Display unit for electronic shelf price label system

摘要

An electronic display unit for an electronic shelf price label ("ESPL") system is disclosed that draws substantially no power to maintain the display. The electronic display unit comprises an updateable bistable electrophoretic display medium for displaying information and at least one electrode. In addition, the electronic display unit may be in electrical communication with an information updating unit. The information updating unit updates the information displayed by the display unit in response to a control signal or an environmental condition. The electronic display unit is capable of: (1) being manufactured by printing techniques; (2) being made in a lightweight and flexible form; and (3) holding an image power draw.