Mother substrate for display devices

Abstract

This invention relates to a mother substrate for a display device. This invention enables efficient or high-precision inspection during the manufacturing process of a display device. According to this embodiment, the mother substrate for a display device includes: a plurality of panel portions, each including a display area and a peripheral area surrounding the display area; a blank area surrounding the plurality of panel portions; a lower electrode disposed in the display area; a rib layer disposed in the plurality of panel portions and the blank area; a first partition wall disposed in the display area; a plurality of second partition walls disposed in the blank area; a first laminated film disposed in the plurality of panel portions and the blank area, including a first color organic layer; and a first sealing layer covering the first laminated film. The plurality of second partition walls are arranged in a layout corresponding to the shape of process management marks or alignment marks. The process management mark and alignment mark consist of a first laminated film disposed on a plurality of second partition walls, and a first sealing layer covering the first laminated film and the plurality of second partition walls.

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