The Reason Inventors Of Blue LED Won Nobel Prize In Physics (2014)
...because the Blue LED (light emitting diode) does a lot more than you thought! These are the diodes that have been powering your bedroom lamps, smart TV screens, your smartphones, tablets and are likely to provide light to over a billion people around the world in this century. The Nobel Assembly announced the winners of the prize through a press release titled "#-Link-Snipped-#". The Blue LED is indeed kind of a 'big deal'; big enough to earn its inventors Isamu Akasaki, Hiroshi Amano and Shuji Nakamura the Nobel Prize - typically given to the inventors whose inventions have greatest positive impact on the mankind.
There are few important points about the blue LEDs that every human should know - first, they made the energy efficient white LED lamps possible. While the regular bulbs emit light at 16 lumen/Watt and fluorescent lights do it at 70 lumen/W; the LEDs beat them at their own game with 300 lm/W!
The Nobel Assembly also acknowledges that LEDs have the power to provide illumination in areas where light is obtained from burning kerosene, candles and open fire. The solar powered LEDs could offer much better illumination without polluting the environment. But the goodness of blue LEDs doesn't stop there. The ultraviolet LEDs, made possible only by the blue LEDs can help sterilize polluted water. UV light is known to destroy the DNA of the various waterborne viruses, bacteria and several harmful microorganisms.
The LEDs allow their color to be controlled by computers and several studies have shown that different parts of the light spectrum can influence the growth of plants. It means that LEDs have the capability of providing much more controlled and efficient light in the greenhouses - allowing us to control the overall growth of the plants. Though LEDs are just about 20 year old, they have influenced human life in a big way.
Source: #-Link-Snipped-# (Official)
There are few important points about the blue LEDs that every human should know - first, they made the energy efficient white LED lamps possible. While the regular bulbs emit light at 16 lumen/Watt and fluorescent lights do it at 70 lumen/W; the LEDs beat them at their own game with 300 lm/W!
The Nobel Assembly also acknowledges that LEDs have the power to provide illumination in areas where light is obtained from burning kerosene, candles and open fire. The solar powered LEDs could offer much better illumination without polluting the environment. But the goodness of blue LEDs doesn't stop there. The ultraviolet LEDs, made possible only by the blue LEDs can help sterilize polluted water. UV light is known to destroy the DNA of the various waterborne viruses, bacteria and several harmful microorganisms.
The LEDs allow their color to be controlled by computers and several studies have shown that different parts of the light spectrum can influence the growth of plants. It means that LEDs have the capability of providing much more controlled and efficient light in the greenhouses - allowing us to control the overall growth of the plants. Though LEDs are just about 20 year old, they have influenced human life in a big way.
Source: #-Link-Snipped-# (Official)
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