Toshiba just fired its own salvo in the pixel density wars at SID 2011. The company is showing off a range of LCDs for cellphones that top out at an almost imperceptibly fine 367ppi on its 4-inch HD (720 x 1280) model. Beyond just cramming more red, green, and blue dots in each inch, these panels also top the bar-setting Retina Display in the contrast department with an impressive 1,500:1 ratio. The company also brought a smaller 3.3-inch screen with a resolutio
