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Rare-Earth-Element Free Yellow Phosphors for White Light-Emitting Diodes
Yellow phosphor emits white light when excited with the 460 nm blue lighting. The blue LED (left half; top) when coated with dispersed yellow phosphor (right half; top) emits white light.
Invention Summary:
Despite their low energy consumption and higher efficiency, white light-emitting diodes made of blue chip coupled with yellow phosphor...
Published: 12/4/2024
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Inventor(s): Jing Li, Zhichao Hu, Qihan Gong
Keywords(s): Electronics, LEDs
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Electronics/Semiconductor
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Hybrid Lighting Phosphors with High Quantum Efficiency, and Enhanced Thermal and Photostability
This rare-earth element-free invention can be used in LEDs to generate the entire visible spectrum
Invention Summary:
The use of rare earth elements in the phosphor coating of light-emitting diodes (LEDs) and compact fluorescent lamps (CFLs) raises environmental...
Published: 12/4/2024
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Inventor(s): Jing Li, Yang Fang, Wei Liu
Keywords(s): LEDs, Photonics and photovoltaics
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Electronics/Semiconductor
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Novel cermet composite for nuclear waste immobilization
1.5-inch diameter cermet synthesized using hot uniaxial sintering
Invention Summary:
Nuclear power generates ~10% of electricity globally and ~20% in developed economies. High-level waste, expected to be produced at the back end of advanced reactor fuel cycles, includes metals, oxides, halide salts, and carbon/graphite...
Published: 10/9/2024
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Inventor(s): Ashutosh Goel, John Vienna, John McCloy, S Sundaram, Aditya Kumar, Hans-Conrad zur Loye, Jake Amoroso
Keywords(s):
Category(s): Technology Classifications > Energy & Battery, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials
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Ion‐exchangeable transparent and opaque glass‐ceramics
Photos of heat-treated glass-ceramics
Invention Summary:
Recently, the display glass industry is transitioning from using glass to glass‐ceramic due to its higher mechanical strength. Similarly, instead if aluminum, glass-ceramic is becoming the preferred material for back covers of smartphones and other devices to enable effective wireless...
Published: 8/23/2024
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Inventor(s): Ashutosh Goel, Qianhui Qin
Keywords(s):
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials
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Flame Synthesis of Carbon-Based Films on Liquid Surfaces
Schematic of an ethylene-air premix flame impinging on the liquid surface of a distilled water bath, producing carbon-based films on the liquid surface
Invention Summary:
The production of thin, carbon-based films on liquid surfaces often leaves behind MgO impurities, requires additional purification steps, and is reliant on the use of substrates,...
Published: 10/21/2024
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Inventor(s): Stephen Tse, Chuiyuan Meng, Bernard Kear
Keywords(s):
Category(s): Technology Classifications > Electronics/Semiconductor, Technology Classifications > Nanotechnology, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Sensors
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XO-Dontia: Invisible tooth markings for increasing tooth-accuracy in dental procedures
(Left) Teeth marked with XO-Dontia under normal light exposure. (Right) The same, marked teeth when exposed to black, UV light.
Invention Summary:
Dentists use tooth numbering systems in order to mark, on referral forms and patient records, the exact teeth that must be removed via dental extractions. However, tooth numbering systems differ...
Published: 7/19/2024
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Inventor(s): Michael Conte, Nathalie Lota
Keywords(s): Polymers & Composites
Category(s): Technology Classifications > Dental, Technology Classifications > Healthcare & Life Sciences, Technology Classifications > Polymers/Composites/Materials
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Upcycling Polypropylene into Carbon-based Nanomaterials
Fig. 1. Scheme on invention: from polypropylene pellets to carbon-based nanomaterials with graphitic structure. Left: PP raw materials. Right: X-ray photoelectron spectroscopy of PP, graphite, and CDs from different reaction temperature. Inset: 6.5 μm * 5.25 μm image of carbon dots under dark-field scattering mode with microscopy....
Published: 6/13/2024
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Inventor(s): Yongqi Yang, Deirdre O'carroll
Keywords(s):
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials
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Novel Sargassum-Based Polymer Composite Filaments for 3D Printing
Examples of prints made with Sargassum-loaded filament
Invention Summary:
As a direct effect of ocean warming and nutrient enrichment, tons of brown macroalgae known as sargassum, have been accumulating on shores throughout...
Published: 12/9/2024
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Inventor(s): David Salas-De La Cruz, Omar Movil-Cabrera
Keywords(s):
Category(s): Technology Classifications > Ag Biotech, Technology Classifications > Agriculture, Technology Classifications > Biomaterials, Technology Classifications > Consumer & Household Goods, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials
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In situ formation of 2D nanoparticles within elastomers for electromechanical sensing and flexible pressure pad
Adding graphite and elastomer to batch mixer for in situ exfoliation
Invention Summary:
It has been known that a material’s electrical, mechanical, and chemical properties can be enhanced with the addition of graphene nanoparticles. Typically, the nanoparticles are created separately from the bulk material and are injected into...
Published: 6/19/2024
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Inventor(s): Jennifer Lynch-Branzoi, Ali Ashraf, Ashiqur Rahman, Nazmul Islam
Keywords(s):
Category(s): Technology Classifications > Nanotechnology, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Sensors, Technology Classifications > Polymers/Composites/Materials
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Elastomeric Polyurethane Sealer
New root canal sealer can more thoroughly fill gaps during root canal treatment compared to commercial sealants.
Invention Summary:
Root canal sealers are essential for filling gaps during treatment, but shrink upon setting, leaving undesirable gaps that promote infections.
Rutgers University researchers have developed Elastomeric Polyurethane...
Published: 4/25/2024
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Inventor(s): Mohammad Ali Saghiri
Keywords(s): Polymers & Composites
Category(s): Technology Classifications > Dental, Technology Classifications > Medical Devices, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Healthcare & Life Sciences
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