| 摘要 |
<p>An input function display device includes: a display unit to which a position information pattern representing a coordinate position is given; and a position information reading unit that reads the position information pattern using invisible light, in which the display unit includes an electrophoretic element, a first substrate having a first electrode on a face of the electrophoretic element side, and a second substrate having a second electrode on a face of the electrophoretic element side, and any one of a constituent member of the electrophoretic element and the position information pattern has reflectance with respect to invisible light, and the other has absorptiveness. The display unit performs displaying on the basis of marks read from the position information pattern by the position information reading unit.</p> |
