Instead of having to print out new signs when food items go on sale or change price, ZBD Solutions offers low-power screens.

UK company ZBD Solutions are commercialising an e-paper display for shelf-edge labelling in supermarkets and other retail stores. Instead of having to manually print out new labels when food items go on sale or change price, these low-power screens can be updated wirelessly and can retain their display even when the power is removed.

Developed through research undertaken at the liquid crystal research centre at DERA, the technology was created by applying a sub-micron grating onto the inside of an LCD display. The e-paper displays can be manufactured at low cost on a conventional production line.

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