Toshiba has announced they will show their new glasses-free 3DTVs at the 2011 International Consumer Electronics Show in Las Vegas in January. The glasses-free 3D technology uses small lenses in front of the television screen to disperse light to different points in front of the TV. If the viewer is sitting at the correct angle, they can see the 3D effects. Glasses-free 3D technology has been criticized in recent months for its failure to match the quality of 3DTVs using active-shutter glasses technology to create the illusion. In addition, these glasses-free TVs have not yet reached the larger sizes that today's 3DTVs have reached, with Toshiba's models being displayed in 12-inch and 20-inch versions only. These glasses-free 3DTVs are due on sale in Japan by the end of December, but aren't expected to reach the United States until larger screen sizes are feasible and cost-effective, likely sometime in 2011. Other manufacturers, such as Sony and Sharp, are re...