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| US Nobel Winner Sees 'Dream of LED |
| US Nobel Winner Sees 'Dream of LED Lighting' Become Reality
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| UNITED STATES OF AMERICA
, 7-October-2014
12:47:35 PM |
| US-based researcher Shuji Nakamura, one of three scientists to win the Nobel Prize on Tuesday for Physics, said he was delighted to see his "dream of LED lighting" become a reality.
The three researchers invented the LED lamp when they produced bright blue beams from semiconductors in the early 1990s, triggering a transformation in lighting technology.
Nakamura, a Japanese-born US national, won the award alongside Japanese scientists Isamu Akasaki and Hiroshi Amano.
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"I am very honored to receive the Nobel Prize," said Nakamura, a professor of materials and electrical and computer engineering at the University of California, Santa Barbara.
"I hope that energy-efficient LED light bulbs will help reduce energy use and lower the cost of lighting worldwide," he added.
Nakamura is the sixth UCSB faculty member to have won a Nobel Prize since 1998.
"By making it possible to bring affordable, energy-efficient LED lighting to developing countries, Professor Nakamura has also made a tremendous humanitarian contribution to our world," UCSB Chancellor Henry Yang said.
LED lamps emit a bright white light, last for tens of thousands of hours and use just a fraction of energy of the incandescent lightbulb pioneered by Thomas Edison in the 19th century.
"It is very satisfying to see that my dream of LED lighting has become a reality," Nakamura said.
The most advanced LED lamps now consume nearly 20 times less electricity than regular light bulbs and their performance is improving.
Red and green diodes have been around for a long time -- but without blue light, white lamps were impossible.
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