06-02-2012, 03:48 PM
ELECTRONIC PAPER
Introduction
What is e-paper ???
Electronic paper , electronic ink displays a display technology designed to mimic the appearance of ordinary ink on paper.
To build e-paper several technologies are used.
An e-paper display can be read directly in sun light without the image appearing to fade.
Technologies
Gyricon
Electro phoretic
Electro phoretic display
Electro wetting
Electro fluidic
Gyricon
Electronic paper was first developed in the 1970s by Nick Sheridon at Xerox’s palo alto research center . The first electronic paper, called Gyricon, consisted of polyethylene spheres between 75 and 106 micro metres across.
Electro phoretic
Electro phoretic display
An electro phoretic display forms visible images by rearranging charged pigment particles using an applied electric field
Electro wetting
Electro wetting is the modification of wetting properties of a surface with an applied electric field
Electro fluidic
Electro fluidic display is a new technology to display information which will compete with LCD and CRT displays
How an E-paper works??
Electronic paper is of two types
Front plane
Back plane
E-ink characteristics
Mobile
Low power usage
Light weight
Thin
No flickering
Can read under all circumstances
No video
No full colour
Features of e-paper
Used to display prices on products
A dynamic display of expiration date for food and drugs consumption
Colour displays in future display information practically everywhere on cardboard food containers even on admission tickets
The future of e-paper
The next generation of e-paper will add colour and include improved hardware that can refresh pages more quickly and have more wireless capabilities
Applications
Commercial applications
Digital school bags
Wrist watches
E-books
News papers
Digital photo frames
