I am only at the very early stages of experimenting with diffusion - initially with sheets of kitchen roll!
Originally Posted by mhulsman
I have found that the best results so far require a diffusion layer very close to the LEDs and another just above the negative. With just one or the other, I see obvious patches of red, green and blue light. With both diffusers I see a very even white light over the whole of the open area which is actually 5" x 7" despite this being marked as a 5" x 4" enlarger.
I'm not sure if my PCB is from a PAR 56 or PAR 64 light but mine also has 153 LEDs and looks very similar to yours, if not identical.
What is your distance from PCB to negative?
Last edited by Steve Smith; 05-30-2010 at 05:59 AM. Click to view previous post history.