I was reading some months ago about how solar panels work, and how currently they really only absorb several colors of light; and how in the future they plan to make the cells smaller and thinner with more layers in order to work to get more cells for other colors in the spectrum so that they can more efficiently produce electricity...
Rather caught my attention

...
This article you link to sounds cool too, plan to read it when i get a second.
One thing I've also been reading about, which is what I think this goes toward, was that about a year ago I heard about how full wall televisions where a possibility within 5 years using a thinner cheaper technology which could transmit data at a higher yield to accommodate HD displays...
I think it'd be fun to have an 120" television mounted on a wall lol...