Suppliers to Apple Inc (AAPL.O) are scrambling to get enough screens ready for the new iPhone 6 smartphone as the need to redesign a key component disrupted panel production ahead of next month’s expected launch, supply chain sources said. It’s unclear whether the hiccup could delay the launch or limit the number of phones initially available to consumers, the sources said, as Apple readies larger-screen iPhones for the year-end shopping season amid market share loss to cheaper rivals. Cupertino, California-based Apple has scheduled a media event for Sept.