Ok guys, I am building a new system from scratch and I am debating on UV Leds or blue ones. The UV LEDs would produce an awsome effect, but my worry is that I have heard that they really don't do much to light up UV reactive things. They more or less just seem to glow purple and don't make things glow. I have some clear fans with UV LEDs in them and without my cathodes, nothing glows. Anyone had any experience or ideas about them?
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UV LED's (do they work?)
- Thread starter DeViL_909
- Start date
- Joined
- Jan 18, 2005
- Location
- New york, new york
I have heard the same thing, unless you like the purple color dont bother with uv leds, just get some cold cathods.
I gotta say, I bought a couple "Blue" LEDs from Radio Shack a month ago to replace something ($5 each 
). I went to fiddle with them and they were a very light blue, but still pleasing. I pointed one at an orange sticker in my case and the sucker lit up like UV...
If ya do a little research you can find the right light freq for the led you want, then buy 50 for $12 on ebay. I think the ones I had were more blue then they were perple, but yeah you could see it.
). I went to fiddle with them and they were a very light blue, but still pleasing. I pointed one at an orange sticker in my case and the sucker lit up like UV...If ya do a little research you can find the right light freq for the led you want, then buy 50 for $12 on ebay. I think the ones I had were more blue then they were perple, but yeah you could see it.
- Joined
- Jan 14, 2005
UV Led's
I have used them a couple of times trying to get the same effect; from what I have seen, they just don't do the trick and I end up switching to cathodes.
I have used them a couple of times trying to get the same effect; from what I have seen, they just don't do the trick and I end up switching to cathodes.
- Joined
- Feb 24, 2005
- Location
- Buffalo, NY
I have 3 of those led cannons for UV (purple) and they F*****G S**K....
The other colors I have for them aren't much better.
I now use the SVC Super Bright cathodes (blue) and they actually react w/my UV Green psu sleeves. Killed 2 birds with one stone!
The other colors I have for them aren't much better.
I now use the SVC Super Bright cathodes (blue) and they actually react w/my UV Green psu sleeves. Killed 2 birds with one stone!
- Joined
- May 6, 2004
- Location
- I live by a Delta
They are good only for illuminating very small areas. Here is something that I did with some UV LEDS.
UV LED Fan Spacer Mod
UV LED Fan Spacer Mod
apu318
Disabled
- Joined
- May 22, 2004
SlipViper said:I have 3 of those led cannons for UV (purple) and they F*****G S**K....
The other colors I have for them aren't much better.
They dont work. They're purple LEDs.
MarvleyMorvin
New Member
- Joined
- Jul 11, 2012
Actually guys they do work, none of you have done your homework! Incandescence happens in a very specific UV bandwidth. Ideally, to make things "glow" you need 253.7nm UV LEDs.
Not just any UV LED will work...
Not just any UV LED will work...
- Joined
- Oct 14, 2007
Holy digging up a seven year old thread batman!
- Joined
- Jul 30, 2009
Wow. That's quite the thread resurrection.
I thought the same thing when I saw the date!
