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E-Paper Case Studies





E-Paper, also known as electronic paper or electronic ink display, has a paper-like high contrast appearance and an ultra-low power consumption and effectively mimics the appearance of ordinary ink on paper.

The display is an electronic replacement for traditional paper that we can use for reading things like books, magazines and more. E-Paper, much like real paper, reflects available ambient light (although they can also incorporate a front-light to improve readability in dark surroundings), thus uses much less power than traditional LCDs or OLEDs

The E-Paper pixels are bi-stable in that once they have been set at a particular grey or colour state will remain in the same display state almost indefinitely until they are forcibly changed. This is unlike LCDs or OLEDs which have to be continuously refreshed, whether they change state or not. As a result of this E-Paper displays can consume a fraction of the power any other display technology would require. It is quite possible to run a 32” diagonal, full 4K display, from a small battery or solar panel. The Kindle Paperwhite, which uses this technology, is advertised as being able to last for weeks without recharge.

Sydney Metro Line - Outdoor E-Paper Install

What better way to celebrate the first 36 kilometers of Australia’s biggest public transport project, the newly-opened Sydney Metro Northwest line, than by providing real-time passenger information on smart electronic paper signs that are powered by nothing but the hot Aussie sun?

A transit link to the north-western suburbs of Sydney, the Sydney Metro Northwest line represents the first stage of an ambitious Sydney Metro project aimed at improving travel in the bustling Australian metropolis.

Australia’s first driverless metro line, the new standalone Sydney Metro to be completed in 2024, will deliver 31 stations and more than 66 kilometers of new rail, increasing the capacity of train services in the city by as much as 60%. Carrying about 40,000 passengers per hour, a significant improvement from the 24,000 people an hour per line that the current public transportation system supports – the new rail will see trains arriving every two minutes, revolutionizing the way Australia’s biggest city travels.

And the exciting news: on the first 36-kilometer stretch, these arrivals and departures will be supported with live journey updates provided on energy-efficient, solar powered Urban signs!

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