Ghost (shadow) issue with black text on white/grey background - Samsung Galaxy S7 Questions and Answers

Hey guys, I got Galaxy S7 few days ago and I noticed somewhat strange white shadow/outline under black (most prominent with bold) text on white or gray background (can be easily seen in Messenger).
I wasn't able to Google anything similar so I'm wondering if it's just me or what.
Here are two examples:
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and
It's more noticeable when normally looking at screen, but I wasn't able to capture it with my S3 Neo, so I had to zoom.
Sorry for posting images like that but I can't use links yet.

Hi,
as I mentioned in PM, I have the same problem. It is visible bellow dark/white edges. Partial circumvention is to lower the resolution, which unsharpens these edges. Simple way to replicate this with the attached image. Are we really the only two with this problems or the other S7 owners didn`t notice/don`t mind this? I`ve seen another S7 in a shop which has the same problem. All in the Czech Republic (if I guess correctly based on the images above).
Thanks for any information.
pAn

One more info on what is going on - a detailed photo. For some reason are red and blue pixels on the edge more bright than they should be.

I don`t know if anyone is reading this, but I start thinking that I have some super sensitive eyes. I saw four S7s and three definitely had this problem. I am not sure about the last one since I didn`t have enough time to test it.. I also found this article http://phandroid.com/2017/05/03/samsung-galaxy-s8-tips-tricks/ with photos of S8 and this (d)effect is visible also there. I took a look on my wifes S3 and it is OK. The display simple looks better - well the resolution is lower, but no weird effects and the colors are not shifted to red like on my S7 (I haven`t noticed before, every display has little bit different colors). On the other hand this thread is the only one notice I was able to find about it. I don`t know how differently ask google, so native speakers - how would you call this (d)effect? I cannot believe that there are only two people dealing with this.
I`ll see what Samsung service says to this.
Btw - I remember something similar on really old (like previous century) LCDs but the other way round - the light leaked from bright pixels to dark ones, if they ware next to each other.
I`ll be happy for any related information.
Thank you.
pAn

Related

Got a Problem with the screen (Very Unhappy)

Hello all, i have myself an 02 XDA Exec, but during the light of a soft reset
the screen is now working with fault
it looks like there is some sort of high contrast or the in could be bleading on the inside, but the touch feature works, will display pictures
Notice how the screen has different shades, but also patches in the corners of the screen, as ive mentioned the touch sensetivity works fine but the screen looks to be a bit pixelated and and in a different sort of contrast (i am currently reading up on the dis-assembly of it so if its something internal please say something about it)
and no i havnt banged it, smashed it, tried beating it up etc, i honestly dont know whats happened to it.
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this is my today screen after a hard reset, basic windows mobile default, look at the different tones of colouring, the sort of slashes across the screen and the shades in the corner of the screen, and im not sure why, although i dont think it really can be ink bleading as when the phone is turned off the screen is as it should be, just off.
Now i will try out the camera on both sides, from the phone and from my camera
Camera's Side
Notice how the screen is in a sort of negative/contrasted style, not one im enjoying thats for sure, but coming from the phone the results are different
Exec Camera
notice how the camera still processes the image properly
which leads me to believe something is wrong with the screen
maybe some part of the frame is being pressed against it or something like that
i will be monitoring this thread closely and please help
With Many Thanks
Exemike
Does it have this pink tint in reality too? (not only on the shots?)
If it does (and a hard reset doesn't help), then, one of the color transfer wires may be dead or have "only" developed a contact error (or, plainly, they have just been removed from their socket. This happened a lot with other models.)
That is, I'm pretty much sure it's a cheaply fixable problem. Try disassembling your casing and try to rearrange the wires.
pink/purple tint, but the screen apears in perfect shape
any guides on getting into the screen,
thanks very much.
exemike said:
pink/purple tint, but the screen apears in perfect shape
any guides on getting into the screen,
thanks very much.
Click to expand...
Click to collapse
there are several; see the "smashed my Universal screen" threads; some of them link in the official HTC disassembling guides

Display burn-in?

This G Tablet is just out of the box, but appears to have some type of "burn in" that shows up one certain colored backgrounds. I noticed it first in the background of the application Tweetdeck, but the attached image is with the plain background using the free application called "Dead Pixel Test". It was a little tricky to capture with the camera, but there is an outline about 1/2 an inch all the way around the screen with rounded corners and on the left side it it juts out to a point sort of like a "speech bubble" from a comic. This is the third display color of Dead Pixel Test, "light grey". I didn't see it with any other colors in that program, but depending on what colors are in the background in other applications, this outline may appear.
Could anyone else confirm if their display has this issue? This unit is new, so I'm not sure how it would have any burn in like this, so maybe all displays have this, or maybe it's just a display defect on my unit.
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I ran the dead pixel test and it didn't have any issues like your pic. If you bought in a store bring it back and show them the test and have them run the same test on an in store display model.
Sent from my SPH-P100 using XDA App
Definitley bring it back. Better to have peace of mind than to worry about it.
Scott
Thanks for the confirmation. It didn't look right and now it does sound like it's just a problem with this particular unit I have. I am going to take it into the store as you suggested.
LCD panels can experience retained images, but it's far less likely to be permanent than the phosphor damage seen on CRT tubes and plasma displays. The new OLED panels will probably be bad for this as well. Set a pure white background for a few hours at low brightness to keep the temperature down (with no icons) then see if your pixel test shows any difference. If the image is really permanently retained out of the box my guess would be that it was probably a test result screen from the factory.
Good reminder for the rest of us that screen savers/timeouts are important!

Uneven screens?

I want to get this phone, but I've been hearing of uneven screens on the net. People have been saying the bottom of their screens are popping up. has this happened to anyone?
and also, in this picture,
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Is the fact that you can see the light from the bottom of the screen mean that the screen is uneven?
also:
thunder9111 said:
I want to get this phone, but I've been hearing of uneven screens on the net. People have been saying the bottom of their screens are popping up. has this happened to anyone?
and also, in this picture,
Is the fact that you can see the light from the bottom of the screen mean that the screen is uneven?
also:
Click to expand...
Click to collapse
some people have this issue but im not sure if its as severe as in the image...
but mine seems to have a perfect screen
I think I'm having this issue.. where have you read about this?
I'm not sure about this problem, but I noticed that mostly users with Desire S from Asia have the screen popping issue. UK Desires seem to be fine.
From Asia here but no problem with the screen. I think it's random.
No screen mounting issues here on german Desire S.
On the picture it's a reflection on the metal edge.
Hi my first post on XDA but have been skulking about.
I'm in the UK and have had my DS 3 full days perfect no floors and set up with current OS and skinned.
Though day 4 bottom corners lifting by Home and Search keys and also have the smallest gap between unibody and screen near Volume rocker and touch keys, the gap is enough to see back light coming through in the dark/dusk.
Hope this helps i have a new replacement coming first thing tomorrow will report on that with any news.
Ok so brand new replacement handset and i still have these issues the bottom right corner is already showing that it's raised in comparison to the bottom left corner and there is still a visible gap on the left of the screen can see the charge port through this and light still shining through in the right light.
Looks like bad quality control from HTC will be contacting orange in a mo as i'm still in my cooling off period. I am really disappointed Android OS is great for the customisation but this handset seem's to have been rushed in the build quality.
Hope this helps.
I have a friend with this issue.Mine it's ok.
Greece.
Duplicate post sorry.

Skyrocket camera reddish tint in middle of scene.

I've noticed that when using my Skyrocket camera indoors, especially during the day, that there seems to be a slightly reddish hue around the center of the photo. This is noticeable in the display while I'm viewing the scene, and in the final photo. I am using auto white balance. I also notice that when I view a scene under incandescent lights using auto or incandescent w/b, the center has a greenish tint while the surrounding area is slightly reddish.
The following photo of the off white wall was taken in the early afternoon with ambient daylight. I was wondering if others with a Skyrocket have noticed the same thing. I just want to try to figure out if this is a normal condition with this phone before I go back to the AT&T store to demand an exchange. Thanks.
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pfft, quit throwing kool-aid on your wall
but no, i'll check my device a bit later after work and see if i produce the same results
JFizDaWiz said:
pfft, quit throwing kool-aid on your wall
but no, i'll check my device a bit later after work and see if i produce the same results
Click to expand...
Click to collapse
That wasn't Kool-Aid, that was wine. Lol.
After doing some experimentation, I have discovered that the light pollution from my LCD TV and my PC monitor in a room with ambient daylight seems to be the culprit here. I am somewhat of a photography buff and understand the effect of different types of light on digital photography, so I tried turning my monitor and TV off, and the reddish tint disappeared. My real cameras don't have this problem, but I guess the camera on this phone isn't quite up to the task of properly adjusting to different light sources at the same time. Anyway, I'll just have to be aware of this whenever I take photos indoors.
I'm still interested in hearing about your results, though. Thanks.
Oops, spoke too soon. I tried it again this morning and got the same red splotch. Maybe the lighting was different earlier. Anyway, I did some more searching leaving "Skyrocket" out and came up with several threads about this in the Galaxy S2, and other forums. Seems to be a common problem with the white balance in a lot of phone cameras, so I guess I'll just live with it.
reddish hue in middle of scene in camera
Sorry to bring up an old post, but I recently purchsed this S2 Skyrocket and have seen the same issues. I was about to call AT&T for an exchange, but could I be safe to say, i just need to adjust white balance?
There has been no other replies so either you and I are the only ones and need an exchange or others are just not replying.
Hope others can chime in.
Thanks!

Question Screen problem.

hello I would like to report a software bug of the pixel.
when we put the color profile in adaptive and we before the brightness of the screen to full on a solid color (notification panel, settings) we can notice a line that is displayed along the entire length of the screen
this is indeed software bug because i currently have pixel 7 pro and i proceed this bug on both.
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This is also happening to my pixel 7 pro.
It is more visible with brightness set to max and only occurs on grey backgrounds like notifications panel or chrome tab manager when dark mode is enabled.
The line is wider at 1080p and thinner at native resolution. Changing colour display from adaptative to natural also changes the line appearance (from grey to dark blue) but it is always present.
Sometimes it disappears on its own after a short time. Touching the screen may also cause it to disappear or reappear.
I´m not sure if this is a software or hardware issue.
Anyone else facing this problem?
while i have a pixel 6a .. this happened (since) last week here as well. not sure how these two devices are comparable in that regard.
for me the line can be "forced" to show up more visibly when "pressing" some specific area in the lower part of the display (just like a usual display-touch, but using more force), and can be made almost invisible when "pressing" (with force as well) the outer case pf the phone (from all sides). either way, it’s seems to be a hardware problem for me. google support agreed (!) and right now the local repair shop (acting on google’s behalf) ordered a new display for me and will install it next week. the guys at the shop already told me they’ve seen a few of these cases BUT always after the phone fell down on hard ground or something (which wasn’t the case for me).
I think it is more of a manufacturing flaw/design/anomaly??? Not so much a bug or something to really worry about because it only appears under certain extreme conditions such as MAX screen brightness with dark mode on certain colors. Meh...

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