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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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Highly Soluble and Eco-friendly Luminescent Hybrid Material for Lighting Phosphors
CuX-based AIO-type hybrid luminescent materials incorporating ionic and coordinate bonds
Invention Summary:
Copper Halide (CuX) based inorganic-organic hybrid luminescent materials (HLMs) are low-cost, non-toxic, highly stable, and offer strong luminescence with internal quantum yield of...
Published: 11/7/2024
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Inventor(s): Jing Li, Wei Liu, Kun Zhu
Keywords(s): LEDs, Photonics and photovoltaics
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials
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Stable phosphorescent OLEDs for lighting applications
Novel OLEDs with higher photoluminescence stability
Invention Summary:
Organic light-emitting diodes (OLEDs) are an emerging display and lighting technology, especially for large area and architectural lighting. Phosphorescent OLEDs are very energy efficient, besides, they don’t suffer from the “green gap” in their emitting spectra...
Published: 6/13/2024
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Inventor(s): Deirdre O'carroll
Keywords(s): LEDs, Photonics and photovoltaics
Category(s): Technology Classifications > Electronics/Semiconductor, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Physical Sciences & Engineering
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