Tri-colour e-paper displays target portable equipment

Pervasive Displays (PDi) has introduced a range of rugged tri-colour displays, aimed at the growing market for portable equipment designed for use in demanding conditions.

Deploying technology in situations where impacts are common means individual components must be exceptionally robust. Pervasive Displays’ rugged black, white and red displays – available as 3.7-, 4.2-, 4.37-and 7.4-inch models – include a resin board attached to the glass substrate to protect the screen from breaking when it is bumped, dropped or knocked, such as wearable electronics devices, logistics container labels, or tags on moving equipment or products.

The displays are up to 50 per cent stronger to help them resist an impact that could shatter a conventional glass display and to help ensure the screen remains readable. Pervasive Displays believes that this makes the e-paper displays suitable for new opportunities and allow designers to incorporate displays where these would previously have been impractical or impossible.

E-paper displays display text and images using physical ink particles that reflect ambient light, enabling them to remain readable even in bright sunlight or other harsh lighting conditions. Their near-180 degree viewing angle further enhances ease of readability. Low energy demands mean they don’t require mains power, and are instead able to run for months or even years using a small coin cell battery.

The displays have a high pixel density (ranging from 117 to 130 dpi, depending on the screen size), driving waveform and can render both text and images in red, white and black to display rich, sharp and detailed information to users.

Alchin Wang, general manager, Pervasive Displays, said: “E-paper is already a highly robust display technology, and the addition of the resin board means these devices can be used in an even broader range of applications, even where they are prone to impacts.

“The rugged displays’ built-in timing controller (iTC) also minimises the need for peripheral circuitry, resulting in smaller overall devices or extra space for batteries and other components,” he added.

http://www.pervasivedisplays.com

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