Patent ID: 11939659
Assignee: DAI NIPPON PRINTING CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 6:
7. A deposition mask group comprising:
a first deposition mask having two or more first through holes; and
a second deposition mask having two or more second through holes,
wherein the first deposition mask includes a first surface and a second surface,
wherein each of the two or more first through holes includes an end portion located on the first surface and an end portion located on the second surface,
wherein a profile of each of the two or more first through holes is a profile of the end portion of each of the two or more first through holes on the first surface,
wherein the two or more first through holes include two or more mask first main areas arranged along a first direction and arranged along a second direction intersecting the first direction and two or more mask first auxiliary areas, each of the two or more first auxiliary areas being located between two of the two or more mask first main areas adjacent to each other in the second direction, each of the two or more mask first auxiliary areas having a dimension smaller than a dimension of each of the two or more mask first main areas in the second direction,
wherein the two or more second through holes are arranged along the first direction and the second direction,
wherein the dimensions of each of the two or more mask first main areas and the mask first auxiliary area are determined based on the profile of the end portion of each of the two or more first through holes on the first surface, and
wherein each of the two or more mask first auxiliary areas extends to partly overlap two of the two or more second through holes adjacent to each other in the first direction when the first deposition mask and the second deposition mask are overlapped.