Disclosed are an organic light-emitting array and an organic light-emitting display device using the organic light-emitting array. The organic light-emitting array includes a substrate having a plurality of sub-pixels, each sub-pixel including an emission portion and a non-emission portion adjacent the emission portion; a first electrode provided on at least the emission portion and provided on a portion of the non-emission portion for each sub-pixel; a bank provided in the non-emission portion and having a positively tapered portion configured to overlap a portion of the first electrode and a negatively tapered portion configured so as not to overlap the first electrode; an organic layer provided on the first electrode and the bank; and a second electrode disposed on the organic layer over the plurality of sub-pixels.