Samsung's Transparent Video Display

Samsung;s flexible display screen is not expected to hit the markets until 2012, but the manufacturer is showing off how they intend to transform our lives. The video is a concept video just how far fetch is wait to be seen.
If Samsung can pull off this amazing video display it may just revolutionize everything around us. Think about how good life will be with transparent, flexible screens and smartphone-tablet hybrids.
Displays will be just a start, if the technology does work it won;t be long until tablets, televisions and computers are not far behind.
What about the battery pack ? Is that attached to a cable then shoved into the users pocket?