Every year, television innovations make up the backbone of every major consumer-electronics player's booth. And for good reason—we've been buying televisions for well over 50 years now, with no sign of slowing anytime soon. Try saying that about any of the other product families at CES—personal computers are practically infants in comparison.

This year, the race for the biggest picture is as heated as always, although the parade of massive, mini-Jumbotrons are now sharing the spotlight with razor-thin OLED sets.

Sleek, wall-mounted plasma screens might seem like viewing nirvana now, but what if a picture window could double as a flat-screen TV? Or what if your car´s GPS system could be displayed on your windshield? Researchers at the Fraunhofer Institute in Germany have invented a transparent OLED (organic light-emitting diode) that will allow just that, transforming any clear surface into a see-through display.