The latter may be either a mechanical or LC based polarization switch with suitable analyzing eyewear, or shutter glasses worn directly over the eye. An objectionable aspect of many current polarization-based 3D theatre systems is that the image brightness may diminish rapidly from the screen center...
active-matrix liquid crystal displays and cathode ray tubes is being offered by ColorLink Inc. Unlike rare-earth glasses, ColorCorrect filters can be designed to precisely correct color rendition for a given application. The company says that its patented nonabsorptive technology enables...