PLANNING AND LEADERSHIP FOR A BETTER WORLD
PLANNING AND LEADERSHIP FOR A BETTER WORLD | Table of Contents: |
E-readers—like Amazon's Kindle or Barnes & Noble's Nook—are now being used nearly everywhere, from your local subway to outer space. In June, Amazon.com reported that ebook sales had topped the sales of hardcover books in its online store. And technological innovations—like foldable electronic paper—are promising to make e-readers more advanced than ever.
Amazon.com's Kindle is just the beginning for e-paper.
This month, the Journal of the Society for Information Display published the first-ever paper to critically examine current and future possibilities for electronic paper. The paper addresses many exciting applications for e-paper, including flexible displays and electronic labels. Here are some key topics addressed by the paper.
E-Labels
Electronic shelf labels (ESLs) allow businesses such as grocery stores to quickly and efficiently update product pricing and information. Such labels are already being used experimentally in Europe and on the West Coast, but the researchers feel that this technology could soon become widespread.
Not only would ESLs save businesses the time of manually changing labels, but they could also help save power. "The electronic labels basically only consume significant power when they are changed," the paper's lead author Jason Heikenfeld, an associate professor of electrical and computer engineering at the University of Cincinnati, said in a statement. "When it's a set, static message and price, the e-shelf label is consuming such minimal power—thanks to reflective display technology—that it's highly economical and effective."
In addition to e-labels, e-paper could also allow for better business signs, since it uses much less power than traditional LCD displays.
Grocery stores and other businesses could save money and energy using electronic labels (source: RFID Journal).
E-Reading in Color
Color e-readers are already expected to hit the market sometime this year, but consumers should be cautious about buying the first generation. In the paper, Heikenfeld warns that these displays will be less vibrant than on other electronics, like tablet computers.
"The pursuit of bright and saturated color," write the researchers, "presents the largest R&D challenge for e-paper." Still, the paper argues that future research will likely give way to brightly colored displays with high-speed functions, such as video and web browsing.
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