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1 | US2021009899A1 |
QUANTUM DOTS, A COMPOSITION OR COMPOSITE INCLUDING THE SAME, AND AN ELECTRONIC DEVICE INCLUDING THE SAME
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Publication/Patent Number: US2021009899A1 | Publication Date: 2021-01-14 | Application Number: 16/918,316 | Filing Date: 2020-07-01 | Inventor： Won, Nayoun Park, Garam Jun, Shin Ae Kim, Tae Gon Kim, Taekhoon Park, Shang Hyeun Lim, Mi Hye | Assignee: Samsung Display Co., Ltd. | IPC: C09K11/88 | Abstract: A quantum dot including a core including a semiconductor nanocrystal including a Group III-V compound; and a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc, selenium, and optionally sulfur, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc, sulfur, and optionally selenium, wherein the quantum dot does not include cadmium, an emission peak wavelength of the quantum dot is in a range of about 500 nanometers (nm) to about 550 nm, and an ultraviolet-visible absorption spectrum of the quantum dot includes a first exciton absorption peak and a second exciton absorption peak, a composition including the same, a composite, and an electronic device. | |||
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2 | US10920134B2 |
Method for preparing multilayer of nanocrystals, and organic-inorganic hybrid electroluminescence device comprising multilayer of nanocrystals prepared by the method
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Publication/Patent Number: US10920134B2 | Publication Date: 2021-02-16 | Application Number: 15/463,721 | Filing Date: 2017-03-20 | Inventor： Jang, Eun Joo Jun, Shin Ae Lee, Sung Hun Park, Jong Jin Choi, Seong Jae Ahn, Tae Kyung | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: C09K11/02 | Abstract: Disclosed herein is a method for preparing a multilayer of nanocrystals. The method comprises the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals. | |||
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3 | US10889755B2 |
Photosensitive resin composition, complex, laminated structure and display device, and electronic device including the same
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Publication/Patent Number: US10889755B2 | Publication Date: 2021-01-12 | Application Number: 15/819,556 | Filing Date: 2017-11-21 | Inventor： Youn, Jinsuop Kwon, Ha Il Kim, Misun Ahn, Jooyeon Yang, Hyeyeon Lee, Bumjin Lee, Jongmin Jun, Shin Ae Han, Hyunjoo | Assignee: SAMSUNG ELECTRONICS CO., LTD. SAMSUNG SDI CO., LTD. SAMSUNG DISPLAY CO., LTD. | IPC: C09K11/70 | 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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4 | US2020017704A1 |
INK COMPOSITIONS, PRODUCTION METHOD THEREOF, AND METHOD OF FORMING QUATNUM DOT POLYMER COMPOSITE PATTERN USING THE SAME
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Publication/Patent Number: US2020017704A1 | Publication Date: 2020-01-16 | Application Number: 16/507,790 | Filing Date: 2019-07-10 | Inventor： Yang, Hyeyeon Jun, Shin Ae | Assignee: Samsung Display Co., Ltd. | IPC: C09D11/38 | Abstract: An ink composition includes a quantum dot; a carboxyl group (—COOH)-containing binder polymer; an electrical insulating polymer precursor; a radical initiator; and a liquid vehicle, wherein the liquid vehicle includes a mixture of a first organic compound including a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2, or a combination thereof, and a second organic compound including a compound represented by Chemical Formula 3, a compound represented by Chemical Formula 4, or a combination thereof: | |||
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5 | US202017704A1 |
INK COMPOSITIONS, PRODUCTION METHOD THEREOF, AND METHOD OF FORMING QUATNUM DOT POLYMER COMPOSITE PATTERN USING THE SAME
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Publication/Patent Number: US202017704A1 | Publication Date: 2020-01-16 | Application Number: 20/191,650 | Filing Date: 2019-07-10 | Inventor： Jun, Shin Ae Yang, Hyeyeon | Assignee: Samsung Display Co., Ltd. | IPC: C09D11/38 | ||||
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6 | US2020194633A1 |
DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
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Publication/Patent Number: US2020194633A1 | Publication Date: 2020-06-18 | Application Number: 16/714,950 | Filing Date: 2019-12-16 | Inventor： Chung, Deukseok Jun, Shin Ae | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L33/50 | Abstract: A method for manufacturing a display device includes: providing a plurality of light emitting elements on a substrate; providing a first photosensitive resin layer on the light emitting elements; driving a plurality of first light emitting elements among the plurality of light emitting elements, the driving of the plurality of first light emitting elements hardening a portion of the first photosensitive resin layer which corresponds to the plurality of first light emitting elements; and providing a first color converting layer as the portion of the first photosensitive resin layer which is hardened, by removing a remaining portion of the first photosensitive resin layer. | |||
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7 | US10759993B2 |
Quantum dot composition, quantum dot polymer composite, and layered structure and electronic devices including the same
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Publication/Patent Number: US10759993B2 | Publication Date: 2020-09-01 | Application Number: 16/180,376 | Filing Date: 2018-11-05 | Inventor： Yang, Hyeyeon Lee, Jongmin Jun, Shin Ae | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: C09K11/02 | 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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8 | KR20200006652A |
- INK COMPOSITIONS PRODUCTION METHOD THEREOF AND METHOD OF FORMING QUATNUM DOT POLYMER COMPOSITE PATTERN USING THE SAME
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Publication/Patent Number: KR20200006652A | Publication Date: 2020-01-21 | Application Number: 20180080220 | Filing Date: 2018-07-10 | Inventor： Jun, Shin Ae Yang, Hye Yeon | Assignee: SAMSUNG DISPLAY CO., LTD. | IPC: C09K11/08 | Abstract: 양자점; 카르복시기(-COOH) 함유 바인더 폴리머; 전기 절연성 폴리머 전구체; 라디칼 개시제; 및 액체 비히클을 포함하는 잉크 조성물로서, 상기 액체 비히클은, 화학식 1 및 화학식 2로 나타내어지는 화합물들 중 적어도 하나를 포함하는 제1 유기 화합물 및 화학식 3 및 화학식 4로 나타내어지는 화합물들 중 적어도 하나를 포함하는 제2 유기 화합물의 혼합물을 포함한다: [화학식 1] A-L-ester-R [화학식 2][화학식 3] R-COO-[CRO]-R[화학식 4] | |||
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9 | US10670962B2 |
Photosensitive compositions, preparation methods thereof, and quantum dot polymer composite pattern produced therefrom
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Publication/Patent Number: US10670962B2 | Publication Date: 2020-06-02 | Application Number: 15/900,536 | Filing Date: 2018-02-20 | Inventor： Park, Shang Hyeun Jun, Shin Ae | Assignee: SAMSUNG ELECTRONICS CO., LTD. SAMSUNG DSPLAY CO., LTD. SAMSUNG SDI CO., LTD. | IPC: G03F7/027 | 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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10 | US10533127B2 |
Compositions, quantum dot polymer composite and layered structure produced therefrom, and electronic device including the same
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Publication/Patent Number: US10533127B2 | Publication Date: 2020-01-14 | Application Number: 16/104,597 | Filing Date: 2018-08-17 | Inventor： Park, Shang Hyeun Jun, Shin Ae | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/54 | Abstract: A composition including a plurality of metal oxide particles including a first stabilizer and a second stabilizer on a surface thereof; a plurality of quantum dots; a binder polymer including a carboxylic acid group; a polymerizable monomer including a carbon-carbon double bond; an initiator; optionally a multi-thiol compound comprising at least two thiol groups at one or more terminal ends thereof; and a solvent, wherein the first stabilizer and the second stabilizer are as provided herein. | |||
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11 | US2020369955A1 |
QUANTUM DOT-POLYMER COMPOSITE PATTERN, PRODUCTION METHOD THEREOF, AND ELECTRONIC DEVICE INCLUDING THE SAME
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Publication/Patent Number: US2020369955A1 | Publication Date: 2020-11-26 | Application Number: 16/881,697 | Filing Date: 2020-05-22 | Inventor： Park, Shang Hyeun Kim, Tae Gon Jun, Shin Ae | Assignee: Samsung Display Co., Ltd. | IPC: C09K11/02 | Abstract: A quantum dot-polymer composite pattern including at least one repeating section configured to emit light of a predetermined wavelength, and a production method and a display device including the quantum dot-polymer composite are disclosed. The quantum dot-polymer composite includes a polymer matrix including linear polymer including a carboxylic acid group-containing repeating unit and a plurality of cadmium-free quantum dots dispersed in the polymer matrix, has an absorption rate of greater than or equal to about 85% for light at wavelength of about 450 nm, and has an area ratio of a hydroxy group peak relative to an acrylate peak of greater than or equal to about 2.6 in Fourier transform infrared spectroscopy. | |||
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12 | US10712483B2 |
Photosensitive compositions, quantum dot polymer composite pattern prepared therefrom, and electronic devices including the same
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Publication/Patent Number: US10712483B2 | Publication Date: 2020-07-14 | Application Number: 15/244,596 | Filing Date: 2016-08-23 | Inventor： Paek, Hojeong Park, Shang Hyeun Jun, Shin Ae Kim, Jonggi | Assignee: SAMSUNG ELECTRONICS CO., LTD. SAMSUNG SDI CO., LTD. | IPC: G03F7/032 | Abstract: A photosensitive composition including: a plurality of quantum dots, wherein the quantum dot includes an organic ligand with a hydrophobic moiety bound to a surface of the quantum dot; a binder; a photopolymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent, wherein the binder includes a multiple aromatic ring-containing polymer including a main chain including a carboxylic acid group and a backbone structure incorporated in the main chain, wherein the backbone structure includes a quaternary carbon atom, which is a part of a cyclic group, and two aromatic rings bound to the quaternary carbon atom, and wherein the plurality of quantum dots are dispersed in the binder. | |||
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13 | US202040255A1 |
COMPOSITION, QUANTUM DOT-POLYMER COMPOSITE, AND DISPLAY DEVICE INCLUDING SAME
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Publication/Patent Number: US202040255A1 | Publication Date: 2020-02-06 | Application Number: 20/191,653 | Filing Date: 2019-08-06 | Inventor： Jun, Shin Ae Park, Shang Hyeun Ka, Jong-hoon | Assignee: Samsung Electronics Co., Ltd. | IPC: H01L51/50 | Abstract: A composition including a quantum dot, a dispersing agent for dispersing the quantum dot, a polymerizable monomer including a carbon-carbon double bond, an initiator, a hollow metal oxide particulate, and a solvent, and a quantum dot-polymer composite manufactured from the composition. | |||
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14 | US10717649B2 |
Processes for synthesizing nanocrystals
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Publication/Patent Number: US10717649B2 | Publication Date: 2020-07-21 | Application Number: 16/117,394 | Filing Date: 2018-08-30 | Inventor： Jang, Hyo Sook Jun, Shin Ae Jang, Eun Joo | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: C09K11/00 | Abstract: A process of synthesizing Ga—Se nanocrystals is provided, the process including: contacting a first precursor containing gallium with a second precursor containing selenium to obtain a Ga—Se single precursor; and reacting the Ga—Se single precursor in a solvent in the presence of a ligand compound, and optionally with a third precursor including an element (A) other than gallium and selenium, to prepare a Ga—Se nanocrystal represented by Chemical Formula 1: GaSexAy [Chemical Formula 1] wherein x is about 1.1 to 3, and y is about 0.1 to 4. | |||
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15 | US10627672B2 |
LED package, backlight unit and illumination device including same, and liquid crystal display including backlight unit
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Publication/Patent Number: US10627672B2 | Publication Date: 2020-04-21 | Application Number: 15/271,902 | Filing Date: 2016-09-21 | Inventor： Jang, Eun Joo Kang, Hyun A Jun, Shin Ae Cho, Oul | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: G02F1/1335 | Abstract: A light emitting diode (LED) package includes: an LED; a stack structure including a light-scattering structure spaced apart from the LED, and a light conversion layer disposed on at least one surface selected from an inner surface and an outer surface of the light-scattering structure and configured to convert light emitted from the LED into white light, wherein the light conversion layer includes a semiconductor nanocrystal; and an organic barrier layer disposed on a surface of the light conversion layer. | |||
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16 | US2020040255A1 |
COMPOSITION, QUANTUM DOT-POLYMER COMPOSITE, AND DISPLAY DEVICE INCLUDING SAME
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Publication/Patent Number: US2020040255A1 | Publication Date: 2020-02-06 | Application Number: 16/532,888 | Filing Date: 2019-08-06 | Inventor： Park, Shang Hyeun Ka, Jong-hoon Jun, Shin Ae | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: C09K11/02 | Abstract: A composition including a quantum dot, a dispersing agent for dispersing the quantum dot, a polymerizable monomer including a carbon-carbon double bond, an initiator, a hollow metal oxide particulate, and a solvent, and a quantum dot-polymer composite manufactured from the composition. | |||
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17 | US2020407635A1 |
CADMIUM FREE QUANTUM DOTS, AND COMPOSITE AND DISPLAY DEVICE INCLUDING THE SAME
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Publication/Patent Number: US2020407635A1 | Publication Date: 2020-12-31 | Application Number: 16/914,601 | Filing Date: 2020-06-29 | Inventor： Kim, Tae Gon Choi, Seonmyeong Jun, Shin Ae Yang, Hyeyeon | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: C09K11/88 | 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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18 | US10577716B2 |
Multilayer nanocrystal structure and method for producing the same
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Publication/Patent Number: US10577716B2 | Publication Date: 2020-03-03 | Application Number: 15/935,666 | Filing Date: 2018-03-26 | Inventor： Jang, Eun Joo Jun, Shin Ae Lim, Jung Eun Choi, Hye Ran | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: C30B7/14 | Abstract: Disclosed herein is a multilayer nanocrystal structure comprising a nanocrystal alloy core comprising two or more nanocrystals and including an alloy interlayer formed at an interface between the two or more nanocrystals, and one or more layers of nanocrystal shells formed sequentially on the surface of the nanocrystal alloy core, wherein the nanocrystal shells each have different band gaps. The multilayer nanocrystal structure can be applied to various electronic devices owing to its advantages of high luminescence efficiency, superior optical stability, and superior chemical stability. | |||
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19 | EP3656833A1 |
QUANTUM DOTS, COMPOSITIONS AND COMPOSITES INCLUDING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE SAME
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Publication/Patent Number: EP3656833A1 | Publication Date: 2020-05-27 | Application Number: 19210980.9 | Filing Date: 2019-11-22 | Inventor： Lee, Jongmin Park, Young Seok Kim, Taek Hoon Jun, Shin Ae Kim, Jin A | Assignee: Samsung Display Co., Ltd. | IPC: C09K11/02 | 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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20 | EP3660125A1 |
QUANTUM DOTS AND DEVICES INCLUDING THE SAME
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Publication/Patent Number: EP3660125A1 | Publication Date: 2020-06-03 | Application Number: 19212179.6 | Filing Date: 2019-11-28 | Inventor： Kim, Tae Gon Park, Garam Ahn, Jooyeon Park, Shang Hyeun Jun, Shin Ae | Assignee: Samsung Display Co., Ltd. | IPC: C09K11/02 | Abstract: A quantum dot including a core and a shell disposed on the core wherein one of the core and the shell includes a first semiconductor nanocrystal including zinc and sulfur and the other of the core and the shell includes a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, the first semiconductor nanocrystal further includes a metal and a halogen configured to act as a Lewis acid in a halide form, an amount of the metal is greater than or equal to about 10 mole percent (mol%) based on a total number of moles of sulfur, and an amount of the halogen is greater than or equal to about 10 mol% based on a total number of moles of sulfur, a method of producing the same, and a composite and an electronic device including the same. |
3.Current Quota