All LCD-based TVs rely on a backlight of some kind to illuminate the liquid-crystal panel itself. The most common use fluorescent backlights, known as CCFL, but a growing number feature LED ...

Initially, LED-based displays like the Samung LN-T4681F were backlit by what's referred to as a "full array" of LEDs behind the LCD, across the back of the panel--just like a standard CCFL ...