Patent ID: 7184198
Filing Date: 2007-02-27
Classification: G02F

Abstract:
1. A display element comprising a pair of electrodes having therebetween an electrolyte layer containing silver or a silver-containing compound, the display element being driven by the pair of electrodes so as to electrochemically dissolve silver or to electrochemically deposit silver, wherein the electrolyte layer contains a compound represented by one of Formulae (1) to (7) or a compound derived from the compound represented by one of Formulae (1) to (7): wherein: R wherein: M represents a hydrogen atom, a metal atom or a quarternary ammonium; Z represents a group of atoms necessary to form a nitrogen containing heterocyle combined with a carbon atom and a nitrogen atom, provided that Z is not an imidazole ring; n represents an integer of 0 to 5; R when n is an integer of two or more, each R wherein: Q represents a group of atoms necessary to form a 5- or 6-membered nitrogen-containing heterocycle combined with a nitrogen atom; m represents an integer of 0 to 5; R when m is an integer of two or more, each R wherein: R wherein: R R R wherein: R R wherein: R R