Carbon nanotubes can replace LEDs

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POSTER: computer news   ||   CARBON NANOTUBES CAN REPLACE LEDS	DATE:2014-10-18
Carbon nanotubes, which in the future may replace conventional silicon semiconductors can also be used in the composition of the light source instead of LEDs.  A group of researchers from the University of Tahoka Japanese, headed by Professor Norihiro Shimo managed to get a flat light source with power consumption only 0.1 watts - a hundred times smaller than that of the LED counterpart. The device is somewhat similar to the picture tube.  There phosphorescent screen disposed in the vacuum cavity, and nanotubes, which serve as the positive electrode.  Under the influence of the electric field  the nanotube becomes a source of electron beams, which, falling on the screen, make it glow. Luminance efficiency obtained by Japanese scientists of the light source up to 60 lumens per watt.  They lose in comparison with conventional LEDs, that of which can reach hundreds of lumens per watt, but the LEDs are superior from organic materials with an efficiency of 40 lumens per watt. As noted, the process of production of light sources based on carbon nanotubes is quite simple and has low cost.   Related Products :

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