Varitronix develop new frontlight technology for Bi-stable Cholesteric Displays

May 12, 2008

Source: Varitronix

Varitronix has introduced a new frontlight option to its Bi-stable Cholesteric Display (BCD) range making the displays suitable for use in low light environments.

Varitronix BCDs are non-volatile and will retain their image contents for periods of up to 10 years with no power source, only requiring power when information on the screen is changed. This makes them ideal for signage, labelling and status indicators where information is presented for long periods without updating.

The new frontlight system uses white LEDs and a special light guide to provide the maximum efficient illumination with minimal power consumption. A strength of Varitronix BCD technology is its excellent visibility. Far from degrading under bright light, display contrast actually increases in direct sunlight. Due to the absence of polarizers in this technology, viewing angles of up to nearly 180 degrees are achievable.

The new frontlight option means that the displays can now be used at night too opening up a wider range of possible applications.

Varitronix is offering standard BCD displays in resolutions from 32 x 32 to 240 x 160 and 478 x 638 pixels though displays are customisable depending on project requirements. Varitronix's BCDs are available in a range of attractive monochrome colour combinations, including Blue/White, Red/Amber, Yellow/Green, Pink/Peach and Orange/Yellow.



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