Electronic Paper

Electronic paper (e-paper) or e-ink uses a display technology to imitate the appearance of ordinary ink on paper. Unlike conventional backlit flat panel displays such as LCD which emit their own light, e-paper displays reflect ambient light like ordinary paper. The main benefit is that e-paper is more comfortable to read than backlit displays. This is due to the stable image, which has no need to be refreshed constantly, and a wider viewing angle. E-paper can be read in direct sunlight without the image appearing to fade.

Electrophoretic, electrowetting and interferometric modulator are the main competing technologies to provide high refresh rate and full-color capability. Applications of e-pper include electronic pricing labels in retail shops, and digital signage, time tables at bus stations, electronic billboards, mobile phone displays, and e-readers able to display digital versions of books and e-paper magazines.

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