Screen issues (color banding, flickering)


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  1. markanon

    markanon Active Member This Topic's Starter

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    Just wondering if anyone else had noticed faint flickering issues with their Behold 2 screens? I especially notice it with smooth gray scale gradients, soft focus wallpapers, or solid color mid tones. Also, some color banding in grey mid tones... looks like faintly alternating horizontal lines of green and magenta.

    I work in digital imaging professionally, so I really notice such things. Can't decide if I'm being overly critical, or if my phone has an issue.
     

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  2. paul89

    paul89 Well-Known Member

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    mine does the same thing, its just the technology of an AMOLED screen
     
  3. markanon

    markanon Active Member This Topic's Starter

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    some pics to illustrate:

    [​IMG]

    [​IMG]
     
  4. markanon

    markanon Active Member This Topic's Starter

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    But I thought the whole point of AMOLED was that it was the best display tech you could get... more colors, more intense colors, brighter screen... etc. Seems pretty lame that a AMOLED is prefect as long as you're not looking at a mid tone, or anything gray, or a smooth gradient.



     
  5. Cepheus

    Cepheus Member

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    I see the "bars" as well so...perhaps it's normal ...
     
  6. paul89

    paul89 Well-Known Member

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    ya its true, it has more colors and more brightness, but there is always a flaw in everything, nothing is perfect lol. AMOLED also saves battery life. Maybe its just weird like that because the screen resolution, or how small the creen is itself. are screen is 3.2 inches with a 320 by 480 i believe, while a screen not much bigger (3.7) has a resolution of 480 by 860 or something close to that, I cant remember the exact numbers.
     
  7. yatimameiji

    yatimameiji Well-Known Member

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    I think its not the screen per say but the images used by the software. Have you taken a look at the home screen with one of the provided backgrounds? It looks wonderful. I think its just whatever images were used to build the dialer, etc.
     
  8. paul89

    paul89 Well-Known Member

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    could be, I know what you mean, it could be the quality of the interface graphics on some images!
     
  9. markanon

    markanon Active Member This Topic's Starter

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    That's why I included the dialer, i think that's a vector image, not bitmap. But I do see it with included wallpapers too. Weirder, on the wallpapers I really notice the flickering when using the HTC sense blurred background. All those smooth tones really expose the flicker. And when I say flicker, i mean it's a faint version of what would happen when you needed to degauss a CRT monitor, or the refresh rate is off or something.



     
  10. paul89

    paul89 Well-Known Member

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    what I see sometimes is thin horizontal bars streaming down the whole screen, it is very fait but somnetimes makes the screen feel cheap, or look cheap
     
  11. markanon

    markanon Active Member This Topic's Starter

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    exactly, paul89- It's these flickering horizontal lines that cascade down the screen. I'm willing to overlook the green/magenta banding in grey tones because of issues of color spaces, image compression, and a dozen other things that make this tricky to pull off.

    But the flickering thing.... just seems really poorly made.

     
  12. paul89

    paul89 Well-Known Member

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    I mostly notice it when the screen is a very light color, or white. Ya I know what you mean its disapointing, I dont know if its just our phones, or if its just the amoled technology.
     
  13. cubinthecity

    cubinthecity Active Member

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    Definitely agree, huge disapointment with the screen flickering.
     
  14. melsjcal

    melsjcal New Member

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    no you are not being over critical. I had mine since december and have same issues. I recently got the update from samsung and its ten time worse. Mine still under manufacter warranty, so tmobile sent me a new one which i got today and it has the same issue. Grey scale screen, flickers like crazy, i am returnin for a 3rd relplacement.
     
  15. shawn1224

    shawn1224 Ex CEO-DNPSEA foundation VIP Member

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    I keep seeing tv snow ... reminds me of this


    I'm scared to go near my Behold now ....

    [​IMG]
     
  16. LightofHonor

    LightofHonor Well-Known Member

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    Could it be the same bug that makes the Nexus One (also AMOLED) band? If it is, it could just be a software update.... which might never come lol
     
  17. HadouGhost

    HadouGhost Well-Known Member

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    mine doesnt have this issue. but the behold 2 i had before swappign phones did.
     
  18. Bronyr

    Bronyr Member

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    Just got my nexus and everything is working great except - the terrible flicker in the camera. As soon as I turn the camera on, the whole screen shakes as if witnessing an earthquake; the camera seems to 'remember' the objects at which it was looking because even when I close the viewfinder it continues to show the same image for a few seconds with shaking and blurring; when I toggle to camcoder it most of the time takes care of the problem, but not always. Toggling back to camera mode works for like 1-2 seconds, then the shaking of images appears all over.
    No soft/hard resets have helped. Repair ticket issued, this puppy is heading to the shop.
    Very disappointed...
     

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