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What are the different types of 3D TV?
There are several different methods to create the 3D effect, including anaglyphic, polarization, alternative-frame sequencing, and auto-stereoscopic displays. All but auto-stereoscopic require some type of glasses, whether it is red-cyan, polarized, or active-shutter. Both Panasonic and Sony have developed alternate-frame sequencing 3D TVs, while LG and Philips are working on auto-stereoscopic displays.