Glassless 3-D looks for a spot in the living room

By Rob Pegoraro 

LAS VEGAS–Interest in a 3-D television seems a lot higher inside the convention center here than in stores elsewhere, and one reason (along with a lack of 3D content and high prices) is the need to don expensive “active shutter” glasses to see a 3-D effect.

At this year’s show, a few manufacturers are demonstrating “glassless” screens that do away with that requirement but have other issues.

Toshiba, which demonstrated a glassless system in October, has a large section of its exhibit devoted to this technology. The photo shows the principal issue with glassless 3-D, sometimes also called “autostereoscopic”: Those strips of tape on the floor mark the viewing angles at which you can see that extra dimension.

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