E-ink is a relatively new technology that delivers on the promise of an electronic equivalent for paper. E-ink is deployed in high resolution active matrix displays – these are commonly called electronic paper displays or EPDs. The thing that distinguishes e-ink from flat screen technologies that you find in desktop and laptop computers is that e-ink has no requirement for the image to be back lit. This means it consumes much less power and can be read in bright sunlight. For all intents and purposes it really does resemble paper – the only difference is it the page can be refreshed with new data – so it still needs electricity, but only to turn the page. Continue reading →