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India’s AMCA Programme Takes Flight: A Stealth Leap into the Future of Air Combat

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In a major leap toward self-reliance in defense technology, India is set to develop its very own fifth-generation fighter jet—the Advanced Medium Combat Aircraft (AMCA) . In a historic move, Defence Minister Rajnath Singh has approved an innovative execution model for the indigenous stealth fighter programme. This model brings together Hindustan Aeronautics Limited (HAL) and private industry players in a competitive framework, marking a significant shift in how India approaches military aviation manufacturing. This bold initiative comes at a critical time, as China has already fielded two fifth-generation fighters , and reports indicate it will supply 40 J-35 stealth jets to Pakistan . Against this backdrop, fast-tracking the AMCA has become an urgent national security imperative. AMCA: India’s Indigenous Stealth Fighter Dream The AMCA project , spearheaded by the Aeronautical Development Agency (ADA) under the Defence Research and Development Organisation (DRDO) , received its l...

Perovskite LEDs (PeLEDs): A Breakthrough in Next-Generation Lighting

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Perovskite LEDs (PeLEDs): A Breakthrough in Next-Generation Lighting


A novel technique has been discovered to enhance Perovskite Light Emitting Diodes (PeLEDs), making them a promising technology for energy-efficient, durable, and high-performance optoelectronic devices.

What are Perovskite LEDs (PeLEDs)?

PeLEDs are emerging light-emitting technologies that combine the benefits of Organic LEDs (OLEDs) and Quantum Dot LEDs (QLEDs) while addressing their key limitations.

Advantages of PeLEDs over OLEDs & QLEDs

High efficiency – Offers superior light output with minimal energy consumption.
Better stability – Less sensitive to heat, moisture, and environmental degradation.
Enhanced color purity – Delivers vibrant, stable colors with minimal shift over time.
Cost-effective – Uses low-cost solution processing, making large-scale production feasible.

How PeLEDs Compare with OLEDs & QLEDs?

TechnologyKey FeatureChallenges
OLEDs (Organic LEDs)Uses organic thin films for light emission.Expensive & less stable over time.
QLEDs (Quantum Dot LEDs)Utilizes quantum dots for high color accuracy.Sensitive to moisture & temperature.
PeLEDs (Perovskite LEDs)Combines the best of both OLEDs & QLEDs while improving efficiency and durability.Still under research for commercial viability.

Why PeLEDs Are the Future?

✔ Revolutionizing Displays – Can be used in next-gen TVs, smartphones, and flexible screens.
✔ Advanced Lighting Solutions – High-efficiency lighting for homes, offices, and automotive industries.
✔ Eco-Friendly & Sustainable – Reduces energy consumption and lowers production costs.

The Path Forward

Researchers are continuously improving PeLED materials and device structures to achieve commercial scalability. With ongoing advancements, PeLEDs could soon replace OLEDs and QLEDs in display and lighting applications.











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