Apple is planning to adopt the thin-film touch panels it uses in its iPad mini for its upcoming iPad 5, which is expected to be released later this year, according to a new report.Related StoriesiPhone 6 concept shows ultra-thin design with 'touch anywhere' Home button and 'iSight Pro' cameraAnalysts continue to forecast a 2013 launch for low-cost iPhone, summer arrival for iPhone 6Android Tablets Challenge