| abstract |
To provide a display device having a simpler configuration and excellent color development and decoloring characteristics. The medium includes a solvent, a viologen derivative, and a supporting electrolyte, and further includes at least one of a ferrocene derivative, a hydroquinone derivative, a ferrocyan ion salt, a naphthoquinone derivative, and a naphthohydroquinone derivative. Further, the display device includes a pair of substrates, a pixel electrode formed on each of the opposing surfaces of the pair of substrates, and a medium layer sandwiched between the pair of substrates. The display device includes the medium. [Selection] Figure 6 |