where to buy high power leds?

Discussion in 'The Projects Forum' started by elimenohpee, Jun 20, 2010.

  1. elimenohpee

    Thread Starter Active Member

    Oct 26, 2008
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    Does anyone know of a good place to purchase high power leds (>300mA) for a decent price? Specifically I'm looking for rgb's, but some places want more than $10 for just 1 led. That sounds a little outrageous, and I thought I'd see if you all knew of any cheaper alternatives.
     
  2. retched

    AAC Fanatic!

    Dec 5, 2009
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    1 watt rgb leds:
    RGB-1WS for 7.95 at http://www.superbrightleds.com/cgi-bin/store/index.cgi?action=DispPage&Page2Disp=/leds.htm

    Are you SURE you want to go with 1w? Thats AWFUL BLINDING bright.

    You can use some $1 super bright 5mm LEDs and get a still close to blinding bright.

    You should buy 1- 1w led and a handful of 5 or 10mm rgb LEDs to see what you really need.

    with the 1w, you NEED heat sinking and/or a fan to cool the heatsink if you use all 3 leds (R G and B).

    An RGB led is actually 3 leds in 1. so They get VERY hot. If you dont cool it, and run it for more than a few seconds straight, you will have an expensive mistake.
     
  3. elimenohpee

    Thread Starter Active Member

    Oct 26, 2008
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    Yeah I need the most powerful leds I can get my hands on (at a cheap price ;)). I'm building a fully customizeable lamp, so I will need to be bright to be a neat little night stand light that I can use to read at night if I want to.
     
  4. R!f@@

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  5. hgmjr

    Moderator

    Jan 28, 2005
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    The superbright white and blue LEDs carry a warning that you can damage your eyesight if you are not careful.

    hgmjr
     
  6. retched

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    Well, everything I have gotten from them has been golden.

    I have only had 1 problem with them ever. I ordered 20 white leds clear.
    19 were fine, but 1 was red. Other than that, I am completely satisfied with them. The suppliers are reputable and good. Much better than the counterfeits and ...you know...

    I have seen ebay discount leds arrive broken, and some with bubbles in the lenses.
     
  7. elimenohpee

    Thread Starter Active Member

    Oct 26, 2008
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    Don't worry, I'm a practicing electrical engineer :D

    What would be even better is if I could get some free samples! :D
     
  8. hgmjr

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    Jan 28, 2005
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    Just remember that if you use these LEDs around kids, they will not necessarily understand the danger that these bright LEDs can pose to their eyesight.
    Take a look at the LEDs made by CREE INC.

    hgmjr
     
  9. retched

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    Dec 5, 2009
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    That is a good point hgmjr.

    LMNOP, hopefully you are going to reflect or diffuse the light to the area to be illuminated. If not, you get really ugly sharp shadows..harsh.. you will see. A look at the pages, you will see lenses and diffusers that snap on to the cree LEDs as well as other good LED manufactures. If you have to, make your own. Even some hairspray on a piece of plastic makes a good diffuser. You can keep adding coates of hairspray to increase diffusion.
     
  10. elimenohpee

    Thread Starter Active Member

    Oct 26, 2008
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    Thats a clever idea, I was going to assess the sharpness of the light after everything was installed. I'm pretty sure I'll have to come up with something to diffuse the light, but thanks for all the tips!!
     
  11. retched

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    no problem. The hairspray works good. Just remember to put the hairsprayed side in so you dont wipe it off when cleaning/dusting.
     
  12. R!f@@

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    Apr 2, 2009
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    Is it possible for me to buy from them?
     
  13. retched

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    Sure rifaa, they will ship to you. This is from their shipping page:
    http://www.superbrightleds.com/cgi-...ion=DispPage&Page2Disp=/contact.htm#shipoutus
     
  14. R!f@@

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    Nice.....
    Thanks buddy
     
  15. retched

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    You know me rifaa, im here to help...and get it. ;)
     
  16. R!f@@

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    By the way. They do not have paypal....how come.
    or did I missed it.
     
  17. retched

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    They do. Further down on the policies/shipping page:
     
  18. R!f@@

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    OK ..I give up....I am going to sleep.
     
  19. Markd77

    Senior Member

    Sep 7, 2009
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    Might be worth combining a white LED with the RGB LED. Although a RGB LED looks white when powered up right, it is just 3 very narrow frequency bands which is not ideal for illumination. Some things will look very strange when illuminated by it. The white ones have a wider spectrum and will make things look more natural.
     
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