Electronic paper display
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An electronic paper display is a specialized type of electronic paper that combines the uses and advantages of a computer display and paper. Electronic paper displays are extremely thin, use minimal amounts of power and provide a high-contrast viewing surface like paper, but can be easily updated like a monitor.[1]
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[edit] Recent developments
Siemens unveiled a cheap electronic paper display that can be printed on paper and foil in 2005, during the Plastics Electronics trade fair in Frankfurt.[2] These displays were at that time set for launch during 2007.
[edit] Application
The SONY LIBRIé was the first commercial product to make use of an EPD. This device is basically the electronic equivalent of a book and was launched on April 2004 in Japan. [1]
[edit] Technology
[edit] Electrochromic
Electrochromic EPDs use electrochromic substances that change color when an electric voltage is applied. Displays are comprised of an electrochromatic material that holds a series of electrodes, backed by a layer of conductive plastic foil and a second layer of electrodes.[2]
[edit] Future
The future of EPDs is with Organic electronics. This technology is being developed by a number of companies including a Philips spin-off called Polymer Vision, Epson, and UK-based Plastic Logic. [1]
