[argyllcms] Re: Screen calibrator compatible with Argyll

  • From: Graeme Gill <graeme@xxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Tue, 07 Aug 2007 11:43:42 +1000

Mikolaj Tutak wrote:
What the difference between calibrators for CRT and LCD? Only mounting or internal design?

There are a few things. Typically a display colorimeter is not
an XYZ type sensor, it is instead calibrated for the typical
spectrum from a device. So most colorimeters have different
calibration settings for spectra typical of CRT or LCD displays.

LCD's have display angle issues, so an LCD colorimeter typically
has a carefully set range of angles over which it measures the
output from the display (something close to 90 degrees).

CRT's have an obvious refresh period, whereas LCD's do not, so
any CRT synchronization logic needs to be disabled for LCD displays.

Graeme Gill.

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