Display device and manufacturing equipment thereof

A Manufacturing equipment comprising:

• a first mask configured to deposit a first material on each of unit areas of a working substrate;
• and a second mask configured to deposit a second material on each of the unit areas of the working substrate, wherein the first mask comprises a first mask sheet comprising first elements and second elements, and the first elements and the second elements define a plurality of first deposition openings corresponding to the unit areas, the second mask comprises a second mask sheet comprising third elements and fourth elements, and the third elements and the fourth elements define a plurality of second deposition openings corresponding to the unit areas, the first elements and the third elements each extend in a first direction, and the second elements and the fourth elements each extend in a second direction crossing the first direction, on a plane, a concave area is provided in at least each of the first elements or each of the second elements, and on the plane, a convex area is provided in at least each of the third elements or each of the fourth elements at a position corresponding to the concave area.