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公开(公告)号：US20240172464A1
公开(公告)日：2024-05-23
申请号：US18404975
申请日：2024-01-05
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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公开(公告)号：US20230043195A1
公开(公告)日：2023-02-09
申请号：US17871127
申请日：2022-07-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tae Gon KIM , Shang Hyeun PARK , Taekhoon KIM , Garam PARK , Nayoun WON
Abstract: A quantum dot, a quantum dot composite including the quantum dot, a display panel including the quantum dot composite, and an electronic device including the display panel are provided. The quantum dot includes indium, zinc, phosphorus, and selenium, and does not include cadmium, and has an optical density (OD) per 1 mg for a wavelength of 450 nm of from about 0.2 to about 0.27 and an emission peak of from about 500 nm to about 550 nm, or an optical density per 1 mg for a wavelength of about 450 nm of from about 0.5 to about 0.7 and an emission peak of from about 610 nm to about 660 nm.
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公开(公告)号：US20220017818A1
公开(公告)日：2022-01-20
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: C09K11/08 , C08L57/10 , G02F1/13357 , H01L51/50 , H01L27/32 , C09K11/02 , C09K11/56 , C09K11/70 , C09K11/88 , H05B33/14
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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4.发明申请公开(公告)号：US20180179441A1
公开(公告)日：2018-06-28
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
CPC classification number: C09K11/883 , B82Y30/00 , B82Y40/00 , C09K11/025 , G02B5/22 , G02B5/223 , H01L27/322 , H01L51/0035 , H01L51/0037 , H01L51/0039 , H01L51/502 , Y10S977/774 , Y10S977/818 , Y10S977/824 , Y10S977/892 , Y10S977/896 , Y10S977/95
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：US20170183565A1
公开(公告)日：2017-06-29
申请号：US15387107
申请日：2016-12-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Shin Ae JUN , Taekhoon KIM , Garam PARK , Yong Seok HAN , Eun Joo JANG , Hyo Sook JANG , Tae Won JEONG , Shang Hyeun PARK
Abstract: A quantum dot-polymer composite including a polymer matrix; and a plurality of quantum dots dispersed in the polymer matrix, wherein the quantum dot includes a core including a first semiconductor material; and a shell including a second semiconductor material disposed on the core, wherein the quantum dot is cadmium-free, 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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Patent Agency Ranking
6.发明申请公开(公告)号：US20170176854A1
公开(公告)日：2017-06-22
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
CPC classification number: G03F7/0043 , G03F7/0047 , G03F7/029 , G03F7/031 , G03F7/033
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：US20170158954A1
公开(公告)日：2017-06-08
申请号：US15333417
申请日：2016-10-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeyeon YANG , Shang Hyeun PARK , Shin Ae JUN , Eun Joo JANG
CPC classification number: C09K11/025 , B82Y99/00 , C09K11/70 , G03F7/0007 , G03F7/0042 , G03F7/033 , G03F7/105
Abstract: A photosensitive composition including a quantum dot complex having a polymeric outer layer, a carboxylic acid group-containing binder, a photopolymerizable monomer having a carbon-carbon double bond, a photoinitiator, and a solvent, wherein the polymeric outer layer includes a copolymer including: a first repeating unit having a moiety capable of interacting with a surface of the quantum dot, an organic ligand compound bonded to the surface of the quantum dot, or a combination thereof, and a second repeating unit having a reactive moiety.
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8.发明申请PHOTOSENSITIVE COMPOSITIONS, PREPARATION METHODS THEREOF, AND QUANTUM DOT POLYMER COMPOSITE PREPARED THEREFROM 审中-公开光敏组合物，其制备方法及其制备的量子聚合物复合材料公开(公告)号：US20170052444A1
公开(公告)日：2017-02-23
申请号：US15241224
申请日：2016-08-19
Applicant: SAMSUNG ELECTRONICS CO., LTD. , SAMSUNG SDI CO., LTD.
Inventor： Shang Hyeun PARK , Hojeong PAEK , Eun Joo JANG , Shin Ae JUN
CPC classification number: G03F7/0007 , B82Y30/00 , B82Y40/00 , C08F220/14 , C09D4/06 , C09K11/02 , C09K11/703 , G02B5/207 , G02B5/223 , G03F7/004 , G03F7/0042 , G03F7/0047 , G03F7/033 , C08F265/06 , C08F220/06
Abstract: A photosensitive composition including a quantum dot dispersion, a reactive compound having at least two thiol groups, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes a carboxylic acid group-containing polymer and a quantum dot dispersed in the carboxylic acid group containing polymer, and wherein the carboxylic acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic moiety and not having a carboxylic acid group.
Abstract translation: 包含量子点分散体，具有至少两个硫醇基的反应性化合物，具有碳 - 碳双键的光聚合单体和光引发剂的感光组合物，其中量子点分散体包含含羧酸基团的聚合物和量子 点分散在含羧酸基的聚合物中，其中含羧酸基的聚合物包括包含具有羧酸基的第一单体和碳 - 碳双键的单体组合的共聚物和具有碳 - 碳双键的第二单体， 碳双键和疏水部分，不具有羧酸基团。
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公开(公告)号：US20230303921A1
公开(公告)日：2023-09-28
申请号：US18189259
申请日：2023-03-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tae-Gon KIM , Shang Hyeun PARK , Nayoun WON , Minho KIM , Seungrim YANG , Shin Ae JUN , Yebin JUNG , A Ra JO
CPC classification number: C09K11/621 , C09K11/02 , C09K11/883 , C09K11/0883 , H10K59/38 , G02F1/133617 , B82Y20/00
Abstract: A display panel and an electronic device including the display panel are provided, where the display panel includes a quantum dot composite including a matrix and a plurality of quantum dots and titanium dioxide (TiO2) particles dispersed in the matrix, the plurality of quantum dots include silver and gallium, exhibit an emission peak wavelength of from about 500 nm to about 550 nm, and a full width at half maximum of the emission peak is greater than or equal to about 10 nm and less than or equal to about 50 nm, and where the quantum dot composite has a mole ratio of silver to titanium of greater than or equal to about 0.4:1 and less than or equal to about 15:1, and a mole ratio of gallium to titanium of greater than or equal to about 0.4:1 and less than or equal to about 20:1.
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公开(公告)号：US20230078393A1
公开(公告)日：2023-03-16
申请号：US17839771
申请日：2022-06-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Deukseok CHUNG , Shin Ae JUN , Tae Gon KIM , Shang Hyeun PARK , Min Jong BAE , A Ra JO
Abstract: A display panel, a method of manufacturing the same, and an electronic device including the display panel. The display panel includes a light emitting device array including a plurality of light emitting devices, a color conversion layer disposed on the light emitting device array and converting the emission spectrum of light emitted from the light emitting device array, and an encapsulation film on the color conversion layer, wherein the color conversion layer includes a quantum dot-polymer pattern including a quantum dot-polymer composite, an average roughness (Ra) of an upper surface of the quantum dot-polymer pattern is less than or equal to about 3% of a thickness of the encapsulation film.
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