 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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