A new way to make white and colorful LEDs is more Earth-friendly than existing methods.

A brighter design emerges for low-cost, 'greener' LED light bulbs

By American Chemical Society Jing Li, Ph.D.—— Bio and Archives--October 15, 2014

Global Warming-Energy-Environment | Comments | Back To Full Article

The phase-out of traditional incandescent bulbs in the U.S. and elsewhere, as well as a growing interest in energy efficiency, has given LED lighting a sales boost. However, that trend could be short-lived as key materials known as rare earth elements become more expensive. Scientists have now designed new materials for making household LED bulbs without using these ingredients. They report their development in ACS' Journal of the American Chemical Society.

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