Highly efficient and stable blue quantum dot LEDs for brighter displays without using toxic heavy metals

https://phys.org/news/2025-03-quantum-dot-discovery-brighter-eco.html

"matches or outperforms cadmium-based... 24.7% efficient pure/ vibrant blue light lasting nearly 30,000 hours... atomic level fine-tuning quantum dot structure, reducing light emission interfering defects, uniformity improving brightness/ stability, high color purity... televisions, smartphones, VR headsets, energy-efficient lighting"