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A year ago in my first post, The Future of Ink, I explored e-ink technology and the e-book concept when the potential was still largely unseen. But since then, the industry has completely transformed, and the prospect of the e-book is beginning to be realized.

Since I know (or was told 20 minutes ago) that some of you are interested in large area electronics and displays, I thought I would throw something out for you.

Lately, e-book readers have been a new trend in the tech industry. The potential for it is incredible: hundreds of books in the palm of your hand, digitized content distribution, and infinite number of bookmarks, searchable text, hyperlinks between books; the list goes on. However, all these benefits come at a price; namely battery life and readability.

But what kind of display should they use? The average LCD screen has about 72 dpi (dots per inch), meaning that there are 72 pixels in every inch of screen. While that's passable for regular computer usage, anyone who's tried heavy reading will tell you that it's just not clear enough. By comparison, the average newspaper has over 300 dpi, and the average book has about 400 dpi.