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Old Jan 27, 2013, 10:34 PM   #1
Tbdbuckeyeitl
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Join Date: Jul 2012
Checking new 2012 iMac screen help

After reading some threads how do I check for screen yellowing, light bleeding from corners, and image retention or ghosting. I have stared at the yearly calendar for ten minutes if it is yellow on the bottom it's not much if it was yellow would I know it?
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Old Jan 27, 2013, 11:05 PM   #2
WilliamG
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Good grief! Yes, you'd know if it was yellow because it... would... be....yellow?

Image retention? Use your screen. Do you see any? No? Good.

Next. There will be brighter corners on your display. Period, the end. It's normal. You'll see it on dark material. It's not bleed.

Quoting myself from another thread...


Quote:
Originally Posted by WilliamG View Post
Some yellow toward the bottom is normal. Just breaking that information to you. It seems to be more pertinent with the 2012 models. It shouldn't be outrageous amounts of yellow, but a "little" is normal.

I hate to say that, since it shouldn't be the norm, but alas... it is.

Also, you don't have bleed in the corners. Bleed is when part of the light is shining through the actual panel edges. What you have is viewing angle deficiencies, which IPS panels have. Sit right in front of that "bleed" and you'll see it disappear completely. If it were bleed, it wouldn't disappear.

e.g. this is NOT bleed.:

Image

e.g. this IS Bleed:

Image
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Old Jan 28, 2013, 06:39 AM   #3
Tbdbuckeyeitl
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The yellowing issue is it a bright noticeable yellow and does it get worse or stay the same.
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Old Jan 30, 2013, 07:54 PM   #4
WilliamG
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Quote:
Originally Posted by Tbdbuckeyeitl View Post
The yellowing issue is it a bright noticeable yellow and does it get worse or stay the same.
It doesn't get worse. It gets better if you calibrate with an i1 colorimeter or some other brand.
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