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Originally Posted by tompe
Is this really correct (do you have a reference)? I always thought that the motivation was to get better battery time and get a more paper like experience with much better resolution and contrast and working in sun light.
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I'm not talking about "Motivations", I'm talking about benefits, but if having to have any sort of references is your thing, the best I can do right now is to give you a few sources just as an example of what is to be found (which in turn they had to make use of references that you may investigate further).
Taken from:
http://www.wisegeek.com/what-is-e-ink.htm
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An advantage of e ink displays over the backlit displays of cell phones, PDAs, and similar other electronic devices is that they consume much less energy because they require power only when the display is changed. In addition, they are easier on the human eye because backlighting strains the reader's eyes.
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Taken from:
http://www.aip.org/dbis/stories/2007/17027.html
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BENEFITS: The E-Ink technology is reflective, so it uses almost no power; even large displays will use a minimum amount of electricity. So the Sony Reader need not be turned off; it can be set aside just as one would do with a printed book. The current page remains on the screen without draining any battery power. In fact, a single charge is good for 7,500 page turns. The screen is easily readable outdoors. And E-Ink can be used to coat almost any surface, so it is ideal for flexible display applications. Also, studies have shown that users reported increased readability and minimal eyestrain compared to other electronic book technology. The Human Factors and Ergonomics Society and the Institute of Electrical and Electronics Engineers, Inc., contributed to the information contained in the TV portion of this report.
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Taken from:
http://www.obsessable.com/glossary/e-ink/
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E-ink describes a type of display that is high contrast and doesn't require power to maintain state. E-ink doesn't use any sort of backlight natively, making text more readable and eases potential eye strain. While there are a variety of technologies behind e-ink, the basic premise remains the same: pieces of e-ink have a dark side and a light side, with magnets or other methods being used to toggle between the states.
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And yes, battery life and contrast in sun light are two factors as well (and btw, better contrast is easier to the eye).
If you still find your self hungry for more: try google
