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Debbie

We use DLP technology and I think Ted is being conservative in his 5-6 mo.
bulb life. We have had a 1.4m DLP screen operating continuously for 9
months - still as good as new!

Glen

----- Original Message ----- 
From: "Ted Koterwas" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, August 16, 2007 7:16 PM
Subject: Re: large screens/monitors


> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
institutions.
>
****************************************************************************
*
>
> Hi Debbie
>
> The LCD panels in projectors burn out within a few years of continual use.
> they get what we called the "blue amoeba of death" - blue splotches.
Routine
> maintenance (vacuuming or replacing the filters and changing the bulbs on
> schedule) is essential for prolonging their lifespan. DLP projectors are a
> good alternative in that many of them have "sealed optics" to keep out
dust,
> and they are supposed to have a longer bulb-life. There are trade-offs,
> however, in terms of brightness and image quality, though these are
becoming
> minimal as DLP technology matures.
>
> For projectors, plan on a bulb budget of $400-500 every 5-6 months.
>
> LCD monitors will likely last a lot longer with a lot less fuss, but the
> trade-off, of course, is size and impact on the visitor - a video the size
> of a wall has quite a bit more than even a 42" screen! A grid of LCDs, of
> course, might be something to consider, though probably pretty pricey. I
> dont recall being partial to a particular brand, although I'm sure some
> people swear by one. We did have some relatively large Viewsonics, 2 of
> whose power-supplies died after about 3 years. But we had bought them
> refurbished to begin with, so that might have been part of it.
>
> The Imaging Station facility at the Exploratorium has a number of large
> Plasma screens. I think they are Pioneer's. Charlie Carlson would have
more
> detail on them.
>
> best,
>
> Ted Koterwas
> WDIL.org
> http://www.wdil.org
>
> On 8/16/07, Ami Dror Gmail <[log in to unmask]> wrote:
> >
> > ISEN-ASTC-L is a service of the Association of Science-Technology
Centers
> > Incorporated, a worldwide network of science museums and related
> > institutions.
> >
> >
****************************************************************************
*
> >
> > Hi Debbie,
> > My recommendation will be to combine few LCD monitors. This solution
will
> > have low maintenance and will be low-cost.
> >
> > The 2nd best is DLP projectors - keep in mind that you will have high
> > maintenance cost (lamp replacement)
> >
> > The 3rd option will be a big LCD screen - they are very expensive and
> > limited life time (when looping a show)
> >
> > RGDS
> > Ami Dror
> >
> > -----Original Message-----
> > From: Informal Science Education Network [mailto:
> > [log in to unmask]] On Behalf Of Debbie Colodner
> > Sent: Wednesday, August 15, 2007 11:01 PM
> > To: [log in to unmask]
> > Subject: large screens/monitors
> >
> > ISEN-ASTC-L is a service of the Association of Science-Technology
Centers
> > Incorporated, a worldwide network of science museums and related
> > institutions.
> >
> >
****************************************************************************
*
> >
> > Hello all,
> >
> >
> >
> > I'm looking for advice on large (>60") monitors or projection systems
> > for continuous play of video in a small exhibit hall. Does anyone have
> > advice regarding the durability, reliability, up-front and maintenance
> > costs of  LCD monitors vs. LCD projectors vs. plasma monitors?
> >
> >
> >
> > Thank you,
> >
> > Debbie
> >
> >
> >
> >
> >
> > Debra Colodner, Ph.D.
> >
> > Associate Director
> >
> > Center for Sonoran Desert Studies
> >
> > Arizona Sonora Desert Museum
> >
> > 2021 N Kinney Rd.
> >
> > Tucson, AZ 85743
> >
> > 520-883-3021
> >
> >
> >
> >
> > ***********************************************************************
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> ***********************************************************************
> For information about the Association of Science-Technology Centers and
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>
> Check out the latest case studies and reviews on ExhibitFiles at
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