A liquid crystal tv uses cold cathode fluorescent lights (CCFLs) and where a LED TV is a quite LCD tv that uses light-emitting diodes known as LED to backlight the display. A LED is a semiconductor that emits actinic radiation once an electric current passes through it. The light of a LED TV is monochromatic that happens at one wavelength. LED TVs square measure out there entirely different configurations betting on the place of the LED lights. LED-based LCD televisions square measure more dear however at a similar time offer improved image quality and energy potency.