ETNews.com reports that Apple is discontinuing its relationship with AU Optronics to supply display panels for the iPad mini as production on displays for the second-generation models is expected to ramp up in the coming months. According to the report, LG Display is already onboard and Sharp is in solid position given its technological advantage in energy efficiency, while other display manufacturers such as Samsung are competing to replace AU Optronics' production share.LG Display already secured order from Apple. Sharp seems to have no problem in getting approval from Apple as a supplier for iPad mini 2 despite some product quality problems, because it is the only supplier of oxide semiconductor LCD. Oxide semiconductor LCD has an advantage of sa