The iPhone 6 and 6 Plus are the first iPhones to use a multiple-domain LCD panel, dubbed "dual-domain pixels", and use a modified polarizer that makes the screen easier to see when wearing polarized sunglasses.The iPhone 6 and 6 Plus are the first iPhones to use a multiple-domain LCD panel, dubbed "dual-domain pixels" for wider viewing angles, and use a modified polarizer that makes the screen easier to see when wearing polarized sunglasses.