Importance

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Abstract

A thin film deposition apparatus that is suitable for manufacturing large-sized display devices on a mass scale and that can be used for high-definition patterning, a method of manufacturing an organic light-emitting display device by using the thin film deposition apparatus, and an organic light-emitting display device manufactured by using the method. The thin film deposition apparatus includes: a deposition source that discharges a deposition material; a deposition source nozzle unit disposed at a side of the deposition source and including a plurality of deposition source nozzles arranged in a first direction; a patterning slit sheet disposed opposite to the deposition source nozzle unit and including a plurality of patterning slits arranged in the first direction; a first barrier plate assembly including a plurality of first barrier plates that are disposed between the deposition source nozzle unit and the patterning slit sheet in the first direction, and that partition a space between the deposition source nozzle unit and the patterning slit sheet into a plurality of sub-deposition spaces; and a second barrier plate disposed at one side of the patterning slit sheet, wherein an inner part of the second barrier plate is partitioned into a plurality of spaces by a plurality of barrier ribs.

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First Claim