A display device includes an organic insulating layer, a first inorganic insulating layer, and a second inorganic insulating layer arranged in a first region and a second region, a plurality of pixels arranged in the first region, a protective film arranged in the second region and in contact with an upper surface of the second inorganic insulating layer in the second region, and a groove portion is provided in the organic insulating layer in the second region. A side surface and a bottom surface of the groove portion is covered by the first inorganic insulating layer and the second inorganic insulating layer. The protective film is overlapped with an upper surface of the organic insulating layer and an upper end portion and a part of the side surface of the groove portion.