Patent ID: 8009422

Claim:
A portable equipment, comprising: a flexible display element capable of being rolled up and unfurled; a back plate which entirely covers a back side surface of the flexible display element; a main body substantially shaped like one of a cylinder and a polygon, the main body storing the flexible display element and the back plate when the flexible display element is unfurled; a roll-up shaft for rolling up the flexible display element and the back plate when the flexible display element is unfurled, the roll-up shaft being included in the main body; and a pull-out slot through which the flexible display element and the back plate are taken in and out from the main body, wherein the back plate comprises: flat end portions provided on longitudinal ends of the back plate, the flat end portions being in contact with longitudinal ends of the flexible display element; and a curved portion being curved when free from an external force, the curved portion connecting the flat end portions, wherein, when the flexible display element is rolled up, the curved portion of the back plate is flattened and contacts with the back side surface of the flexible display element, and wherein, when the flexible display element is unfurled, the curved portion of the back plate is curved to be separated from the back side surface of the flexible display element.