Comparison of iPad pixel densities. From top: iPad without Retina, iPad with Retina, iPad mini.
The fresh rumors come from Taiwanese publication DigiTimes, which cited sources from the backlighting industry as saying Apple's next-gen iPad mini will boast a higher resolution display. It is not yet clear if the 7.9-inch tablet will feature a screen on-par with current Retina offerings, but "market observers" said a HiDPI display is likely the next step for the mini.
If the rumors are true, the next-generation tablet will move to a resolution of 2,048 by 1,536 pixels, which would yield a higher pixel density than the full-size iPad's 264 ppi due to the discrepancy in screen size.
Sources also said Apple will be modifying the 9.7-inch iPad's existing LED backlighting system, going from dual light bars to one in an effort to cut weight and slim down the tablet's profile.
Although DigiTimes has a spotty record when it comes to forecasting upcoming Apple products, the publication's sources in the display industry are a bit more reliable. In October, it correctly noted that AU Optronics would be tapped as a suppler of the current generation of iPad mini displays, while a second report said weak yields were delaying the release of the iPad mini, 13-inch MacBook Pro with Retina display and the new iMac.