Apple Insider reports that Hitach and Sony are reported to have teamed up to supply Apple with 4-inch LCD displays for an unspecified iOS device that will hit the market in 2012.

Citing sources within Apple's Far Eastern supply chain, macotakara.jp claims that Hitachi Displays, Ltd. and Sony Mobile Display Corporation have begun shipments of 4-inch LCD panels to Apple for unspecified iOS device due next year.

The two companies are further reported to merge their business with Toshiba Mobile Display Co., Ltd. to form "Japan Display" in 2012 spring.

  Hitach & Sony working with Apple on 4-inch iOS device, iPad 4 to see new display technology