Patent ID: 11970763
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 0:
1. A mask frame assembly comprising:
a mask frame comprising an opening; and
a mask stick arranged on the mask frame and comprising:
at least one first mask stick extending in a first direction,
at least one second mask stick extending in a second direction crossing the first direction, and
a plurality of third mask sticks connected to respective ends of the at least one first mask stick and the at least one second mask stick, the at least one first mask stick, the at least one second mask stick and the plurality of third mask sticks defining a plurality of deposition areas,
wherein the at least one first mask stick comprises a first stick and a second stick arranged on the first stick,
wherein the first stick includes a partially-recessed portion into which the at least one second mask stick is mounted,
wherein a thickness of the first stick is greater than a thickness of the second stick,
wherein the at least one first mask stick has a thickness greater than that of the at least one second mask stick, the thickness being a length along a third direction perpendicular to a plane formed by the first direction and the second direction,
wherein the first stick is more than 100 times thicker than the second stick, and
wherein the mask frame further includes a mounting portion surrounding the opening and recessed from a top surface of the mask frame, and insertion grooves which are recessed from the mounting portion.