The latest iPad mini leak reportedly shows the device’s LCD screen, which has the same 4:3 aspect ratio of the standard iPad and is nearly 8” long diagonally, measuring roughly 162 mm x 124 mm. Photos of the new screen were posted at ETrade Supply. Some prior reports suggested the iPad mini might have a 16:9 or 3:2 aspect ratio, closer to an iPhone or iPod touch, and though casing leaks have suggested that the screen ratio might not be…