An apparatus and a method of manufacturing a display apparatus are disclosed. In one aspect, the apparatus includes a chamber and an inorganic layer forming nozzle unit formed in the chamber and configured to form at least one inorganic layer. The apparatus also includes an organic layer forming nozzle unit formed in the chamber and configured to form at least one organic layer, wherein the organic layer forming nozzle unit is arranged substantially in line with the inorganic layer forming nozzle unit. The apparatus further includes a separating nozzle unit formed between the inorganic layer forming nozzle unit and the organic layer forming nozzle unit and configured to spray an inert gas.