A display device with high visibility or low power consumption is provided. The display device includes a self-luminous display element and a reflective display element. The reflective display element includes a light-reflective layer and a liquid crystal material. The self-luminous display element transmits visible light. The liquid crystal material is located between the light-reflective layer and the self-luminous display element. The display device further includes a polarizing plate located between the liquid crystal material and the self-luminous display element. Alternatively, the self-luminous display element is preferably located between the liquid crystal material and the polarizing plate. The display device further preferably includes one or more coloring films located between the liquid crystal material and the self-luminous display element.