Patent ID: 7965434
Filing Date: 2011-06-21
Classification: G02F

Abstract:
1. A display element comprising: opposed electrodes; and an electrolyte containing silver or a compound containing silver in a chemical structure thereof between opposed electrodes, and carrying out driving operation for the opposed electrodes to induce silver dissolution and deposition, wherein the electrolyte satisfies the following requirements (a) to (c): (a) containing as an organic solvent a cyclic carboxylic acid ester having a dielectric constant of 30 to 50; (b) satisfying the following expression (1), wherein [X] is a total molar concentration (mol/kg) of halogen ions or halogen atoms contained in halide molecules, [Ag] is a total molar concentration (mol/kg) of silver or a compound containing silver in the chemical structure thereof; and (c) a concentration of silver or a compound containing silver in the chemical structure thereof in the organic solvent being from 0.2 mmol/g to 0.5 mmol/g.