For a small percentage of the population, the viewing of stereoscopic 3D video may cause discomfort such as dizziness or nausea.

ENGADGET: LG's 84-inch 4K ultra high definition TV goes on sale in the US next month for $19,999

The prototype 7-inch receiver is designed with auto-stereoscopic capability that eliminates the need for special viewing glasses to see stunning 3D TV images.

ENGADGET: LG's glassesless 3D Mobile DTV eyes on (update: video)