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Hiroshi Amano was awarded the Nobel Prize in Physics in 2014 for his groundbreaking work on the development of efficient blue light-emitting diodes (LEDs). These LEDs revolutionized the field of optoelectronics and have applications in various technologies, including energy-efficient lighting, displays, and communication devices. Amano's contributions have significantly advanced the field of solid-state lighting and paved the way for more sustainable and efficient lighting solutions.