Unlike attempts LCD, LED or CRT display system, the electronic paper technology to achieve the clarity, contrast and easy viewing of plain paper to an electronic display.
The technology behind electronic paper is thirty years, it has been developed at Xerox PARC (Palo Alto Research Center). Nicholas K. Sheridon at Xerox PARC, a new display technology called Gyricon (from the Greek “Rotate Image”), which forms the basis of modern electronic paper technology was.
The electronic document is ideal modern high contrast like normal paper and have low energy consumption, it should be thin and lightweight. The electronic paper display (EPD) is so slight that it can be folded or rolled, while retaining the image too. In addition, the EPD does not lose power even if the image is not available. These concepts have been damaged in the manufacture of products such as tissue-PC from Fujitsu, who use a portable document electronic display is used, it is very easy and not so easy.
At the forefront of the electronic ink technology, the display will be two companies incorporated E Ink Corporation in Cambridge, Massachusetts (recently by Prime View International, Taiwan) and Xerox (a, through its subsidiary Gyricon Media) in Palo Alto , California.
The display technology E Ink is already widely used in devices like Amazon Kindle, Sony Reader, iRex iLiad, and many other e-book reader.
The E Ink electronic ink using a liquid clear plastic with millions of microcapsules, the small (about the diameter of one of our hair) spherical objects. The microcapsules containing the color white and black color chips. The white chips are positively and negatively charged black-and-chips. The electronic ink on a film ultra-thin plastic covered with a small circuit board. This circuit can selectively send the positive and negative charges of the E-Ink inserted, so that the chips to move, then change the display.

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