mapkinase writes "This year's Millennium Technology Prize was awarded to Prof. Nakamura of Japan, for invention of white, blue and green light emitting diodes." From the article: "His other inventions such as blue LEDs are used in flat-screen displays, while blue lasers are already being exploited in the next generation of DVD player. 'Professor Nakamura's technological innovations in the field of semiconductor materials and devices are groundbreaking,' said Jaakko Ihamuotila, chairman of the Millennium Prize Foundation. The Millennium Technology Prize is the world's largest technology award, equivalent to the Nobel Prizes for science. It recognizes technological developments that have a positive impact on quality of life and sustainable development."