Technology Fact Sheets; don’t stand in your way of valuable knowledge!
This page contains links to fact sheets describing solid-state lighting, its characteristics, applications, and issues relating to its successful introduction into the marketplace.
LED Basics
- Comparing White Light LEDs to Conventional Light Sources
Compares current LED products to conventional lighting on the basics: energy efficiency, life, lumen depreciation, light output/distribution, and color quality (4 pages, October 2008) - Color Quality of White LEDs
Review of basics regarding light and color; summary of the most important color issues related to white light LEDs, including recent advances (2 pages, January 2008) - Thermal Management of White LEDs
Review of the role of heat in LED performance, and methods for managing heat in LED system design (2 pages, June 2009) - Energy Efficiency of White LEDs
Overview of lighting energy efficiency in general, and the rapidly evolving status of white LEDs (2 pages, June 2009) - Lifetime of White LEDs
Overview of lumen depreciation, measurement of LED useful life, and features to look for in evaluating LED products (2 pages, September 2009) - LED Frequently Asked Questions
What retailers, energy efficiency advocates, and consumers need to know to make informed buying decisions (2 pages, May 2011)
LED Application Series
- LED Application Series: LED Replacements for Four-Foot Linear Fluorescent Lamps
Comparison of LED linear replacement lamps to fluorescent lamps in terms of light output, distribution, color quality, energy efficiency, and cost-effectiveness. (4 pages, May 2011) - LED Application Series: Light at Night and Human Health
Discussion of potential health implications of light at night (LAN) exposure and how it may affect lighting practice and design (2 pages, January 2010) - LED Application Series: LED Replacements for Incandescent Omnidirectional Lamps
Overview of white-light LED replacement lamps, and how they compare to traditional incandescent omnidirectional lamps (4 pages, October 2009) - LED Application Series: Recessed Downlights
Comparison of the energy and lighting performance of downlights using different light sources (2 pages, January 2008) - LED Application Series: Portable Desk/Task Lighting
Description of LED desk/task lighting application and comparison with fixtures using traditional light sources (2 pages, February 2008) - LED Application Series: Kitchen Undercabinet Lighting
Overview of the advantages and disadvantages of using LEDs in under cabinet lighting products (2 pages, February 2008) - LED Application Series: Outdoor Area Lighting
Review of the concerns and potential for LED luminaires in outdoor area lighting applications (6 pages, June 2008) - LED Application Series: Using LEDs to Their Best Advantage
Exploration of the unique attributes of LEDs, which may make them the right choice for some applications (4 pages, January 2008) - LED Application Series: Dimming LEDs
Overview of dimming technology and the prospects for dimming LEDs in residential applications (2 pages, February 2008)
LED Measurement Series
- LED Measurement Series: Color Rendering Index and LEDs
Discussion of the use of the color rendering index with LEDs, while a revised color quality metric is being developed (2 pages, January 2008) - LED Measurement Series: Solid-State Lighting Standards
Review of the key performance and safety standards applicable to LED-based lighting products (2 pages, September 2009) - LED Measurement Series: Luminaire Efficacy
Overview of luminaire efficacy and the technical reasons for its applicability to LED-based lighting fixtures (2 pages, September 2009) - LED Measurement Series: LED Luminaire Reliability
Outline of the issues concerning long-term performance and reliability of LED luminaires, and suggestions for interpreting LED product life claims (4 pages, October 2009) - LED Measurement Series: Understanding Photometric Reports for SSL Products
Overview and discussion of typical elements in IES LM-79 photometric reports for LED luminaires and LED integral replacement lamps (4 pages, June 2009)
LED Performance Specification Series
- LED Performance Specification Series: T8 Replacement Lamps
Provides benchmark information on fluorescent T8 lamps and a suggested minimum performance specification for LED T8 replacement lamps (2 pages, April 2010)
Related articles
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