Patent ID: 7880735

Claim:
A display device that displays by allowing external light to be incident from outside, and reflecting the incident external light so as to output the incident external light from a display surface, the display device comprising: a porous body having a front face that is provided on the display surface side of the porous body, wherein a colorless transparent material is used for the porous body, a plurality independent elongated small pores defined in the porous body, each pore being provided with an electrode, a substrate supporting a counter electrode associated with at least one pore of the plurality of elongated small pores, wherein a power supply is electrically connected between the counter electrode and the electrodes provided for the pores, and wherein the substrate and counter electrode are located between (i) the pores, and (ii) a reservoir for holding liquid that selectively is moved into and out of the pores based on application of voltage; and wherein the entire elongated pores are on a viewer side of the counter electrode, so that the entire small pore associated with the counter electrode is located between the counter electrode and a viewer of the display device.