Originally Posted by Mikkle
This is tricky as there are a lot of things possibly at play here. There is always some variability in the panels, which could explain part (or even all) of it -- and which is why I hesitate to post the profiles I generate for my monitor. The picture you posted does look more pink than it should, but without hardware measurements it's also hard to say how well the 3020MDP on the left was calibrated. The Spyder series of colorimeters is also notorious for high unit-to-unit variability, and so I would be weary of using the 3020MDP as a reference and "eyeballing" it.
To give you an idea of how poorly the 27Q LED profile performs on my 30Q5 monitor, after installing it I measure a white point error of 30+ deltaE throughout the gray scale (red levels are off by 40%).
One thing I noticed this weekend while tweaking my calibration is that increasing the brightness setting on the monitor itself nudges the white point slightly towards D65. So I've obtained better results by maxing out the monitor brightness and calibrating from there. I'm not sure if this will hold for other 30Q5 units, but it's worth a shot.
I've attached an updated color profile below:
Crossover 30Q5 - 2013-05-13.zip 11k .zip file
Make sure you max out brightness via the monitor controls prior to using this profile.
Here are my post-calibration measurements:
Brightness error = -0.527398 cd/m^2 (is 135.472602, should be 136.000000)
White point error = 0.540734 deltaE
Maximum neutral error (@ 0.087885) = 1.309436 deltaE
Average neutral error = 0.500691 deltaE
Number of measurements taken = 100
The instrument can be removed from the screen.
If this still does not look good, the best thing to do would be to borrow your friend's colorimeter and run it directly on your setup
Thanks for that man, but unfortunately that new profile seems even worse off than the last! It's a LOT darker, more red and with less contrast than the last 2 profiles. I always run at 100% brightness.
If I hold up a piece of good quality white A4 paper and solid colour swatches next to my screen it becomes apparent that she screen is completely pink (so its not just me being used to the other calibration). I think we may have 2 different panels!
I would love to use my friends colorimeter, but unfortunately he doesn't have it with him any more.
Cheers for all the help though, I'm sure we'll get to the bottom of this eventually.
Can any other users chime on what's going on the icc profiles / panels?