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Proceedings Paper

A distributed system of wireless signs using Gyricon electronic paper displays
Author(s): Robert A. Sprague
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Paper Abstract

The proliferation of digital information is leading to a wide range of applications which make it desirable to display data easily in many locations, all changeable and updateable. The difficulty in achieving such ubiquitous displays is the cost of signage, the cost of installation, and the software and systems to control the information being sent to each of these signs. In this paper we will talk about a networked system of such signs which are made from gyricon electronic paper. Gyricon electronic paper is a reflective, bistable display which can be made in large web sheets at a reasonable price. Since it does not require a backlight nor does it require power to refresh the display image, such technology is ideal for making signs which can be run on batteries with extremely long battery life, often not needing replacement for years. The display also has a very broad illumination scattering profile which makes it readily viewable from any angle. The basic operating mechanism of the display, its manufacturing technique, and achieved performance will be described, along with the description of a networked solution using many such signs controlled with system software to identify speakers and meetings in conference rooms, hospitality suites, or classrooms in universities. Systems will also be shown which are adapted to retail pricing signage and others which can be used for large format outdoor billboards.

Paper Details

Date Published: 21 April 2006
PDF: 12 pages
Proc. SPIE 6196, Photonics in Multimedia, 61960K (21 April 2006); doi: 10.1117/12.669729
Show Author Affiliations
Robert A. Sprague, Gyricon LLC (United States)


Published in SPIE Proceedings Vol. 6196:
Photonics in Multimedia
Ari Tervonen; Malgorzata Kujawinska; Wilbert IJzerman; Herbert De Smet, Editor(s)

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