iPhone 4 display under microscope

iPhone 4 display – On site Engadget is possible to view screen shots of the old iPhone 3GS and new iPhone 4, made with the help of a microscope.

Although it is clear that the new iPhone 4 screen is better than the old one. Only the images that have made by Ryan White and Bryan Gaunt of the University of Penn State shows how much exactly is better. The new screen has a pixel size of 6.5 * 20 microns, as opposed to 13 * 40 micron old screen. New screen put in the same area four times more pixels and a sharper image.