In response to the latest industry chromaticity standard for solid-state lighting, Edison Opto has introduced the SSL bin groups in accordance to the 8 ranges defined by ANSI C78.377. In this rapid industry, the quality and efficiency of LED applications upgrade from time to time.To qualified and unified all products of LED lightings, many industry standards, including ENERGY STAR, has adopted the ANSI C78.377 bin group guideline to help consumers defined it.