Patent ID: 7559163

Claim:
A display device comprising: a display part made of a roll-up direct-view display element; a take-up part attached on one end of the display part, the take-up part allowing the display part to be rolled up; a pulling part attached on an other end of the display part, the pulling part allowing the display part to be rolled out; and a holding part for holding the display part from behind, wherein the holding part is formed of linkage, which are stored on a rear surface of the display part when the display part is rolled up, and are stretched across the rear surface of the display part when the display part is rolled out; and the linkage includes: a first rail having a first end and a second rail having a second end, the first rail and the second rail crossing each other a rail intersection for rotatably supporting the first rail and the second rail at a point where the first rail and the second rail cross each other, the first end being slidable within the pulling part and the second end being slidable within the take-up part; the display part includes a first joint part on the rear surface thereof; the holding part includes a second joint part; the first joint part and the second joint part face each other when the display part is spread out, at least one of the first joint part and the second joint part is one of a magnet and an electromagnet, and the first joint part and the second joint part attract magnetically.