LEDS COULD LIGHT UP OUR FUTURE BULBS COST MORE BUT USE LESS ENERGY.(Business) From: Seattle Post-Intelligencer (Seattle, WA) | Date: May 12, 2008 | COPYRIGHT 2008 Seattle Post-Intelligencer. All rights reserved. Reproduced with the permission of Thomson Scientific by Gale Group. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Byline: TOM ABATE San Francisco Chronicle

The same innovation that makes laptop screens thinner turns out to be one of the best energy-saving technologies on Earth - and it's all thanks to new tricks that make it possible to create more illumination using the humblest member of the semiconductor family, the light-emitting diode, or LED.

Semiconductors, you will recall, are materials that can be coaxed into either conducting or not conducting electricity. Co...