A deposition apparatus, comprising: a deposition source that receives a deposition material; and a plurality of spray nozzles arranged in a first direction at one side of the deposition source and configured to spray the deposition material at a substrate facing the plurality of spray nozzles, wherein: the deposition source includes a center area and outer areas, the outer areas being at respective end regions of the center area with reference to the first direction, and the spray nozzles include first spray nozzles arranged in each outer area and directed from the deposition source, a surface forming an end of the first spray nozzles forming a first inclination angle with a substrate surface in the first direction; further wherein a center of the substrate in the first direction and a center of the deposition source in the first direction are aligned, and the center area of the deposition source has a length in the first direction satisfying a condition as follows: L 1 = 2 T tan θ − L 2 wherein L1 is the length of the center area in the first direction, L2 is a deposition area length of the substrate in the first direction, T is the shortest distance between the substrate and an end of the spray nozzles, and θ is the first inclination angle; further wherein the first inclination angle is in a range of 25 - 35 degrees, wherein the first spray nozzles are extending and inclined outwardly, further wherein second spray nozzles arranged at the center area extend toward the deposition source such that a surface forming an end of the second spray nozzles has a second inclination angle in the first direction with respect to the substrate surface, and the second inclination angle is smaller than the first inclination angle. a deposition source that receives a deposition material; and a plurality of spray nozzles arranged in a first direction at one side of the deposition source and configured to spray the deposition material at a substrate facing the plurality of spray nozzles, wherein: the deposition source includes a center area and outer areas, the outer areas being at respective end regions of the center area with reference to the first direction, and the spray nozzles include first spray nozzles arranged in each outer area and directed from the deposition source, a surface forming an end of the first spray nozzles forming a first inclination angle with a substrate surface in the first direction; the deposition source includes a center area and outer areas, the outer areas being at respective end regions of the center area with reference to the first direction, and the spray nozzles include first spray nozzles arranged in each outer area and directed from the deposition source, a surface forming an end of the first spray nozzles forming a first inclination angle with a substrate surface in the first direction; further wherein a center of the substrate in the first direction and a center of the deposition source in the first direction are aligned, and the center area of the deposition source has a length in the first direction satisfying a condition as follows: L 1 = 2 T tan θ − L 2 wherein L1 is the length of the center area in the first direction, L2 is a deposition area length of the substrate in the first direction, T is the shortest distance between the substrate and an end of the spray nozzles, and θ is the first inclination angle; further wherein the first inclination angle is in a range of 25 - 35 degrees, wherein the first spray nozzles are extending and inclined outwardly, further wherein second spray nozzles arranged at the center area extend toward the deposition source such that a surface forming an end of the second spray nozzles has a second inclination angle in the first direction with respect to the substrate surface, and the second inclination angle is smaller than the first inclination angle. wherein L1 is the length of the center area in the first direction, L2 is a deposition area length of the substrate in the first direction, T is the shortest distance between the substrate and an end of the spray nozzles, and θ is the first inclination angle; further wherein the first inclination angle is in a range of 25 - 35 degrees, wherein the first spray nozzles are extending and inclined outwardly, further wherein second spray nozzles arranged at the center area extend toward the deposition source such that a surface forming an end of the second spray nozzles has a second inclination angle in the first direction with respect to the substrate surface, and the second inclination angle is smaller than the first inclination angle.