The "sturdy and well-built" tablet was "very thin, " described as about the same thickness as an iPhone.

ENGADGET: Samsung Galaxy Tab P1000 tablet sports WiFi and 3G data, about as thick as an iPhone?

At a thickness of as little as half a millimeter, a production LCD could easily be thin enough for a mobile device, too.

ENGADGET: HP Labs builds a glasses-free, portable 3D display with wide viewing angles (video)