U.S. Department of Energy - Energy Efficiency and Renewable Energy

Solid-State Lighting

Frequently Asked Questions About the ENERGY STAR^® Program for Solid-State Lighting

Questions about solid-state lighting (SSL) technology? Take a moment to review the ENERGY STAR criteria and DOE's LED Basics, which includes terminology, explanations of how the technology works, types of LEDs, and other valuable technical information. If you have questions not answered in those documents or in this FAQ, please visit the ENERGY STAR Web site.

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