The debate between LED and LCD has been going on when LED’s hit the computer and TV market. So which is best and what are the main differences between them? The main difference between LED and LCD monitors is the back-light. While the displaying technology of LED and LCD is basically same, LED monitor uses thousand of diodes and the LCD monitor cathode fluorescent lamps as a back-light. While this isn’t the only difference, this is the most important difference between them. In terms of energy efficiency, stability, resolution, image quality, internet connectivity and looking, LED is the winner of LED VS LCD.