Grayscale, color fidelity, saturation and gamut to factory settings
Since we are dealing with an LG OLED panel like in the LG OLED C2, the panel will have its home in the P3 color space. However, it will be decisive whether the panel can also score in the sRGB color space, or even Adobe RGB is still usable. Let’s take a look at the performance out of the box. Whether you want to use an OLED monitor for work is up to you. Topic Burn-In… But I’ll say something about that later.
Color space coverage
The built-in LG OLED panel has a wide gamut. After all, we get 100% sRGB (even though you will read 134.4% in a moment), 98% DCI-P3 and 88% Adobe RGB.
Gray Scale, Saturation, ColorChecker @ Default
As always, I also test the KTC G42P5 as-is out of the box. Calman Ultimate is set to the sRGB color space with gamma 2.2 and D65. Let’s see…
Okay, we find out that the panel is unblocked in default mode, which means that saturation in the sRGB color space is not possible. Unfortunately, in addition to the D65, the gamma curve is also a bit off. Thus, the Gray Scale, and the ColorChecker performance cannot fit. For this, we still have an sRGB mode in the OSD. Coming soon! But: OLED and contrast –> that fits! Black is known to be the absence of light. And since we’re dealing with 8,294,400 “dimming zones” – also called self-luminous pixels – even the best VA LCDs can just go home with FALD. But more about that later…
Gamut, Gray Scale, Saturation, ColorChecker @ sRGB Mode
The slight weaknesses regarding the D65 and the gamma curve also prevent a better result here. Saturation and ColorChecker are already quite decent. This is sufficient for the daily dose of sRGB content (e.g. YouTube). I’ll put my hand on the OSD again later, then it should also fit with D65.
Gamut, Gray Scale, Saturation, ColorChecker @ DCI-P3 Mode
According to KTC’s protocol, all color spaces that can be set in the OSD (sRGB, P3 and Adobe) are calibrated to the D65 with Gamma 2.2. That went completely wrong here. I measure gamma 2.6 and I can do whatever I want – I do not get to the values according to the protocol (AVG delta E 2000 = 0.88). My KTC G42P5 can’t do that, but I can’t say if that’s the case for all models. Check out other testers, maybe I have a Monday device.
Gamut, Gray Scale, Saturation, ColorChecker @ Adobe RGB Mode
The performance matches the measurement protocol (ColorChecker dE 2000 = 3.34). I measure a dE 2000 of 3.23 with the ColorChecker. You can’t expect much more with the poor D65 and only 87% color space coverage. For those looking for something to work in Adobe color space, they probably won’t be able to do much with the panel. However, it also has to be said quite clearly that LG’s WRGB OLED panels have their strengths in the P3 color space. And with that, it is quite clear that the focus is on HDR content and gaming.
- 1 - Introduction, Features and Specs
- 2 - Workmanship and Details
- 3 - How we measure: Equipment and Methods
- 4 - Pixel Response Times
- 5 - Variable Overdrive
- 6 - Display Latencies
- 7 - Color-Performance @ Default Settings
- 8 - Direct Comparison
- 9 - Color-Performance calibrated
- 10 - HDR, Summary and Conclusion
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