First LED street lighting (hereinafter referred to as "LED lights") is a hot topic of the Lighting Industry, especially the past three years the number of LED road lights products increased a lot, test data is changing, these data is to evaluate LED street lamp Photometricthe basis of performance and quality. U.S. Department of Energy (DOE) published in SSL luminaires meet ENERGY STAR qualified criteria in the evaluation of LED road lights - Photometric properties provides us with a reference. Technical papers of Chinese lighting network LED lighting.
Correlated color temperature, color space, uniformity, color rendering index given co criterion, the U.S. Department of Energy Energy Star Class A light in August 2008 (the recent call by class B light for the long-term goal), supplementary requirements for minimum light output for outdoor installation of road lighting, ring lumen density, and the the IESNA lamp light distribution classification of the beam uniformity, and lighting energy efficiency benchmarking.
Supplementary requirements to DOE for a Class A LED road lights based on test results based on measurements from 2007 to 2009 to get the 100 led high bay lights, on the status and level of China's LED lights photometric data for analysis, to enhance and improve China's LED the streetlights quality information.
This analysis involves the photometric performance of the LED lights, including the light output of lamps along the road's vertical light distribution along the lateral light distribution of the road, C-90 ° C-270 ° with optical symmetry and beam uniformity and the level of light interception, and also analyzed the energy efficiency of the lamps. This analysis does not involve the color performance and light output of LED road lights to maintain the rate.