The CALiPER test results for LED lighting products recently published by the Department of Energy (DOE) provide an interesting status check of the state of the fledgling solid-state lighting industry.
Some LEDs in the DOE Energy Efficiency & Renewable Energy program’s CALiPER tests outperformed existing light sources like compact fluorescents and incandescent PAR lamps, while an amazing 50 percent didn’t even meet their manufacturers’ published marketing claims.
The fact t
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