(What is the difference between automatic shutter type and forced polarized 3D TV? Q: When I go to a home appliance store to buy a TV, the promoters say that the two 3D TVs have similar functions. Is there any difference? A: Today's 3D TVs mainly include automatic shutter type and forced polarization type. There must be differences. The 3D TV using forced polarization technology has low panel and glasses resources, and its price is correspondingly cheaper, but due to this technology)