Shuji Nakamura is a Japanese-American engineer and inventor known for inventing the blue LED. Along with Isamu Akasaki and Hiroshi Amano, he received the 2014 Nobel Prize in Physics for developing efficient blue LEDs. Blue LEDs enabled the development of bright, energy-saving white light sources by combining blue LEDs with phosphors or using red, green, and blue LEDs. The invention of efficient blue LEDs has led to LED lighting that uses 10 times less energy than incandescent bulbs, providing significant energy savings globally.