Patent attributes
A display device including a reflective display panel, a plurality of electrical or optical element layers, and at least one light-emitting element is provided. The electrical or optical element layers are stacked above the reflective display panel. One of the electrical or optical element layers is a light guide plate. The light-emitting element is disposed beside the light guide plate. A plurality of transparent medium layers are respectively located between every two adjacent ones of the reflective display panel and the electrical or optical element layers and above the electrical or optical element layer most away from the reflective display panel among the electrical or optical element layers. At least one of the transparent medium layers above the light guide plate is a gas layer.