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Programs
  IES Photometric Viewer Program downloads: 475 | type: zip | size: 3 MB
Description: Photometric File Viewer for viewing IES light measurement test files. Program has been compressed into zipped file format.

QL Induction Lighting
  QL Induction Lighting Warranty Information downloads: 394 | type: doc | size: 32 kB
Description: Features QL Induction Lighting warranty guidelines as outlined by the Philips Lighting Company.

  QL Induction Lighting FAQ downloads: 405 | type: pdf | size: 140 kB
Description: QL Induction Lighting FAQ features commonly asked questions/answers, comparison charts, and diagrams.

  QL Induction Lighting Troubleshooting Guide downloads: 329 | type: pdf | size: 65 kB
Description: Features problems/solutions for inoperative systems, short system life, low lumens output, and light flickering.

LED Technology
  An Answer to LED Droop downloads: 198 | type: doc | size: 87 kB
Description: An article featured in the January 2008 issue of Compound Semiconductor Magazine explaining the problem of LED "Droop" and breaking down theoretical causes and possible solutions for this obstacle in solid-state lighting development.

  Evolution of the LED downloads: 394 | type: doc | size: 40 kB
Description: Features explanations on LED processes, misconceptions and facts, and the present/future of LED applications.

  Challenges of High Power LED Measurements downloads: 254 | type: pdf | size: 321 kB
Description: An article featured in the November/December 2007 issue of The LED Journal that deals with the variables & requirements involved in testing the optical and thermal properties of high powered LEDs.

  LED Measurement Series - Luminaire Efficacy downloads: 210 | type: pdf | size: 518 kB
Description: An article by the U.S. Department of Energy: Energy Efficiency and Renewable Energy - that describes the concept of luminaire efficacy and the technical reasons for it's applicability to LED-based lighting fixtures.