GiggityGiggity
Android Enthusiast
Maybe I'm missing the point here but I'm not worried at all about burn in. I had no idea some people have had problems with it on the S2 but now I know I'm still not worried (and I paid
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- Thread starter VincentAnoid
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VincentAnoid
Android Enthusiast
Who said the S3 will be OLED (Source?)? I dunno but I find the fact that my phone wears out rapidly with usage of the screen is offputting
Russell Ng
Android Expert
All screens have their own problems. Plasma, LCD etc.
I've noticed that some IPhones screen is really yellowish but the extent is not the same on every phone. For Oled's the blue wears out faster so sometimes they have more blue pigments which might explain why it looks blueish on some phones. Again not to the same extent on every phone. All these is likely due to manufacturing technology which should improve over time.
That said, Samsung have sold 300million SGS2. Compared to those numbers, the complaints for screen problems is negligible in terms of statistics. Anyway, there is a 1 year warantee and it as long as the screen does not lose its colors before 3 years, I don't see the problem.
Don't worry so much.
Cheers
PS-All types of screens wear out with usage
I've noticed that some IPhones screen is really yellowish but the extent is not the same on every phone. For Oled's the blue wears out faster so sometimes they have more blue pigments which might explain why it looks blueish on some phones. Again not to the same extent on every phone. All these is likely due to manufacturing technology which should improve over time.
That said, Samsung have sold 300million SGS2. Compared to those numbers, the complaints for screen problems is negligible in terms of statistics. Anyway, there is a 1 year warantee and it as long as the screen does not lose its colors before 3 years, I don't see the problem.
Don't worry so much.
Cheers
PS-All types of screens wear out with usage
Russell Ng
Android Expert
Even normal wear and tear will reduce its effectiveness. LCD have ghosting. The backlights might lose its brightness etc....
Point, can the screen last long enough for a user that he does not have to change phone all the time say 3 years or if you are a keeper 4 years. You don't expect to keep the phone for 10 years do you? Else we should all just stick to the Greenish Nokia screens of yesteryears. Wonder how long those lasts....
Point, can the screen last long enough for a user that he does not have to change phone all the time say 3 years or if you are a keeper 4 years. You don't expect to keep the phone for 10 years do you? Else we should all just stick to the Greenish Nokia screens of yesteryears. Wonder how long those lasts....
Its probably one reason why apple didn't use oled. LCD will last longer but its brightness will reduce too. That however will be a long time.
It a almost certain the s3 will have oled. Samsung want to push this technology. I would be very surprised if they went back to lcd .
The iphone 5 is supposed to have a larger 4in LCD. Again it will be a big surprised if Apple went OLED.
Then it is a very good choise that apple put in a LCD. Because then the iphone would last longer than the Galaxy if you dont drop it and take care of it.
VincentAnoid
Android Enthusiast
Hmm but you never know, it seems viable though now that they are a major producer of these screens. A chance of the those flexible screens though, and Apple will be good as dead.
It's not "fact" it's conjecture. The S-AMOLED display of the GS2 hasn't been on the market long enough for any firm conclusion to be drawn either way.
Image retention, burn and oled decay is fact of through technology however. Like you said it is such a new tech the outcomes haven't been seen yet.
like plasma and crt TV you would have to abuse the screen a lot to get burn. Image retention does seem to happen fast however if you try my grey screen test.
OLED does provide superior image quality for TV however. The S2 quality would be better if colour was reference level and more natural.
Exactly. Nobody knows yet to what extent this latest iteration of OLED technology will be affected, but already people are panicking and taking it as gospel.
I think it's more like the LEDs are slower to respond under certain conditions, similar to 'smearing' seen on LCD displays with higher response times. I can't honestly see an image displayed for 10-15s causing true retention/burn.
I think "Movie" mode gets it pretty close to sRGB in colour rendition, at least from a side-by-side comparison with my calibrated and profiled desktop monitors. The gamma definitely seems a tad on the high side compared to the accepted standard of 2.2 though, giving slightly increased contrast.
Russell Ng
Android Expert
So bottom line, we wait a couple of years and see if the screen degrades that much 
Still, handphones usually lasts about 3 years anyway. After that it goes screwy a lot of times. Even old Nokia phones have a lifespan. The screen contrast becomes worse so its harder to see the text after a few years.
If the screen last for 3 years or more, I would say that's good. Don't forget that we are using it very extensively. And after 3 years, probably have to get a new phone.
Cheers
Still, handphones usually lasts about 3 years anyway. After that it goes screwy a lot of times. Even old Nokia phones have a lifespan. The screen contrast becomes worse so its harder to see the text after a few years.
If the screen last for 3 years or more, I would say that's good. Don't forget that we are using it very extensively. And after 3 years, probably have to get a new phone.
Cheers
OK I have spent ages routing around for info on the SAMOLED screen - virtually nothing spec wise out there.
8000-14,000 hours is the HALF LIFE quote for BLUE oled cells, however Green and Red have a lifespan much much longer than that (some tests subjects upwards of 200,000 hours half life).
So 10 years is a rough estimate before you see noticeable decline to half the brightness / colour change of the original cell.
The two WORST things to look out for, that could damage your screen in the meantime is UV Light and Moisture Damage.
UV will kill OLED cells. I read that tests with a laser similar to ones used in Bluray players killed the screen instantly. Sunlight to a much much lesser extent.
There was also a post on these forums where someone had the original logos of the factory screen cover burnt into the screen - this would have been the result of Strong prolonged Sunlight exposure (probably on display in a window or out-door market)
The logos acted as a shadow so essentially a silhouette was burnt into the oled cells.
Regarding moisture damage. The OLED display has to be made as water-tight as they can get. Special chemical films are used to prevent water intrusion during manufacture. If moisture did get in however the cells would be damaged.
8000-14,000 hours is the HALF LIFE quote for BLUE oled cells, however Green and Red have a lifespan much much longer than that (some tests subjects upwards of 200,000 hours half life).
So 10 years is a rough estimate before you see noticeable decline to half the brightness / colour change of the original cell.
The two WORST things to look out for, that could damage your screen in the meantime is UV Light and Moisture Damage.
UV will kill OLED cells. I read that tests with a laser similar to ones used in Bluray players killed the screen instantly. Sunlight to a much much lesser extent.
There was also a post on these forums where someone had the original logos of the factory screen cover burnt into the screen - this would have been the result of Strong prolonged Sunlight exposure (probably on display in a window or out-door market)
The logos acted as a shadow so essentially a silhouette was burnt into the oled cells.
Regarding moisture damage. The OLED display has to be made as water-tight as they can get. Special chemical films are used to prevent water intrusion during manufacture. If moisture did get in however the cells would be damaged.
Then with all due respect avital, I suggest that you stop worrying about something that might happen after between 333 and 533 days of continuous use and buy an iPhone. It's obvious that nothing any GS2 owner says will persuade you otherwise.
OK! Between 333 and 533 days! Thats very good to know, since the phone wasnt exactly cheap. I wish i knew this before i actually bought this thing.
The 8000-14000 hour quote is until HALF BRIGHTNESS. - Even then that's a quote from Sony in 2008/9. Although improvements have been made Blue OLED cells still age quicker.
If your screen was on continuously 5 hours a day - thats 4.5 - 8 years before blue half brightness.
Judging by other reports the USB interface and Battery will pack-in before the screen ever does.
LCD Displays also have a half brightness / half life quote too. A LCD display back light dims and changes with age too- although this is much longer in the tens of thousands of hours avrg.
VincentAnoid
Android Enthusiast
So if I do get a phone with Amoled, I should get a homescreen with the least blue as possible. Being blue wears out quickest.
Thanks late8 for the research above. A lot of help
Thanks late8 for the research above. A lot of help
Today's LCD technology can be around 60,000 - 100,000 hours Brightness Half Life- this is mainly the back light quote.
Same figures go for Plasma displays that use self-emitting light.
You will still get colour change over this time but that mainly effects White balance.
LCD colour cells and black filters - infact the whole LCD technology - works differently.
VincentAnoid
Android Enthusiast
So do I try and keep the screen away from blue as much as possible? Since blue is the fastest wearing colour.
The oled blue was 8000-14000 hours half life. LCD 60000 100000 brightness half life. so not quite.
They may have improved blue oled but i doubt 8 times as long as quoted.
I honestly won't worry unless you want to keep the phone for the next 7 years. To be frank i doubt you would notice unless you compared a s2 in several years time to a unused s2.
Okey thank you for your answer 
I did read that it could be possible that the screen can last longer than the LCD?
"some manufacturers' displays aim to increase the lifespan of OLED displays, pushing their expected life past that of LCD displays by improving light outcoupling, thus achieving the same brightness at a lower drive current"
I did read that it could be possible that the screen can last longer than the LCD?
"some manufacturers' displays aim to increase the lifespan of OLED displays, pushing their expected life past that of LCD displays by improving light outcoupling, thus achieving the same brightness at a lower drive current"