electronic paper

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electronic paper

(1) A generic term for an extremely thin flexible display that can be rolled up. There are several technologies in the works, and this type of display is expected to become mainstream by 2015.

The Smartphone in a Pen
This OLED display screen unrolled out of a pen may seem far fetched, but such products are expected to be commercialized in a few years (see OLED). (Image courtesy of Universal Display Corporation, www.universaldisplay.com)

(2) A paper-thin display technology that uses charged black and white elements oriented toward the viewer when a charge is applied and which retain their formation without power. The first electronic paper was developed at Xerox's Palo Alto Research Center (www.parc.com) in the 1970s. It used a thin sheet of Xerox Gyricon plastic, containing millions of charged beads with black and white hemispheres. When the paper was fed through a "printer," a voltage pattern was applied, and the beads were oriented toward their black or white side, or half way for gray. Although the Gyricon Media Inc. subsidiary was created to develop the technology, it never worked well enough to become a product.

Another Approach
In the 1990s, another electronic paper technology was developed at MIT Media Labs that placed the black and white elements inside a microcapsule. E Ink Corporation was created in 1997 to further develop and market the method, and it succeeded (see E Ink).

The First Electronic Paper
Nick Sheridan, who invented the electronic paper at PARC, and Fereshteh Lesani show the first roll of paper produced by 3M. (Image courtesy of Palo Alto Research Center.)

As Sharp as Paper
In 2008, Epson demonstrated a super-high-resolution prototype display using E Ink technology. At 385 dpi, this 13.4" display provides an outstanding 3104 x 4128 pixel resolution. (Image courtesy of Seiko Epson Corporation.)
References in periodicals archive ?
A twisting-ball display (Sheridon, 1978; Sheridon and Richley, 1999) is a kind of electrophoretic information display invented at the Xerox Palo Alto Research Center (PARC), called Gyricon.
Since the definition and decision process for new business opportunities that come before the CIC was put in place (Figure 5), Xerox has been able to stimulate and grow a long list of unique technological innovations, including ContentGuard, AskOnce, MobileDoc, Gyricon Media Inc.
Xerox Corp has a similar technology, Gyricon, which it hopes to bring to the commercial market some time next year.
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s Resource Scheduler Supports Dynamic Messaging Directly to Gyricon SyncroSign(TM) Wireless eSignage Product Line
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Lubel joins Gyricon from the Avery Group, where he served as chief operating officer.
June 21 /PRNewswire/ -- Gyricon LLC today announced that the latest addition to the SyncroSign(TM) family, SyncroSign Messenger, will make its public debut at WIRED NextFest -- WIRED Magazine's three-day celebration of technology and innovation.
Plastic Logic, a leading developer of plastic electronics technology, and Gyricon Media, the provider of SmartPaper(TM) reusable display material, announced today that they have created the world's first bistable reflective display driven by an inkjet-printed active matrix backplane.
The new strategic alliance involves Gyricon Media's S.