Re: HP dreamcolor screen, any opinions?
Re: HP dreamcolor screen, any opinions?
- Subject: Re: HP dreamcolor screen, any opinions?
- From: Andrew Rodney <email@hidden>
- Date: Tue, 12 Aug 2008 07:44:17 -0600
On Aug 12, 2008, at 4:42 AM, Roger Breton wrote:
Maybe, by now, Andrew has
seen the HP and could comment since he has the NEC LED?
I saw one on Tom Lianza's desk a few weeks back. Tom posted his
initial comments on this unit in June:
Hi to all,
The HP 2480zx is a 24 inch display, not thirty. It has a gamut that
exceeds the primaries for Adobe RGB and normally meets the Digital
Cinema P3 gamut, but that may be just missed due to LED variability
so it is labeled P3 emulation. The display has a radically
different numeric pipeline. It has a complete matrix shaper look up
table capability. The display can accept dual link multi-byte 10 bit
image data and the pipeline works to 12 bits. The LCD module has a
true 10 bit interface. This means that full 10 bit data is being
passed to the display module which is very unusual. The LUTS are 12
bit deep. The matrix multiplier allows the display to change color
spaces instantly. The display has an LED backlight and that is used
to control luminance and white point. This display has been
designed to work at lower luminances. It can be adjusted from 45 to
250 NITS. This lower range is needed in the Motion Picture Market.
The Contrast Ratio is 1000:1 or greater. The display is aimed
primarily in the video and motion picture market place, where they
have a number of color space standards based upon media and content
delivery. The "shift on the fly" color space emulation is very
suited to color evaluation in these markets. For the photographic
and Graphic arts community, the display's gamut and it's ability to
handle greyscale ramps without banding artifacts should be
appreciated. I have never seen gray ramp performance as good as
this on an LCD. It will take a while for the average graphics card
to catch up with the interface capibility of this display. I wish HP
lots of luck with this design. It is a radical departure from
typical displays and it hits a price point that is well below most
of the professional displays in the video and motion picture market.
Regards,
Tom L.
Director Video and Motion Picture Technology
X-Rite.
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