Isamu Akasaki and Hiroshi Amano of Japan and US scientist Shuji Nakamura today won the Nobel Prize in physics for the invention of blue light-emitting diodes, a new energy efficient and environment-friendly light source
Stockholm: Isamu Akasaki and Hiroshi Amano of Japan and US scientist Shuji Nakamura today won the Nobel Prize in physics for the invention of blue light-emitting diodes, a new energy efficient and environment-friendly light source.
The Royal Swedish Academy of Sciences said the invention is just 20 years old, "but it has already contributed to
create white light in an entirely new manner to the benefit of us all."
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California University Professor Shuji Nakamura. Photo: AFP
Akasaki, 85, is a professor at Meijo University and distinguished professor at Nagoya University. Amano, 54, is
also a professor at Nagoya University, while the 60-year-old Nakamura is a professor at the University of California, Santa Barbara.
The laureates triggered a transformation of lighting technology when they produced bright blue light from semiconductors in the 1990s, something scientist had struggled with for decades, the Nobel committee said.
Using the blue light, LED lamps emitting white light could be created in a new way.
"As about one fourth of world electricity consumption is used for lighting purposes, the LEDs contribute to saving the Earth's resources," the committee said.
Nakamura, who spoke to reporters in Stockholm over a crackling telephone line after being woken up by the phone call from the prize jury, said it was an amazing, and unbelievable feeling.
US-British scientist John O'Keefe yesterday split the Nobel Prize in medicine with Norwegian couple May-Britt Moser
and Edvard Moser for breakthroughs in brain cell research that could pave the way for a better understanding of diseases like Alzheimer's.
The Nobel award in chemistry will be announced tomorrow followed by the literature award on Thursday and the Nobel
Peace Prize on Friday.
The economics prize will be announced next Monday, completing the 2014 Nobel Prize announcements.
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