The present inversion provides an organic display device comprising at least infrared display pixel, the infrared display pixel includes a transparent substrate which is deposited with a first electrode layer, an infrared organic light emitting layer and a second electrode layer thereon, and the infrared organic light emitting layer is filled with an infrared light emitting material. The present invention can allow the organic display device to carry out large area of infrared display; and the present invention uses the flexible transparent substrate, so as to conveniently use and carry the organic display device.