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Monday, May 20, 2013
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Comments
RE: T220 by: Theo Valich on 3/26/2009
Actually, I had it for couple of weeks... the biggest problem of T220 was mandatory requirement for two dual-link DVI's, that were a bit scarce in 2001 ;)

Second problem was the refresh rate... 30Hz is just way to low even for an LCD screen - scrolling web-pages was really uncomfortable, same thing for moving objects in AutoCAD.

Thanks for all the corrections, though.
Umm.. math please? by: General Lee D. Mented on 3/26/2009
"It looks a little bit weird that the panel is still 16:9, but this is more natural than 3840x2160, a 16:10 resolution squeezed on 16:9 panel."

2160 / 10 = 216 * 16 = 3456. 3840x2160 is 16:9, 3456x2160 is 16:10, or 3840x2400 is also 16:10. Note 3840 = 1920x2 and 2160 = 1080x2. That's QuadHD.

4096x2160 = 256:135 aspect ratio or 1.896:1. That matches 4K DCI specs for digital cinema projectors: http://en.wikipedia.org/wiki/Digital_Cinema_Initiatives

Oh and neither of those Westinghouse displays you liked are DCI 4K compliant. One is quad-720, the other is quad-1080.

IBM had a 22.2" LCD back in 2001 called the T220 that did 3840x2400, and there was a T221 that fixed some signal issues. I think Toshiba had a similar one as well back in 2007, but it might have been only in Japan. I think both have gone extinct now though.
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