And what's the difference between LCD and OLED? There are a number of brightness-related details you should know before buying a phone, all of which I'm going to help you sort out in a hurry.

The advantages of an OLED unit include much darker blacks, brighter whites and a higher contrast ratio than an LCD or plasma screen TV.

The advantages of an OLED unit include much darker blacks, brighter whites and a higher contrast ratio than an LCD or plasma screen TV.

While they're not the fanciest or newest tech, LCD and LED TVs are still pretty common and usually inexpensive. Is one better than the other, though?