Patent ID: 8968477
Filing Date: 2015-03-03
Classification: C23C,H01L

Abstract:
1. A deposition mask, comprising: a planar portion; and unit masks, each unit mask comprising: wherein: the first and second openings are configured to permit deposition of an organic emission layer on a substrate of an organic light emitting display; the first and second indentations are disposed on a side of the planar portion configured to face the substrate; the first and second indentations are configured to cover a previously deposited organic emission layer being disposed within the indentation; the previously deposited organic emission layer is formed in a sub-pixel; the first and second indentations are indented from the surface facing the substrate to a depth greater than a thickness of the previously deposited organic emission layer and less than half of a thickness of the deposition mask; a shape of the first opening is different from a shape of the second opening; and the first and second rows are spaced laterally apart from each other.