Patents Examined by Matthew E Hoban
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Patent number: 11976010Abstract: Disclosed herein are embodiments of composite hexagonal ferrite materials formed from a combination of Y phase and Z phase hexagonal ferrite materials. Advantageously, embodiments of the material can have a high resonant frequency as well as a high permeability. In some embodiments, the materials can be useful for magnetodielectric antennas.Type: GrantFiled: February 16, 2023Date of Patent: May 7, 2024Assignee: Allumax TTI, LLCInventors: Michael David Hill, Srinivas Polisetty, Constance M. Griffith
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Patent number: 11976227Abstract: The invention relates to a process for producing a crystalline A/M/X material, which crystalline A/M/X material comprises a compound of formula [A]a[M]b[X]c wherein: [A] comprises one or more A cations; [M] comprises one or more M cations which are metal or metalloid cations; [X] comprises one or more X anions; a is a number from 1 to 6; b is a number from 1 to 6; and c is a number from 1 to 18. The process is capable of producing crystalline A/M/X materials while precisely controlling their stoichiometry, leading to products with finely tunable optical properties such as peak emission wavelength. The invention also relates to process for producing a thin film comprising the crystalline A/M/X material of the invention, and to a thin film obtainable by the process of the invention. An optoelectronic device comprising the thin film is also provided.Type: GrantFiled: July 12, 2019Date of Patent: May 7, 2024Assignee: OXFORD UNIVERSITY INNOVATION LIMITEDInventors: Nobuya Sakai, Bernard Wenger, Henry James Snaith
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Patent number: 11972886Abstract: Various aspects disclosed relate to hybrid nanoparticles embedded in non-magnetic microparticles. These materials can be used to directionally orient and impart an ordered structure to a variety of materials.Type: GrantFiled: April 17, 2019Date of Patent: April 30, 2024Assignee: SHPP Global Technologies B.V.Inventors: Devendra Bajaj, Viswanathan Kalyanaraman
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Patent number: 11965229Abstract: A metal magnetic particle provided with an oxide layer on a surface of an alloy particle containing Fe and Si. The oxide layer has a first oxide layer, a second oxide layer, a third oxide layer, and a fourth oxide layer. Also, in line analysis of element content by using a scanning transmission electron microscope-energy dispersive X-ray spectroscopy, the first oxide layer is a layer where Fe content takes a local maximum value, the second oxide layer is a layer where Fe content takes a local maximum value, the third oxide layer is a layer where Si content takes a local maximum value, and the fourth oxide layer is a layer where Fe content takes a local maximum value.Type: GrantFiled: March 15, 2021Date of Patent: April 23, 2024Assignee: Murata Manufacturing Co., Ltd.Inventors: Takuya Ishida, Makoto Yamamoto, Katsutoshi Uji, Yuya Ishida, Mitsuru Odahara
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Patent number: 11958998Abstract: 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.Type: GrantFiled: May 5, 2021Date of Patent: April 16, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Ha Il Kwon, Tae Gon Kim, Shang Hyeun Park, Eun Joo Jang, Shin Ae Jun, Garam Park
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Patent number: 11961644Abstract: Disclosed are embodiments of synthetic garnet materials for use in radiofrequency applications. In some embodiments, increased amounts of gadolinium can be added into specific sites in the crystal structure of the synthetic garnet by incorporating indium, a trivalent element. By including both indium and increased amounts of gadolinium, the dielectric constant can be improved. Thus, embodiments of the disclosed material can be advantageous in both above and below resonance applications, such as for isolators and circulators.Type: GrantFiled: May 24, 2022Date of Patent: April 16, 2024Assignee: Skyworks Solutions, Inc.Inventors: Michael David Hill, David Bowie Cruickshank
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Patent number: 11958262Abstract: A tooling assembly, including a cermet tooling body and a plastic support structure operationally connected to the cermet tooling body. The plastic support structure at least partially encapsulates the cermet tooling body. The plastic support structure includes a plastic matrix portion and a plurality of high magnetic permeability metallic particles distributed throughout the plastic matrix portion. Each respective high magnetic permeability metallic particle has a magnetic permeability of at least 0.0001 H/m and each respective high magnetic permeability metallic particle has a relative magnetic permeability of about 8000. The plastic matrix portion is selected from the group consisting of high molecular mass polymers, thermoplastics, thermosetting polymers, amorphous plastics, crystalline plastics, resin-based materials, and combinations thereof.Type: GrantFiled: March 27, 2020Date of Patent: April 16, 2024Assignee: Innex Innovative IndustriesInventor: Thomas Blaszczykiewicz
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Patent number: 11961736Abstract: A SiC epitaxial wafer in which a SiC epitaxial layer is formed on a 4H-SiC single crystal substrate having an off angle and a substrate carbon inclusion density of 0.1 to 6.0 inclusions/cm2, wherein a total density of large pit defects and triangular defects caused by substrate carbon inclusions and contained in the SiC epitaxial layer is 0.01 defects/cm2 or more and 0.6 defects/cm2 or less. The large pit defect is a pit located on a surface at a position corresponding to a position of the carbon inclusion on the substrate surface, and a conversion rate from the substrate carbon inclusions to the large pit defects and the triangular defects caused by the substrate carbon inclusions is 20% or less. Also disclosed is a method for producing the SiC epitaxial wafer.Type: GrantFiled: February 28, 2022Date of Patent: April 16, 2024Assignee: Resonac CorporationInventors: Ling Guo, Koji Kamei
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Patent number: 11952521Abstract: A process for preparing a Mn+4 doped phosphor of formula I Ax[MFy]:Mn+4??I includes combining a first solution comprising a source of A and a second solution comprising H2MF6 in the presence of a source of Mn, to form the Mn+4 doped phosphor; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and wherein a value of a Hammett acidity function of the first solution is at least ?0.9. Particles produced by the process may have a particle size distribution with a D50 particle size of less than 10 ?m.Type: GrantFiled: November 2, 2021Date of Patent: April 9, 2024Assignee: CURRENT LIGHTING SOLUTIONS, LLCInventors: James Edward Murphy, Srinivas Prasad Sista, Samuel Joseph Camardello
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Patent number: 11952688Abstract: Loose-fill insulating products may include mineral wool, in particular glass wool or rock wool, in the form of down, nodules, or flakes, which are obtainable by an aeration that allows the mineral wool to be expanded. The mass distribution of the agglomerates may be obtained by screening 2 to 5 g of insulating product using a vibrating sieve shaker with a stack of screens and a maximum amplitude of oscillation of 3 mm set to 1.5 to 2.5 mm, 1.8 to 2.2 mm, or 2 mm, for 5 minutes, satisfies a relationship (% agglomerates 6-13)?(% agglomerates<6)?5%, where (% agglomerates 6-13) is mass percentage of agglomerates passing through 6 mm and 13 mm screens, and (% agglomerates<6) is mass percentage of agglomerates passing through a 6 mm screen.Type: GrantFiled: July 13, 2021Date of Patent: April 9, 2024Assignee: SAINT-GOBAIN ISOVERInventors: Nicolas Dovetta, Mathilde Siband, Foucault De Francqueville
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Patent number: 11957058Abstract: A method of transducing electrical energy to sound is disclosed which includes providing a transducer, the transducer includes lead zirconate titanate (PZT) particles mixed with graphene nanoplatelets (GNPs) in a flexible substrate aligned in a first direction, forming a transducer subsystem, a first conductive protective electrode having a width and a length configured to provide a first electrical connectivity to an external circuit, and a second conductive protective electrode having the width and the length and configured to provide a second electrical connectivity to the external circuit, wherein the transducer subsystem is sandwiched between the first and second conductive protective electrodes, and providing an external circuit configured to provide an electrical signal to the first and second conductive protective electrodes to thereby transduce the electrical signal to sound.Type: GrantFiled: February 18, 2023Date of Patent: April 9, 2024Assignee: Purdue Research FoundationInventors: Mukerrem Cakmak, Armen Yildirim, Rahim Rahimi
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Patent number: 11939503Abstract: Disclosed are a preparation method for manganese-doped red phosphor, a device and a backlight module including the product. The method includes: 1) mixing A2BF6 polycrystalline particles with mill balls; 2) mixing A2BF6 powder obtained after ball-milling with a hydrofluoric acid for secondary crystallization; 3) filtering out solid particles in A2BF6 and hydrofluoric acid solution after the secondary crystallization; 4) performing ion exchange between A2BF6 particles and A2BF6; and 5) filtering out solid particles to obtain a filter cake, and performing drying treatment to obtain manganese-doped red phosphor.Type: GrantFiled: October 26, 2018Date of Patent: March 26, 2024Assignees: Hefei University of Technology, Intelligent Manufacturing Institute of HFUTInventors: Lei Chen, Peng Cheng, Jie Chen, Yunfei Tian, Jialong Wang, Liangrui He, Qiuhong Zhang, Haiyong Ni
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Patent number: 11938011Abstract: A light emitting composition including first color emitters and second color emitters. The first color emitters are configured to emit, upon exposure to an energy source, visible light at a target color in response to absorption of energy across a first band of wavelengths. The second color emitters are configured to emit, upon exposure to the energy source, visible light at the target color in response to absorption of energy across a second band of wavelengths. The light intensity observable at the target color is enhanced relative to reflected white light without emission from the first and second color emitters. The light emitting composition can be a part of a paint, an ink, a fabric, a thread, a road sign, a highway marking, an automobile, a boat, a plane, a reflector, a building product, a concrete product, an epoxy product, a jewelry product, colored contact lens, a candle product, a rubber product, a plastic product, or other colored surface.Type: GrantFiled: June 29, 2020Date of Patent: March 26, 2024Inventors: Frederic A. Bourke, Jr., Harold Walder
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Patent number: 11939266Abstract: Disclosed herein is a dual density disc comprising a dense outer tube comprising alumina having a purity of greater than 99%; and a porous core comprising alumina of a lower density than a density of the dense outer tube; wherein the porous core has an alumina purity of greater than 99%. Disclosed herein too is method comprising disposing in a dense outer tube a slurry comprising alumina powder and a pore former; heating the dense outer tube with the slurry disposed therein to a temperature of 300 to 600° C. to activate the pore former; creating a porous core in the dense outer tube; and sintering the dense outer tube with the porous core at a temperature of 800 to 2000° C. in one or more stages.Type: GrantFiled: November 24, 2020Date of Patent: March 26, 2024Assignee: MOTT CORPORATIONInventors: Jeffery Caswell, Piyush Kar, Alex Hill, Alfred M. Romano, Aravind Mohanram
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Patent number: 11932790Abstract: Disclosed are a red light and near-infrared light-emitting material and a preparation method thereof, and a light-emitting device including the light-emitting material. The red light and near-infrared light-emitting material contains a compound represented by a molecular formula, aSc2O3·Ga2O3·bR2O3, wherein the element R includes one or two of Cr, Ni, Fe, Yb, Nd or Er; 0.001?a?0.6; and 0.001?b?0.1. The light-emitting material can be excited by a spectrum having a wide wavelength range (ultraviolet light or purple light or blue light) to emit light with a wide spectrum of 650 nm to 1700 nm or multiple spectra, thus having higher light-emitting intensity.Type: GrantFiled: July 9, 2019Date of Patent: March 19, 2024Assignee: GRIREM ADVANCED MATERIALS CO., LTD.Inventors: Xiaoxia Chen, Yuanhong Liu, Ronghui Liu, Yuan Xue
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Patent number: 11926775Abstract: This specification discloses methods of enhancing the stability and performance of Eu2+ doped narrow band red emitting phosphors. In one embodiment the resulting phosphor compositions are characterized by crystallizing in ordered structure variants of the UCr4C4 crystal structure type and having a composition of AE1?xLi3?2yAl1+y?zSizO4?4y?zN4y+z:Eux (AE=Ca, Sr, Ba, or a combination thereof, 0<x<0.04, 0?y<1, 0<z<0.05, y+z?1). It is believed that the formal substitution (Al,O)+ by (Si,N)+ reduces the concentration of unwanted Eu3+ and thus enhances properties of the phosphor such as stability and conversion efficiency.Type: GrantFiled: December 4, 2020Date of Patent: March 12, 2024Assignee: Lumileds LLCInventors: Peter Josef Schmidt, Philipp-Jean Strobel, Volker Weiler, Andreas Tücks
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Patent number: 11926773Abstract: Provided herein are organic-inorganic hybrid-perovskites, including metal halide perovskites having a 1D crystal structure. The metal halide perovskites may be luminescent. The metal halide perovskites may include a dopant, including an emitter dopant. Methods of forming metal halide perovskites, and devices including the metal halide perovskites also are provided.Type: GrantFiled: July 26, 2021Date of Patent: March 12, 2024Assignee: Florida State University Research Foundation, Inc.Inventors: Biwu Ma, Zhao Yuan, Chenkun Zhou
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Patent number: 11912911Abstract: Quantum dots surface-modified with a compound represented by Chemical Formula 1 or Chemical Formula 2, a curable composition including the quantum dots, a cured layer, and a color filter. In Chemical Formula 1 and Chemical Formula 2, each substituent is the same as defined in the specification.Type: GrantFiled: September 22, 2020Date of Patent: February 27, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Yonghee Kang, Jonggi Kim, Jihyeon Yim, Dongjun Kim, Misun Kim, Minjee Park, Bumjin Lee, Injae Lee, Mi Jeong Choi
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Patent number: 11913847Abstract: Mechanoluminescent devices and articles, such as wearable articles, that include mechanoluminescent devices. The mechanoluminescent devices may have a lateral type architecture or a vertical type architecture. The mechanoluminescent devices may be sensors, including pressure sensors.Type: GrantFiled: September 27, 2022Date of Patent: February 27, 2024Assignee: The Florida State University Research Foundation, Inc.Inventors: Okenwa I. Okoli, Md Abu S. Shohag, Nirmal Adhikari
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Patent number: 11912917Abstract: A method of manufacturing quantum dots includes placing nickel powder having a certain particle size, a precursor material, and an organic solvent into a container, maintaining a pressure in the container at a certain value, and synthesizing quantum dots by stirring the nickel powder, the precursor material, and the organic solvent in the container.Type: GrantFiled: May 20, 2021Date of Patent: February 27, 2024Assignee: AGENCY FOR DEFENSE DEVELOPMENTInventors: Yu Song Choi, Tae Young Ahn, Min U Kim, Jang Hyeon Cho