Big Picture Big Sound
By Chris Chiarella
October 23, 2009
The TRU LEDs of the VF551XVT are plentiful, and addressable by zone, for blacks like you've probably never seen on LCD before.
Someone figured out that if we want a dark area of the screen to be really dark, we should try turning off the backlight behind it. And then they figured out a way to do it. The VIZIO VF551XVT LCD HDTV packs 960 white LEDs grouped into 80 independent "Smart Dimming" segments that can be brightened, dimmed or switched off completely as need be. As a secondary bonus, LEDs are inherently more energy-efficient than CCFLs, so if some of them are turning off intermittently while we watch, the electricity savings increase even further.
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