screen burn in?Support


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  1. cs89

    cs89 Member This Topic's Starter

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    Noticed a new potential problem. When I'm in landscape mode, the left 3/4 of my screen is a shade darker than the right 1/4 of the screen. The width of the shaded area is the same width as the total screen in portait view. It looks like the portrait view area is burnt into the landscape view.
     

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  2. cs89

    cs89 Member This Topic's Starter

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    Powered off and then on again...now it's gone. We'll see if it returns. Has anyone else seen this? I was seeing it on the home screen and every other in landscape. I wonder what's causing that.
     
  3. Adrift

    Adrift Well-Known Member

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    I believe it is impossible to "burn-in" an LCD screen. LCDs work differently than old CRT screen where "burn-in" was a problem. LCD's will only display an image if it is recieving an image signal to display, as soon as that signal ends so does the image on screen. There maybe a slight lag, and alot of early LCDs had a very slow refresh rate resulting in "ghosting". However, an image being forever burned into the screen should be impossible.
     
  4. cs89

    cs89 Member This Topic's Starter

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    That's what I figured..burn in is not possible. Ghosting is probably a better term for what I saw. If it becomes a reacurring thing, I assume updates to the phone could fix this bug?
     
  5. Gremlyn1

    Gremlyn1 Well-Known Member

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    You mean it's impossible to burn in a LED, not LCD.

    Just saying... ;)
     
  6. numus

    numus Banned

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    Plasma works by burning (high energy electrical charges) Phosphor on the screen to make the vivid colors and images... LCD and LED do not involve an electrical charge into a gas.. this is why plasma devices have the possiblity of burn in (uneven distribution of charge and heat for prolonged periods of time)... In the AMOLED screen.. you only risk the possibility of the LEDs burning out (which is damn near impossible)...
    what you saw was more then likely a form of image retention.. glitch in the power intervert and/or software that held a shadow of the image on accident.. by turning off teh device you discharged the screen (like shaking an etch-a-sketch) and reset everything
     
  7. Adrift

    Adrift Well-Known Member

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    Lol, yes I forget this screen is AMOLED, not just LED backlit LCD.

    However, it should still be impossible to burn-in an LCD. Even more impossible to burn-in an OLED, just based on what it is.
     
  8. cs89

    cs89 Member This Topic's Starter

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    My ghost has not returned. So it was just that one and only time yesterday and have owned this phone for almost 3 weeks. Not worried about this issue. Thanks for the help.
     
  9. Jim W

    Jim W Well-Known Member

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    Sorry for the old bump, but good information in here on the screen type.

    I was worried about using the option of keeping the screen on when it's plugged in. I was afraid if damaging it.

    I keep it plugged while playing music at work and it's annoying to keep waking it up to check out what song is on.
    :cool:
     
  10. MobstaJ

    MobstaJ Active Member

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    Google oled burn in to find out that it is very possible to get some burn in of oled screens. Moreso than lcd's due to the fact that oled pixels emit their own light which grows dimmer over the life of the pixel. The more active or bright the pixel, the more quickly it dims. This is over the course of thousands of hours but it is possible.
     
  11. njbianco

    njbianco Well-Known Member

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    That would really be to bad since i keep my phone on 100% brightness at all times
     
  12. agent0014

    agent0014 Well-Known Member

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    ahh sounds like a plasma TV... more burn-out than burn-in lol.
     
  13. Jim W

    Jim W Well-Known Member

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    hmm, well I keep my slightly dimmed anyway and it's not like it's on all the time.

    The phone will be dead before I clock enough hours n the screen...........I hope. :eek:
     
  14. IOWA

    IOWA Mr. Logic Pants Moderator

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    Are you using a home replacement?
     
  15. Jim W

    Jim W Well-Known Member

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    me?...nope.
     
  16. numus

    numus Banned

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    I don't really believe this.. I have found hundreds of articles that say there are no burn-in possibilities for OLED.. haven't really found one with real data to show there is a possibility.. Are you sure you are not looking at LED Backlit displays (possibly using an OLED source) vs OLED screens? Most standard LCDs use a CCFL.. These can dim out over time.. but an OLED is a SS (steady state) light source that doesn't have a gas or filliment problem..
     
  17. dkjones96

    dkjones96 Well-Known Member

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    Even with an LCD it is possible to, in a way, burn in the display. In LCD it is called image persistence and while it is usually only a temporary thing caused by a pixel going bright for a VERY long period of time and never changing it can become permanent. Never actually seen it but I know it exists.

    Any screen that creates its own light will eventually lose its ability to create light and slowly fade. Now, LED technology has advanced dramatically but still doesn't have an infinite life span. Red typically has an MTBF of 150,000 hours while blue and green are 80,000. To put this into perspective though 80,000 hours is 9 years of steady, full power use. Our displays aren't run at full brightness most of the time(at least mine isn't, I find the factory auto-dim works great for me) and change when we navigate or watch videos.

    So yeah, OLED displays will eventually fade and die and will 'burn in' an image if you leave it on the same thing for 4-5 years against a black background at full brightness all the time, but will it happen during the useful life span of the phone or even be possible during normal use? No.
     
  18. MobstaJ

    MobstaJ Active Member

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    When I posted earlier I didn't mean to imply that burn in would happen quickly, just that oleds are more susceptible than lcds. Burn in would likely take a longer time than the useful life of the device. Especially when you are a dork like me and have to upgrade your phone every year. I know I've seen several hospital computers with lcd burn in from running the same standby screen for years so it is definitely possible if you have the thing say charging all the time with the screen on and stationary. But who does that? Oh, all those palm pre users with touchstones and no ability to turn off the screen. I'll be curious to see if any pre users develop burn in.
     
  19. numus

    numus Banned

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    I think there is a misconcept here between Burn-in and Image retention...
    LCD's are more susceptable to stuck or dead pixles (stuck in a single color or unable to actually light anymore) which causes a red, green, blue or black spot on the screen.. But since LCD's do not use burned phosphor like plasma and CRT do, i would not classify this image retentention (presistance or whatever) as that of a true "burn-in"....
     
  20. dkjones96

    dkjones96 Well-Known Member

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    I wouldn't classify them as the same thing either but the symptoms look similar and can become permanent either way. Call it what you will, image retention, burn in, burn out, whatever. Just know that it can happen but won't except under the most extreme of conditions for a very long time.
     
  21. SlyFerret

    SlyFerret Well-Known Member

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    I really wouldn't worry too much about it.

    The life span of a smart phone handset is what, two years? This is considering the rapid pace of technology, and the 2 year upgrade credit from carriers.

    In that 2 years, you're probably more likely to break the phone, lose it, or have it stolen, than you are to burn in the screen.

    -SF
     
  22. RogerPodacter

    RogerPodacter Well-Known Member

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    Just to give some info, the nexus one amoled screens are suffering image sticking after only a month. Many people are reporting it on different forums. And It's permanent, which sucks.

    Amoled is actually much more prone to this than standard lcd it seems. Call it burn in or image sticking or whatever you want, but its happening very quickly on many nexus ones amoled screen. The pixels are wearing out faster where the notification bar is, and It's not reversible.
     
  23. Zumaki

    Zumaki Well-Known Member

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    Incorrect.

    This is an AMOLED anyway, and yes, they still burn.

    1 year for Moment owners due to "premiere" customer status.
     
  24. Howie

    Howie Well-Known Member

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  25. Blind_Aim

    Blind_Aim New Member

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    I saw burn-in/image retention of the home screen on a Samsung Fascinate (Super AMOLED display) in the Verizon store today when i was looking for an in-person view of the displays between three phones I was considering. I saw the Fascinate a few days ago and thought the colors were popping more than the other phone I was considering, but wanted one more look. To the unit's credit, the store admitted that they have the phone on constantly and do not let it go to standby-mode. There's no telling how many hours that phone was running, but a persistant image was very noticeable.

    My visit helped me choose another phone, which I will refrain from naming to prevent a supporter from diverting the thread. It wasn't due to the image retention, but another aspect I preferred on the competing phone.

    I think this should serve as a warning to those that dock their phones at their desk to serve as a substitute for a $10 digital clock though.
     

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