Light-Emitting Diode or LED is a flat-panel display. An LED panel is a small conventional regular display, or sometimes a small component of a larger display. Even few years ago flat screens or monitors are very expensive and economically and out of the reach of the general mass. But the diodes used to make up a video display process which is known as LED screen. There are basically two types of LED panels available. Conventional which is using discrete LEDs and surface mounted device (SMD).
LED displays are pretty much similar to LCDs as an alternative to fluorescent bulbs they have many light emitting diodes on the panel. Because of that the electricity consumption is very low on LED. The LED monitors are vastly used for personal desktops as well as large display for shopping mall or gallery. On modern technology laptops, tablets etc. high resolution phones like smart phones, I phones, galaxy tab are also use LED screen for better quality.