Database Users

[Q] how much light bleed is too much?

I have some light bleed in both of the bottom corners. They are clearly visible on 100% brightness in a completely dark room while displaying a black image, however when the brightness is set to 0% I can only just make out where the bleed occurs. It's almost a yellowish hue and spurts off the edge of the display a few millimeters. Now with auto-brightness on and just using my device it doesn't really jump out to and when showing it to others they couldn't even spot it when I told them to look for it. I just wondered if others were having this issue and if it was worth it for me to try to RMA another one. Funny thing is I just turned on my old 7 inch galaxy tab 2 and it has some bleed, but its not nearly as noticeable. As someone was saying I just wonder if a larger percentage of these have light bleed then those that don't.

tcb4 said:
I have some light bleed in both of the bottom corners. They are clearly visible on 100% brightness in a completely dark room while displaying a black image, however when the brightness is set to 0% I can only just make out where the bleed occurs. It's almost a yellowish hue and spurts off the edge of the display a few millimeters. Now with auto-brightness on and just using my device it doesn't really jump out to and when showing it to others they couldn't even spot it when I told them to look for it. I just wondered if others were having this issue and if it was worth it for me to try to RMA another one. Funny thing is I just turned on my old 7 inch galaxy tab 2 and it has some bleed, but its not nearly as noticeable. As someone was saying I just wonder if a larger percentage of these have light bleed then those that don't.
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IMO, if you have to sit in a pitch black room and crank the brightness up to 100%, then I would definitely keep it."Too much" is hard to define; many ppl here will RMA until they find a "perfect" unit.
I've heard ppl say that not all devices have bleeding, but in a world of mass produced products, screen bleed is just a side effect of consumer demand.
My family uses both Apple and Google/Android products. This includes 1st gen iPad & 1st gen iPad 2, and 3 android tablets made by HP, Asus, and now, Google. They ALL have screen bleeding. (HP being the worst of the five)
Sent from my Nexus 10 using xda app-developers app

xIC-MACIx said:
IMO, if you have to sit in a pitch black room and crank the brightness up to 100%, then I would definitely keep it."Too much" is hard to define; many ppl here will RMA until they find a "perfect" unit.
I've heard ppl say that not all devices have bleeding, but in a world of mass produced products, screen bleed is just a side effect of consumer demand.
My family uses both Apple and Google/Android products. This includes 1st gen iPad & 1st gen iPad 2, and 3 android tablets made by HP, Asus, and now, Google. They ALL have screen bleeding. (HP being the worst of the five)
Sent from my Nexus 10 using xda app-developers app
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True, and like you said a lot of them may have it. What I don't want to do is order another and have it be worse. I just wondered if it was common and if those that can make it out in everyday use are going to return it. With that said mine can't be too bad as it isn't visible on any other color than black.

tcb4 said:
True, and like you said a lot of them may have it. What I don't want to do is order another and have it be worse. I just wondered if it was common and if those that can make it out in everyday use are going to return it. With that said mine can't be too bad as it isn't visible on any other color than black.
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I would keep it sounds like minor light bleeding for you. It's normal to have some light bleed anyways. I've had it on all my devices (IconiaA500, Galaxy tab 10.1, Prime, Infinity, Note 10.1). If its visible for me even during the day then it would bother me and I would replace it.
Sent from my SPH-L710 using xda app-developers app

jjdevega said:
I would keep it sounds like minor light bleeding for you. It's normal to have some light bleed anyways. I've had it on all my devices (IconiaA500, Galaxy tab 10.1, Prime, Infinity, Note 10.1). If its visible for me even during the day then it would bother me and I would replace it.
Sent from my SPH-L710 using xda app-developers app
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Click to collapse
It is visible during the day with auto brightness on, but it's only because of the black bar along the bottom. It is only just visible in lowish light with auto brightness on, so I don't know if I should send it back. The only thing I don't want to do is send it back and get one that has it worse.

does anyone not have light bleed?

Hi. I read a lot of light bleed issues.
Are there any without light bleed?
Is there a poll on this. I am curious about the ratio.
I am getting my nexus 10 today and will not be able to use it till the 25th.
I hope I wont be RMAing it on the 26th...
Thanks joe

I have purchased 3 N10s so far for myself, family member and a friend. All were purchased with 1 week or so gap and all 3 have backlight bleed to varying degree. Unless you have really bad bleed which is discoloured like too yellow, stick with what you have as there is every chance you might get worse piece.
While backlight bleed does not bother you most of the times, yellow one is whole different story.

Funkym0nkey said:
I have purchased 3 N10s so far for myself, family member and a friend. All were purchased with 1 week or so gap and all 3 have backlight bleed to varying degree. Unless you have really bad bleed which is discoloured like too yellow, stick with what you have as there is every chance you might get worse piece.
While backlight bleed does not bother you most of the times, yellow one is whole different story.
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Agree. My first one was the best, it was a relatively small bleed and it was white. I should have kept it. My 2 other replacements were yellow and that sucks. I am hoping my next replacement will be either no bleed or very small white bleed.

I haven't done a full-on light bleed test in a dark room yet, but I have not noticed any on my N10. So, if I have any on my screen, it's very mild.
I just received my N10 yesterday, so it's possible they've improved more recent ones...

I ordered mine the day it was released and I don't notice any at all either. I have not run a full test on it because if I don't see it (even when trying to find it) under normal usage conditions I do not really care if a test says I have it or not. Screen looks perfect to me so I am not really looking for reasons to not like it.

Would be good if you post on this thread to specify what is your BRIGHTNESS setting (full, auto, %, etc)

I have no light bleed on mine bought day of release.

matt212308 said:
I don't notice any at all either. I have not run a full test on it because if I don't see it (even when trying to find it) under normal usage conditions I do not really care if a test says I have it or not. Screen looks perfect to me so I am not really looking for reasons to not like it.
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The same. Fantastic tablet and although some people do seem to genuinely have a defective screen, some people are totally nitpicking and blowing the whole thing out of proportion. If your screen is totally black you're not actually using your tablet for anything so these tests people are running are pretty unrealistic.
Sent from my XT910 using xda premium

I'm sure all LCD displays have light bleed.

voodooevil said:
I am getting my nexus 10 today and will not be able to use it till the 25th.
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Christmas present then I guess? Mine is too but I convinced the wife to allow me to check it was fault-free and set it up with all my apps and settings so it's ready to go on Christmas day!
Whilst she was at work and it was my day off, I had a good 8 hours of fun testing
Sent from my XT910 using xda premium

sonicfishcake said:
The same. Fantastic tablet and although some people do seem to genuinely have a defective screen, some people are totally nitpicking and blowing the whole thing out of proportion. If your screen is totally black you're not actually using your tablet for anything so these tests people are running are pretty unrealistic.
Sent from my XT910 using xda premium
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Completely agree with your comment. Some might have true issues. I can see that mine has a slight bleed on the right side but there will never be a time where I sit in a completely dark room and stare at a black screen. Even at full brightness the slight bleed does not affect the look of my tablet in any way. It's an all around beautiful device!

None i've noticed in normal use but also havent gone searching for it. If the only way you can see the light bleed is when the screen is completely black then who cares. If the screen is on and completely black all the time then you have others problems besides light bleed.

My n10 has very little to no light bleed
Sent from my Nexus 10 using XDA Premium HD app

None here. Got mine on Monday, expecting to have at least one issue...but not one so far.
Z
Sent from my Nexus 10 using xda app-developers app

very slight bleed for mine, not noticeable until i turn up the brightness all the way up and really look for it with a black screen

Mine is perfectly fine. No issue.

Mine looks perfect. Of course I'm not looking specifically to see if I do. It amazes me how many people on the forums are going out of their way to look for issues with their tablet.
If it looks good while I'm using it and I have no issues I'm OK with that!!
sent from my blue police box flying through time!!!

mpetruzz said:
I'm not looking specifically to see if I do. It amazes me how many people on the forums are going out of their way to look for issues with their tablet.
If it looks good while I'm using it and I have no issues I'm OK with that!!
sent from my blue police box flying through time!!!
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Click to collapse
Exactly. On any device, if you're looking for problems you'll inevitably find some but in the real world under usage you'll notice none whatsoever
Sent from my XT910 using xda premium

I did a bit more experimenting today. If I bring up a full-screen black image in a dark room with screen brightness at 100%, I can see some minimal light bleed in the lower two corners. My guess is, as others have said, that this is just going to be a given with these types of screens. I also noticed:
As soon as I set my screen brightness to auto, while still in a dark room with a full-screen black image, the light bleed was totally unnoticeable.
As soon as I turned on the lights in the room, with screen brightness still at 100% and a full-screen black image, the light bleed was totally unnoticeable.
So, for me at least, light bleed is only noticeable if I intentionally make it happen. Having the screen set to max brightness while in a totally dark room and a mostly black picture on screen is a pretty unlikely scenario in the real world. In normal usage I've never notice the light bleed, and I doubt I ever will.

I've been using my N10 since it was first released and the screen is perfect. Do you need unnatural or unusual conditions to detect light bleed?

Nexus 7 2013 screen light leak on top side

I noticed there is a light leak in the Nexus 7 2013 when playing games with dark scenes. Here's a photo of mine:
http://oi41.tinypic.com/2uzqbgn.jpg

That specific area of bleed is present to some degree on most units.

That's my problem too.
Where can i get their support email? I'm thinking if i can keep it for awhile then return to them for replacement after 2 months. Can i do that?
@scandiun will you send it back?
Sent from my Nexus 7 using Tapatalk 4

How about a picture of a "dark game" where you see this? Also, is your brightness all the way up? Put your brightness where you usually have it and show picture of real world use where you see this..
I think the whole light bleed thing is always blown out of proportion. Many people go to a black screen and then turn the brightness all the way up and think they have a giant issue when the truth is most would never see it at all under normal use.
Sent from my Nexus 7 using xda app-developers app

Richieboy67 said:
How about a picture of a "dark game" where you see this? Also, is your brightness all the way up? Put your brightness where you usually have it and show picture of real world use where you see this..
I think the whole light bleed thing is always blown out of proportion. Many people go to a black screen and then turn the brightness all the way up and think they have a giant issue when the truth is most would never see it at all under normal use.
Sent from my Nexus 7 using xda app-developers app
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Of course I'm displaying a black image with brightness to the maximum. However, with brightness to the medium it's still noticeable on games like Mystery Room which have a black frame on dialog scenes. I tried to take a photo of it but the center of the screen gets oversaturated so does not reflect what you are seen in person.
In the iPad that doesn't happen, so if there's a difference there's a reason for it, and the reason is lower standards.

Richieboy67 said:
How about a picture of a "dark game" where you see this? Also, is your brightness all the way up? Put your brightness where you usually have it and show picture of real world use where you see this..
I think the whole light bleed thing is always blown out of proportion. Many people go to a black screen and then turn the brightness all the way up and think they have a giant issue when the truth is most would never see it at all under normal use.
Sent from my Nexus 7 using xda app-developers app
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Click to collapse
A LOT of movies and tv shows have several dark scenes, some are all night time/dark. If you have even a little light bleed you're going to notice it. And don't be an apologist and say something like "it's a tablet, not a tv", even Google promotes it as a device for media consumption. No one should accept light bleed.
Sent from my Nexus 7 using Tapatalk 4

Richieboy67 said:
How about a picture of a "dark game" where you see this? Also, is your brightness all the way up? Put your brightness where you usually have it and show picture of real world use where you see this..
I think the whole light bleed thing is always blown out of proportion. Many people go to a black screen and then turn the brightness all the way up and think they have a giant issue when the truth is most would never see it at all under normal use.
Sent from my Nexus 7 using xda app-developers app
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Click to collapse
I've noticed light bleed on top of my tablet, but it didn't bother me because it was faint and only noticeable, like you said, on a black screen. The build quality is still bad regardless if it bothers me or not, and I would think it's something to get people noticed about so it's fixed rather than brushing it off like it doesn't matter.

FluffyR said:
I would think it's something to get people noticed about so it's fixed rather than brushing it off like it doesn't matter.
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I don't think it's something fixable by software. Rather seems the physical location of the backlight which of course you can't change.

scandiun said:
I don't think it's something fixable by software. Rather seems the physical location of the backlight which of course you can't change.
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I realize this, I think the quality control from ASUS is crap. When I say to get it fixed, I meant for future production models.
So for people that have returned theirs and waiting to buy another one down the line it wouldn't be a problem for them.
Might not even happen if people don't realize or make a fuss about it. Personally, the static sound issue bothers me more than this slight light bleed.

FluffyR said:
I realize this, I think the quality control from ASUS is crap. When I say to get it fixed, I meant for future production models.
So for people that have returned theirs and waiting to buy another one down the line it wouldn't be a problem for them.
Might not even happen if people don't realize or make a fuss about it. Personally, the static sound issue bothers me more than this slight light bleed.
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Click to collapse
I would rather go with a Samsung tablet, but they are still behind in terms of screen quality, for example the Galaxy Tab 3 7.0 or 8.0. So I will wait.
Anybody can confirm that the Galaxy Tabs don't have this issue?

nexus 7 fix
Mine was like this but I managed to sort it.....here is how
Get a mobile phone mobile repair kit from Amazon or eBay for a couple of quid, as long as it has a large flat pry bar in then that's all you need.
You may need to research this bit, but you tube how to take the back cover off nexus 7 2013 and follow their instructions to do so.
Once the back is off loosen all the screws you can see by one or two turns, lay the nexus on a flat surface and tighten the screws up pretty tight, usually a little tighter than they were before, turn the nexus on but be careful and run a light bleed app. Check any areas where there is light bleed, re undo the screws in the area and slightly bend the chassis (very lightly!!!) And let settle then re do up the screws, keep doing this until most of the bleed has gone. Finally, get the back case, slightly bend the case in on itself as with mine it was pulling more in one direction making the nexus chassis bend slightly. Please treat gently, don't be rough at all.then pop it all back together starting from the charging port making sure its lines up correctly.....and bingo, much less bleed.
The bleed seems to be because the chassis is very flexible and the screen is solid, and its just a matter of the screen 'settling' in the right place I guess.
I hope this helps people out.
If your not technical then I wouldn't try it as you could easily short something out, but it worked for me very well
Good luck

FluffyR said:
I realize this, I think the quality control from ASUS is crap. When I say to get it fixed, I meant for future production models.
So for people that have returned theirs and waiting to buy another one down the line it wouldn't be a problem for them.
Might not even happen if people don't realize or make a fuss about it. Personally, the static sound issue bothers me more than this slight light bleed.
Click to expand...
Click to collapse
I agree that quality control is crap. But that's what we get when we buy a tablet at this price point. Is it wrong to expect perfection when we pay our hard earned money to companies like Asus? No. But realistically, how many of us can say that our tablet is literally perfect?
I honestly feel that the Nexus line of tablets will never be perfect. They will always have some sort of issues. Asus just doesn't care because they keep selling millions of units. Unless there is a national boycott of buying Nexus tablets the issues will always be there.

Yaminashi said:
I agree that quality control is crap. But that's what we get when we buy a tablet at this price point. Is it wrong to expect perfection when we pay our hard earned money to companies like Asus? No. But realistically, how many of us can say that our tablet is literally perfect?
I honestly feel that the Nexus line of tablets will never be perfect. They will always have some sort of issues. Asus just doesn't care because they keep selling millions of units. Unless there is a national boycott of buying Nexus tablets the issues will always be there.
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The screen itself is not that bad. It's better screen that ipad mini retina.

Mine has light bleed aswell on top center of the screen but as it was stated, it doesn't bother me since it's not noticeable during everyday usage. Only time I can see it perfectly is during booting where the screen is totally black.
Now, I also believe this is the case regarding all the other occurencies and people just blow it out of proportion.
Also, if it is that bad, just return it, or post on the appropriate threads. There are already millions of threads here and everywhere else about this...
It's annoying.

username4this said:
Mine has light bleed aswell on top center of the screen but as it was stated, it doesn't bother me since it's not noticeable during everyday usage. Only time I can see it perfectly is during booting where the screen is totally black.
Now, I also believe this is the case regarding all the other occurencies and people just blow it out of proportion.
Also, if it is that bad, just return it, or post on the appropriate threads. There are already millions of threads here and everywhere else about this...
It's annoying.
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Click to collapse
In the end it's not that important, it's much worse the sound issue.

[Q] Yellowish side on screen

In June I bought a Nexus 10 at Wallmart. I am greatly enjoying using this device. It is brilliant. However, I noticed last week that the left side of the screen has become a little yellowish. It is much lighter that the other side. This is especially disturbing whilst reading on a white background or using the keyboard, as the left side keys are lighter than the right side keys.
I there any possible way to fix this? Can I reset the screen? Any help would be welcome.

I believe you've got a bad case of light bleed, You may want to look into a warranty replacement.

dibblebill said:
I believe you've got a bad case of light bleed, You may want to look into a warranty replacement.
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Thanks for the response. I thought of that aswell, but testing it with the lightbleed app does not show any unusual bleed. It seems to be the screen itself.

Gotez said:
Thanks for the response. I thought of that aswell, but testing it with the lightbleed app does not show any unusual bleed. It seems to be the screen itself.
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I'd call Samsung and argue with them for a refund. They might not have an official phone option for the Nexus 10 so you'll have to endure what I call "dibblebill's Legacy", that is, being told it doesn't exist and fighting for weeks. :-/

[Q] Do you have Light bleed on the bottom of your Screen?

Do you have the well described light bleed on the bottom of your screen (7 brighter spots) at low brightness?
Whether you do or do not I am curious to know what your serial number date is.
I.e. are the 1st 3 digits 311 or 312.....
Someone suggested this was fixed on newer batches of these tablets and am curious if the newer serial numbers are showing the same issue.

311, got bleed. Don't care tho.
- For science!

Canadoc said:
Do you have the well described light bleed on the bottom of your screen (7 brighter spots) at low brightness?
Whether you do or do not I am curious to know what your serial number date is.
I.e. are the 1st 3 digits 311 or 312.....
Someone suggested this was fixed on newer batches of these tablets and am curious if the newer serial numbers are showing the same issue.
Click to expand...
Click to collapse
Yes but only with a white background at that edge and when the tablet is at less than 20% brightness. If it is a darker background or the tablet is above 20% brightness I have no bleed that I can see. In fact, I never noticed it in regular use until I looked for it in order to reply to your thread. So obviously it does not bother me. SN 311.

Stujoe said:
Yes but only with a white background at that edge and when the tablet is at less than 20% brightness. If it is a darker background or the tablet is above 20% brightness I have no bleed that I can see. In fact, I never noticed it in regular use until I looked for it in order to reply to your thread. So obviously it does not bother me. SN 311.
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Click to collapse
Thanks. My purpose is not to get people bothered. I am more thing to establish 2 things. First that unlike light bleed which is random this its a near universallyrics described flaw out limitation of this device and going and returning it for am exchange is likely fruitless. Keep it if you like it or move on. I have chosen to keep mine.
Secondly to seeif there is a pattern to those that claim not you'll have this issue. One person in another post started his first twist had it but the replacement with a newer serial number did not.
Sent from my LG-V500 using Tapatalk 4

Stujoe said:
Yes but only with a white background at that edge and when the tablet is at less than 20% brightness. If it is a darker background or the tablet is above 20% brightness I have no bleed that I can see. In fact, I never noticed it in regular use until I looked for it in order to reply to your thread. So obviously it does not bother me. SN 311.
Click to expand...
Click to collapse
Part of the reason I never noticed it is that I have my on-screen buttons as black so any bleed would never be visible for me in portrait mode. Also, the only time I ever have my brightness that low is at night when reading my kindle app in bed and I use the white text on black background for that so bleed would also never show up in that situation.
Sent from my LG-V500 using xda app-developers app

Stujoe said:
Part of the reason I never noticed it is that I have my on-screen buttons as black so any bleed would never be visible for me in portrait mode. Also, the only time I ever have my brightness that low is at night when reading my kindle app in bed and I use the white text on black background for that so bleed would also never show up in that situation.
Sent from my LG-V500 using xda app-developers app
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Click to collapse
Similar situating though sometimes might surf or watch a video in bed at low brightness and then was surprised to see it
Sent from my SM-N900W8 using Tapatalk

309 Here and yes I have the bleed but it doesn't bother me because most of the time my black nav buttons are there. Only really noticeable when you have only white.

The only bleed I have is when when brightness is jacked up and the background is dark. It goes a bit lighter in the corner but no worse than my nexus 7.
Sent from my LG-V500 using xda app-developers app

LeighR said:
The only bleed I have is when when brightness is jacked up and the background is dark. It goes a bit lighter in the corner but no worse than my nexus 7.
Sent from my LG-V500 using xda app-developers app
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Click to collapse
That is traditional light bleed. Please state what serial number you have
Sent from my SM-N900W8 using Tapatalk

So minor i can barely see when trying in a dark room with any brightness. Less light bleed or inconformaty than any other tab i have owned.
I have a black 309 from best buy.

Canadoc said:
That is traditional light bleed. Please state what serial number you have
Sent from my SM-N900W8 using Tapatalk
Click to expand...
Click to collapse
S/N: 311CQSF
Sent from my LG-V500 using xda app-developers app

gottahavit said:
So minor i can barely see when trying in a dark room with any brightness. Less light bleed or inconformaty than any other tab i have owned.
I have a black 309 from best buy.
Click to expand...
Click to collapse
So what this means, is that the lack of the light bleed at the bottom of the screen that so many of us have is not necessarily related to do the month of manufacture. Somebody had suggested that models with serial 312 and higher were made sense that have not exhibited the same problem.
One thing I have noticed, is that I can lower the brightness on this tablet to a much lower level than any other smartphone or tablet. It is possible that is why we see those 7 lights at the bottom. It probably has to do with the fact that the overall screen brightness is so low that they become visible. Ordinarily on a different tablet it probably doesn't reach brightness level that low where more artifacts in the screen becomes viewable
Sent from my LG-V500 using Tapatalk 4

Canadoc said:
So what this means, is that the lack of the light bleed at the bottom of the screen that so many of us have is not necessarily related to do the month of manufacture. Somebody had suggested that models with serial 312 and higher were made sense that have not exhibited the same problem.
One thing I have noticed, is that I can lower the brightness on this tablet to a much lower level than any other smartphone or tablet. It is possible that is why we see those 7 lights at the bottom. It probably has to do with the fact that the overall screen brightness is so low that they become visible. Ordinarily on a different tablet it probably doesn't reach brightness level that low where more artifacts in the screen becomes viewable
Sent from my LG-V500 using Tapatalk 4
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Click to collapse
This is a great thread and to tell you the truth if you havent began this one i would very soon began one similar. Here is my observations:
My first one was with 7 bright lights on the bottom vissible on white screen(do you tests with an apk thats free from Google playstore called "Backlight bleed apk", its free) from a 35% brightness and lower. It was annoying and second,much more important,for the money i gave to LG i want the product to be of high quality and tested by their technicians very thoughtfully before launching it. So i return it as a DOA. The second one had no 7 bright spots on the bottom but it had a yellow line on the top(under the Lg sign) that was very obvious with a white background (from 60% brightness and up). This one went also back as a DOA. The third one has again 7 bright spots on the bottom but its noticeable with 20% and below. All 3 devices are 311. Its quite a shame that this device with such good specs has such bad screen problems. I thing LG had a wonderfull idea with this tab but hurried to get it to the market.
Does someone with 312 have simmilar problems?
Sent from my Thrive using Tapatalk

Does anyone here with the lightbleed problem also have a problem with the screen seeming loose? When I push on my screen I can hear some creaking.

kdog350 said:
Does anyone here with the lightbleed problem also have a problem with the screen seeming loose? When I push on my screen I can hear some creaking.
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Click to collapse
Ingesting and unrelated.
Here are my chronicles:
1st G pad: white 310 serial. Had both regular and 7 light bleed. Had not readabout this issue before returned it.
2nd G pad: Black don't recall serial. Good build quality no light bleed but 7 light issue. Now aware this is a common problem. Decide to exchange and go to best buy inspect 2 others (sales person let me setup 3 tablets and look best I could for issues. All 3 had the 7 light thing so figured this must just be a characteristic of the lcd they use in this tablet. So took home
3rd Gpad white w 11 build which in store I thought was better than the 2nd for the 7 light issue.
For Home was wrong and based on what I have read and my assessment I was resigned to the fact that they would all be this way and was going to keep. At this point I stated this thread after reading about some people who did not have this issue, one of them having a December or 312 build which I have been unable to find anywhere.
The build quality was bad in this replacement however. The edges of the tablet were sharp with a seam the others didn't have. Less than 1 day later the bottom right of the tablet must have been lose as depending on how I gripped it, it would creak and pop as if the plastic was coming off and snapping back.
At this point I decided I would return as a defect and got
G pad 4: white 310 build.
Was similar to second tab in buildwith almost no light bleed but had the 7 light issueand also felt the lower right part of screen at edge of bezel felt it had some give. I am now fed up and neuroticabout all this add I am in vacation in the USA and we don't yet have these in Canada.
Wanted to settle it. Found one other best but that head in store stock and it was rainy so I said last try to get at least one with only the 7 light issue.
Picked up a black one. 310 serial.
Took it home knowing that I'd it was no good I would say screw it and get ipad mini.
This one is nearly perfect.
Even at 0 the 7 lights are almost invisible. I have to look for them as I know they should be there. There is just a bit of traditional light bleed visible at 100% brightness in a dark room and in dark room I am rarely above 40%. Build quality is great and screen doesn't have any significant yellow cast.
I love it!!!!
From all my craziness I have discovered a few things that might explain the issues with this tablet.
1) 7light issue is there in every tablet. It is the way the lcd back lights work. The reason I and others likely have a tablet that doesn't exhibit it is due to something else. Brightness of the screen. By this I mean that all the tablets that have the 7 light issue can be dimmed incredibly low at the 0 setting.
Much lower than an ipad other tablet or my Samsung note 3.
My best screen seems noticeably brighter at lowest brightness. When reading an ebook at lowest brightness with white wiring on Black background the text is brighter in this one. So it could be that my 0 brightness calibration of the screen is closer to a 20 on one of the screens exhibiting the 7 light issue.
2) White tablet shows fewer finer prints if that is an issue but the metal black back is sweet!
3)With the voice Siri like app you can have option to enable or disable it listening for a hot word to activate it. With mine turned off my standby battery life is great even with 3 email accounts (1a push exchange account) going. We are taking 1% every 4-6 hours. This is much better than every tablet I have hadand my phone. This in spite of wifi on during sleep.
4) In spite of my issues of which in retrospect I would have been fine with my first 2 tablets and my current one I love this tablet.
It is a much better size than the lost nexus 7 2013 it replaced. Having expandable storage Ada much needed versatility. It does not win in any one category like an ipad or Nexus might but it hits all my desires from stereo speakersto God look to nice screen to great ergonomics.
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311, have the light bleed. thought of exchanging it because it somewhat bothers me when I'm web surfing at night in landscape, but I figured out it doesn't worth the effort becuae probably most of the other slates have this problem too. I was right.
I think we should all be a little bit less perfectionists about our tablet, and give more thought to the good things at the tablet + focus on more important issues in our lives (At least I know I should )

I would like to buy G Pad but before ordering it in online store (Poland) I sent them a message asking for checking some G Pads randomly. The result is shocking: first 10 G Pads have light bleed at the bottom of the screen. After that they decided to check all tablets in stock. It turned out that all of them (> 50) have light bleed at the bottom of the screen. Product manager told me that they will contact with distributor of LG in Poland requesting clarification on that issue and they want to return all G Pads and replace them with good ones.
Will let you know how things will go on.

radekzaj said:
I would like to buy G Pad but before ordering it in online store (Poland) I sent them a message asking for checking some G Pads randomly. The result is shocking: first 10 G Pads have light bleed at the bottom of the screen. After that they decided to check all tablets in stock. It turned out that all of them (> 50) have light bleed at the bottom of the screen. Product manager told me that they will contact with distributor of LG in Poland requesting clarification on that issue and they want to return all G Pads and replace them with good ones.
Will let you know how things will go on.
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I have stud I think this is less a defect and more a characteristic of this screen technology. Based on the unit I now which does not have it I can say that mine does not get as dim at 0 percent brightness. Could be like with all LCD tech that below a certain brightness things like this are visible. It is a trade off in that you are getting a screen that can go dimmer but with those lights visible.
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I'm on S/N 311 and I got no bleed at the bottom, but at higher brightness I got a pretty serious bleed at the top left corner, that's left of the LG Logo. I don't notice it normally but when I use the tablet in landscape that spot is covered by the black software key bar, making it stand somewhat out. I'm not gonna get it replaced, I played that game with my SGS-II back in 2011, you ARE going to find something else on the new unit cause you'll have gone in nitpicky mode.
Besides at this price, which is one third of what I paid for my Note 3 on launch day, you can allow a tiny few beauty marks.

Exchanged a black gpad because of a 0.5 inch yellow line at the top of the screen. Don't know the serial number unfortunately.
Got a 312 now as replacement. This has the light bleed at the bottom as well. But I have not seen any of the other issues like the blue line or the issue above. The bleed is noticable, but I might keep it anyway because most of the time i use it in portrait at high brightness....