HP extended gamut monitor
HP extended gamut monitor
- Subject: HP extended gamut monitor
- From: tom lianza <email@hidden>
- Date: Wed, 11 Jun 2008 08:13:19 -0400
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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