LG and VIZIO announced today many new models with Passive 3D. This contrasts with Panasonic, Samsung, Sony, and Sharp who all announced new Active 3D models.
The main differences are that active uses comparatively heavy and expensive LCD shutter glasses. The advantage to this method is that you can have full HD resolutions with minimal modifications to the underlying television. The disadvantages are that potential for flicker, crosstalk, and the aforementioned glasses.
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