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9 million pixels

607 Views 6 Replies 7 Participants Last post by  Cruiser
From "The Economist" Sept 22, 2001:

"...IBM has created a monitor which, when viewed from 18 inches away or farther, shows images that the human eye finds indistinguishable from the real thing.

"The T220, as it is called, measures 22 inches across the diagonal, and displays 9.2m picture elements ("pixels"). That gives it a resolution of 200 pixels per inch, twice the previous state of the art."

See the following IBM info:

How long before this technology becomes more afforable?
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i'm confused. the problem here isn't the display - it's feeding it.

this would require a minimum throughput of four (3.6) DVI TMDS channels to feed pixel by pixel. no device on the market today utilizes more than one channel currently (maybe a few seriously insane things, but no plasma panel).

or is that matrox card something that's doing some seriously creative math to minimize the info that has to get passed to the panel?


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The T220 uses four PCI video cards; future versions may require 'just' two video cards. Sells for $16K. Not really sure that it would be used for by consumers. Probably it's more for prepress or other graphical application.
I saw this at the SID exhibition in San Jose and it looked amazing. I too wondered how it would be driven.

In this month's "Information Display", the journal of SID, which by the way is fascinating, this issue is discussed in an article by Bob Myers.

He says:

" ... even at just a 60-Hz refresh rate, a display using this format will consume over 1.6 gigabytes of data every second. (IBM, Hitachi, Sharp and Toshiba).... demonstrated a prototype system using Digital Package Video Link (DPVL) .... which is being considered for standardization by VESA, and could potentially provide much simpler support for high level pixel count displays through a more efficient use of the digital interface's capacity".
One major use is medical imaging where detail is extremely important.
It was designed and developed in conjunction with Lawrence Livermore laboratory. THe computers driving it are very custom.

It is designed to use for looking at sub-atomic particles in nuclear reactions.
I wonder what the price would be on one of these.....
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