SPRAY COATING UNIT AND COATING SYSTEM USING SAME

摘要

Disclosed are a spray coating unit and a coating system using same. A spray coating unit, according to an embodiment of the present invention, comprises: a first spray unit for forming a first coating solution into droplets and then transporting same; a second spray unit for forming a second coating solution into droplets and then transporting same; and a discharge unit, which is connected to the first and second spray units by means of first and second connecting tubes, for mixing the droplets that have been delivered from each spray unit, respectively, and then discharging same onto a substrate by means of a spray tube, wherein a center tube, through which a pressure regulating gas is discharged, is provided inside the discharge unit such that the discharge pressure of the droplets being discharged by means of the spray tube is regulated.