CCFL U shape L shape sprial shape oval shape lights: 1,20,000hrs lifespan; 2,High btrightness; ... is a new lighting sources,firstly used as LCD display since it's have the characteristics of superfine tube ... to be made into all kinds of shape,e.g straight shape,L shape,U shape,ring shape etc.it is also have the ... widely used on advertisement light box,scanistor, and LCD display back lights etc.