Light Emission Technology (LET) Inc, a USA company, was established in 1998 and is the pioneering leader in solid state lighting (SSL) including LED technologies, LED light sources and fixtures. Our mission is to create a cleaner, greener, healthier environment by developing more energy efficient LED solid state lighting solutions. With the signing of the landmark Energy Policy Act of 2005, the US as well as many other nations launched the investment of resources for energy conservation. The potential contribution of solid state lighting in the overall effort is massive . A 2001 department of energy study estimated cumulative savings of $98 billion by 2020 once LED lighting reaches the performance crossover with conventional light sources.