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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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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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IoT-enabled Smart Ionizer air purifier system for protection against viral infections
3D printed and image-rendered prototype of the Smart Ionizer device.
Invention Summary:
Portable ionizers have been used on the market as air purifiers for the mitigation of viral infections and pollutants in the air. The production of positive or negative ions in the air can attach to negatively and positively-charged viruses in the air,...
Published: 10/7/2024
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Inventor(s): Banmali Banerjee, Vaishali Singhal, Rithika Sriram, Muhammad Khan, Sabarinath Ramachandran, Jihao Yang, Pranav Tripathi
Keywords(s):
Category(s): Technology Classifications > Consumer & Household Goods, Technology Classifications > COVID-19, Technology Classifications > Electronics/Semiconductor, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Sensors, Technology Classifications > Software & Algorithms, Technology Classifications > Telecommunications & Networking
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Proximity Doping for Silicon Structures
Long-term passivation stability of Phosphorus-doped polysilicon samples
Invention Summary:
In semiconductor industries, Spin-on-dopants (SOD) are being used as an alternative to conventional solution for forming doped poly-Si junctions and homogeneously diffused junctions. However, SOD also has its own limitation; Organic residues remained...
Published: 9/16/2024
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Inventor(s): Ngwe Zin, Vibhor Kumar, Munan Gao
Keywords(s):
Category(s): Technology Classifications > Electronics/Semiconductor, Technology Classifications > Energy & Battery, Technology Classifications > Physical Sciences & Engineering
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ESMM Biosensor for Personalized Phagocytosis Quantification in Infections
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A) Biosensor cross-sectional schematic demonstrating phagocyte with microparticles through sensing region B) Corresponding bipolar pulse generated with each passage of the cell C) Top view of biosensor where magnetic is placed on side to generate field and to modulate the cell speed
Invention Summary:
Point-of-care biomedical technologies...
Published: 5/8/2024
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Inventor(s): Umer Hassan, Corey Norton
Keywords(s): Biosensor
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Electronics/Semiconductor
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Flexible Electronics and Sensors from Ion-Containing Polysaccharides
Top - The initial shape-fixing ratio of the cellulose polymer.
Bottom- The shape-recovery ratio of the cellulose polymer after one week at room temperature.
Invention Summary:
Sustainable materials have become attractive to reduce carbon footprint. Cellulose is a biobased material that is renewable and economical. Recent discoveries...
Published: 6/13/2024
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Inventor(s): David Salas De La Cruz, Kevin Miller
Keywords(s):
Category(s): Technology Classifications > Biomaterials, Technology Classifications > Electronics/Semiconductor, Technology Classifications > Energy & Battery, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Sensors
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Time Varying Metamaterial-Enabled Directional Modulation Schemes for Physical Layer Security in Wireless Communication Links
Simulated bit-error-rate (BER) for the decoding performance of a receiver corresponding to a proposed transmission scheme.
Invention Summary:
With continuing advancements in wireless communication systems and emerging applications of Internet-of-Things (IoT) devices, there is an urgent need to develop physical-layer (PHY) focused...
Published: 10/21/2024
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Inventor(s): Waheed Bajwa, Narayan Mandayam, Chung-Tse Wu, Shaghayegh Vosoughitabar, Alireza Nooraiepour
Keywords(s): Cybersecurity, Networks, Wireless
Category(s): Technology Classifications > Telecommunications & Networking, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Electronics/Semiconductor
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A New Design Paradigm for Inbody Wireless Charging
Invention Summary:
Each year, millions of patients improve their quality of life through medical implants. However, the implants require batteries which need to be replaced on a regular basis through surgery, introducing extra complications, cost and risk.
Rutgers researchers have developed a system comprised of software-hardware for far-field...
Published: 3/3/2022
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Inventor(s): Richard Howard, Xiaoran Fan
Keywords(s): Cardiovascular, Electronics, Implants, Wireless
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Healthcare & Life Sciences, Technology Classifications > Medical Devices, Technology Classifications > Electronics/Semiconductor, Technology Classifications > Telecommunications & Networking, Technology Classifications > Energy & Battery
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Controllable Quantum Point Junction on the Surface of an Antiferromagnetic Topological Insulator
Depiction of a magnetic domain wall (a) and a step edge (b) on the surface of an antiferromagnetic (alternating black arrows) topological insulator creating quantum wires that can intersect (c) to form a stable quantum point junction (QPJ).
Invention Summary:
Surface and edge-state engineering of topological materials offers great promise for...
Published: 10/21/2024
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Inventor(s): David Vanderbilt, Justin Wilson, Jedediah Pixley, Nicodemos Varnava
Keywords(s): Data Science, Electronics
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Electronics/Semiconductor
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