INDUSTRY

• Compound Semiconductor Magazine Compound Semiconductors, GaAs, LEDs, III-Vs
• High Brightness LEDs @ compound Semi Online
• LED Marketplace
• Lighting Resource, The Only Source for Illumination You'll Ever Need
• www.LightEmittingDiodes.org

TRADE ORGANIZATIONS

• International Sign Association
• Aerospace Lighting Institute
• Welcome to American Lighting Association
• ANSI Online
• The IEEE
• IESNA Illuminating Engineering Society
• SPIE--The International Society for Optical Engineering
• Society for Information Display
• Japan Lighting Information Services
• Institute of Transportation Engineers
• OIDA - The Optoelectronics Industry Development Association
• optics.org - The Online Photonics Resource
• LIGHTFAIR INTERNATIONAL 2002

PUBLISHER / DIRECTORY

• EITD - Electronic Industry Telephone Directory
• ECN Electronic Component News - Home Page
• A sign industry resource for ADA
• Welcome to SignWeb
• LightForum.com - The Resource Center for Lighting Design
• Lighting.com, the online resource for lighting professional

ACADEMIC

• The Photonics Center at Boston University
• Lighting Systems Research Group Home
• Lighting Research Center Home Page
• Light-Emitting-Diodes-dot-org home page
• Florida Solar Energy Center
• Solid State Lighting

REFERENCE

• HyperPhysics
• Radiance Synthetic Imaging System
• Ledalite Layout Calculator gives rough estimate of fixtures needed & average luminance
• Led Forum
• Led Museum
• Light Measurement Handbook  intl-light.com/handbook 1997 by Alex Ryer
• Illuminance Conversion online
• LEDs with Punch! Converting / comparing lumens, candelas, milli-candelas
• Don's LED Main Page 
• The LED FAQ pages
• Conversions and Calculations Group L
• Areance of Surface
• Light Guide: Useful Formulas
• The lumen and the lux
• Units and Conversion Factors
• Compare LED vs. incandescent
• LED Architectural Lighting Systems overview of life & cost savings by Sloan
• LEDs: from Indicators to Illumination ?
• Metrology Equivalents  by RPM Optoelectronics
• Measurement of Light Emitting Diodes tutorials by Gamma-Sci 

EDUCATIONAL FACILITIES

• Cooper Lighting source
• GE Lighting - GE Lighting Institute
• Lighting Design Lab
• The Philips Lighting Technology Center

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