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公开(公告)号：US20230121293A1
公开(公告)日：2023-04-20
申请号：US18074570
申请日：2022-12-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeyeon YANG , Garam PARK , Shin Ae JUN , Tae Gon KIM , Taekhoon KIM
Abstract: A quantum dot including a multi-component core including a first semiconductor nanocrystal including indium (In), zinc (Zn), and phosphorus (P) and a second semiconductor nanocrystal disposed on the first semiconductor nanocrystal, the second semiconductor nanocrystal including gallium (Ga) and phosphorus (P) wherein the quantum dot is cadmium-free and emits green light, a mole ratio (P:In) of phosphorus relative to indium is greater than or equal to about 0.6:1 and less than or equal to about 1.0, and a mole ratio (P:(In+Ga)) of phosphorus relative to indium and gallium is greater than or equal to about 0.5:1 and less than or equal to about 0.8:1, a quantum dot-polymer composite pattern including the same, and a display device.
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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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3.发明申请公开(公告)号：US20210324268A1
公开(公告)日：2021-10-21
申请号：US17234845
申请日：2021-04-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeyeon YANG , Jooyeon AHN , Taekhoon KIM , Shang Hyeun PARK , Nayoun WON , Mi Hye LIM , Shin Ae JUN
Abstract: A cadmium-free quantum dot, a quantum dot-polymer composite including the cadmium-free quantum dot, a display device including the quantum dot-polymer composite, and an electroluminescent device including the cadmium-free quantum dot are disclosed, wherein the cadmium-free quantum dot includes a core including a first semiconductor nanocrystal including indium and phosphorus; a light emitting layer surrounding the core and including a second semiconductor nanocrystal including indium and phosphorus; a first shell disposed between the core and the light emitting layer and including a semiconductor nanocrystal including zinc, and selenium, sulfur, or a combination thereof; and a second shell disposed on the light emitting layer and including a semiconductor nanocrystal including zinc, and selenium, sulfur, or a combination thereof, and wherein the quantum is a single light emitting quantum dot having an emission peak wavelength in a range of about 500 nanometers (nm) to about 550 nm.
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4.发明申请公开(公告)号：US20170115561A1
公开(公告)日：2017-04-27
申请号：US15295332
申请日：2016-10-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeyeon YANG , Tae Hyung KIM , Shang Hyeun PARK , Shin Ae JUN , Yong Seok HAN , Eun Joo JANG , Deukseok CHUNG
CPC classification number: G03F7/0007 , G03F7/0045 , G03F7/0047 , G03F7/027 , G03F7/028 , G03F7/031 , G03F7/033 , G03F7/105 , G03F7/162 , G03F7/168 , G03F7/2002 , G03F7/322 , G03F7/40
Abstract: A photosensitive composition and a quantum dot-polymer composite pattern formed from the photosensitive composition are disclosed, and the photosensitive composition includes: a plurality of quantum dots; a color filter material including an absorption dye, an absorption pigment, or a combination thereof; a polymer binder; a photopolymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent, wherein in a normalized photoluminescence spectrum of the quantum dot and a normalized ultraviolet-visible absorption spectrum of the color filter material, a photoluminescence peak wavelength (PL peak wavelength) of the quantum dot and a wavelength of maximum absorbance of the color filter material do not overlap with each other, and the color filter material is included in an amount of less than or equal to 1 part by weight per 10 parts by weight of the plurality of quantum dots.
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5.发明申请公开(公告)号：US20180239245A1
公开(公告)日：2018-08-23
申请号：US15900519
申请日：2018-02-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeyeon YANG , Eun Joo JANG , Hyo Cook JANG , Shin Ae JUN
IPC: G03F7/004 , C09K11/02 , C09K11/70 , C09K11/77 , C08F220/06 , C08K3/30 , C08K3/32 , C08K9/10 , G03F7/00 , G03F7/16 , G03F7/20 , G03F7/32 , G03F7/40 , G03F7/031
Abstract: A photosensitive composition, a quantum dot polymer composite pattern prepared therefrom, and a layered structure and an electronic device including the same. The photosensitive composition includes plurality of quantum dots; a luminescent material other than a quantum dot; a carboxylic acid group containing binder; a photopolymerizable monomer having a carbon-carbon double bond; and a photoinitiator, and the luminescent material comprises a fluorophore, a nanosized inorganic phosphor, or a combination thereof.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20220283345A1
公开(公告)日：2022-09-08
申请号：US17687448
申请日：2022-03-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Taekhoon KIM , Tae Gon KIM , Hyeyeon YANG , Jongmin LEE , Shin Ae JUN , Deuk Kyu MOON , A Ra JO , Jooyeon AHN , Nayoun WON , Mi Hye LIM
Abstract: A color conversion panel includes a color conversion layer including a color conversion region, and optionally, a partition wall defining the region of the color conversion layer. The color conversion region includes a first region corresponding to a green pixel, and the first region includes a first composite that is configured to emit a green light and includes a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide, the Group III-V compound includes indium, phosphorus, and optionally zinc, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures do not include cadmium. and at least a portion of surfaces of the luminescent nanostructures includes the second semiconductor nanocrystal. The emitted green light has a full width at half maximum of a maximum luminescent peak of less than or equal to about 42 nm.
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公开(公告)号：US20210095200A1
公开(公告)日：2021-04-01
申请号：US17120531
申请日：2020-12-14
Inventor： Jinsuop YOUN , Ha Il KWON , Misun KIM , Jooyeon AHN , Hyeyeon YANG , Bumjin LEE , Jongmin LEE , Shin Ae JUN , Hyunjoo HAN
IPC: C09K11/70 , C09K11/02 , F21V8/00 , G02F1/1335
Abstract: A photosensitive resin composition includes (A) a photo-conversion material; (B) a metal-containing compound; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, wherein the metal-containing compound includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or TI) structure, a complex including a polymer matrix in which a photo-conversion material is dispersed, wherein the polymer matrix includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or TI) structure and an ester linking group, a laminated structure including the complex, and a display device and an electronic device including the laminated structure.
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8.发明申请公开(公告)号：US20190136126A1
公开(公告)日：2019-05-09
申请号：US16180376
申请日：2018-11-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeyeon YANG , Jongmin LEE , Shin Ae JUN
Abstract: A quantum dot composition comprising a quantum dot, a metal thiolate complex compound, and a solvent, wherein the metal thiolate complex compound includes a hydrophobic moiety, a thioether moiety (—S—), and a polyvalent metal, and wherein the hydrophobic moiety includes a fluorinated organic group, a multi-aromatic ring-containing group having a backbone structure that includes a quaternary carbon atom, which is a part of a cyclic group, and two aromatic rings bound to the quaternary carbon atom, or a combination thereof.
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9.发明申请公开(公告)号：US20180142149A1
公开(公告)日：2018-05-24
申请号：US15819556
申请日：2017-11-21
Inventor： Jinsuop YOUN , Ha Il KWON , Misun KIM , Jooyeon AHN , Hyeyeon YANG , Bumjin LEE , Jongmin LEE , Shin Ae JUN , Hyunjoo HAN
IPC: C09K11/70 , C09K11/02 , G02F1/1335 , F21V8/00
CPC classification number: C09K11/70 , C09K11/025 , G02B6/0053 , G02B6/0073 , G02F1/133514 , G02F1/133617 , G02F2001/133614
Abstract: A photosensitive resin composition includes (A) a photo-conversion material; (B) a metal-containing compound; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, wherein the metal-containing compound includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure, a complex including a polymer matrix in which a photo-conversion material is dispersed, wherein the polymer matrix includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure and an ester linking group, a laminated structure including the complex, and a display device and an electronic device including the laminated structure.
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公开(公告)号：US20240001326A1
公开(公告)日：2024-01-04
申请号：US17853857
申请日：2022-06-29
Inventor： Taekhoon KIM , Milad Abolhasani , Hyeyeon YANG , Shin Ae JUN , Robert W. EPPS
IPC: B01J19/00
CPC classification number: B01J19/0053 , B82Y30/00
Abstract: An apparatus for accelerated multi-stage synthesis of quantum dots (QDs) includes an injector which injects a material for producing QDs, a first reactor connected to the injector and including at least one selected from a coil reactor and a plate reactor, a second reactor connected to the first reactor and including at least one selected from the coil reactor and the plate reactor, and a first junction connected between the first reactor and the second reactor and provided with an inlet for injecting the material for producing the QDs.
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