According to one embodiment, a display device includes, a first inorganic insulating layer, a first metal layer, a wiring group, a first organic insulating layer formed above the first inorganic insulating layer, the first metal layer and the wiring group, a second inorganic insulating layer formed above the first organic insulating layer and includes an opening portion overlapping the first metal layer, and a first transparent conductive layer formed above the second inorganic insulating layer, overlapping the opening portion and electrically connected to the first metal layer. The first organic insulating layer includes a groove portion which exposes the first inorganic insulating layer between the opening portion and the wiring group.