Cart (Loading....) | Create Account
Close category search window
 

Leading light [portable device display illumination]

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

1 Author(s)

The need for a white light emitting diode driver to illuminate the displays and keyboards in portable devices has increased rapidly over the last few years. Demand has been fuelled by the market surge in colour displays, especially the active matrix liquid crystal displays found in handheld devices. Although almost every power management business can offer a white light emitting diode (LED) drive, the design engineer has to make the choice between a driver based on a charge pump or boost converter. While obvious reasons may exist for choosing a boost converter, efficiency being one, making the right decision is far from easy.

Published in:

Power Engineer  (Volume:19 ,  Issue: 2 )

Date of Publication:

April-May 2005

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.