Solar-charging phone screen on a Lumia?

A report from MonWindowsPhone stated that Nokia is one of the first partners of WYSIPS, a company that develops solar-charging technology into phone screens which can increase the battery life by 20%.

technologie-wysips_rmicaq

WYSIPS stated that the first phones using the new technology would hit the market this Autumn, not confirming who the manufacturing partners are. Although, knowing Nokia as the first to sign up for this, expect a new phone powered by solar technology and maybe wireless charging on board.

Source | WMPoweruser

Samsung's solar-powered Blue Earth phone.

Is this innovative, or what?