Patent attributes
A decorative cover includes a lenticular lens sheet, an outer frame, a connection point, and a plurality of LED chips. The outer frame is fitted onto an outer periphery of a smartphone. The lenticular lens sheet is integrated with the outer frame and covers a rear surface of the smartphone. The plurality of LED chips is arranged parallel to a longitudinal direction of cylindrical lenses on a flat surface side of the lenticular lens sheet. A drive unit changes a light emission state of each of the plurality of LED chips. The drive unit is connected with a control unit of the smartphone through a connection point and the connection point. The drive unit changes the light emission state of each LED chip in accordance with an operating state of the smartphone operated by the control unit.
