An apparatus for manufacturing a pattern on a substrate of a display apparatus, the apparatus comprising:
- a deposition mask frame assembly facing the substrate;
- and
- a deposition source facing the deposition mask frame assembly to dispose the deposition mask frame assembly between the substrate and the deposition source,
- wherein the deposition mask frame assembly comprises:
- a frame comprising an opening at a center portion thereof;
- a deposition mask which is installed on the frame to face the substrate, a length of the deposition mask extended in a first direction;
- and
- a support of which a length thereof extends in a second direction crossing the first direction and across the opening of the frame, the support overlapping a portion of the deposition mask and supporting the deposition mask which is installed on the frame,
- wherein the deposition mask is extendable along the first direction thereof by a force applied thereto by a clamp attached to the deposition mask, the deposition mask comprising:
- a deposition pattern unit comprising a plurality of deposition pattern holes through which a deposition material for forming the pattern passes to the substrate;
- and
- a distal end to which the clamp is attached, the distal end extended in the first direction of the deposition mask from the deposition pattern unit to a distal edge of the deposition mask, the distal end comprising:
- a clamping groove open at the distal edge of the deposition mask;
- and
- a dummy pattern unit disposed between the clamping groove and the deposition pattern unit in the first direction of the deposition mask,
- wherein
- the clamping groove and the dummy pattern unit are provided in plural along the second direction, and
- in the first direction of the deposition mask,
- a portion of each clamping groove overlaps a corresponding dummy pattern unit,
- in the second direction of the deposition mask,
- the number of the clamping grooves and the number of the dummy pattern units correspond to each other,
- an area of the distal end at which the portion of distal end does not overlap the corresponding dummy pattern unit defines a first area of the distal end to which a clamp is applied, and
- an area of the distal end at which the portion of each clamping groove overlaps the corresponding dummy pattern unit defines a second area of the distal end.