amoled burnin

Sysiphus1981 · Dec 29, 2010

Ok, i own my galaxy about 5 months. I turned the backlight to 0% in andromax, started the xda app and saw my battery, signal indicator and time as a shadow at the brown xda loadscreen. brightness was always set to auto.
I know this effect on plasma tvs, but with amoled, shouldn't be possible by design.
any thoughts are welcome

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cs42 · Dec 29, 2010

It's usual degradation of OLEDs. As the statusbar is quite static those pixels that are always light degrade faster than pixels than other ("not so static") pixels.

Now the more degraded pixels are darker on the same voltage levels and this can be seen when the statusbar is hidden.

That's one of the disadvantages of OLEDs currently.

kekiko · Dec 29, 2010

Sysiphus1981 said:
Ok, i own my galaxy about 5 months. I turned the backlight to 0% in andromax, started the xda app and saw my battery, signal indicator and time as a shadow at the brown xda loadscreen. brightness was always set to auto.
I know this effect on plasma tvs, but with amoled, shouldn't be possible by design.
any thoughts are welcome

Sent from my GT-I9000 using XDA App

Try rebooting your phone, then in the keypad dial *#0*# and test the screen with the options there check if there is any error in colour reproduction. Or test with images created with paint with only a single colour paint and test it with the screen on galaxy s.
If you observe any colour out of place or not uniform throughout, it might due to hardware issue of the amoled screen.

Hope this helps

Sysiphus1981 · Dec 30, 2010

checked via sgs tools secret codes (the code from above) lcdtest. degration is there for green and blue, hard to see in red.
will test some disco flash app, maybe it will get better like with plasma panels.
all in all, it is only annoying and the display will get damaged by design. I wonder, if there is a theme for the bar with less contrast grafics, like most tvstation did with there stationsymbol.

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mengsuan · Dec 30, 2010

The blue pixel organic compound of AMOLED will degrade the quickest. That's the reason these phones are programmed to be more blueish when new, so that as it degrades, the blue should still be visible until the screen dies.

Tanis64 · Dec 30, 2010

I own my SGS I9000 now since the 25th of June and i don't have that problem, how long is your total amount of Screen on time? I think by intensive use my approx. Screen on time per day is about 2 h. 6 Months are 180 days a 2h are 360h. Industrial Keys for Control Panels with OLED Displays have a average lifetime of 15000h, newer one 30000h.
I don't knew the lifetime for Samsungs AMOLED Screens but i guess it sould be around 10 to 15k hours. So i would contact seller, or samsung service about that.
Regards Christopher

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kempas · Dec 31, 2010

In the UK you're covered by the Sale of Goods Act - the phone should be expected to last a good 5 years or so. I didn't agree to anything about a failing screen so if it doesn't last an appropriate time then I'll be expecting a replacement screen.

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mengsuan · Jan 1, 2011

You know what? I went to check my screen under white, red, blue and green; I have some burn in for the battery icon as well. Lol.

To avoid more damage, I will be using the device in varying orientation.

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EarlZ · Jan 1, 2011

I wonder how fast the SAMOLED will die if its used as a deskstand for 8hrs / day

hydrouk · Jan 1, 2011

kempas said:
In the UK you're covered by the Sale of Goods Act - the phone should be expected to last a good 5 years or so. I didn't agree to anything about a failing screen so if it doesn't last an appropriate time then I'll be expecting a replacement screen.

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UK law says a product is expected to last 12 months however Samsung do have a 24 month warranty on this product which is nice. If i was you kempas i would have that repaired (screen replacement) as it's completely free except for the time it takes.
Samsung Warranty Information

Just remember to flash back a factory firmware before you send it to a repair centre, custom/modified firmware voids your warranty in any country.

EarlZ · Jan 1, 2011

I've got my phone for about 4 months, everyone else I know can see a visible silhouette on the AM/PM symbol with a blue/white image displayed on the screen.

I guess in a year's time its gonna be completely screen burned.. would this mean that SAMOLED is pretty much in infancty/trial stage?

Maddmatt · Jan 1, 2011

Sysiphus1981 said:
I turned the backlight to 0% in andromax,

There is no backlight on AMOLED and SAMOLED screens.

EarlZ said:
I wonder how fast the SAMOLED will die if its used as a deskstand for 8hrs / day

Pretty damn quickly. Well it wont die, but burn-in will set in and the screen brightness will degrade.

Although if you use an app like alarm clock Plus it shouldn't be a problem. When it goes into screensaver mode it keeps the background black and only uses a small portion of the screen to display the time and date. It also moves the time and date around to prevent burn-in.
I use it at night when my phone is charging. The black pixels do emit a tiny amount of light but that shouldn't do any harm.

oswade · Jan 1, 2011

EarlZ said:
I've had my my SGS for about 4 months, everyone else I know can see a visible silhouette on the AM/PM symbol with a blue/white image displayed on the screen.

I've had phone for 6mths. Most of the time on 0% brightness. I never noticed it before but after reading your post I noticed the AM/PM burn in VERY VERY slightly (only on pure blue background)

From now on I'm using 24hrs clock format LOL.

Let's face it though guys, u can't keep a perfect screen forever. I even have a single stuck pixel but I learned to live with it. (1 pixel on a 480x800 screen is fairly unnoticeable, especially if it's a good colour).

EarlZ · Jan 1, 2011

It was not noticable till i read about this thread, i hate knowing things like this! hahah

Anyway we can fix the burn in ?

EDIT:

The 24hr format barely helps since theres already a very faint image of the numbers burning in.

Im guessing after a yr of usage the screen burn will be very obvious... with this said im having 2nd thoughts of getting another AMOLED based screen haha

iammodo · Jan 1, 2011

to fix LCD TV's you flush with white. so leave a pure white screen running over night. this kinda resets the crystals.
worth a try with the phone also with the galaxy s you need to have 8 dead pixels to change the screen so if affected area is over 8 pixel should be fine.

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EarlZ · Jan 1, 2011

The AM/PM sign is displayed by a white pixel so Im not sure displaying a white color overnight can help fix the issue.

Having the screen replaced is not an option here in where I live, its gonna take over 60-75 days for them just to replace the screen and chances are it will be a refurb screen or they will just outright refuse replacement since its a burn in.

The affected area is probably more than 8 pixels.

iammodo · Jan 2, 2011

it resets the crystals so should work. worth a try if someone has a burn

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iammodo · Jan 2, 2011

sorry not cyrstals the leds

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EarlZ · Jan 2, 2011

iammodo said:
it resets the crystals so should work. worth a try if someone has a burn

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The AM/PM is displayed with a white color by default, so how can displaying a a full white screen fix/reset the image burn ?

btw the image burn is a faint black.

EarlZ · Jan 2, 2011

Im also guessing with the GB update they removed the AM/PM so help prevent screen burn and prolong the intitial burn instead of 4 months to probably 8 or 12.

amoled burnin

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