IEEE Spectrum Archives | The American Ceramic Society

IEEE Spectrum

Scientists tackle the mysterious malady of LED “droop”

By / July 30, 2009

At first glance, the light-emitting diode, or LED, beats the venerable incandescent bulb in every way. It’s compact, bright, long-lasting and, in its latest form, can produce a warm, white light. Best of all, it saves more than enough money on electricity to cover the extra cost. But the LED is bedeviled by a problem,…

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