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ENERGY STAR for LED Luminaires/Bulb Life Requirements

USA Environmental Protection Agency(EPA) and Department of Energy(DOE) successively released Energy Star and Lighting Facts Standards for LED Luminaires/Bulb from 2010, which makes relevant industry persons have LED Lighting products standard to follow. At present, international LED large manufacturers for LED product Life evaluation and product specification are also on this basis. That is to […]

LISN application

LISN is short for Line Impedance Stabilization Network. LISN is important assistant equipment for EMC test in the power system. It can isolate the disturbance from power grid, provide stability test impedance and pay the role of filtering wave. LISN net is based on filter theory. When spectrum interference is different from the useful signal […]

LED Luminaires Basic Parameters Collection

LED manufacturers must learn some basic luminaries’ parameters such as brightness, spectrum and color temperature and so on as standard to identify pros and cons. We will introduce following LED lighting products normal parameters and tell you how to design and improve LED lighting products. 1. Brightness/Luminance Brightness/luminance L: Luminance is the luminous flux per Unit […]