According to the Cleantech Group, venture-capital investments into lighting technologies reached $100 million in 2008's first quarter. That ranked behind only biofuel and solar among clean-tech categories.
Advances with LEDs, including better white color and lower prices, have made them an increasingly realistic alternative.
Full story from San Jose Mercury-News.
A program track on Illumination Engineering is a part of the Optical Engineering + Applications section of the SPIE Optics + Photonics symposium, 10-14 August 2008 in San Diego, California.