Homebrew PCBs

On Fri, 29 Jan 2010, Trevor White wrote:

> Hi.
>
> I have a feeling its because professional production have big 300mm x
> 400mm size panels and the number of LEDs in one unit just makes it too
> large. It would have like 400 LEDs per side. Where as at present they
> just stick a few tubes in which can be replaced easily.

I suspect too that light from a tube may be easier to diffuse.  Another 
thing may be that there are fewer parts to go bad.  Looking around town I 
see lots of LED traffic lights in various stages of partial failure.

-- 
David Griffith
dgriffi@...

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