>>
>> 	By "light guide" I mean a piece of plastic (for example acrylic)
>> that guides the light of, usually, a LED and can "guide" it trough
>> curves
>> and stuff like that using simple optic technics. That reference gave
>> some
>> pointers on angles, air gaps and things like that...
>
> Here's one I found recently...
> http://cp.literature.agilent.com/litweb/pdf/5988-7057EN.pdf
>
> Actual title:
>
> Light Guide Techniques
> Using LED Lamps
> Application Brief I-003
> --


Is that the one that talks about drilling holes in LEDs so you can insert
a fibre optic cable directly above the chip?

If so, it's highly recommended reading.

Tony

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