quarta-feira, 8 de outubro de 2014

Nobel Prize of Physics for inventors of the blue LED

"Incandescent bulbs lit the TWENTIETH century; the 21ST century will be illuminated by LED light bulbs, "said the Nobel jury.

The light-emitting diodes (LED â€" Light Emitting Diode, in English) red and green already existed for some time, but it was with the invention, in the early 90, blue LED, which opened the door to creation of LED bulbs that emit white light.

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