Report – iPhone 4 screen discoloration will resolve itself

Thu, Jun 24, 2010


Yesterday we reported that some iPhone 4 owners were experiencing screen discoloration in the form of yellow tinting on their new devices.

In the wake of those user reports, an unsubstantiated forum poster at AppleInsider claims that the issue will resolve itself over the course of a few days, and that the discoloration is merely the result of the bonding agent Apple uses on the iPhone 4 display.

Apple is using a bonding agent called Organofunctional Silane Z-6011 to bond the layers of glass. Apparently, Apple (or more likely Foxconn) is shipping these products so quickly that the evaporation process is not complete. However, after one or two days of use, especially with the screen on, will complete the evaporation process and the yellow “blotches” will disappear.

How do I know? I was involved in pitching Z-6011 to Apple.

If any iPhone 4 users out there noticed yellow spots on their iPhone only to discover that the “problem” soon disappeared, let us know!


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