A deposition apparatus includes a deposition source containing a deposition material, the deposition source including a center area between two outer areas along a first direction, and a plurality of spray nozzles arranged on the center area of the deposition source along the first direction, the plurality of spray nozzles being configured to spray the deposition material toward a surface substrate, wherein the spray nozzles include first and second spray nozzles, the first spray nozzles having terminal ends thereof parallel to and facing the surface of the substrate, and the second spray nozzles having terminal ends thereof at an oblique angle with respect to the surface of the substrate.