2008_11

November 2008 Lighting Design and Application www. ies. org The magazine of the Illuminating Engineering Society of North America LEDs LEDs The PROMISe AND The PITfAllS LEDs

November 2008 Lighting Design and Application www. ies. org The magazine of the Illuminating Engineering Society of North America LEDs LEDs The PROMISe AND The PITfAllS LEDs Less