Articles: Monitors

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Color Temperature

Besides the manual setting, the monitor offers five preset color temperature modes, three of which are named as specific numbers.

The numbers agree with the names of the modes on white only. The color temperature of grays is higher by 1000K in the warm modes and by 3000K and more in the cold ones. Therefore the picture looks too cold, and white has a yellow-reddish hue at the default settings.

Well, if you reduce the Contrast setting in the monitor’s menu to 40% or lower, the difference between white and gray becomes small. The picture remains cold overall – you can solve this by calibration (using a calibrator that costs about $100) or by setting the color temperature manually (this would require much patience on your part).

The color temperature numbers cannot show a possible deflection towards greens or pinks. To check this out I will build a CIE diagram where the color coordinates of the above-measured levels of gray are marked with crosses. If the crosses do not deflect much from the curve that goes through the diagram, there are no parasitic green or pink hues in the picture.

It is all right with the Flatron W2284F in this test. If there is any deflection, it is not big and shows up on white only. This is not going to be conspicuous, especially if you lower the monitor’s Contrast setting below its default level.

The dispersion of the color temperature of white and gray I have mentioned above can be seen in the diagram: the crosses for grays are to the left and down from white, towards colder hues.

Response Time

The response time average is 5.4 milliseconds (GtG). The long transitions between similar halftones – they lie along the diagonal of the diagram – have a negative effect on the overall result. The ghosting effect is practically inconspicuous on such transitions, so the monitor is quite fast.

It is good that there are almost no RTC-provoked artifacts with this monitor. The average level of RTC errors is a mere 3.7%, which is an excellent result for a TN matrix! Comparing the W2284F with the above-discussed ASUS LS221H, LG’s monitor is better in this round. Although it is formally slower, the overall impression is better thanks to the lack of visual artifacts.

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