This wondrous diagram shows a top-down cutaway view of the right half of an edge-lit LED LCD. The LED (yellow here, because white doesn't show up on a white background) fires along the width of ...

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.

Trying to figure out what an LCD TV or LED TV is? How do they compare to competing technologies? Buying a flat-screen TV can be daunting -- not only do you have settle on a brand and screen size ...