1. A cover accessory, comprising:a rear cover configured to be mounted on a mobile communication device having a display; and
a front cover configured to cover a display of the mobile communication device and comprising a fluorescent material,
wherein a light reflection layer facing the display is formed in a substantially central area of the front cover, and
wherein in at least a partial area of an edge area enclosing the substantially central area of the front cover, the light reflection layer is not formed.