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21.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
Inventor： Ha Il KWON , Tae Gon KIM , Shang Hyeun PARK , Eun Joo JANG , Shin Ae JUN , Garam PARK
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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22.发明申请公开(公告)号：US20210095205A1
公开(公告)日：2021-04-01
申请号：US17036068
申请日：2020-09-29
Applicant: Samsung Display Co., Ltd.
Inventor： Jooyeon AHN , Jongmin LEE , Taekhoon KIM , Shin Ae JUN , Tae Gon KIM , Garam PARK
Abstract: A quantum dot including a nanoparticle template including a first semiconductor nanocrystal including a Group II-VI compound, a quantum well including a second semiconductor nanocrystal disposed on the nanoparticle template, the second semiconductor nanocrystal including a Group IIIA metal excluding aluminum and a Group V element; and a shell comprising a third semiconductor nanocrystal disposed on the quantum well, the third semiconductor nanocrystal including a Group II-VI compound, wherein the quantum dot does not include cadmium, a band gap energy of the second semiconductor nanocrystal is less than a band gap energy of the first semiconductor nanocrystal, the band gap energy of the second semiconductor nanocrystal is less than a band gap energy of the third semiconductor nanocrystal, and the quantum dot includes an additional metal including an alkali metal, an alkaline earth metal, aluminum, iron, cobalt, nickel, copper, zinc, or a combination thereof.
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23.发明申请公开(公告)号：US20200165517A1
公开(公告)日：2020-05-28
申请号：US16691889
申请日：2019-11-22
Applicant: Samsung Display Co., Ltd.
Inventor： Jongmin LEE , Young Seok PARK , Taek hoon KIM , Shin Ae JUN , Jin A KIM
IPC: C09K11/88 , C09K11/02 , H01L51/50 , H01L33/06 , H01L31/0352
Abstract: A quantum dot including a seed including a first semiconductor nanocrystal including a first Group II-VI compound, a quantum well surrounding the seed, the quantum well including a second semiconductor nanocrystal including a Group IIIA metal except aluminum and a Group V element, and a shell disposed on the quantum well, the shell including a third semiconductor nanocrystal including a second Group II-VI compound, wherein the quantum dot does not include cadmium, an energy bandgap of the second semiconductor nanocrystal is smaller than an energy bandgap of the first semiconductor nanocrystal and an energy bandgap of the third semiconductor nanocrystal, and an ultraviolet-visible (UV-Vis) absorption spectrum curve of the quantum dot does not have an inflection point within a wavelength range of about 450 nanometers (nm) to about 600 nm, and a quantum dot composite and a device including the same.
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24.发明申请公开(公告)号：US20180186998A1
公开(公告)日：2018-07-05
申请号：US15862197
申请日：2018-01-04
Inventor： Jooyeon AHN , Nayoun WON , Ha Il KWON , Eun Joo JANG , Shin Ae JUN
Abstract: A composition including: a plurality of quantum dots; a monomer combination including a first monomer having at least two thiol groups at terminal ends of the first monomer and a second monomer having at least two carbon-carbon double bonds at terminal ends of the second monomer; and an additive, a composite prepared therefrom, and an electronic device including same are disclosed. The additive includes a cyclosiloxane compound having a reactive moiety, a (meth)acrylate salt of a polyvalent metal, and a dithiocarbamate salt of a polyvalent metal, or a combination thereof, and wherein the reactive moiety includes a carbon-carbon double bond, a thiol group, or a combination thereof.
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公开(公告)号：US20210147749A1
公开(公告)日：2021-05-20
申请号：US16950994
申请日：2020-11-18
Applicant: Samsung Display Co., Ltd.
Inventor： Taekhoon KIM , Shin Ae JUN , Yong Wook KIM , Tae Gon KIM , Garam PARK
Abstract: A quantum dot including a core including a first semiconductor nanocrystal including a Group III-V compound; and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, tellurium, and selenium, wherein the quantum dot does not include cadmium, and the semiconductor nanocrystal shell has a mole ratio of tellurium to selenium of less than about 0.025:1, a composition including the quantum dot, a quantum dot-polymer composite, a patterned layer including the composite, and an electronic device including the patterned layer.
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Patent Agency Ranking
公开(公告)号：US20200243622A1
公开(公告)日：2020-07-30
申请号：US16750106
申请日：2020-01-23
Inventor： Deukseok CHUNG , Sung Hun LEE , Tae Gon KIM , Shin Ae JUN
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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27.发明申请公开(公告)号：US20190310549A1
公开(公告)日：2019-10-10
申请号：US16442984
申请日：2019-06-17
Inventor： Hyeyeon YANG , Tae Hyung KIM , Shang Hyeun PARK , Shin Ae JUN , Yong Seok HAN , Eun Joo JANG , Deukseok CHUNG
IPC: G03F7/00 , G03F7/105 , G03F7/027 , G03F7/004 , G03F7/031 , G03F7/028 , G03F7/40 , G03F7/32 , G03F7/20 , G03F7/16 , G03F7/033
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 parts by weight of the plurality of quantum dots.
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28.发明申请公开(公告)号：US20180239246A1
公开(公告)日：2018-08-23
申请号：US15900536
申请日：2018-02-20
Inventor： Shang Hyeun PARK , Shin Ae JUN
IPC: G03F7/004 , G03F7/16 , G03F7/20 , G03F7/32 , G03F7/40 , G03F7/031 , C09K11/02 , C09K11/70 , C09K11/56 , G03F7/00
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 a quantum dot; a carboxylic acid group-containing binder; a multi-thiol compound including a thiol group at each terminal end of the multi-thiol compound; a photopolymerizable monomer including a carbon-carbon double bond; a metal oxide fine particle; a polymeric stabilizer; a photoinitiator; and a solvent, wherein the polymeric stabilizer includes a polymer including —RO—, —R1COO—, —R1OCO—, —CR1R2—CAR—, —OCONH—R—NHCOO—R′—, or a combination thereof, as a repeating unit.
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29.发明申请公开(公告)号：US20180210335A1
公开(公告)日：2018-07-26
申请号：US15924814
申请日：2018-03-19
Inventor： Hyeyeon YANG , Tae Hyung KIM , Shang Hyeun PARK , Shin Ae JUN , Yong Seok HAN , Eun Joo JANG , Deukseok CHUNG
IPC: G03F7/00 , G03F7/32 , G03F7/16 , G03F7/028 , G03F7/031 , G03F7/004 , G03F7/20 , G03F7/033 , G03F7/40
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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30.发明申请公开(公告)号：US20180173020A1
公开(公告)日：2018-06-21
申请号：US15849994
申请日：2017-12-21
Inventor： Deukseok CHUNG , Shin Ae JUN , Tae Won JEONG , Yong Seok HAN
IPC: G02F1/017 , G02F1/1362 , G02F1/1335
CPC classification number: G02F1/017 , C09K11/025 , C09K11/623 , C09K11/70 , G02F1/133533 , G02F1/133617 , G02F1/136286 , G02F2001/01791 , G02F2201/50 , G03F7/0007 , G03F7/0047 , G03F7/033
Abstract: A layered structure including a transparent substrate; a photoluminescent layer disposed on the transparent substrate and a pattern of a quantum dot polymer composite; and a capping layer disposed on the photoluminescent layer and including an inorganic material, a method of producing the same, a liquid crystal display including the same. The quantum dot polymer composite includes a polymer matrix; and a plurality of quantum dots in the polymer matrix, the pattern of the quantum dot polymer composite includes at least one repeating section and the repeating section includes a first section configured to emit light of a first peak wavelength, the inorganic material is disposed on at least a portion of a surface of the repeating section, and the inorganic material includes a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof.
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