Light-Emitting Diodes

Optimizing the Design and Use of Light-Emitting Diodes for Visually Critical Applications in Transportation and Architecture

State of the Art:

• Issues and Options Paper
• LED and Traffic Signal Technology
• Information about Specifications Available on the World Wide Web

Research:

• Download the Lighting Research Center's report on luminous
  intensity requirements for daytime visibility of traffic
  signals using incandescent and light-emitting diode sources (11/99)
• Transportation Research Board Abstracts

Market Information:

• Survey of California Municipalities about LED Traffic Signals
• LED Traffic Signals Roundtable Meeting
• Information About Market Transformation Activities in New York State

Project Personnel:

Mariana Figueiro, Program Director, Lighting Transformations
John Bullough, Co-Principal Investigator
Robert Wolsey, Director of Information Technology

For more information contact John Bullough, LRC; Laurie Kokkinides, NYSERDA; Gary Fernstrom, PG&E; or LumiLeds Lighting.