by Volker Weber


I was wondering why the Lumia 1520 developed more scratches on the display than the 1020 and did some research. As it turns out, Nokia is using Gorilla Glass 3, the much stronger material on the 1020, but not the 1520. Gorilla Glass 2 is just 20% thinner than Gorilla Glass, but has the same properties.

While I was at it, I also wrote down a few more parameters, and I hope I got them all right. Gorilla Glass on iPhone is always disputed, since Corning does not list Apple as a customer, nor does Apple list any suppliers. But it is agreed that Corning's 2006 development of Gorilla Glass made the iPhone possible in 2007.

In any case, we have come a long way in pixel density (PPI = Pixels per Inch) and screen sizes.


But the iPhone 3S was called 3G back then. That was my first iPhone.

Dirk Steins, 2014-03-26

2007: iPhone
2008: iPhone 3G
2009: iPhone 3GS
2010: iPhone 4
2011: iPhone 4S
2012: iPhone 5
2013: iPhone 5S

Volker Weber, 2014-03-26

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