Japan Display Inc. A joint Venture between Hitachi, Sony and Toshiba (LCD businesses put together). In November 2012 the company unveiled their first OLED prototype (4.5" 1280x720, 326 ppi, WRGB), using a WRGB architecture (white OLEDs with color filters) and a top-emission device structure. In 2013 JDI unveiled a 5.2" Full-HD OLED panel, using White OLED technology and LTPS backplane. Japan Display Inc.