Not completely golden, but you don't see too many attempts to explain mobile screen technologies to the layperson (or at least smartphone illiterate person) such as myself. The user comments on the article will be useful, too.
Even if your screen has high pixel density and great color reproduction, a highly reflective screen can mess up your view. Instead of reading your article, movie, or e-mail clearly, you may be dodging overhead lights, sun rays, and your own reflection to strain to see what's on the screen.
As I mentioned above, the quality of the physical display materials can play a role in "reflectance." But manufacturers can also do something about it. In the Lumia 900, Nokia applies its ClearBlack filter above the touch layer on its (non-PenTile) AMOLED screen, but below the cover glass. ClearBlack works on LCDs, too