According to one embodiment, the present invention provides a mother substrate for a
display device and a method for manufacturing the
display device, the mother substrate for a
display device comprising: a display region for displaying an image; the remaining
white area is used for
cutting out the outer side of a
cutting line of the display area; the inorganic insulating layer is arranged in the display area and the residual
white area; a display element disposed in the display area; a first partition wall disposed above the inorganic insulating layer in the remaining white region; a first sealing layer formed of an inorganic insulating material and disposed above the display element and the first partition wall; and a first resin layer disposed on the first sealing layer in the remaining white region.