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I own both Samsung Captivate and Focus, both devices have SUPER AMOLED screen. Both devices have burn-in problem after months of usage.
Captivate:
I could see the notification bar on top of the screen with the fuzzy clock and battery indicator burn-in to the screen with very pale color especially very noticeable with a white screen! I also saw AT&T stores had these demo units experiencing the exact problem! I then called up Samsung to replace the Super AMOLED screen. Now it's fine but very annoying.
Samsung Focus:
I just got mine in Dec and didn't use a lot on that device. There is a very good reason why WP7 has to hide those status indicators on top to prevent Super AMOLED screen burn-in problem. I also checked out the demo units in AT&T stores, all of the Focus had Windows Phone 7 logo burn-in to the screen at the top left corner due to the static logo constantly playing on the demo mode.
In conclusion:
SUPER AMOLED screen's quality life-time is still short compare to LCDs. Given about 2 months of usage, 8 hours a day with static image such as notification bars for example, burn-in issue is inevitable! In real-life daily usage, give it about 2.6 hrs a day, your screen will be burnt after 6 months.
NEVER USE SUPER AMOLED SCREEN WITH STATIC IMAGE!
On my phone the screen isn't on for very long periods. Even when I am talking on it if near my face the screen is off.
How does this compare to your experience?
Does a phone in demo mode have the screen on constantly?
The only reson OLED isn't so widely used is because of its limited life span (especially on blue color). From what I read in the past, it is very difficult to get blue channel pixels pass 2,000 hours of life span. Not sure if AMOLED or SAMOLED made any advancement in this area. So, the precautions should always be taken. Let your phone screen on 8-hour a day is not a good approach. That's why there is a setting to let phone go into sleep and turn off the display.
My Captivate has been working flawless since August 2010 with zero image retention or burn in.
foxbat121 said:
The only reson OLED isn't so widely used is because of its limited life span (especially on blue color). From what I read in the past, it is very difficult to get blue channel pixels pass 2,000 hours of life span. Not sure if AMOLED or SAMOLED made any advancement in this area. So, the precautions should always be taken. Let your phone screen on 8-hour a day is not a good approach. That's why there is a setting to let phone go into sleep and turn off the display.
My Captivate has been working flawless since August 2010 with zero image retention or burn in.
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How many hours per day do you keep your screen turned on? I would give that minimum 480 hrs with static image to experience burn-in. No need to wait 2000 hrs of life-time in Blue Channel in AMOLED.
The life-time of the entire Super AMOLED is here and I'm also being conservative: 480Hrs to start to get burn-in issue using AT&T store demo units as reference.
wildbilll said:
On my phone the screen isn't on for very long periods. Even when I am talking on it if near my face the screen is off.
How does this compare to your experience?
Does a phone in demo mode have the screen on constantly?
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I use skype and bluetooth headsets alot, so screen shut down may not happen at all until i manually shut off the screen. Moreover, using GPS navigation will definitely cause burn-in problem with static images such as the miles, eta, notification bar, clock, battery indicator, etc.
Android is just not a good OS for Super AMOLED. WP7 on the other hand is for Super AMOLED.
I'd estimate less than 30 minutes total per day (only counts screen on time). So, 480 hrs should let me use my phone for 960 days, or way beyond my tolerance for an *old* phone.
If I'm sitting in a meeting broswing internet or reading news using some apps, almost all of them are full screen and won't necessary have static images on the fixed locations.
Turn the brightness down (I use auto brightness setting) and don't let the screen on for extended period. You will be fine.
squarejp said:
Android is just not a good OS for Super AMOLED. WP7 on the other hand is for Super AMOLED.
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I have to agree. The metro color schem (black in most of the screen) is the best way to reduce AMOLED battery usage and lower the potential burn-in risk.
squarejp said:
I own both Samsung Captivate and Focus, both devices have SUPER AMOLED screen. Both devices have burn-in problem after months of usage.
Captivate:
I could see the notification bar on top of the screen with the fuzzy clock and battery indicator burn-in to the screen with very pale color especially very noticeable with a white screen! I also saw AT&T stores had these demo units experiencing the exact problem! I then called up Samsung to replace the Super AMOLED screen. Now it's fine but very annoying.
Samsung Focus:
I just got mine in Dec and didn't use a lot on that device. There is a very good reason why WP7 has to hide those status indicators on top to prevent Super AMOLED screen burn-in problem. I also checked out the demo units in AT&T stores, all of the Focus had Windows Phone 7 logo burn-in to the screen at the top left corner due to the static logo constantly playing on the demo mode.
In conclusion:
SUPER AMOLED screen's quality life-time is still short compare to LCDs. Given about 2 months of usage, 8 hours a day with static image such as notification bars for example, burn-in issue is inevitable! In real-life daily usage, give it about 2.6 hrs a day, your screen will be burnt after 6 months.
NEVER USE SUPER AMOLED SCREEN WITH STATIC IMAGE!
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I have both devices and neither or them display image retention. What method or program are you using to test this?
I downloaded a flashlight app on the captivate and on the Focus so I could turn the whole screen white. I also adjusted it to other color,s still see no burned in images.
I've had my Captivate and Focus since day one when they were first released by AT&T.
Go to any AT&T cooperate stores to check out all the burn-in screens. For captivate I use screen test. It cycles from white, black, green, red, blue, and other pallets. I can garauntee you that all Super AMOLED screens are the same given static images and keep the screen turned on such as notification bar, full battery notification, GPS app.
If you don't have any burn-in problems that means you haven't used the screen long enough even you got your devices since launch.
Sent from my SAMSUNG-SGH-I897 using XDA App
squarejp said:
If you don't have any burn-in problems that means you haven't used the screen long enough even you got your devices since launch.
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The key here is to keep the screen-on time as short as possible. For normal usage, it will be fine. Will it have burn in 2 or 3 years down the road? Sure, but I probably have to dig it out from the bottom of my drawer to check it out by then. I'd rather enjoy my sharp crispy and colorful SAMOLED for 2 years than worry about burn-in and settle for murky, low contrast and washed out color of the LCD screen for 2 years.
Store demos are the worse case senario.
foxbat121 said:
I'd rather enjoy my sharp crispy and colorful SAMOLED for 2 years than worry about burn-in and settle for murky, low contrast and washed out color of the LCD screen for 2 years.
Store demos are the worse case senario.
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Very true! But still people really need to beware of their SUPER AMOLED screen. But for gamers...... make sure don't allow a static screen staying on for too long.
Well, I was reading an email yesterday on my focus and noticed that the smiley message icon was like a little ghost in the background. I also noticed the circle/arrow icon. I use orange on black mainly. I moved the tiles around a bit, we'll see if it goes away.
jmerrey said:
Well, I was reading an email yesterday on my focus and noticed that the smiley message icon was like a little ghost in the background. I also noticed the circle/arrow icon. I use orange on black mainly. I moved the tiles around a bit, we'll see if it goes away.
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and disappeared?
No, it did not go away. It's only visible on white screens, but it is definitely there. I guess I'm going to drop by the at&t store to see if it's a warranty issue, but I highly doubt it. My guess is I'm stuck with it. Since I use the black theme it's not a huge issue, but when I switch to the white theme it looks pretty awful.
squarejp said:
Very true! But still people really need to beware of their SUPER AMOLED screen. But for gamers...... make sure don't allow a static screen staying on for too long.
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Why beware? Image Persistance can happen on any screen that is left running static for long periods of time. In most of the AT&T stores that I have been in the demo units are set to stay up and running for which I can only assume is to attract people. This will cause the image persistance that you are talking about. These phones screens also get used a lot more than your personal cell will.
Use your phone and don't worry about something that may or may not happen. In two years or less you will likely have a new one anyway.
Hilarious!
This reminds me of the times where projector tvs and lately plasma tvs exhibit the same not-suitable-for-gaming problem! LOL
That's one of the reasons I got the Motorola Atrix with its LCD screen!
My previous smartphone was a Nexus One and even though it didn't exhibit ghosting problems, I always tried to use it as little as possible and used the screen on its dimmest setting.
Now I can leave the screen on at full brightness for hours (like for GPS driving for instance) without any remorse!
I have the the imprint of Internet Explorer Mobile's chome burned onto my screen.
1+ hour of continuing browsing daily.
day2die said:
I have the the imprint of Internet Explorer Mobile's chome burned onto my screen.
1+ hour of continuing browsing daily.
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Im a high internet user and txtin user etc.. and on my old galaxy s i had the qwerty keyboard burnt onto my screen and not i have my galaxy s2 i can see the same thing startin to happen. For me if this isnt sorted by the time i get another phone in say a yr n half, as much as i adore my amoled screens im defo not goin down that rd again, wat a shame they cnt sort this out, and they r makin thousands of phones and tablets with these screens, so not cool samsung
D79_ said:
Im a high internet user and txtin user etc.. and on my old galaxy s i had the qwerty keyboard burnt onto my screen and not i have my galaxy s2 i can see the same thing startin to happen. For me if this isnt sorted by the time i get another phone in say a yr n half, as much as i adore my amoled screens im defo not goin down that rd again, wat a shame they cnt sort this out, and they r makin thousands of phones and tablets with these screens, so not cool samsung
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They have been trying very hard in the past decade or so. The main problem is the blue channel pixels' life span. Most companies have ditched their effort and move to other technologies. That's the main reason why there is no consumer TVs made of the OLED screens other than the $4000 Sony 14" OLED tv.
Unless there is a scientific breakthrough, this situation will remain for years to come.
Has anyone dealt with Samsung Tech support on this issue I just got off the phone with them and they wanted me to do a Hard reset. I tried to explain that this was a physical issue, but they still wanted to follow their script.
Now they have sent me a label to send it off but want me to remove my SD card. It ismy understanding that this card is bonded to the phone and cannot be used in a replacement phone if they send me one. I am going to call them back ut based on my previous conversation I am not holding out hope that anyone there will know what I am talking about.
I have my Galaxy Note for 10 weeks and after using it always with 100% brightness there are aging effects.
Specially at blue backgrounds, but also at white and gray I can see the home screen icons, the clock and some buttons from jelly defense (I played jelly defense 3 weeks daily 2 hours) shining darker. (you can see it on the photo)
Now my Galaxy Note is in service for screen changing.
But what can I do in the future to avoid this aging effects? 80% brightness, 90% brightness?
Samsung didn't know this problems (I'll not believe it).
Has anyone practical experience with this problem?
Typically Blue pixels age the fastest. So pick a warm/red background. Avoid 100% brightness. Use auto if possible. Avoid leave screen on for prolonged period. Avoid static text or icon on the screen for too long. Basically the same care you would do to a Plasma TV except even the plasma TV screen(around 80,000 to 100,000 hrs) lasts 10 times longer than the AMOLED screen (estimated around 10,000 to 20,000 hrs).
Looks like you've discovered amoleds dirty little secret. I avoid pixel burnout by using launchers that auto hide the notification bar as well as browsers that allow you to hide the navigation bar such as opera. Opera let's you browse in fill screen mode.
I often refrain from using apps that show static images for long periods of time. I try to use the browser for everything that can be done through the regular Web portal of a site.
There is no way of getting around static images in apps unless the Dev accounts for it. Some devs are aware of amoled burn out and have options to hide navigation bars.
Ultimately you have to be mindful of static images and make sure to either avoid them on your screen for prolonged periods of time or remember to rotate your screen.
This is why I'm not looking forward to virtual buttons on ICS. It will destroy amoled screens for sure. Hopefully Samsung will retain physical button(s)
10 weeks is a pretty short life time, My friend's Nexus One (1yr++) does not have the very slightest hint of screen aging why my the galaxy S2 that I used for just 2 months already had the AM/PM burned in.
Its normal for OLED screens to age but it should not be this fast, this is probably why apple is not looking into OLED screens as the quality and or lifespan could be problematic.
There are some manufacturing defects. Some screens are just fade faster than others. But in general, if you know how to take good care of your screen, it will last a long time. My old Galaxy S lasted over a year without any noticeable burn-in. My new Galaxy S2 has been 4 months w/o any problem.
foxbat121 said:
There are some manufacturing defects. Some screens are just fade faster than others. But in general, if you know how to take good care of your screen, it will last a long time. My old Galaxy S lasted over a year without any noticeable burn-in. My new Galaxy S2 has been 4 months w/o any problem.
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like the part where you say "noticeable"
no matter how much you try to take care of it. It will happen. Its already there. (Depends to which degree)
My advice apart those ones about hiding the element that are always present.
Do not look for a screen burn in. Or do not look at the ****ty quality of the AMOLED. When you would look on for example on grey/ brown background easiest to spot when going to the marker you would notice the differences between the different parts of the screen. Its not perfectly even from the time its build. The color is displayed in different shades usually presenting itself in "lines".
Had my Note for 1 hour and I noticed it. Brand new.
But then again I know what to look for (proud owner of Galaxy S) and where to look for it.
I bought this device for the resolution and power. Not for the screen build quality
When I say 'noticeable', I meant to use screen test patterns. Last time I did that with my Galaxy S, I don't see any burn in with the test patterns at all. But I agree one should not purposfully sort after the burn in. It will always be there. But I also don't need live in panic. The great contrast of the screen (or infinite black) outweights any shortcomings it has. Side by side with an iPhone 4/4s, I simply can't stand the foggy looking screen of the LCD on iPhones. Every iPhone owners I encounter liked my SAMOLE screen better.
PAGOT said:
But then again I know what to look for (proud owner of Galaxy S) and where to look for it.
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Hello fellow Galaxy S owner, This is the phone that brought up my standards and expectation for a SAMOLED device. I never saw any lines/uneven screen brightness and other garbage on my Galaxy S, even on greys. So this has brought up my expectation for a very high level which was crushed by the Galaxy Note's screen.
PAGOT said:
I bought this device for the resolution and power. Not for the screen build quality
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Good for you, I bought the device as a while package with the top concern about screen build quality and as an HD playback device which it does not meet the purpose
Just a quick tip I picked up from someone else on this site (I forget now who it was, sorry). Change your clock from 12 to 24 hour every now and then (and visa versa), it shifts all the icons along a little
This is both an interesting and depressing post to find. I was so excited to order my International Note soon, but now I'm super paranoid about screen aging. I've read so much conflicting information about it online, I don't even know what to believe anymore.
Featherbeard said:
This is both an interesting and depressing post to find. I was so excited to order my International Note soon, but now I'm super paranoid about screen aging. I've read so much conflicting information about it online, I don't even know what to believe anymore.
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In terms of lifespan, LCDs still trump amoleds. That's a fact you'll have to live with.
No screen technology is perfect. SAMOLED for the moment has the problem that pixels decrease in brightness with ussage. So try to minimize the amount of light you get off the screen. That will also give you more battery life.
Try to use black backgrounds, and white text on black background if the application allows it. Of course if you spend 3 hours a day on a game with static icons and menus, that will wear some pixels more than others and you'll end up with something like the OP.
If you go looking for small variations of color, you're going to find them. But the superior brightness and contrast of a SAMOLED screen wins me over. Even when I know its effemeral and will degrade with time. But anyway, who keeps a phone more than 2 years?
Yeah, but I just found this information for the first time today, which is why I'm so depressed. I'm a digital artist so having a nice little on-the-go sketchpad has me super excited, but also worried because of the screen. Expansys tells me there's a 2 year warranty, but I don't know how that would work on an international phone if the screen goes bad...
---------- Post added at 02:46 PM ---------- Previous post was at 02:45 PM ----------
vcespon : Yeah, I normally keep the brightness on my Atrix down quite low anyways. The max brightness setting is *blindingly* bright. As for the 'who keeps a phone more then 2 years", I had my iphone 3gs for quite awhile thank you very much. That and if I spend 600-700 bucks on this baby I want it to last! If I get at the very least a year to a year and a half out of the screen I'll be somewhat happy, though closer to 2 would be better obviously. I wonder what the long-term outlook is for the life of these screens anyways. Does anyone know the mean-time-before-failure for them?
I would also try using black backgrounds or dark themes on as many apps as possible also. Like tapatalk or k9 for instance.
Sent from my Desire HD using Tapatalk
Featherbeard said:
I wonder what the long-term outlook is for the life of these screens anyways. Does anyone know the mean-time-before-failure for them?
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I think there are some references how long the pixels "live". You should google. Even though Samsung said that they used new materials to build the displays.
I can tell you one thing you get used to the inferior screen in time.(Few rants not and then) So I wouldn't worry about that. If it really fails you. Meaning someone else will notice something wrong on the screen no just you. Claim warranty
Also to pointing out. There is shor-term memory effect as well. I think I already posted some bad quality pics here about that from my SGS. > http://goo.gl/URYzm I do not remember if this is a burn it or just the memory effect. I think its the memory bla bla. Second pic is best.
Thanks for the information! I think I remembered someone saying that the short-term memory effect gets better over time as well. I'm mostly worried about the screen quality as I plan on doing a lot of sketching on it, which kind of sucks because it'll most likely be using a light-colored background then. :\ I wonder if the AT&T version will have the exact same screens or if they'll be a slightly updated version. I guess not considering AMOLED is still AMOLED.
PAGOT said:
I think there are some references how long the pixels "live". You should google. Even though Samsung said that they used new materials to build the displays.
I can tell you one thing you get used to the inferior screen in time.(Few rants not and then) So I wouldn't worry about that. If it really fails you. Meaning someone else will notice something wrong on the screen no just you. Claim warranty
Also to pointing out. There is shor-term memory effect as well. I think I already posted some bad quality pics here about that from my SGS. > http://goo.gl/URYzm I do not remember if this is a burn it or just the memory effect. I think its the memory bla bla. Second pic is best.
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Featherbeard said:
Thanks for the information! I think I remembered someone saying that the short-term memory effect gets better over time as well. I'm mostly worried about the screen quality as I plan on doing a lot of sketching on it, which kind of sucks because it'll most likely be using a light-colored background then. :\ I wonder if the AT&T version will have the exact same screens or if they'll be a slightly updated version. I guess not considering AMOLED is still AMOLED.
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You worry too much. And you do not even have that phone yet.
First of all not sure how its in your country, but here you can return in if you dont like it in a week I think.
Also if it becomes really apparent you really can go to a service center. I do not remember someone saying that samsung refused to change the screen.
Also I was ranting here already a year ago about the Galaxy S. I hate SAMOLED soo much since I got the SGS (18 months ago). I own an iPhone 4 and love retina and SLCD. And yet bought the Galaxy Note as well (despite the fact I knew how faulty it will be and how I will hate it )
Hey, I'm paranoid! I *really* get upset when I get a device that either isn't stable or has something wrong or defective about it. (Especially something that costs this much!) I'm in the US and am debating ordering through Expansys (USA), and I've heard they have I believe it was a 2 year warranty, but I have a feeling I'd have to send it to Expansys and have them take care of it if something went wrong. I can't see Samsung handling an international phone's repair in the US?
Aren't we strange with how we buy our gadgets? We know we will hate something and yet still buy it.
Featherbeard said:
Hey, I'm paranoid! I *really* get upset when I get a device that either isn't stable or has something wrong or defective about it. (Especially something that costs this much!) I'm in the US and am debating ordering through Expansys (USA), and I've heard they have I believe it was a 2 year warranty, but I have a feeling I'd have to send it to Expansys and have them take care of it if something went wrong. I can't see Samsung handling an international phone's repair in the US?
Aren't we strange with how we buy our gadgets? We know we will hate something and yet still buy it.
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All oled displays suffer from amoled burn out. Not much you can do.
vcespon said:
Try to use black backgrounds, and white text on black background if the application allows it.
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Here you can see my homescreen. There is already white text on black background.
But I can see the shadows of the big clock and all icons. The shadows are the white parts of the homescreen; for example the "S" of my S-Banking-App is very visible as a black shadow in all other apps with lighter background (Internet-Browser, ebook-Reader etc..).
And the homescreen is visible only for a few minutes, because when I want to use an app I directly start the app. I don't look so much time to the homescreen and my Galaxy Note goes after one minute in standby mode.
That means only 10 minutes/day homescreen with 100% brightness is enough to damage the screen visible after 10 weeks?
Okay, playing Jelly Defense 2 hours a day at 100% brightness is not so good, but the problem is not the time, because a few minutes looking to the homescreen has nearly the same aging effect.
For all of those who want to know if the Samsung Galaxy S3 screen can get screen burn, the simple answer is YES. I've just been to Harvey Norman Computers and just seen one working model on display and because they are left on all day and usually on the one screen because nobody is using it it gets really bad screen burn in. Just thought I would let you know.
Have a nice day.
That sucks
Sent from my GT-I9300 using xda premium
Such kinds of posts without some evidence are non sense.
Perhaps you need to "donate" to get some evidence..
It sure does. It's not going to put me off from buying one though, just have to be carefull and by the way, the screen on this phone is fantastic in my opinion. Heaps better than my Galaxy S2.
da.trute said:
Perhaps you need to "donate" to get some evidence..
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I already did...
Makes sense, but who actually leaves their screen on all day long?
My screen timeout is set to two mins...unless your phone is a display model in a shop why would you have the screen on with a static image all day long?
In other words I fail to see how this will affect the masses.
But in any event, thanks for the info dude!
All AMOLED (active-matrix organic light-emitting diode) burn in...
"The organic materials used in AMOLED displays are prone to degradation over a period of time. However, technology has been developed to compensate for material degradation." (Source)
As a result, Samsung decided to use PenTile AMOLED on the S3. PenTile generally do not burn in/degrade as much as regular RGB matrix (like the S2) as PenTile is missing a full set of Sub Pixels, in which the particular colour "blue" have the tendency to degrade faster than the other colours...
I have visible burn in marks of the keyboard on my S2 when the screen is dimmed, however its effects is virtually non existent when at 100% brightness. Im not a particular big fan of PenTile when I saw the original S1, but now with such high DPIs on the screen of S3, the PenTile looks virtually to be the same as RGB matrix so doesnt bother me...plus less burn in...so no loss there...but be aware that a certain level of burn in is to be expected...
Just over a year ago when I got my sgs2 I noticed what might be described as burn in. At the time many of us took to the forum to discuss the horror we'd discovered with our new super amoled toys.
A year later and I don't even think about it because it is not burn in as we know from CRT displays. The image can just be left behind a little longer than other displays but they do go.
This is really nothing to worry about and is just a characteristic of amoled.
If I watch videos quite a lot on my phone the possibility of screen burn is going to be reduced significantly isn't it?
ballsofsteel said:
If I watch videos quite a lot on my phone the possibility of screen burn is going to be reduced significantly isn't it?
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the effects of AMOLED degradation is more profound if it continues to display the same frame (such as a video on pause or menu icons) as they are displayed continuously on the same pixels for a longer period of time compared to other various pixels that may alternate...similar issue to plasma TV...as the "backlit" is produced from each individual pixel...thats why it was never used as computer monitors...
TFT LCD and other various and similar LCDs technologies do not have this issue since the illumination produce upon the entire panel...(thus lower contrast ratio compared to AMOLED)...
For this reason i would be happy to know if there is some application that hide completely the status bar... it's the only thing it's quite alaways displayed...
Totòòò said:
Such kinds of posts without some evidence are non sense.
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Are you kidding? There is no evidence suggesting that the SGS3 will not be affected by burn-in, considering pretty much every OLED screen in existence is susceptible to it.
To those thinking "because it's PenTile it won't get burn-in", I will just remind you other PenTile displays have suffered from burn-in as far back as the Nexus One.
I seriously doubt the SGS3 is any exception to burn-in. It's just a side-effect of OLED technology in general.
It should not be an issue if you don't leave the display on a static image- and if you're very paranoid, you could install a custom ROM that allows for complete hiding of the status bar when you're not using it (I would imagine the SGS3 will have a ROM with this capability soon if it doesn't already).
Dumb question but if i have my gs3 on full brightness will that up my chances of getting a burn in?
I have an app from the market called burn in saviour, it runs the taskbar in different colours while the rest is black to help degrade the taskbar with the rest of the screen.My only problem at the moment is it was setup for the s2, I don't know how many pixels the s3 taskbar is. If anybody can tell me I would really appreciate it.
Sent from my GT-I9300 using xda premium
Samoled displays are, according to the samsung source on the amoled wikipedia page, rated to run for 8 hours a day for 5 to 8 years before being reduced to half their brightness.
So basically you are not likely to own the phone long enough for "screen burn in" or more accurately the degradation of the organic componants of the display to actually become a legitimate problem.
Sent from my LG-P920 using xda premium
Remember that blue is the worse colour for burn-in, which its why Samsung use green colors in the notification bar. Try not to use blue if you can, if you get a ROM that uses blue, user a theme to change notification bar to green.
Sent via TCP/IP
With stock rom it's impossible change the color of the status bar... i have root, is it possible to permanently hide the status bar maybe through an app?
Apex launcher, actually several launchers let you hide the dock and status bar.
Sent from my SPH-D710 using xda premium
Sure, i use nova launcher, but it hide the dock bar only in home and app drawer, for the rest of application like gmail, system setting and many other app the status bar is still here...
Didn't have room to fit the term "differences in technology" in the title. Also an objective pluses and minuses of each technology.
Please don't turn this thread into a bashing of different phones/displays. Lets respect all opinions :victory: I like to know the ins and outs of this stuff for the job .
For instance, I have read that AMOLED can have overly apparent pixels at lower resolutions and that the more often you look at black on the phone, the more battery you will save.
I, personally speaking, tend to enjoy AMOLED screens whenever I upgrade people to S3s vs. lumia 920 or iphones or HTCs.
Lumias lack vibrance to an almost unrealistic point for me. I can certainly understand if someone disagrees, however.
Iphones/ Ipads have great displays, though I find that I have to keep the brightness of them very high to keep viewing enjoyable.
HTCs are the most realistic color wise to me, though personally speaking I enjoy the contrast of AMOLEDS more. I will say, however, the pictures do not do the HTC One display justice. I haven't seen an S4 in person yet, though the HTC One easily trumps its predecessors in vibrance and clarity and is currently my favorite display, even over the S3. We'll see how that works out whenever I see S4.
What are battery saving tips for instance that I could give my customers with all brands for the customers (other than obviously higher brightness = less battery life)? Would it make sense to say that AMOLEDS burn more battery with green because of a greater amount of green sub pixels? Stuff like that.
Thanks in advance everyone!
AMOLEDs over saturate colors by default (although now you can tune it to be closer to real color reproduction if you so wish) which makes more things "pop out". AMOLEDs also do much better with black background, and in fact, I find it the best when watching movies/shows. Their weakness comes a bit with whites which keeps them from a better potential brightness, and they also suffer risk of screen burn-in (Less of a problem as long as you don't keep your screen turned on for hours when you're not using it).
Some battery saving tips:
-Turn off features you're not using. It normally goes without saying but I've met so many people who just want the complete experience who keep everything turned on and then complain because their battery goes to crap even when they're not using said features all that much.
-Beware background running Apps and Apps in general that require constant data checks. It's worth taking a few minutes to identify what these are and whether they're worth keeping and when to disable them.
-Another biggie of course is constant 3G/4G connection. Apps like Tasker and Automagic allow you to avoid constant signal locking with towers that drains your battery when you're not using any of the data.
Those are about the basics. It would be a good opportunity to point out, at least when pitching the Galaxy S4, that since it has a removable battery there's always the option of keeping a spare one that can be popped in when there's no more charge left. This would also happen to be a good time to sell them an extra battery if you keep it stocked. Oh yeah, and please, please, please direct customers towards useful apps. Again, I've met too many people with phones who just go with stock apps and never browse the Play store. There are so many useful apps on there, especially when it comes to managing your phone and taking advantage of all its features.
Sarcron said:
AMOLEDs over saturate colors by default (although now you can tune it to be closer to real color reproduction if you so wish) which makes more things "pop out". AMOLEDs also do much better with black background, and in fact, I find it the best when watching movies/shows. Their weakness comes a bit with whites which keeps them from a better potential brightness, and they also suffer risk of screen burn-in (Less of a problem as long as you don't keep your screen turned on for hours when you're not using it).
Some battery saving tips:
-Turn off features you're not using. It normally goes without saying but I've met so many people who just want the complete experience who keep everything turned on and then complain because their battery goes to crap even when they're not using said features all that much.
-Beware background running Apps and Apps in general that require constant data checks. It's worth taking a few minutes to identify what these are and whether they're worth keeping and when to disable them.
-Another biggie of course is constant 3G/4G connection. Apps like Tasker and Automagic allow you to avoid constant signal locking with towers that drains your battery when you're not using any of the data.
Those are about the basics. It would be a good opportunity to point out, at least when pitching the Galaxy S4, that since it has a removable battery there's always the option of keeping a spare one that can be popped in when there's no more charge left. This would also happen to be a good time to sell them an extra battery if you keep it stocked. Oh yeah, and please, please, please direct customers towards useful apps. Again, I've met too many people with phones who just go with stock apps and never browse the Play store. There are so many useful apps on there, especially when it comes to managing your phone and taking advantage of all its features.
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I tend to recommend two apps along with always restarting/ turning off your phone at least once a day. The apps I recommend are advanced task killer and 1tap cleaner for clearing cache. I recommend them based on their overall simplicity. If you know any simpler/ more effective apps please let me know.
Keep in mind that 95% of customers that come into the store find even connecting to password connected wifi complicated. They are hardly as computer/ UI intuitive as we are concerning apps and phone settings go. If it requires more than three intuitive clicks (not including the click to open it) we generally see it as a no go for recommendations. Lord knows how much we hate how complicated explaining port settings are to explain when people run into issues setting up their emails (Iphone 4/4s's are NOTORIOUS for this.. also if you have a bellsouth email, get a new one. They're plagued with problems) so that they don't have to come into the store every time a glitch occurs and an email becomes unresponsive.
I only understand the screen techs in "layman's terms" if you will, but here goes...
Traditional smartphone screens (HTC, iPhone etc.) are LCDs - liquid crystal displays. There is one big white backlight, and liquid crystals switch on and off to filter out different colors. Each subpixel (red, green, blue) can be adjusted to different levels for each pixel to create every color.
OLED screens, specifically AMOLED from samsung, stand for organic LED. The screen is literally made up of tiny tiny LEDs that are individually turned on or off and adjusted in brightness. This means when you see red, the red subpixels are on, and the blue and green ones are off.
I'm not sure why, but as of now, LCDs work better outdoors. The maximum brightness and reflectivity provide a brighter image on for example the HTC one compared to the S4. On the other hand, AMOLED produces more vibrant colors (I'm sure you heard the phrase "they pop out"), and I don't know why that happens either.
Also on AMOLED, when you see a lack of color (black, for instance), the pixels are OFF. This means that looking at black is exactly the same as when the phone is turned off. That is why you get an infinite contrast ratio; pure black is pure black. This is also why AMOLED gives a better battery life when looking at most images, especially black and dark ones. Conversely, the LCD will use the same power if it is on no matter what it is displaying. If it is displaying anything, it is fully on, as that big backlight covers the entire screen, with the dark pixels blocking it. This means that some light will "bleed" through the black pixels, making them appear slightly lit. The contrast ratio is a factor here, because some screens show less white when they are supposed to be black. When looking at mostly white images (Web browsing, for example), LCDs give better battery life because when you are looking at white on an AMOLED, every single subpixel is on, which consumes a ton of power. For the most part, though, unless you do heavy browsing or have a white-themed phone, AMOLED will generally give a better battery life.
The part about greens is entirely based on other aspects of the display. Most of Samsung's AMOLED displays are in the pentile matrix, which means that instead of three subpixels per pixel (RGB), you get two alternating types of pixels with two subpixels each - RG and BG. While the green pixels are slightly smaller, there are still twice as many, and this layout makes the overall image quality worse than the RGB matrix. In the GS2, Samsung used super AMOLED plus, which changed the pixel layout to RGB. This made the screen look really good, but they switched back to pentile with the GS3 because it is currently not possible to make AMOLED RGB screens with that high of a resolution. However, at 1080p, it is pretty hard for most people to be bothered by the pentile matrix. Most LCDs, aside from those found in Motorola phones for some stupid reason, use RGB.
So far this has been the best mobile device I have ever owned from Palm, to BlackBerry, Motorola, iPhone, Samsung, Nexus, Asus. This has also been the best OS I have used to date. No lag, no battery drain, no boot loop, and I get a removable battery.
Too many features others lack for the same price with less storage for the same money as the V20.
All that being said there is a problem with this phone that also ocurred with my V10. I keep the screen on at maximum brightness all the time since battery is not an issue with this phone (I have many spare batteries). About 7 months into my V10 I started noticing "ghosting" along the left and right edge of the screen. I use white icons which means I always have a dark wall paper. I could notice a very thin whitish smear along the edges. Its not bleed like you sometimes see on the second screen. What I notice goes away when you turn off the screen a while or you switch to a lighter colored background. Then I started noticing that icons for notifications were beginning to burn into the screen when using a dark background... Very odd because this is almost always an issue with OLED screens and not LCD displays like on the LG phones. Then the screen burn in started occurint on the main screen, typically when a bright image is on the screen for a long time and when switching to a screen image with a dark background the borders of the previous image are still visible on the new image. Once the phone is off for while, again, the retention issue goes away but comes back if the same image is on the screen for more more than 30 seconds or so.
Thankfully This does not affect video playback or video streaming. Its only with digital images, logos, or text.
For those not familiar with this problem its called image retention.
I placed a warranty claim on the V10 and a new phone was sent. I traded in the replacement phone immediatley for the V20. And now only 4 months into ownership the exact same problem is occurring... Grrrreat.
When I called LG about the V10 they had no idea what I was talking about. I pointed out that this issue has been discussed in the forums for the last year.
Are you also seeing this issue?
porscheoscar said:
So far this has been the best mobile device I have ever owned from Palm, to BlackBerry, Motorola, iPhone, Samsung, Nexus, Asus. This has also been the best OS I have used to date. No lag, no battery drain, no boot loop, and I get a removable battery.
Too many features others lack for the same price with less storage for the same money as the V20.
All that being said there is a problem with this phone that also ocurred with my V10. I keep the screen on at maximum brightness all the time since battery is not an issue with this phone (I have many spare batteries). About 7 months into my V10 I started noticing "ghosting" along the left and right edge of the screen. I use white icons which means I always have a dark wall paper. I could notice a very thin whitish smear along the edges. Its not bleed like you sometimes see on the second screen. What I notice goes away when you turn off the screen a while or you switch to a lighter colored background. Then I started noticing that icons for notifications were beginning to burn into the screen when using a dark background... Very odd because this is almost always an issue with OLED screens and not LCD displays like on the LG phones. Then the screen burn in started occurint on the main screen, typically when a bright image is on the screen for a long time and when switching to a screen image with a dark background the borders of the previous image are still visible on the new image. Once the phone is off for while, again, the retention issue goes away but comes back if the same image is on the screen for more more than 30 seconds or so.
Thankfully This does not affect video playback or video streaming. Its only with digital images, logos, or text.
For those not familiar with this problem its called image retention.
I placed a warranty claim on the V10 and a new phone was sent. I traded in the replacement phone immediatley for the V20. And now only 4 months into ownership the exact same problem is occurring... Grrrreat.
When I called LG about the V10 they had no idea what I was talking about. I pointed out that this issue has been discussed in the forums for the last year.
Are you also seeing this issue?
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it will go away its not really screen burn in, lcd's have this issue and its common, turn screen off for 24 hours and let the lcd cool off and the ghosting will go away. The LCD's dont have the same screen burn in that the OLED screen would.. but latent images will occur if your keeping it on non stop and high brightness. IPS at its best.
also try and use the screen burn in app and let it spam the screen with the multi colors overnight, this will help cover the burn in like ghost images.
24 hours? Hmm... I will try 8 hours tops because of obligations I need to be available by phone all the time.
I have had IPS displays before that were on all the time and didnt see this issue before...and I run all my devices into the ground.
My Plasma TV has latency issues, my Samsung AMOLED displays have burn in, Samsung LCDs had vertical banding, this LG IPS display has latency...so which displays are immune from premature (in less than one 12 month) issues?
porscheoscar said:
24 hours? Hmm... I will try 8 hours tops because of obligations I need to be available by phone all the time.
I have had IPS displays before that were on all the time and didnt see this issue before...and I run all my devices into the ground.
My Plasma TV has latency issues, my Samsung AMOLED displays have burn in, Samsung LCDs had vertical banding, this LG IPS display has latency...so which displays are immune from premature (in less than one 12 month) issues?
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V10 , V20 , G5's displays ( maybe include G6) are quantum dot IPS so they all meet image retention . Other IPS displays never meet this problem
I noticed this issue on my v20. If the phone remains off for a bit the image goes away. It can be annoying but if it doesn't hurt the phone
Sent from my Nexus 9 using Tapatalk
The screen on the V20 isn't a regular IPS, it's a "quantum dot IPS" which may be more prone to some degree of image retention due to their form of illumination (I don't know a lot about it but it's a kind of atomic luminesence) which supposedly increases colour accuracy and range while lowering the power requirement for for the backlight.
It's possible this might be the root cause of the 'ghosting' but I'm mostly guessing.
Ironic though if QD displays are prone to ghosting, and LG knowingly equipped thier phone with an always-on second screen with that tech.
Yes. I'm on my 2nd replacement for the same issue. The phone I'm typing on is now having it. The screens last anywhere from 6 to 8 months before breaking down.
Glad to see that this isn't only happening to me, I find it super annoying, I never had this happen before on other devices, and it's an unacceptable occurrence that of course nothing will be done about it, I for one can't wait to get rid of the V20.
same thing started happening to my v20 recently, around 4-5 month old phone. it's an annoyance that should happen to a flagship phone, but it looks like we're SOL...
Sent from my LG-H918 using XDA-Developers Legacy app
Tilted Pixel lines Problem.
I am also facing same problem with my 3 months old LG V20 Phone.
My phone have one more Problem.
I can see pixel lining (in whole screen) even though it is quad hd display. But the problem is that it is not horizontal, It is tilted 10 degree, and there is no vertical lines that I can recognize . And it is annoying to me.
If the screen is equally pixelated then I should have seen both vertical and horizontal lines of pixel equally like you can see in TV LCD Displays.
I encourage anyone whose 12 month warranty is about to expire to file a claim. And not use the phone at maximum brightness unless outdoors. Luckily I had some other issues with the phone like NFC and the speaker being somewhat distorted and the phone was replaced for those issues as well. If you see any deterioration in any other hardware aspect of your V20 you should definitely file a warranty claim.
I plan to keep this warranty replacement for another year as the only phone with the image quality I like is the Sony Experia XZ Premium which doesn't work with Verizon. Believe it or not I compared the V20 to virtually every new OLED flagship anr they all had a dingy yellowy color compared to the V20, including the new iPhone X. The Sony was the only phone that had both the color accuracy like and LCD but the deep color pop of an OLED. Best of both worlds with the only 4K screen and battery life better than my V20
Noobie McNoob
It is my understanding that the V20 will get image retention, but not actually burn-in. Is this true?
Also, I have searched for solutions to the image retention problem. Most solutions advise the use of apps that cycle through colors or simply leaving the device off for awhile. I used a color cycle app, which helped, but the issue returns. And leaving my device off is, simply put, not an option. I did come across a post about replacing the thermal paste. Any truth to this method?
But I'm wondering, if I go through with taking my phone apart to apply paste, wouldn't it be beneficial to also replace the screen as well? Or am I missing some factor I haven't read about yet?
JynxTheFierce said:
It is my understanding that the V20 will get image retention, but not actually burn-in. Is this true?
Also, I have searched for solutions to the image retention problem. Most solutions advise the use of apps that cycle through colors or simply leaving the device off for awhile. I used a color cycle app, which helped, but the issue returns. And leaving my device off is, simply put, not an option. I did come across a post about replacing the thermal paste. Any truth to this method?
But I'm wondering, if I go through with taking my phone apart to apply paste, wouldn't it be beneficial to also replace the screen as well? Or am I missing some factor I haven't read about yet?
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Once image retention sets in it will return once the screen is on for long enough. I ran those screen burn in apps overnight for months. Made no difference at all. The only option is to completely replace the display if you can get it cheap.
JynxTheFierce said:
It is my understanding that the V20 will get image retention, but not actually burn-in. Is this true?
Also, I have searched for solutions to the image retention problem. Most solutions advise the use of apps that cycle through colors or simply leaving the device off for awhile. I used a color cycle app, which helped, but the issue returns. And leaving my device off is, simply put, not an option. I did come across a post about replacing the thermal paste. Any truth to this method?
But I'm wondering, if I go through with taking my phone apart to apply paste, wouldn't it be beneficial to also replace the screen as well? Or am I missing some factor I haven't read about yet?
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No need to do all that, install Night Screen by paper airplane dev team and set the slider at around 80%(make sure you're on the moon icon). Also let the screen cool off before you do this and set it up. You won't really notice the filter much and all the retention problems will be a thing of the pass.
@porscheoscar - No kidding lol Replacement LCD are not cheap. I'm gonna keep an eye on them cause I want to keep my V20 as long as possible. One of the last phones, that I'm aware of, I can carry an extra battery for. I love switching batteries while my friends with their latest, greatest phones watch their battery percentage like a hawk hehe
@salvichulo - Thanks for the tip ^_^ I installed it & am giving it a workout. I try not to be on my phone a lot, but I'm a gamer ;P Once phones became powerful enough to really game on, I killed my Xbox Live account & game exclusively on my phone. When I get the money I'm gonna look into getting an Android Emulator for my laptop.
A bunch of people are on here saying that they notice this ghosting problem after a few months, and that after that their phone's screen deteriorates rapidly. I just got this phone for Christmas, and I love it, but I noticed this annoying ghosting problem immediately. Should I be worried? I'm a little nervous it's getting worse.
why don't you root your phone? By rooting your phone you can change color setting by using custom kernel it help you with this problem .
VocaloidBoy said:
why don't you root your phone? By rooting your phone you can change color setting by using custom kernel it help you with this problem .
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I don't really know how to root my phone, it seems complicated, and wouldn't it void the warranty?
FasterThanAnarchy said:
A bunch of people are on here saying that they notice this ghosting problem after a few months, and that after that their phone's screen deteriorates rapidly. I just got this phone for Christmas, and I love it, but I noticed this annoying ghosting problem immediately. Should I be worried? I'm a little nervous it's getting worse.
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You can use app Nightly from Play Store, set to 75% and ghosting effect disappear
Enviado desde mi LG-LS997 mediante Tapatalk
FasterThanAnarchy said:
I don't really know how to root my phone, it seems complicated, and wouldn't it void the warranty?
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Of course warranty will be void