An Engineer in Wonderland – Free LED lighting backgrounder
Webinars are a bit of a lottery, but I came across an excellent one from National Semiconductor. It is about white power LEDs, and includes a fair amount of detail on colour rendering. Most of the information is generic, although Lumileds – a sponsor of the webinar – is the only LED maker featured. I particularly liked the bit explaining why green leaves look grey when illuminated by ‘white’ light made using a balance of red, green and blue LEDs.
Go to www.national.com/nationaltv Select Driving High-Power LEDs Without Getting Burned – Part 1 There is a bit of signing-on involved. Part 2 is also pretty good. ‘Alice’