ZBD Displays Develops Zero Power Displays

July 7, 2003
Malvern, UK, July 8, 2003. ZBD Displays Limited (ZBD), a supplier of rugged, high quality displays for portable devices, is firmly on the route to color displays which use zero power between updates, having demonstrated four error-free analog grey levels.

Malvern, UK, July 8, 2003. ZBD Displays Limited (ZBD), a supplier of rugged, high quality displays for portable devices, is firmly on the route to color displays which use zero power between updates, having demonstrated four error-free analog grey levels.

ZBD's latest demonstrator is constructed to provide greyscale to an excellent degree of clarity by varying the shape of its proprietary grating within each individual pixel. Unlike other bi-stable displays, such as bi-stable twisted nematic, electrophoretic inks and cholesteric displays, the production of greyscale on a ZBD display begins at the design stage when the grating is put down, resulting in reproducible greys at no additional cost. In addition, ZBD displays are suitable for use with commercial off-the-shelf display drivers.

As a result, ZBD is paving the way to colour displays that rival TFT displays' front-of-screen performance at considerably lower cost and power. ZBD displays also have the advantage of being able to leverage all the technological advances made in other LCD technologies, including brightness enhancement, electronics and color filters.

Henri-Luc Martin, CEO, ZBD Displays Limited, comments, "This is an extremely exciting time for ZBD. The development of the greyscale demonstrator shows the capabilities of our technology to offer both greyscale and eventually color."

Martin continues, "An essential part of producing colour displays is the achievement of sufficient greyscale. Because ZBD is a bi-stable technology in which there are two stable orientations for the liquid crystal molecules many people mistakenly believe that the technology is only capable of producing black and white displays. We have proven that this is not the case."

Martin adds, "The path to greyscale and colour is essential to match the requirements of e-books, electronic readers, shelf-edge labels, PDAs, mobile phones and smart watches."

For more details, visit: www.zbddisplays.com .

Laser Focus World

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