A display device includes: display and peripheral regions, the peripheral region including: a first wire on a first insulating layer; a passivation layer on the first insulating layer, exposing a portion of the first wire; a light blocking member on the passivation layer, a first hole therein exposing the portion of the first wire; a second insulating layer on the light blocking member, a second hole therein exposing the portion of the first wire; a third insulating layer on the second insulating layer, covering sides of the light blocking member and the second insulating layer at the first and second holes; and a second wire on the third insulating layer, in contact with the first wire. The second insulating layer at the second hole exposes an upper surface of the light blocking member at the first hole