[Leaplist] Dell 23" LCD (1080p w/50, 000:1 contrast) for $169 shipped -- WAS: LCDs at Costco ...

[Bryan J. Smith]

Are you using a CRT now?  I would assume so.  There are also additional
issues with using LCDs for such.

Understand that most commodity TN pannels have 2-6ms refresh rates
and are more than capable of the 8ms required to do 120Hz.  The
problem is sending that rate down the DVI-D or HDMI cable at 1080p
(1920x1080 at 50, 59.94 and 60Hz).

Now it's possible to do so over the mini-DB15 analog (VGA), but then
we come back to the ADC at the panel that must take that rate.  In a nutshell,
I haven't seen any LCD that takes, as an _input_ more than 60Hz at 1080-
1560 lines.

When a LCD says it does 120Hz, it does _not_ mean the input actually
allows 120Hz.  It only does its refresh 120Hz times per second.  Why is
that important?  Because movies are at 24Hz, while TV is at 30 or 60Hz,
so 120Hz is a perfect multiple of all three (3).

So, again, when you buy 120Hz, you don't always get 120Hz.

I also haven't seen an 1080 at 120Hz interlace standard, which would
solve the issue.  That would allow one to use the existing DVI-D and HDMI
bandwidth that you have at 1080 at 60Hz non-interlaced.

Hence why most shutter glasses are still used with CRTs.



----- Original Message ----
From: Richard F. Ostrow Jr. <rich at warfaresdl.com>

I wish it gave some decent information in its specifications... I was
specifically looking for refresh rate, and did not find any such info. As
such, I'd have to assume 60 Hz (until proven wrong)... which would mean
I'm definately not interested. I have other hardware that will not work on
a display with less than 120 Hz (3D LCD glasses - every other frame
blocked on each eye at 60 Hz, transforms 3D scenes into true 3D scenes).
Setting the display to less than 120 Hz just causes it to refuse to run.

On the other hand, I personally am not in the market for a new screen...
just thought I'd put the above in the mix to consider... in case people
start buying those glasses.



 -- 
Bryan J  Smith           Professional, Technical Annoyance 
Linked Profile:         http://www.linkedin.com/in/bjsmith 
---------------------------------------------------------- 
Red Hat:  That 'other' American software company built on
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controlled distribution channels of forced bundle and lock


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