[AG-TECH] Multi-Headed Display

[John Shalf]

On Thursday, October 24, 2002, at 05:12  PM, Scott Miller wrote:

> I am a casual reader of this mailing list.  This thread caught my eye 
> since this is what I do for LLNL. 
>
> There is a company, National Display Systems, that makes these tiled 
> displays that are ready out of the box.  They are intended to be used 
> as you describe the panels that you are putting together.  They end up 
> with about a 1" mullion and are VESA compliant for mounts.  Of course 
> with this solution you do not have the fun of ripping the plastic off 
> your monitors but it makes for a nice display.

I've seen National Display before.  They are really popular with the 
NYSE and other stock displays.  There are plenty of commercial vendors 
for these LCD tiled displays, but I think the primary motivating factor 
for ripping plastic or buying unpackaged displays is cost.  I think EVL 
gets the mullion down to considerably < 1" too.  Otherwise, there are 
plenty of commercial vendors who do this (just not cheaply).

> Has anybody seen a real seamless system (zero mullion)?  For the 
> applications that I am running I can not tolerate the loss of pixel 
> data required to do edge blending.  That is what I mean by real.

Well, the Barco rear-projection/Atlas displays have a 0.3mm mullion (1/3 
of a pixel).  Thats about as close to zero as I've seen.  It doesn't fix 
the color calibration problem though....(never will).

-john
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