Phosphors
7 of 12 from Plugging into new lighting technologies (photos)
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GE's lighting research has a group dedicated to developing phosphors, the materials used to modify light so that it's appealing to people. The phosphors in these vials show how different materials produce different-color light. In a fluorescent bulb, for example, phosphors to make red, blue, and green light are combined to create a white light. To the left of the vials is an LED chip, which also requires phosphors to modify the light.
October 22, 2010 10:03 AM PDT
Photo by: Martin LaMonica/CNET
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