On its own, an LED is very simple: voltage is applied to a semiconductor diode, and it lights up. An LED display, meanwhile, combines this simple notion with the existing principles of an LCD.

Even homegrown brands like Onida, Videocon, Weston and Panorama, who are trying to make a sincere comeback, are betting big on LCD and Plasma. Onida recently launched its LED range from Rs 19,490 ...

An LED TV, as we've mentioned, provides a much deeper and more vibrant picture than an LCD TV, so it naturally costs a bit more, around $100 to $300 or more depending on the size.