CCFL U shape L shape sprial shape oval shape lights: 1,20,000hrs lifespan; 2,High btrightness; 3,B/R/ ... /W/P colors. CCFL is the abbreviation of Cold cathode fluorescent lamp,it is a new lighting sources,firstly used as ... advantages of long lifetime,excellent color rendering index,well -distributed lights, widely used on advertisement light box,scanistor, and LCD display ...