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公开(公告)号：US11870018B2
公开(公告)日：2024-01-09
申请号：US17523162
申请日：2021-11-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Shang Hyeun Park , Deukseok Chung , Tae Gon Kim , Min Jong Bae , Shin Ae Jun
CPC classification number: H01L33/505 , H01L25/167 , H01L33/504 , H01L2933/0041 , H01L2933/0091
Abstract: A display panel including a wavelength conversion structure that includes a base structure including partition walls that define a first space and a second space, a first quantum dot composite disposed in the first space, and a second quantum dot composite disposed in the second space. The height of the partition wall is greater than or equal to about 5 micrometers and less than or equal to about 50 micrometers, and the first quantum dot composite provides a first top surface and the second quantum dot composite provides a second top surface. A production method for making the wavelength conversion structure uses a first ink composition that includes first quantum dots and a first matrix, and a second ink composition that includes second quantum dots and a second matrix.
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公开(公告)号：US11753588B2
公开(公告)日：2023-09-12
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：US11700751B2
公开(公告)日：2023-07-11
申请号：US17372976
申请日：2021-07-12
Inventor： Deukseok Chung , Sung Hun Lee , Tae Gon Kim , Shin Ae Jun
IPC: H10K59/122 , H10K50/115 , H10K50/854 , H10K59/38
CPC classification number: H10K59/122 , H10K50/115 , H10K50/854 , H10K59/38
Abstract: A display device includes a first electrode, a pixel define layer disposed on the first electrode, the pixel define layer including an opening, an organic emission layer disposed on the pixel define layer, the organic emission layer in electrical communication with the first electrode through the opening, a second electrode disposed on the organic emission layer, a light recycle layer disposed on the second electrode, and a color filter layer disposed on the light recycle layer, the color filter layer including a quantum dot, wherein a width of the organic emission layer is longer than a width of the color filter layer.
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24.发明授权公开(公告)号：US11485904B2
公开(公告)日：2022-11-01
申请号：US15900496
申请日：2018-02-20
Inventor： Deukseok Chung , Tae Won Jeong , Tae Gon Kim , Shin Ae Jun
IPC: C09K11/02 , C08F220/06 , C08G77/04 , C08K3/32 , C08K3/30 , C08K9/10 , G03F7/16 , G03F7/20 , G03F7/32 , G03F7/40 , G03F7/004 , G03F7/033 , G02F1/13357 , G02F1/1335 , C09K11/70 , G03F7/00 , C09D4/00 , C09D133/02 , C08F22/10 , B82Y40/00 , B82Y20/00 , C08K5/00 , C08G77/20
Abstract: A layered structure including a luminescent layer including a quantum dot polymer composite pattern; an inorganic layer disposed on the luminescent layer, the inorganic layer including a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof; and an organic layer being disposed between the luminescent layer and the inorganic layer, the organic layer including an organic polymer, a method of producing the same, and a liquid crystal display including the same. The quantum dot polymer composite pattern includes a repeating section including a polymer matrix; and a plurality of quantum dots (e.g., dispersed) in the polymer matrix, the repeating unit including a first section configured to emit light of a first light, and wherein the inorganic layer is disposed on at least a portion of a surface of the repeating section.
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公开(公告)号：US11180695B2
公开(公告)日：2021-11-23
申请号：US16914601
申请日：2020-06-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tae Gon Kim , Seonmyeong Choi , Shin Ae Jun , Hyeyeon Yang
Abstract: A quantum dot and a quantum dot-polymer composite and a device including the same, wherein the quantum dot includes a semiconductor nanocrystal core including indium (In), gallium (Ga), and phosphorous (P), a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc and sulfur, wherein the quantum dot does not include cadmium, wherein the quantum dot emits green light, wherein in the quantum dot, a mole ratio of gallium with respect to a sum of indium and gallium is less than or equal to about 0.5:1, and wherein in the quantum dot, a mole ratio of sulfur with respect to selenium is less than or equal to about 2.5:1.
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Patent Agency Ranking
26.发明授权公开(公告)号：US11021650B2
公开(公告)日：2021-06-01
申请号：US15672608
申请日：2017-08-09
Inventor： Ha Il Kwon , Tae Gon Kim , Shang Hyeun Park , Eun Joo Jang , Shin Ae Jun , Garam Park
IPC: C09K11/02 , C09K11/56 , C08K3/30 , C08K9/04 , C08K3/16 , G02F1/13357 , G02F1/1335
Abstract: 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：US10663860B2
公开(公告)日：2020-05-26
申请号：US15900554
申请日：2018-02-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Ha Il Kwon , Tae Gon Kim , Jongmin Lee , Shin Ae Jun
IPC: G03F7/027 , G02B5/20 , G02F1/1335 , G03F7/004 , G03F7/16 , G03F7/20 , G03F7/32 , G03F7/40 , G03F7/075 , C09K11/02 , C09K11/70 , C09K11/56 , G03F7/031 , G02F1/13357 , G03F7/00 , G03F7/033
Abstract: A photosensitive composition including a quantum dot; a carboxylic acid group-containing binder; a multi-thiol compound including at least two thiol groups at its terminal ends; a photopolymerizable monomer including a carbon-carbon double bond; a metal oxide fine particle including an organic compound represented by Chemical Formula 1 or a moiety derived from the organic compound at a surface of the metal oxide fine particle; a polymeric stabilizer; a photoinitiator; and a solvent, a production method thereof, a quantum dot polymer composite prepared therefrom, and a layered structure and an electronic device including the same are disclosed: (AnSiR)4-n Chemical Formula 1 wherein n, A, and R are the same as defined in the specification.
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公开(公告)号：US09701898B2
公开(公告)日：2017-07-11
申请号：US14453723
申请日：2014-08-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jeong Hee Lee , Hyun A Kang , Eun Joo Jang , Sang Eui Lee , Shin Ae Jun , Oul Cho , Tae Gon Kim , Tae Hyung Kim
CPC classification number: C09K11/025 , B24B1/00 , C09K11/70
Abstract: A method of grinding a semiconductor nanocrystal-polymer composite, the method including obtaining a semiconductor nanocrystal-polymer composite including a semiconductor nanocrystal and a first polymer, contacting the semiconductor nanocrystal-polymer composite with an inert organic solvent; and grinding the semiconductor nanocrystal-polymer composite in the presence of the inert organic solvent to grind the semiconductor nanocrystal-polymer composite.
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公开(公告)号：US12146090B2
公开(公告)日：2024-11-19
申请号：US18223709
申请日：2023-07-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Taekhoon Kim , Nayoun Won , Tae Gon Kim , Mi Hye Lim , Shin Ae Jun , Shang Hyeun Park
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：US11903228B2
公开(公告)日：2024-02-13
申请号：US18194794
申请日：2023-04-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Nayoun Won , Mi Hye Lim , Tae Gon Kim , Taekhoon Kim , Shang Hyeun Park , Shin Ae Jun
IPC: H10K50/115 , C09K11/02 , C09K11/56 , C09K11/70 , C09K11/88
CPC classification number: H10K50/115 , C09K11/02 , C09K11/565 , C09K11/703 , C09K11/883
Abstract: A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.
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