Adding yellow to an RGB LCD TV
Subject: Displays | August 16, 2010 - 01:25 PM | Jeremy Hellstrom
You've probably all seen George Takei trying to sell you the new Sharp Aquos with added yellow pixels, instead of the usual RGB array that all other TVs use. ExtremeTech had a chance to see this $3000 52" LED TV in action as well as to check out a few of the extras the TV has, like the ability to stream certain online content through Aquos Net. Viewing movies and TV in both SD and HD showed that this is a well crafted TV with a decent brightness and good picture quality. When it came time to determine if the fourth colour added enough to the TV to justify the extra price, the decision did not fall in Sharps favour.
"When I attended Sharp's quad-pixel press demo earlier this year, I was impressed with the
overall picture and uniform brightness of the Quattron HDTVs on display. Still, I couldn't help
but wonder how the addition of a fourth (yellow) pixel would affect color accuracy. As it turns
out, the Aquos 52-LE820UN ($2,999.99 list), a 52-inch edge-lit LED HDTV with a decidedly
different cabinet design, performed admirably on our color and contrast tests. It also aces
energy efficiency and both high- and standard-definition picture quality is impressive. On the
flip side, a very high price, limited Web apps, and a narrow viewing angle are tough to
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