On 5/19/05 1:22 PM, "William Hollingworth" wrote:
> With either option, the more you change the white point away from the
> display's native white point, the more displayable levels you loose in the
> process. That is why there is a need for 10 bit LUTs and true 10 bit LCD
> panels.
That being so, and considering how Photoshop uses profiles and it's Display
Using Monitor Compensation, would it be preferable to leave the display
"native" and adjust in the application? I was under the impression that at
least with Photoshop, this is done with 21 bit precision.
> Another negative point about white point adjustment on CCFL based LCD
> monitors is that while you can scale the white point, the black point
> "color" is essentially fixed (as determined by the color of whatever light
> leaks from the LCD panel itself with a (0,0,0) video input. So your
> greyscale tracking from white down to black can be less than optimal,
> depending on the white point selected.
I could see that being a big issue.
> The upcoming NEC LCD2180WG LED based wide color gamut display uses
> individual red, green and blue LEDs as the backlight source. The intensity
> of each LED color can be controlled individually so the display's white
> point can be adjusted without having to modify the display's internal or
> host PC's LUTs. That means that:
Now you're talking! When, how much (if you can say).
> 2. The black point of the display will also vary with the white point setting.
Can you have control over both so that in essence you can like the Artisan
set a contrast ratio?
Andrew Rodney
www.digitaldog.net
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