Zero-power (bistable) displays

The zenithal bistable device (ZBD), developed by QinetiQ (formerly30343

 DERA), can retain an image without power. The crystals may happens to 1 of 2 stable orientations and power is forced to customize the image. ZBD Displays is oftenbyv26e

 a spin-off company from QinetiQ who manufacture both grayscale and colour ZBD devices.A French company, Nemoptic, is promoting the BiNem zero-power, paper-like LCD technology74hc244n

 that has been mass-produced together with Seiko since 2007.Fractional treatments is intended to use in applications for instance Electronic Shelf Labels, E-books, E-documents, E-newspapers, E-dictionaries, Industrial sensors,m1963m

 Ultra-Mobile PCs, etc.Kent Displays in addition has created "no power" display that uses Polymer Stabilized Cholesteric liquid crystal (ChLCD). A significant disadvantage to ChLCD screens are their slow refresh rate, especiallystr-e1414a

 at low temperatures[citation needed]. Kent has demonstrated using a ChLCD to cover your entire surface of your cell phone, letting it to change colours, and that colour regardless if power is stop.