A display device comprises the components of a lower substrate which comprises an active area and a peripheral area outside the active area; a thin-film transistor layer which is arranged on the lower substrate; a plurality of pixel electrodes which are arranged on the thin-film transistor layer and is in the active area; a packaging part which is on the pixel electrodes and packages the pixel electrodes; and a pattern layer which comprises a plurality of patterns on the packaging part, wherein the packaging part covers a first area of the lower substrate and a second area outside the first area is exposed. Furthermore the pattern layer comprises an anti-crack part at the peripheral area.