Filed under: Cellphones, DisplaysAU Optronics isn't messing around when it comes to improving the displays that you're forced to look at each time that boss / SO / telemarketer rings you up, and just months after developing a screen with a sub-one-millimeter border, the firm is now tooting its horn again after crafting what it calls the "world's thinnest 1.9-inch mobile device panel." The unit measures in at just 0.