Does the LCD need cooling in itself, or is it the heat of the lamp that causes
the problems?  I don't get the part about the Infra Red filters  at all.  No,
wait :-)  Are you saying that you need to filter the IR from the lamp before it
gets to the LCD?

Thanks,
Colin




I think the hardest part will the the LCD itself.  It will have to be
fan cooled, probably using Infra Red filters too.  I see it as a thermal
management project.

Sherpa Doug

> -----Original Message-----
> From: Colin Constant [mailto:Colin_Constant-NR@RAYTHEON.COM]
> Sent: Thursday, April 11, 2002 12:58 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [EE]: Build you own LCD projector?
>
>
> I would really like a smallish LCD projector.  Since LCD
> projectors cost
> thousands of dollars I thought it might be worthwile to build one.
>
> At first glance this might seem like a rehash of the "Build
> your own PC" thread
> but I think it might be a rather different situation.  I'm
> thinking that the
> price of projectors is partly dictated by low volumes.  Maybe
> there's a lot of
> labour involved.
>
> On the other hand the parts are probably expensive.  IIRC
> even replacement
> lamps can run to hundreds.  And, of course, the optics.
>
> Any thoughts?
>
> Colin
>
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