CCFL U shape L shape sprial shape oval shape lights: 1,20,000hrs lifespan; 2,High btrightness; ... abbreviation of Cold cathode fluorescent lamp,it is a new lighting sources,firstly used as LCD display ... all kinds of shape,e.g straight shape,L shape,U shape,ring shape etc.it is ... long lifetime,excellent color rendering index,well -distributed lights, widely used on advertisement light box,scanistor, and ...