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[Q] Strange ring on the gray background

I find a strange ring on the gray background, such as the background of the notification interface.
The ring can only be seen in dark circumstance and it won't appear on the backgound in any other color. I've run some screen test software to ensure this strange problem.
Is there anyone else found this problem? How does it comes?
You can see the ring in the pic. I turned the light off when took the pic
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Is it possibly burn in? Many amoled screen owners have burn in, including me and hundreds of other nexus one owners. Is there something circular that stays in that location on your screen all the time?

It could be the wallpaper?

Yes if your wall paper has a circle in that location, that guaranteed that's it. These amoled screens do not like static images in one location, burn in is very common.

RogerPodacter said:
Yes if your wall paper has a circle in that location, that guaranteed that's it. These amoled screens do not like static images in one location, burn in is very common.
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I'm sure that it is not cause by burn in, becasue I only use the nexus default live wall paper and none of my apps have a circle in that place.
Like I said, the most strange thing is I can't see this circle in any other background except the gray one.

nexussss said:
I find a strange ring on the gray background, such as the background of the notification interface.
The ring can only be seen in dark circumstance and it won't appear on the backgound in any other color.
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Click to collapse
I have the very same ring here, also only visible in dark environments. Looks like they are using vacuum cups to handle the display glass ...

umbrella42 said:
I have the very same ring here, also only visible in dark environments. Looks like they are using vacuum cups to handle the display glass ...
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ja, I also guess that is caused by the way of handle the screen.
BTW, your Nexus S is i9020 or i9023? It seems that the Nexus S sold in Germany is i9023.
If your device is i9023, than it will prove that the problem can be found in both Super Clear LED and Super AMOLED (my device is Super AMOLED).

I have that to.
But I only see it in the notification bar. I think its suppose to be there....

nexussss said:
ja, I also guess that is caused by the way of handle the screen.
BTW, your Nexus S is i9020 or i9023? It seems that the Nexus S sold in Germany is i9023.
If your device is i9023, than it will prove that the problem can be found in both Super Clear LED and Super AMOLED (my device is Super AMOLED).
Click to expand...
Click to collapse
It's a i9020 imported from UK.

Did you ever figure this out? I have the exact same problem, my ring is the same size, but a different location

so how do we get rid of it???

Horizontal lines in blue and gray areas

Hi,
Two weeks ago, I bought the Moto G. It is a great device. However I made a strange discovery.
When the brightness is high, there seem to be horizontal lines in blue and gray colors like the
facebook icon. You need to look very close to see them. When I looked at the display with a
magnifieng glass, every second line of pixels where in a lighter colour as the others.
All images are very sharp.but still the pixel-lines can be made out. If this is normal, then I will
live with this.
Thanks for any information

That doesn't sound normal. Could you take a close up picture of the affected area? Anyways I would definitely request a replacement.
Sent from my XT1034 using Tapatalk

I just found a thread including a picture which exactly describes the issue.https://www.google.com/url?q=http:/...ds-cse&usg=AFQjCNGaI4cLfsNaFK0vygdf_32mc49XyA

I tried to reproduce that image for you on my moto g with the Facebook icon and this is what it looks like
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As you can see it doesn't very similar to the picture that user you linked posted, so I do think there's a defect in your screen.
Sent from my XT1034 using Tapatalk

Thanks for the fast reply. My picture however is only an example for the effect. When I zoom into your picture, I can also see the horizontal lines in the screen. Especially in the right sie oft the Google search bar and in the battery Symbol. The whole screen is made out of horizontal pixel lines. So I presume that all moto g will be like that. But I am suprised that I can See the lines with my bare eye in a HD screen.

Hi,
today I received my cristal clear screen protector. As soon as it was on the screen, the issue with the horizontal lines nearly vanished.
I don`t know why that happend but a screen protector solved it for me.

I've noticed the exact same issue on my MOTO G.
And i'm very surpised to see horizontal lines on an HD screen. I have also a Sony Xperia Neo V with much lower pixel density (265 i think) and it's very crisp and smooth with no lines at all..
My wife has also the same issue on her MOTO G.
It's present only horizontally and when you look the screen in a slight angle upwards..No downwards. When i change screen orientation to landscape the 'lines' are always there.. but now vertical.
They are present in the 1280 side and not in the 720. i think that every second pixel line is white.. Like i have 640 pixels only. That's happening in solid colors background and especially in grey, blue and green colors (like in the green message icon, or most noticabely in the grey keyboard buttons and in the battery icon on the status bar).
That's very strange and i don't know if i'm going my phone to the service because maybe they think that i'm too weird looking for such small things with a very nice handset by any other means..
Thank you very much and sorry for my bad english

Yellow tint, is it normal???

Hi,
Is this normal or should I do a RMA with Amazon UK? Any of your NST has this problem?
Colour Adjustment: sRGB
Left: Nexus 7 2012 3G 32GB, Right: Nvidia Shield Tablet 32GB LTE
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Colour Adjustment: Native
Left: Nexus 7 2012 3G 32GB, Right: Nvidia Shield Tablet 32GB LTE
I think both mode comes with yellow tint of cos, sRGB mode is more yellowish and the screen is definitely not as bright as Nexus 7 2012.
Pls comment. Thanks.

Is auto brightness on or off on both devices? I find brightness can affect color quality sometimes.
Is PRISM Mode on or off on the shield? I have turned this off in the hidden NVIDIA power menu (see other posts about this) because it was causing some color issues for me.

jaredmorgs said:
Is auto brightness on or off on both devices? I find brightness can affect color quality sometimes.
Is PRISM Mode on or off on the shield? I have turned this off in the hidden NVIDIA power menu (see other posts about this) because it was causing some color issues for me.
Click to expand...
Click to collapse
both screen are at its max brightness. Let me take a look at the PRISM mode.

stan79 said:
both screen are at its max brightness. Let me take a look at the PRISM mode.
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For the record, with Native color mode, I noticed a blueish tinge to the screen. I selected sRGB to correct this and whites look white like they should.

stan79 said:
both screen are at its max brightness. Let me take a look at the PRISM mode.
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slightly brighter a bit but the brightness still loses out to Nexus 7 2012. Using Native mode, the colour is still slightly yellowish/ greenish compared to Nexus 7.

stan79 said:
slightly brighter a bit but the brightness still loses out to Nexus 7 2012. Using Native mode, the colour is still slightly yellowish/ greenish compared to Nexus 7.
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sRGB mode is making the screen looks even more yellowish compared to my OPO, N7 and even my Macbook. Should I RMA it or is that any tools that can calibrate the colour?

Turn it to native and it should be less warm. The shield has a warm screen compared to other devices. Warm screens reduce eye strain and is better for viewing at night and does not affect your melatonin levels as much as cooler screens when reading before bed.

Suddenly my Nexus 7 looked exactly like a Galaxy S2. Don't worry, you aren't the only one to notice this, but even my keen eyes weren't bothered by it when it was alone. And I'm a big Samsung fan, so that's saying a lot.

So, my screen isn't too warm, but the top 1,5 cm have a yellow shadow. I think this isn't normal. I think, I have to make an rma.

Poco F2 pro vertical line shadow on the screen

Hi All
I have a vertical line on the middle of the screen in poco F2 pro MIUI 12, 8/256, this line appears in grey color when no or low light in the room when I run tester there is nothing in other colors put when on grey and dark grey it's appears if any one can tell me that is defect screen or what and if there is any solution. I'll attach a photo from another phone to explain.
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Regards

Can't see the picture but I might know what you talking about.
My F2 has also vertical "spots" in low light/dark conditions when there also dark content displayed on the screen.
I think it is normal for OLED Screens, although I must say it is quite visible on the Poco f2.

GalaxyFan88 said:
Can't see the picture but I might know what you talking about.
My F2 has also vertical "spots" in low light/dark conditions when there also dark content displayed on the screen.
I think it is normal for OLED Screens, although I must say it is quite visible on the Poco f2.
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Thanks for your reply
Yes it appears in dark condition specialy on grey, dark grey color and a lot of apps using it in dark mode so it's normal no need to change the phone

dedo_ryo said:
Thanks for your reply
Yes it appears in dark condition specialy on grey, dark grey color and a lot of apps using it in dark mode so it's normal no need to change the phone
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Click to collapse
Yes exactly. I must admit it is quite irritating seeing those at first; these "shadow lines" are especially more prominent when the DC dimming feature is activated.
I had those on every phone with OLED Screens (Galaxy S, S2, S3 etc. you name it) and also on the OnePlus 6.
I assume OLED Screens are not perfectly balanced out regarding their illumination strength or there are slight impurities/imperfections in the panel, since these are organic light emitting diodes. But I don't really know why these lines appear especially in low light conditions.
Other than that it does not bug me much (anymore) since in most use cases the lines/shadows are not visible.

Backlit AMOLED panel??

It's my first contact with an oled panel from close view and personal usage. I noticed that the display acts like and LCD which is backlit even if there is a black image. Is the same supposed to happen to AMOLED? I thought the pixels would light themselves and if there is a black image, the screen should look the same like when its turned off - and it doesnt act like that, there is a dim light that's showing up when the screen is on and displaying a black image. Is it normal? Is the screen replaced with an LCD? ( i bought the phone used )
THanks!!

Easy test for an LCD, view through polarized glasses and rotate.
LCDs have a polarization filter so a second polarized lense with block the polarized light at some point in it's rotation axis.

Sadly i dont have a pair

I tried to take some samples of the pixels with another phone, here are the results:
MI MIX 3:
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Photos taken of a LCD tablet:
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Is it possible to say from these pictures that the display on the mi mix isnt RGB Stripe?

Like, maybe im considering it wrong, but i thought viewing from this angle an AMOLED panel with a black image should be the same like the second image when its off:

The contrast ratio of Amoled vs LCD is exponentially greater.

Searched through some logs and apps and found out its a samsung ea8076 - same display which is on the K20 Pro/mi 9t pro. Everywhere i searched i've found only amoled, i also looked up on the internet and there are available TFT replacements for the mix 3, i think it's amoled but it's very unusual - if i put a true amoled black image on the screen and increase the brightness, the screen gets brighter, even if there's nothing else than black pixels. Also, the maximum brightness is slightly lower than the one of my older phone ( RN3 Pro). I don't know what to believe at this moment.

Indeed it's changed, it's lcd, checked it under a microscope

to add on this, an easier test may be to check if a black background/image results in no light coming from screen (easier to see in the dark). LCD displays emit light (the backlight is still on) even for black images, oled do not

CriGiu said:
to add on this, an easier test may be to check if a black background/image results in no light coming from screen (easier to see in the dark). LCD displays emit light (the backlight is still on) even for black images, oled do not
Click to expand...
Click to collapse
The easiest foolproof way is view with polarized sunglasses and rotate.
LCDs show their stripes...