I haven't see this on a Cinema display but I have see this in the older iMac's. The LCD screens lamination is coming apart. You'll need a new LCD panel.
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I haven't see this on a Cinema display but I have see this in the older iMac's. The LCD screens lamination is coming apart. You'll need a new [http://www.macpalace.com/661-5542-27-led-cinema-display-mc007ll-a1316-lm270wq1-sd-b1-.html|27" LED Cinema Display LCD panel - Apple P/N 661-5542]
Clearly the LCD screen is having problems.
I haven't see this on a Cinema display but I have see this in the older iMac's. The LCD screens lamination is coming apart. You'll need a new LCD panel.