Browse Forums Lighting + Lighting Design 1 May 12, 2011 11:58 am I was reading an article in New Scientist about light spectra for different lighting technologies such as incandescent, fluro and LED. All these types (esp LED) are heavy on blues wavelengths and light on the red and yellow. The article discusses how blue light is used by the body as a trigger to stop the release of melatonin encouraging us to stay awake. This is very unhealthy for us, I quote the article: "Besides Cancer, disruption of our body clock and melatonin suppression have been linked to obesity, diabetes and cardiovascular disease." I am generally not convinced by such but I can't help thinking that natural daylight is the best. Given this, Electron Stimulated Luminescence (ESL) Lighting is supposed to be the bee knees in this area. There are other lighting options that offer reasonable spectra which might also work. I note that ESL is a very new technology and not currently available in either 240V or bayonet configuration but are supposedly in the pipeline. Having fairly heavily invested first in Fluro and then in LED lighting, I am reluctant to make changes but will consider it for our new place. I wonder what other peoples thoughts are on this. 3xb Re: Electron Stimulated Luminescence Lighting 2May 16, 2011 9:54 pm There are several scientific papers showing that blue light causes our body clocks to believe its day light and therefore can assist in resetting the body clock. Which is why products like the golite blu are popular for circadian rhythm disorders. Natural daylight does have a component of blue light. Can you link this New Scientist article? I'm not sure if I have read it.... Re: Electron Stimulated Luminescence Lighting 3May 18, 2011 3:18 pm theanonyuser There are several scientific papers showing that blue light causes our body clocks to believe its day light and therefore can assist in resetting the body clock. Which is why products like the golite blu are popular for circadian rhythm disorders. Natural daylight does have a component of blue light. Can you link this New Scientist article? I'm not sure if I have read it.... Of course we don't want to reset the body clock at night so best to avoid blue light as much as possible at night. Ideally we have a light source with very little blue light - probably having none would be no good as it with mess with the look of blue things. I read it in the hard copy magazine, you can view it here if you have an online subscription: http://www.newscientist.com/article/mg2 ... light.html Re: Electron Stimulated Luminescence Lighting 4May 19, 2011 10:28 pm I think I've read that one. There are yellow coloured blue-light blocking glasses available The ones I've seen are usually around $60 so not exactly cheap Re: Electron Stimulated Luminescence Lighting 5May 22, 2011 7:44 pm [quote="theanonyuser"]I think I've read that one. There are yellow coloured blue-light blocking glasses available The ones I've seen are usually around $60 so not exactly cheap /quote] Yeah, looks like the ESL would be cheaper if only they were available in Australian voltage. Hopefully it will be available before my build is finalised. Building Standards; Getting It Right! 1. optional, you can but normally just use the earth from the main switch board 2. should be enough but the distance determines voltage drop - sparky should work it… 1 28812 I have a really long hallway which is 1100mm W x 11500mm L I would appreciate if anyone can give suggestions to light it up with Linear LED lights that goes from wall to… 0 8812 What? It's a lighting question, the control joint is only needed at 12m centres, a bulkhead or change of direction will suffice as a 'break' in the ceiling, just make… 8 8570 |