Patents by Inventor Michele D'Amico
Michele D'Amico has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230194514Abstract: Composite particles including nanoparticles dispersed in a matrix and their use in biologic assay. The nanoparticles selectively absorb or selectively emit light and have a size in at least one of its dimensions shorter than 20 nm. The weight fraction of the nanoparticles in the composite particles is greater than 0.5% and less than 50%, and the matrix of the composite particles is inorganic and includes less than 90% by weight of silica. Also, the composite particles are functionalized with a specific-binding component and have a mean size greater than 50 nm and less than 1000 nm.Type: ApplicationFiled: March 24, 2021Publication date: June 22, 2023Applicant: NEXDOTInventors: Akram YAHIA AMMAR, Alexis KUNTZMANN, Michele D'AMICO, Valérie ALEZRA, Benoît DUBERTRET
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Patent number: 11661526Abstract: A method for obtaining at least one particle, including: (a) preparing solution A including at least one precursor of at least one of Si, B, P, Ge, As, Al, Fe, Ti, Zr, Ni, Zn, Ca, Na, Ba, K, Mg, Pb, Ag, V, Te, Mn, Ir, Sc, Nb, Sn, Ce, Be, Ta, S, Se, N, F, and Cl; (b) preparing aqueous solution B; (c) forming droplets of solution A; (d) forming droplets of solution B; (e) mixing droplets; (f) dispersing mixed droplets in a gas flow; (g) heating dispersed droplets to obtain the at least one particle; (h) cooling the at least one particle; and (i) separating and collecting the at least one particle. The aqueous solution is acidic, neutral, or basic. In step (a) and/or step (b) at least one colloidal suspension of a plurality of nanoparticles is mixed with the solution. Also, a device for implementing the method.Type: GrantFiled: June 1, 2018Date of Patent: May 30, 2023Assignee: NEXDOTInventors: Marc Pousthomis, Michele D'Amico, Alexis Kuntzmann, Yu-Pu Lin
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Publication number: 20230088289Abstract: A polymerizable liquid composition including semi-conductive nanoparticles for the manufacture of ophthalmic lenses. Specifically, polymerizable composition has at least one monomer or oligomer; at least one catalyst for initiating the polymerization of the monomer or oligomer; and semi-conductive nanoparticles, which are dispersed in the monomer or oligomer. The absorbance through a 2-millimeter-thick layer of the polymerizable composition is higher than 0.5 for each light wavelength ranging from 350 to ?cut, ?cut being in the visible range, preferably in the range from 400 nm to 480 nm.Type: ApplicationFiled: February 19, 2021Publication date: March 23, 2023Applicant: NEXTDOTInventors: Scott WILLIS, Guillaume NAUDIN, Michele D'AMICO, Wilfried SOLO-OJO, Edgar CAO, Benoît DUBERTRET
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Publication number: 20230086353Abstract: A light filtering glass container including a glass container coated with a light filtering coating obtained by curing a polymerizable composition including semi-conductive nanoparticles. The absorbance through a 5-micrometer thick light filtering coating is greater than 0.5 for each light wavelength ranging from 350 nm to ?cut, ?cut being in the range from 420 nm to 480 nm, and the difference of lightness between the uncoated glass container and the glass container with the light filtering coating is lower than 5.Type: ApplicationFiled: February 19, 2021Publication date: March 23, 2023Applicant: NEXDOTInventors: Benoît DUBERTRET, Guillaume NAUDIN, Michele D'AMICO, Wilfried SOLO-OJO
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Publication number: 20230082669Abstract: A display that includes an image producing system and a light filtering layer in the blue range, the light filtering layer having a limited impact on the gamut of the display. The image producing system has a gamut G0 defined in a color space The light filtering layer includes semi-conductive nanoparticles, and the absorbance through the light filtering layer is greater than 0.25 for each light wavelength ranging from 350 nm to ?cut, ?cut being in the range from 420 nm to 450 nm. The gamut G1 of the image producing system with the filtering layer has an area greater than 90% of the area of gamut G0 in the color space.Type: ApplicationFiled: February 19, 2021Publication date: March 16, 2023Applicant: NEXDOTInventors: Benoît DUBERTRET, Guillaume NAUDIN, Michele D'AMICO, Wilfried SOLO-OJO, Yu-Pu LIN
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Publication number: 20220306935Abstract: Disclosed is a composite particle including a plurality of nanoparticles encapsulated in an inorganic material, wherein the plurality of nanoparticles is uniformly dispersed in the inorganic material. Also disclosed is relates to a light emitting material, a support supporting at least one composite particle and/or a light emitting material and an optoelectronic device including at least one composite particle and/or a light emitting material.Type: ApplicationFiled: June 8, 2022Publication date: September 29, 2022Inventors: Marc Pousthomis, Michele D'amico, Alexis Kuntzmann, Yu-Pu Lin, Edgar Cao
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Publication number: 20220282152Abstract: An electro-luminescent film including a substrate and anisotropic semiconductor nanoparticles distributed on the substrate according to a periodic pattern. The semiconductor nanoparticles have an aspect ratio greater than 1.5, and the repetition unit of the pattern has a smallest dimension of less than 500 micrometer and includes at least one pixel. Also, a process for the manufacture of the electro-luminescent film, and a light emitting device that includes the electro-luminescent film.Type: ApplicationFiled: July 31, 2020Publication date: September 8, 2022Applicant: NEXDOTInventors: Michele D'AMICO, Alexis KUNTZMANN, Yu-Pu LIN, Vladyslav VAKARIN
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Publication number: 20220278142Abstract: A light sensitive device including a substrate and high pass filter semiconductor nanoparticles distributed on the substrate. The substrate includes at least one photosensor, and the semiconductor nanoparticles are high pass filters in UV-visible-NIR light range. The light sensitive device has a density of the semiconductor nanoparticles per surface unit of greater than 5×109 nanoparticles.cm?2. Also, a process for the manufacture of the light sensitive device, and an image sensor that includes the light sensitive device.Type: ApplicationFiled: July 31, 2020Publication date: September 1, 2022Applicant: NEXDOTInventors: Michele D'AMICO, Alexis KUNTZMANN, Yu-Pu LIN, Vladyslav VAKARIN
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Publication number: 20220204800Abstract: An ink including at least one colloidal dispersion of particles and at least one metal halide binder, wherein the binder is a dissociated salt of metal and halogen. Also, a method for preparing a light-sensitive material, a light-sensitive material obtainable by the method, and a device including at least one light-sensitive material obtainable by the method.Type: ApplicationFiled: April 24, 2020Publication date: June 30, 2022Applicant: NEXDOTInventors: Marc POUSTHOMIS, Michele D'AMICO, Yu-Pu LIN, Félix BOUSSOUFI, Sébastien DREYFUSS, Robin FAIDEAU
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Patent number: 11370966Abstract: Disclosed is a composite particle including a plurality of nanoparticles encapsulated in an inorganic material, wherein the plurality of nanoparticles is uniformly dispersed in the inorganic material. Also disclosed is relates to a light emitting material, a support supporting at least one composite particle and/or a light emitting material and an optoelectronic device including at least one composite particle and/or a light emitting material.Type: GrantFiled: June 1, 2018Date of Patent: June 28, 2022Assignee: NEXDOTInventors: Marc Pousthomis, Michele D'Amico, Alexis Kuntzmann, Yu-Pu Lin, Edgar Cao
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Publication number: 20220154915Abstract: A fluorescent film including a substrate and semiconductor nanoparticles distributed on the substrate according to a periodic pattern. The semiconductor nanoparticles have a longest dimension greater than 25 nanometers or an aspect ratio greater than 1.5, and the repetition unit of the pattern has a smallest dimension of less than 500 micrometers and comprises at least two pixels. Also, a process of manufacturing the fluorescent film.Type: ApplicationFiled: February 3, 2022Publication date: May 19, 2022Applicant: NEXDOTInventors: Michele D'AMICO, Alexis KUNTZMANN, Yu-Pu LIN, Vladyslav VAKARIN
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Patent number: 11299670Abstract: A composite particle including a core and a shell, wherein the core has at least one inorganic nanoparticle and the shell is made of vitrified glass, methods for obtaining thereof and uses thereof. The uses include a film having a host material and at least one composite particle and an optoelectronic devise including at least one composite particle or the film.Type: GrantFiled: October 27, 2017Date of Patent: April 12, 2022Assignee: NEXDOTInventors: Marc Pousthomis, Michele D'Amico
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Patent number: 11137670Abstract: Disclosed is a color conversion layer including at least one light emitting material including at least one composite particle surrounded partially or totally by at least one surrounding medium; wherein the light emitting material is configured to emit light in response to an excitation and the at least one composite particle includes a plurality of nanoparticles encapsulated in an inorganic material; and wherein the inorganic material has a difference of refractive index compared to the at least one surrounding medium superior or equal to 0.02 at 450 nm. Also disclosed is a display apparatus.Type: GrantFiled: June 1, 2018Date of Patent: October 5, 2021Assignee: NEXDOTInventors: Marc Pousthomis, Michele D'Amico, Yu-Pu Lin
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Patent number: 11112685Abstract: Disclosed is a color conversion layer including at least one light emitting material including at least one composite particle surrounded partially or totally by at least one surrounding medium; wherein the light emitting material is configured to emit light in response to an excitation and the at least one composite particle includes a plurality of nanoparticles encapsulated in an inorganic material; and wherein the inorganic material has a difference of refractive index compared to the at least one surrounding medium superior or equal to 0.02 at 450 nm. Also disclosed is a display apparatus.Type: GrantFiled: June 1, 2018Date of Patent: September 7, 2021Assignee: NEXDOTInventors: Marc Pousthomis, Michele D'Amico, Yu-Pu Lin
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Publication number: 20210139770Abstract: An aggregate including a material; at least one particle dispersed in the material; wherein the aggregate is metastable. The present disclosure also relates to an optoelectronic device and a method.Type: ApplicationFiled: June 1, 2018Publication date: May 13, 2021Applicant: NEXDOTInventors: Marc POUSTHOMIS, Michele D'AMICO, Alexis KUNTZMANN, Edgar CAO, Robin FAIDEAU, Yu-Pu LIN
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Patent number: 10988686Abstract: Disclosed is a luminescent particle including a first material, wherein the luminescent particle includes at least one particle including a second material and at least one nanoparticle dispersed in the second material; wherein the first material and the second material have a bandgap superior or equal to 3 eV; and wherein the luminescent particle is a colloidal particle. Also disclosed is a light emitting material, a support and an optoelectronic device.Type: GrantFiled: June 1, 2018Date of Patent: April 27, 2021Assignee: NEXDOTInventors: Michele D'amico, Alexis Kuntzmann, Robin Faideau
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Patent number: 10822510Abstract: Disclosed is an ink including at least one particle including a first material; and at least one liquid vehicle; wherein the particle includes at least one particle including a second material and at least one nanoparticle dispersed in the second material; wherein the first material and the second material have an extinction coefficient less or equal to 15×10?5 at 460 nm. The invention also relates to inks, light emitting materials including at least one ink, patterns including at least one ink, particles deposited on a support, optoelectronic devices including at least one ink and method for depositing an ink on a support.Type: GrantFiled: June 1, 2018Date of Patent: November 3, 2020Assignee: NEXDOTInventors: Marc Pousthomis, Michele D'Amico, Alexis Kuntzmann, Yu-Pu Lin, Edgar Cao, Robin Faideau
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Patent number: 10642139Abstract: Disclosed is a color conversion layer including at least one light emitting material including at least one composite particle surrounded partially or totally by at least one surrounding medium; wherein the light emitting material is configured to emit light in response to an excitation and the at least one composite particle includes a plurality of nanoparticles encapsulated in an inorganic material; and wherein the inorganic material has a difference of refractive index compared to the at least one surrounding medium superior or equal to 0.02 at 450 nm. Also disclosed is an illumination source and a display apparatus.Type: GrantFiled: June 1, 2018Date of Patent: May 5, 2020Assignee: NEXDOTInventors: Marc Pousthomis, Michele D'Amico, Yu-Pu Lin
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Publication number: 20200131435Abstract: A method for obtaining at least one particle, including: (a) preparing solution A including at least one precursor of at least one of Si, B, P, Ge, As, Al, Fe, Ti, Zr, Ni, Zn, Ca, Na, Ba, K, Mg, Pb, Ag, V, Te, Mn, Ir, Sc, Nb, Sn, Ce, Be, Ta, S, Se, N, F, and Cl; (b) preparing aqueous solution B; (c) forming droplets of solution A; (d) forming droplets of solution B; (e) mixing droplets; (f) dispersing mixed droplets in a gas flow; (g) heating dispersed droplets to obtain the at least one particle; (h) cooling the at least one particle; and (i) separating and collecting the at least one particle. The aqueous solution is acidic, neutral, or basic. In step (a) and/or step (b) at least one colloidal suspension of a plurality of nanoparticles is mixed with the solution. Also, a device for implementing the method.Type: ApplicationFiled: June 1, 2018Publication date: April 30, 2020Applicant: NEXDOTInventors: Marc POUSTHOMIS, Michele D'AMICO, Alexis KUNTZMANN, Yu-Pu LIN
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Publication number: 20190264101Abstract: A composite particle including a core and a shell, wherein the core has at least one inorganic nanoparticle and the shell is made of vitrified glass, methods for obtaining thereof and uses thereof. The uses include a film having a host material and at least one composite particle and an optoelectronic devise including at least one composite particle or the film.Type: ApplicationFiled: October 27, 2017Publication date: August 29, 2019Applicant: NEXDOTInventors: Marc POUSTHOMIS, Michele D'AMICO