Kerala University secures patent for full-spectrum light-emitting material

Why in news

Researchers at Kerala University secured a patent for a light-emitting material capable of producing a full visible spectrum from a single host material.

Background

The technology utilizes a cuspidine-structured rare-earth gallate compound as a phosphor host. It was developed by researchers Sam Solomon and Divya Vijayan at Kerala University.

Facts for Prelims

• S&TThe patented material produces the full visible spectrum of colors from a single host material.
• S&TThe technology utilizes a cuspidine-structured rare-earth gallate compound as a phosphor host.
• FactApplications include energy-efficient lighting, display technologies, security tools, and medical imaging.

For Mains

Q. Discuss how advancements in phosphor host materials and optoelectronics can contribute to India's goals of energy efficiency and technological self-reliance.

Dimensions to cover in your answer

• Energy efficiency: Reduction in power consumption for large-scale display and lighting infrastructure
• Strategic autonomy: Reducing dependence on imported high-performance optoelectronic components and rare-earth materials

Keywords: Optoelectronics · Phosphor Host · Rare-earth compounds · Energy Efficiency · Intellectual Property

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