A display panel includes a transparent substrate, a picture region, a black matrix region around the picture region, and a soft key region, a black matrix formed in the black matrix region on one side of the transparent substrate and having a first opening in the soft key region, and an overcoating layer on the transparent substrate including the black matrix, wherein a soft key is implemented in the soft key region by disposing a light source under the first opening of the black matrix. When the display panel is a touch screen panel, conductive sensing cells in the picture region and position detection lines in the black matrix region are included.