While these two screens have the same physical parameters, they don't have the same display quality. For that I noticed, the dual screen shows vertical banding (in landscape mode) on a white background (less clean background) as also mentioned by others. Also the dual screen seems to retain the image (ghost image?) more significantly than the main screen. For example, an icon will still be slightly visible even if the icon is not there anymore. I don't think it is screen burn, as the ghost image will eventually disappear.
I've seen this complaint a couple of times over the last few weeks, but I've seen more (myself included) who have not noticed any issues with the secondary display.
I have no banding issues,and it looks just as clear and crisp as my main display.
You may have a bad unit. See if LG is willing to swap your dual screen case
Hi,
I seem to have these band-issues as well, like some parts of the screen aren't lit properly... When the brightness is over 70% it's less noticable
Related
Hello XDA,
I've searched around for this problem a bit, and it seems this issue hasn't been brought up anywhere. If it has, then I apologize.
The S2 has an awesome display with great colors, blacks included, but I noticed this issue one night when I was watching a film on my S2. When the display is showing black/dark images you can clearly see what appears to be glue smudges all over the screen, especially along the rims. It is only noticeable when there's little to no other light in the surrounding environement. Increasing brightness seem to worsen the problem.
It is hard to describe and very difficult to capture on camera but I made an attempt. I can't post links yet it seems but here's an imageshack url:
img842.imageshack.us/img842/5420/blotches.jpg
The image was taken with a Canon 450D with 20 sec exposure (hard to focus when it's that dark I'll tell you). Edited slightly in photoshop to cut down the size.
Here you can see the general color of the screen (gray-ish) and some of the blotches of (what I'm guessing is) glue in the back. If I had to guess I suspect the blotches might come from the capacitive touch layer of the screen. Is this an issue or is it to be expected on phones like these? It's not a major problem but it's actually quite annoying when you're watching a film/youtube clip/playing a generally dark game or whatever. Should I return my device? I've used it for just about a week and a half.
Thanks in advance for any help.
i have this too, its the AMOLED display. you can turn the screen off and on and you'll see it go off n on. not the sgs, but amoleds generally. my omnia HD had this too (1st gen AMOLED)
the blacks are not 100% black i say
Im having this too, nothing to worry about this as it doesnt disturb the beautiful display of this mobile.
Hello to all
As the title says it's another screen defect that this phone have
I have noticed a darker area, which make almost a perfect rectangular shape upper to left of the screen and it is visible only in some circumstances
- screen brightness need to be lower that maximum (the lower it is the higher this defect is visible)
- mostly visible on grey image (for example the market startup) see other images in the links
http://imageshack.us/photo/my-images/85/img0636gb.jpg/
http://imageshack.us/photo/my-images/851/img0635ul.jpg/
http://imageshack.us/photo/my-images/864/img0633u.jpg/
not visible at all on black screen of course but when the screen is off and with a bright light (sunlight of a power lamp) in some right angles I can see some darker dots (looks to be some kind of liquid inside the screen) at the size of 5mm and also this rectangular shape (good eyes need here ) no picture for this because it is not visible with any camera
I wonder how came to this and is any possibilities to fix this such as those screen burners, could these help? or only a screen replacement?
PS: phone have no waranty
Thanks
Screen burns are permanent on AMOLED as far as I know. You'll either have to live with that or do a costly screen replacement.
Ah well, guess I have to live with it, not a major problem but it's looks a bit ugly sometimes.
Just read a bit more about amoled screen burn and it seems that the blue leds are the most that probably get weaker in time and causing this screen burn, and yes this is an explanation why on a blue screen this is almost not visible no mather of the screen brightness
Maybe burn all the screen with a white image, but I believe the result can be worst that this
Thanks
OK, I have seen several threads here, concerning image retention problem, sometimes marked as screen burn. So I thought we could collapse into one general thread on this subject.
So, LCD screen does not have image burn problems. Image burn is name for persistent effect. What we have with our Primes is image retention. This effect is caused becouse liquid crystals in LCD gets used to its certain possition...
For example, if you have some bright background, and you leave it unchanged for about 10-15 minutes, than run some grey screen picture, you will see "ghost" of the background image in the app.
This effect can be seen in many screen technologies. S-IPS and AMOLED are widely used ones on tablets and mobile devices. They both suffer from this effect.
There is actualy big chance you won´t even notice that. Prime turns it screen off after some time, and when you use your device you are probably actually doing something, meaning you are dynamically changing the screen, so image retention has no time to take place.
In everyday use, problems could occur when you use SW keyboard for a long time, or for example game menu controls, etc.
The most important thing is, this is NOT PERSISTENT. Image retention of this type should dissapear after while, you can speed it up by either turning screen off or displaying plain white image for a while.
I believe none of our tablet displays are immune to this. In fact, even glory iPad 1&2 displays are not immune. Neither was my HTC Diamond screen. (Yes, pretty old, but it has nice VGA screen). Sometimes I get navigation cursors retained after reset, even for few minutes (on my HTC Diamond)... So I believe we just need to live with this effect. Most of the time, you won´t even notice it.
But we can share our experience. I have not notice any image retention untill today, when I needed to discharge my Prime more quickly, so I maxed brighteness (IPS+ on) and leave it in home screen on for about 15 minutes. Than I started YouTube app, and on its grey load screen, I clearly seen ghost of my homescreen background. I immediatelly retried lauchning YouTube app, but it was all gone. If curious, or if you want to replicate this, my homescreen image is the default with tree, most yellow-ish like I believe autumn sunset version
pokevitek said:
so I maxed brighteness (IPS+ on) and leave it in home screen on for about 15 minutes
Click to expand...
Click to collapse
Think that is the root of your ghosting issue there, would not call that normal operation at all to leave it maxed out for 15mins. The display is super bright and I dont think even outdoors you need max IPS+ to adequately use the tab.
Well, if I am right, it sould have nothing to do with brighteness level. Like I said, it is different effect, it is not burned. But maye thrucomming light intensity has some effect on the crystal polarisation...
Thanks for the post, I get this effect with my Nexus One as well. The notification bar from having the phone in portrait mode shows itself at times in landscape.
Sent from my Nexus One using Tapatalk
Actually LCD panels can get screen burn, I have had two LCD HDTV s that had it. But those were first gen LCD HDTV s.
You shouldn't see anything like it on LCD screens of today. If what your saying is true then why isn't the status bar in ICS (or honeycomb) ghosting for everyone?
I've done some tests recently after finding this issue on my Galaxy Tab 7.0 Plus. It was VERY dramatic on that tab. Only a few seconds on one screen, change to a screen that is mostly gray and the image persistence was there for quite a while. And it was a strong persistence. Not just a faint image. You could easily read text and see images. The pictures in the following thread show it.
http://forum.xda-developers.com/showthread.php?t=1437445
But after having this issue, I ended up testing some other tabs I have. I've seen the issue on my Kindle Fire's (I have 3 of them). I have a Lenovo Thinkpad Tablet and have not seen the issue there. I also have a Transformer Prime and I do see it faintly on the prime, generally on the right side of the tab when holding in landscape (with power button on top). I also see it sometimes on my 30" Dell IPS monitor.
I guess the point is, it is more common than you think. But some screens may exhibit the problem more than others. That Galaxy Tab 7.0 Plus (that specific one) exhibited it far worse than anything else I've seen.
I've decided not to worry about it. If it's happening to yours and it happens very quickly and doesn't go away quickly, perhaps your display is worse than the norm. But I would expect all of these displays to show some level of image persistence. Return it if it bugs you, but accept the fact that they all may have this issue to some degree.
Thanks to the OP for this post.
Hey guys so I just picked up my LG V10 2 days ago, I knew there were some issues with light bleed on the upper left corner of the 2nd screen but I crossed my fingers and hoped for the best.
The first night I had the 2nd screen off, however last night I decided to give it a try since it seemed like an elegant idea to have on this phone.
In the darkness of my bedroom the light bleed from the upper left was utterly atrocious, it actually fans out and extends into the other screen to about where the notification bar is (this is with the main screen off). The light bleed is also quite bright at night, it is very visible from across the room and really destroys the user experience.
I'll update with photos this evening as I want to know if other users have a significant problem or it's something that happens on every few phones and I can exchange for a unit that hopefully has less bleeding.
I'd love your feedback on how the 2nd screen bleeding WITH MAIN SCREEN OFF is for you especially in a dark room.
Yeah mineb does exactly that..doesnt really bother me too much
If you're in a very dark or completely dark room, you're going to notice light bleed. It's unavoidable with LCD technology. Mine also bleeds a bit into the regular display. Look at the screen directly (not at an angle) and it should look a little better. Angles produce worse backlight bleed - you're going to notice when you're laying in bed and look over at the phone and see the backlight bleed being a lot worse.
The big concern is if the backlight is actually bleeding in normal day-to-day conditions. On my first phone, I noticed in the STORE that the upper left corner of the notification bar was brighter than the rest of the screen. It had backlight bleed bad up there to the point if it being visible in daylight on colored portions of the screen. Exchanged it for another phone on the spot and it looks completely fine now. In most conditions the second screen appears to be floating because your eyes are adjusted to the brighter ambient light and can't see the poorer contrast ratio of an LCD compared to an AMOLED. At night though, you will definitely see that the second screen would have been executed better if LG would implement OLED in their flagship phones.
I see a little bleed on the left edge of the second screen, when the main screen is off, but it doesn't bother me. I kind of like that the notification icon is brighter than the rest of the second screen because it helps me notice that I have a notification, especially since the phone has no notification LED (shame). The second screen is not important to me, plus I don't see the bleed when the main screen is on which is when I'm actually spending significant time on the phone.
There reason you see bleed is because the second screen has a dedicated white LED on the left edge that's separate from the main panel backlight and positioned to "inject" light from the side without being properly integrated with the panel's backlight diffuser. This is why you'll see this, to varying degrees, on every unit. When you're in a well-lit room with the main screen on, the second screen looks perfect, because that secondary LED is off when the main screen is on. Also, the second screen auto-dims based on the amount of ambient light, so you might see the bleed on the "high" mode when you first turn off the main screen, but not when it dims down to the "low" mode after a while. Maybe they'll introduce a new hardware revision that repositions the second screen edge LED or does something else to limit its bleed. We'll know in 1-2 months when the next batch of V10s hits the stores.
I replaced my V10 twice because it had yellow bleed at the BOTTOM of the screen by the navigation buttons and that annoyed me as hell, since it affects the colors of everything I do, especially watching movies. All three had second screen bleed. What was particularly interesting is that each had a different color temperature screen. My first one was reddish, the second one was blueish (like the G4), and my current one is greenish, it actually looks exactly like the Nexus 6P screen (I put them side by side to compare).
I'll agree with Nitemare3219's and siraltus' observations and comments. When the main screen is on nothing is really noticeable. When the main screen is off I have the second screen off. It's so dim I don't see the point to having it on. The second screen is a bit of a gimmick. If I had additional issues I might think of exchanging it (still have 10 days), but I don't notice any other screen issues, and my fingerprint reader works...with a case. Every LCD screen I've had has had some sort of bleed. The problem starts if it is noticeable during normal use/viewing.
Mine slightly lights up the whole right corner 1/5th down the screen, only visible in a dark room. I dont get bleed from the right like ive seen in pictures and youtube.
It's only noticeable when it's pitch black and my main screen is off, so it doesn't bother me at all. It's not noticeable any other time.
First the second screen has already become a staple of my use habits, it's no gimack. Yes bleed is there when main screen is off, no I don't like it, but don't feel it's as big an issue as some make it out to be. That's just me though, I can see it bothering some.
jamor414 said:
It's only noticeable when it's pitch black and my main screen is off, so it doesn't bother me at all. It's not noticeable any other time.
Click to expand...
Click to collapse
Same, the light bleed is noticeable in the dark, but not bothersome. It is not nearly brought enough to light up my room at all, and is very slight in the upper left corner of the second screen. For the usefulness of the second screen with my usage, it's an ok trade off for me.
If your not happy with it and your within the 20 days id return it. I did return my initial one and my second one is better with less bleed.
my bleeding is always noticeable but especially on dark rooms,
I posted the pictures here:
http://forum.xda-developers.com/lg-v10/help/consider-exchange-problems-t3245822
Hello,
My current M10 (non pro) has a problem on its display, it gets uniformity problem, darkening from top to bottom.
I got a second one, that has a much more subtle uniformity issue, one which I can tolerate, but... this display has clearly visible scanlines, it is like you can see the physical lines (just the horizontal ones) that forms the display, behind the picture, specially if it is gray image.
Have anyone noticed this on your display, is it fixable (supposing it is not a physical issue)?
I hate these production quality issues....