3-D television now looks like over - all television in HD . So , yes , 3-D TVs are expensive . 23 million HD TVs were shipped in 2012 worldwide , only 3.6 million shipped in U.S. Worldwide market penetration for 3-D TV is at about 3 % .
3-D television now looks like over - all television in HD . 23 million HD TVs were shipped in 2012 worldwide , only 3.6 million shipped in U.S. Worldwide market penetration for 3-D TV is at about 3 % .