Now playing: Watch this: Sharp FX Plus (AT&T) 2:08 Attention, Wal-Mart shoppers! Sharp and AT&T …

Editors’ note: This article was updated September 13, 2011. A while ago, I explored what it takes to build a killer smartphone screen–for starters, a highly technical blend of factors like brightness, screen resolution, and color reproduction. While you probably shouldn’t choose your next phone for the screen specs alone, the difference between a good display and a great one …

A software data analysis firm disputed the validity of Google patents sold to HTC in its defense against Apple, although documents show the company may be incorrect in its conclusions. Tyron Stading, founder and chief technology officer of Innography, a software company that pores through data related to intellectual property, said his company’s analysis found that Google may not have …