|Flat-Panel TVs Plasma, LCD|
|10-14-2008, 01:15 PM||#1|
What is HD?
Join Date: Oct 2008
LED Screens/TV's are a health hazard!
Yes, it's official.. The what-was-once-thought to be the most environmentally friendly screen light, LED, is now being scrutinized by scientists who believe it might have unexpected negative health consequences!
LED is, at a first glance, better than other traditional screen lights, especially from an environmental point of view:
1) LED Screens use less power
2) LED Screens, compared to other flat screens, contain NO MERCURY
3) LED Screens have long lifetimes and are more shock resistant.
But before you go on and change your flat TV to one that uses LED, and before you buy one of the newest laptops with LED light, you might want to keep your good-old cold cathode light screen laptop. That might be harder in the future, since more and more laptop manufacturers are switching to LED, even for their large laptops (as of now, most LED laptops are the popular netbooks/mini-notebooks). Apple (Macintosh), for example, is a huge proponent of this change:
So are is LED lights bad for health?
LED lights have been found to exceed safety limits of the so-called blue-light hazard as defined in eye safety specifications such as ANSI/IESNA RP-27.1-05: Recommended Practice for Photobiological Safety for Lamp and Lamp Systems - and this does not only apply to Blue type LEDs, no, it also applies to White LED - the LED used in screens.
But how can white LED present a blue hazard? Well, most white LEDs have spectra that differ significantly from a black body radiator like the sun or an incandescent light. The spike is at 460 nm and dip at 500 nm - this is why there is light much stronger in the blue spectrum than with any other type of light. And according to the most recent studies, this can not only damage the eyes irreversibly, but it can also cause changes in hormone levels (such as melatonin), and cause sleep disorders!
Since I can't post links yet, I cannot post all the references I have. But try to going to wikipedia, the article "LED", under "Disadvantages", look at "Blue Hazard"
What is your opinion on this? Should one refrain from buying an LED light flat TV because of the possible health hazards?
|10-14-2008, 04:37 PM||#3|
In need of speakers
Join Date: Aug 2007
Sounds like a bunch of FUD regarding LED technology. I think I'll be okay because I'm not staring at the LED lights themselves, but rather at the screen through a complex of pixels and polarizing filters.
|07-12-2010, 12:39 AM||#4|
What is HD?
Join Date: Jul 2010
Thanks a bunch
Thanks a lot. THought That was a very early post, back in 2008, the article really makes sense now when LEDs are so prevalent.... and the risks are being accepted or scientifically proved correct.
Hey, thanks DavidCT. If you have more links, or info. please post or direct me towards it.
I am making the choice now on LED vs others. ANd I may stay away from LED with what I am discovering with the help of articles like yours.
|07-12-2010, 02:03 AM||#5|
Former Super Moderator - RIP
Join Date: May 2005
You chose as your first post to necrobump a thread that is almost 2 years old and is a BD post at that?
Welcome to the forum but lets try to work with more current threads that are not BS info also. Ok?
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