Screen quality and uniformity - Huawei Mate 20 Questions & Answers

Hello,
Are you satisfied with the screen quality? Mine has a yellowish tint at the bottom.

I don't see a yellow tint

You mean like this?
https://www.reddit.com/r/Huawei/comments/9wqfrw/help_has_anyone_experienced_this_lcd_backlight/
If yes, then yeah I have that too :/
Not too thrilled about that

I have something similar bleed, but it's only visible a very low brightness, like very near to 1%, I'm using display tester app to see it, with auto brightness in dark room isn't obvious.
Regarding a yellow tint, I think that my bottom half display as a slight warm white, it depends of brightness and the room light, angle that I watch the screen.

Related

Reddish brown tint when the screen dims

Anyone else notice this when the screen dims or you lower the brightness pretty low? It looks fine at full brightness.
I'm on my 2nd phone, swapped my last one due to a camera issue. My first phone didn't have this tint
I've heard OLED-based displays have inconsistent while balance, especially at varying brightnesses. I use Chainfire3D's nightmode to set a custom color. Totally worth it.

Green tint?

Just got my VZW galaxy nexus, and im loving it so far, but have noticed something odd: toward the top of the screen (about 1/4 of the way down from the top) there seems to be a very slight green tint, noticeable only when looking at a dark background (like the settings menu).
It's kind of hard to explain, does anyone else have something similar on their phones? Is this normal for amoled screens or should I ask for a replacement phone?
i believe it has to do with it being a pentile screen... well, 'HD' pentile, but still..
i'd say if you try an exchange, make sure you the test the other in store first.
can anyone with a galaxy nexus please post a photo of their phone on the settings menu? (scroll all the way down)
melterx12 said:
can anyone with a galaxy nexus please post a photo of their phone on the settings menu? (scroll all the way down)
Click to expand...
Click to collapse
Pretty sure the setting menu is a background gradient with an intended color shift.
But yeah, mine has a blueish/greenish hue if I tilt the phone away or towards me in portrait mode. Straight-on, I don't notice anything.
yeah i am talking about viewing straight on
mine has this greenish tint slightly at the top right screen...
that settings menu then scroll all the way down is normal.. the color is not as dark as the top. I'm seeing greenish tint when on white background
I have a very light greenish tint on the right side of the phone on white backgrounds with text when at low/automatic brightness. The green goes away when I bump brightness to 40%+.
Did you try that?
Oddly, when I ran pixel checker, the pure white background has no green tint to it at all.
Yeah, at low brightness I see a tint/haze but at full brightness, everything looks beautiful.
Welcome to the world of pentile.
I see the same green tint on my screen. I thought it was normal, but I compared it to another unit today and saw that my display was both dimmer at the same brightness level and had a greenish cast and different color temperature than the unit I was comparing it to. I'm not sure if this is within the normal variance for these displays, but my phone certainly looks worse to me than the one I compared it to.
Both units also showed a green/blue tint when viewed off axis but with greater discoloration on mine. The second unit showed almost no discernible tint when viewing a white screen straight on unlike mine.
melterx12 said:
Just got my VZW galaxy nexus, and im loving it so far, but have noticed something odd: toward the top of the screen (about 1/4 of the way down from the top) there seems to be a very slight green tint, noticeable only when looking at a dark background (like the settings menu).
It's kind of hard to explain, does anyone else have something similar on their phones? Is this normal for amoled screens or should I ask for a replacement phone?
Click to expand...
Click to collapse
i have the same problem. Sometimes (usually after a power down and restart) my entire screen is very dark and has a, very obvious, green tint to it. I compared my phone to my girlfriends at the same display setting and the tint is very obvious (especially when i'm viewing menu, text messages, browser). When i adjust the brightness it seems to make it less obvious, but still there. However after certain power down and restart this "green tint" seems to 'go away' only to either gradually re-appear or just happen when my phone self adjusts to "automatic brightness" setting.
p.s. my phone also, had another minor issue of random re-start when listening to music (via google music) and adjusting the sound effects option. After that restart my phones display was significantly tinted and dark. Weird, Either way getting a replacement unit tomorrow.
Mine has a very slight green tint on the left hand side of the screen when at the lowest brightness and viewing a white background.
I normally have the brightness bumped up a bit, but it still bugs me when I have it low
EDIT: Checked pixel checker, has the green tint. I can definitely see it on the keyboard as I'm typing this though
I took my unit in to Verizon today for an exchange. New one doesn't have as significant of color shifting or banding issues.
crazeco said:
I took my unit in to Verizon today for an exchange. New one doesn't have as significant of color shifting or banding issues.
Click to expand...
Click to collapse
yeah i got mine replaced the next day, all good now. No green tint, reduced banding, and much better viewing angles (the first one heavily tinted green or pink colors when viewing it from the right or left side, respectively)
Alright, got a replacement today.
No green tint that I can see, almost no banding and the colors don't change like, at all when I tilt the phone.
Now my nexus truly is perfect
Sent from my Galaxy Nexus using XDA App
DoctorSasquatch said:
Alright, got a replacement today.
No green tint that I can see, almost no banding and the colors don't change like, at all when I tilt the phone.
Now my nexus truly is perfect
Click to expand...
Click to collapse
Sorry, I find this very hard to believe. *ALL* pentile AMOLEDs change colours like crazy when you look at them at a sharp angle. It's a characteristic trait of this kind of display.
Pics from various angles or it didn't happen. ;-)
Valynor said:
Sorry, I find this very hard to believe. *ALL* pentile AMOLEDs change colours like crazy when you look at them at a sharp angle. It's a characteristic trait of this kind of display.
Pics from various angles or it didn't happen. ;-)
Click to expand...
Click to collapse
Yeah, I was exaggerating, but compared to how bad it was with the other one its crazy. Very less noticeable than my first one
Sent from my Galaxy Nexus using XDA App

Pink screen

Hey guys, I've got a tianma display with the infamous pink tint from angles. I compared it with a store unit and my unit's display quality is subpar. The brightness, contrast and viewing angles all are bad compared to the store unit which had SHARP panel. Tianma owners, did your unit's pink shift improve? How did HTC respond with your pink shift if you contact them for this problem??
PhiLee1998 said:
Hey guys, I've got a tianma display with the infamous pink tint from angles. I compared it with a store unit and my unit's display quality is subpar. The brightness, contrast and viewing angles all are bad compared to the store unit which had SHARP panel. Tianma owners, did your unit's pink shift improve? How did HTC respond with your pink shift if you contact them for this problem??
Click to expand...
Click to collapse
So the pink shift when viewing off angle stays. It's definitely not glue, rather something to do with polarisation or a coating on the display. That being said, the screen on my phone has gotten much better when viewed straight on; it always used to look rather pink when compared to my iPod Touch 6g (which is generally well calibrated) but now just looks a little cooler which is fine since the iPod is slightly warmer than neutral anyway. The screen has not gotten any brighter, viewing angles are better but still slightly pink past ~60-70 degrees, especially in portrait and much less so in landscape. It took around a month to settle down for me, I've had the phone for two months now and really like the display. I do a lot of photography work and know what a well calibrated display looks like and the 10 is pretty spot on. As for brightness, it's not the brightest always visible even in the Australian summer, just make sure power saver isn't on since it caps the max brightness considerably.

[A50] How is your screen uniformity with white/grey backgrounds?

Browsing/reading forums/pages with white/grey backgrounds i notice some mild pink clouding in particular area's of the screen.
Are a lot of A50 screens affected by this or do you have a perfect display?
Thankfully I haven't noticed anything off about the screen so far. Blacks are good as expected of amoled screens and theres no discoloration on the whites or any hues. How long have you had your phone for and did you check if the blue light filter is enabled on your phone? I know the blue light filter makes the screen have some reddish pinkish tone.
Send the first A50 back, couldn't live with the uneven pink hue. Received a new one today which is flawless! Very happy with a win in the amoled lottery.

Confirmed: the dreaded green tint display issue on both TAB S7&S7+

https://www.notebookcheck.net/Samsu...readed-green-tint-display-issue.489618.0.html
BUMP
What I'm noticing when watching videos is that blacks look grey. I don't see green though.
Beggining to love my ? display on the S7 more and more.
Perfect size and performance is really good next to my S20 Ultra (Exynos).
vangry2020 said:
What I'm noticing when watching videos is that blacks look grey. I don't see green though.
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Click to collapse
if you're using the S7 vs the S7+ then it's not surprising, LCDs do not produce blacks like AMOLED.
Superb screen display on Tab S7 using since 2 Months. i have no issues of colors nor any degradation of screen. Being an Amoled fan . I love the perfect blacks on my Old Tab S5E although more.
lot of negative Paid marketing is done against top companies before launch of a flagship device by Rival companies
So I noticed this same green tint issue. Great on the left side and it fades into a greenish tint. I assumed it was the screen but I was playing around with it and it doesn't seem to consistently appear. If I load up the play store, at lower brightness, I see it. When I open the settings menu for the tablet, same grey background and the greenish tint isn't there. The brightness hasn't changed either. I started looking at other grey screens and I see the same thing. I'm not saying it's not an issue but I would think it would be fairly consistent across grey backgrounds at the same brightness. I see it in dark mode in Google apps but not is Samsung apps or even Nova launcher settings. Weird..
I greys are a slightly different shade but the same brightness. The playstore you can see on the right side. Nova settings and one of my live wallpapers settings are both grey and no greenish tint.
Anyone else notice this?
gottahavit said:
if you're using the S7 vs the S7+ then it's not surprising, LCDs do not produce blacks like AMOLED.
Click to expand...
Click to collapse
Also, enabling the "blue light filter" severely degrades the black level. I understand it's useful for those who experience eyestrain reading white text on a perfectly black background, hopefully either Samsung or a community member can change it for those who prefer the best blacks while still attenuating the blue colors.
Hello!
I got mine a few days ago and first thing I noticed was a color tint on grey goint to green or yellow, especially on the lower brightness levels. Especially compared with my older Samsung Galaxy Note 10.1 (2014) also black ist something like anthracite, but not deep black.
So I downloaded a display test app from Playstore Display Tester, and guess what! Black is really dark black, white is bright white and grey is looking much better with almost no color tint.
Could soomebody else check it?
Btw.: Firmware is T870XXU2BUD2 (Android 11).

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