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A new light to illuminate the world.<\/em><\/p>\n With this slogan Tuesday, October 07, 2014 was awarded with the Nobel Physics Prize Isamu Akasaki, Hiroshi Amano<\/strong> and Shuji Nakamura<\/strong>, the three Japanese scientists who invented the efficient diodes that emit blue light<\/strong>, the first version of the most commonly known: LED. The invention is dated in the early 1990s<\/strong> while working on some semiconductors. The red and green LEDs were already available in early 1970s, but without a blue light source the possibility of creating a white light was a dream<\/p>\n With their work, they have not only revolutionized the field of lighting<\/strong>, enabling the creation of a more economical<\/strong> and efficient<\/strong> lighting system, but they have also taken the first step to the latest technologies in the latest televisions generations.<\/p>\n The discovered of the White Led Lights, thanks to the three Japanese researchers, have opened the way to brilliant, durable<\/strong> and efficient<\/strong> light sources.<\/p>\n “With the advent of the Led, more and more widespread, we now have more efficient and durable alternatives to the old light sources”,<\/em> said the jury members of the Stockholm Award. These light sources have been continually improved over the years, providing an ever-increasing luminous flux<\/strong> with the same electrical consumption.<\/p>\n The recently developed LED lamps have a record efficiency of almost 20 times compared to the electric bulb and 4 times that of a neon lamp.<\/p>\n This result in significant savings<\/strong> on a global scale, if we consider that a quarter of world electricity is used for lighting.<\/p>\n
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