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Some time ago I bought LG 55nano90 IPS TV. A model with kind of advanced LCD color filters. At LG Website it is called a Wide Gamut panel type, so I thought it is a bargain.
But I had an old GTX870Ti card incapable of HDR and even 4K RGB link.
Now I have upgraded to RTX 3070 card, capable of both HDR, and Wide Gamut.
However, whenever I run DisplayCal with Video (D65, Rec.1886) preset, I get an sRGB 99.1%, not wider gamut. Almost exactly at sRGB primary corners of the CIE-XY triangle.
What’s wrong? Does LG lie about its HDR/Wide Gamut features? Or I need something specific to configure? I am running DispplayCAL at Windows 10 x64 Pro.
P.S. when connecting the TV as a monitor to hdmi, HDR link logo is displayed.
In the image, the option is always in “use nvidia color settings”, “use default” makes colors distorted, control panel self-closing, and it returns back to “nvidia” after reboot.
Calibrite Display SL on Amazon
Disclosure: As an Amazon Associate I earn from qualifying purchases.TV is likely to be in Rec709 mode. Read TV Manual about the OSD mode with saturation controls. It should have options closer to native gamut.
Found Native Gamut.
It is not available when the connector icon is set to PC! Changed it to uncertain HDMI, and gamut became available. But it is still 101% of sRGB, not wider. Almost inside the observation error. Meanwhile, I found 2 or 3 websites claiming that they have measured gamut closer to DCI-P3. Particularlu nano90 model. I just do not understand that.
If you have HDR turned on in Windows applications that don’t support HDR (which includes DisplayCAL) will be limited to the sRGB color space.
Unless you are going to be exclusively viewing HDR content from your computer I’d turn off HDR. https://tftcentral.co.uk/articles/heres-why-you-should-only-enable-hdr-mode-on-your-pc-when-you-are-viewing-hdr-content
It’s also difficulty to properly profile an HDR display because of the displays tone mapping. You can search this forum for advice on how to try and deal with those issues. I have no experience doing so.
If you simply want to calibrate your TV without any ICC profile https://sourceforge.net/projects/hcfr/ is a better choice although it’s not very user friendly.
If you still want to attempt to do an HDR calibration and create an ICC profile for use on your PC then the only way I know of to get DisplayCAL to output HDR on Windows is to run it though MadVR and then set up MadVR to output HDR.
To do that in MadVR setting go to devices > pick your display > hdr > select “passthough HDR to display” and also check the box “send HDR metadata to the display”
Then in DisplayCAL select MadVR in the Display drop down. In the MadVR window that pops up when you do your measurements will have an HDR button make sure that’s highlighted and you may need to switch the MadVR window to fullscreen and back out via ALT+Enter before it’ll switch to HDR mode.
For God’s sake, please never tell anyone what he should not do. O.K. I will give a hint. I want to convert it to a HDR/WGC media station. Partially because I make shots with Adobe-rgb aware camera. Yes, I know what are icc profiles, I have i1Display(pre-calibrilla version), ColorMunki, and use ICC aware software. And I had a Adobe-gamut capable laptop… well before it said good-bye.. so I really need it.
What I want to know is HOW to enable TV’s LCD panel full gamut.
Speaking about DisplayCal, I am highly surprized, shocked, that is it not a Wide Gamut program, because there are obviously DCI-P3 and Rec.2020 presets present.
>then the only way I know of to get DisplayCAL to output HDR on Windows is to run it though MadVR
(!)seems very valuable hint! Great explanation, will try it this week 👍
Is this yours?
https://www.rtings.com/tv/reviews/lg/nano90-2021
Seems sRGB-like with extended red, even in P3/native mode: built in modes / LUT tries to track simulated colorspace till it gets near out of gamut where the mapping turns to closest in gamut color.
Green is in 0.3, 0.6
As patrick said you can get these graphs with HCFR. Target colrospace is configured in reference. There is a thread in AVS forum for support for this app.
Yes. It is mine, just a different submodel with embedded decoder.
And I do not get even close to that. Generally, all the same sRGB. But as patric said, DispCal cannot render Wide Gamut colors in Windows. So I guess, that is the problem I am facing.
Speaking about not so Wide gamut, I expected that. LG does not call it neither P3, nor Adobe. Just their “nano color”.
And I do not get even close to that. Generally, all the same sRGB. But as patric said, DispCal cannot render Wide Gamut colors in Windows.
That’s false. Read again what he said. Actually Windows out of HDR mode can only render in full colorspace of a display (full colorspace for a given OSD preset)
Just don’t use HDR modes, then choose an OSD preset with native gamut.
Ok, do you mean full gamut is not available in HDR mode? I mean, why can’t I get both in HDR software? Or do you mean calibrating with HDR-mapping off? I do the latter.
HGiG does not allow HDR mapping if a game did not request it.
I am not quite sure how to calibrate with HDR on because it is a dynamic thing, so I guessed that Patrick meant WCG which should become accessible with TV’s HDR input mode.
The ultimate goal for me is getting the “validation” to pass through full gray’s range, while adjusting the TV’s 22 calibration points. Then calibrate LUT, build the ICC, and enabel HDR mapping in TV’s menu.
But I still cannot even reach anything wider than sRGB in primaries.
For God’s sake, please never tell anyone what he should not do. O.K. I will give a hint. I want to convert it to a HDR/WGC media station. Partially because I make shots with Adobe-rgb aware camera. Yes, I know what are icc profiles, I have i1Display(pre-calibrilla version), ColorMunki, and use ICC aware software. And I had a Adobe-gamut capable laptop… well before it said good-bye.. so I really need it.
Let me rephrase. Unless you are currency using an HDR capable application to view HDR content you should have HDR turned off in Windows.
It does not sound like you are exclusively using HDR applications to view HDR content so my suggestion still stands.
If you don’t believe me then read the article I linked for why that is the case.Speaking about DisplayCal, I am highly surprized, shocked, that is it not a Wide Gamut program, because there are obviously DCI-P3 and Rec.2020 presets present.
It is perfectly capable of doing so when you have HDR turned off in Windows, it’s just not an HDR application.
What you say you want to do is going to require that you turn HDR off and on in Windows depending on if the media you are viewing is HDR or not. Wide color gamut doesn’t necessarily mean it’s also HDR.
So what I suggest you do.
Turn off HDR in Windows, run through the calibration/profiling process in DisplayCAL. The resulting profile will be what you use when HDR is turned off.You can attempt to calibrate your TV while HDR is turned on but doing so with DisplayCAL is difficult and HDR applications generally aren’t color managed via ICC profiles anyways, So it would be better to use HCFR to make adjustments to your TV’s controls and disable any ICC calibration/profile on the computer when HDR is turned on.
>It is perfectly capable of doing so when you have HDR turned off in Windows, it’s just not an HDR application.
OK. We came to this.
So why do you write an Iliad epic about HDR, when I asked about Gamut?
As I said, there is a problem, many websites demonstrate wider than sRGB gamut for this TV. Official website tells “Wide Gamut: nano Color”.
But I still do not know how to reach it. No matter what I do, the colorimeter measures sRGB.
