RE: I said I wouldn't...

["Phil Harris" <phillip.harris1@xxxxxxx>]

I'm glad someone actually *KNOWS* about how these work!

My VAIO has two fairly thick bundles of minutely thin wires heading off
from
the board and they were so fragile looking that I was terrified I was going
to snap them...

....I was soo glad when the screen came up again after I upgraded the HD in
it a while ago!

Phil

> -----Original Message-----
> From: Dave McLaughlin [mailto:dave@xxxxxxx]
> Sent: 22 October 2001 00:19
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] I said I wouldn't...
>
>
> Hi Phil,
>
> The interface to most LCD panels on laptops is actually quite
> simple with a
> frame pulse, 18 or 24 bits of digital colour data (6 bits, red green
and
> blue for the 18 bit and 8 each for the 24 bit) a clock for each of the
row
> pixels and a pulse for each line.
>
> Any of the single board computers with LCD drivers can be hooked
> up to these
> LCD's as long as you have the pinout for the LCD itself. I tend
> to stick to
> NEC LCD panels and you can find these on eBay.
>
> Which LCD make and part No. have you got Pedro? I might be able
> to help you
> with this one.
>
> The best thing is that you can run Windows on these boards and then
run a
> simple full screen programme to display your pictures or video. I
> have seen
> video running on a 300Mhz NS Geode based board with smooth graphics.
>
> Regards
> Dave...
>
>
>
> -----Original Message-----
> From: Phil Harris [mailto:phillip.harris1@xxxxxxx]
> Sent: 21 October 2001 18:23
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] I said I wouldn't...
>
>
>
> Nope ... LCD displays aren't driven from Red/Green/Blue/Sync like
monitors
> ... if you take a look at the connector for the 1280x768 LCD panel
that is
> on my VAIO there are about 70 or more almost hair-fine wires
> which are used
> to supply the row-column signals required to run the screen.
>
> Phil
>
> > -----Original Message-----
> > From: Pedro de Oliveira [mailto:oliveirp@xxxxxxx]
> > Sent: 21 October 2001 18:16
> > To: 'ukha_d@xxxxxxx'
> > Subject: RE: [ukha_d] I said I wouldn't...
> >
> >
> > Phil
> >
> > I didn't read your second post but yes I am thinking of using
> the LCD as a
> > rolling still picture or maybe even showing small family videos
without
> > sound.  Taking your point about the PCB - wouldn't it be possible
to
> > substitute it with a monitor cable and a power supply?
> >
> > Pedro
> >
> > -----Original Message-----
> > From: Phil Harris
> > To: ukha_d@xxxxxxx
> > Sent: 21/10/01 18:10
> > Subject: RE: [ukha_d] I said I wouldn't...
> >
> >
> > I am of course assuming that you are referring to the recent
thread
> > about
> > sticking an LCD panel on an overhead projector and using that as
a
> > projection display...
> >
> > ...if you're thinking of just using an LCD screen as a rolling
still
> > picture
> > then the same kinds of problems exist (i.e. you still need to
drive it
> > from
> > a laptop PCB) but the decoding speed is less of an issue.
> >
> > The problem you then have is extending the signal leads to the
screen as
> > there are loads of the suckers and they are fairly limited in
their
> > maximum
> > length ... for example I wanted at one point to mount the screen
from my
> > VAIO PCG-C1F (1280 x 768 resolution widescreen format) in my
sunvisor
> > but it
> > wasn't possible due to the distance it would have had to drive!
> >
> > Phil
> >
> > > > -----Original Message-----
> > > > From: Pedro de Oliveira [mailto:oliveirp@xxxxxxx]
> > > > Sent: 21 October 2001 17:45
> > > > To: 'ukha_d@xxxxxxx'
> > > > Subject: RE: [ukha_d] I said I wouldn't...
> > > >
> > > >
> > > > Some time back (on this topic) someone mentioned taking
the LCD
> > > > display from
> > > > a laptop and using it as a picture.  How would you do
this in terms
> > of
> > > > connectors and power?
> > > >
> > > > Cheers
> > > > Pedro de Oliveira
> > > >
> > > >
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> > >
> >
> >
> >
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