The Wall Street Journal is reporting that Apple has placed orders for iPhone displays measuring ëat least 4-inches diagonallyí for its sixth generation iPhone expected in October. Citing ëpeople familiar with the situationí production on the new displays is set to begin next month. Apple is said to be working with LG, Sharp and Japan Display (a newly formed partnership between Sony, Hitachi and Toshiba) on the new screens, which can be expected to be Retina Display-class.