According to market research firm IHS iSuppli (via CNET), primary Apple supplier Japan Display Inc. is gearing up to focus its production efforts on Apple’s next-generation iPhone set to be released next month. The firm is currently a major supplier of displays for the iPhone 5, joining fellow Japanese company Sharp and South Korean electronics manufacturer LG in handling Apple's production needs. A report earlier this year stated that Apple had sent orders for LCD panels for the iPhone 5S to all three companies in June. "JDI is focusing on [production] volumes for the next iPhone l