Technology Industry
Industry: Email Alert RSS FeedQuantum dots light up.(Academic: Emerging Technologies)(Vanderbilt University's hybrid light-emitting diode )(Brief Article)
R & D, January, 2006
A hybrid light-emitting diode (LED) that gives off a warm white light could become the successor to the light bulb. A chemist at Vanderbilt Univ., Nashville, Tenn., discovered that extremely small quantum dots spontaneously produce this broad-spectrum white light.
The researcher illuminated extremely small quantum dots with a laser. He then coated an LED with the quantum dots to produce a white light source, which has a smooth distribution of wavelengths in the visible spectrum and does not give off large amounts of infrared radiation.
* More info: www.vanderbilt.edu
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