This screen is revolutionary for two reasons. The second is probably more important than the first.
"We are embracing a practice commonly used by the Silicon integrated circuit industry. We are designing our new screens to fit into existing LCD manufacturing processes, with existing materials, already available at the screen manufacturers in extremely high volume with excellent pricing, quality, and reliability."
http://www.pixelqi.com/mission
Watch some of the Mary Lou Jepson comments about the screen or read about her work with the "One laptop per child" movement