AVS Special Member
Join Date: Jul 2000
Location: Florida and West Virginia, USA
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With LCoS, and LCD for that matter, its really not clear if the current technology can be made to give excellent results when using a single light engine and projecting sequential right/left images. Even the Samsung LCD flat panel 3D TVs not showing up in retail stores (Samsung) at the Sony 3D demo using their LCD TV at SonyStyle. have issues with crosstalk between the two image streams caused by image latency (i.e., the inability to fully switch the pixel between the two required values fast enough). The LCoS and LCD display chips used in projectors may (probably?) also have this same limitation with the current generation of devices. That may be why LG went with dual light engnes for their projector thus allowing each LCoS display chip to only be displaying a single image stream (i.e., not having to switch frame-to-frame between image streams). DLP doesn't have this issue and it can certainly be used for sequential 3D projection. However, LG is the only company yet to annouce a 1080p home theater 3D projector but we certainly expect to see the first DLP models announced no later than the CEDIA show in September (note the existing DLP 720p 3D projectors are intended for connection to a PC as the 3D source and do not work with the standard Blu-ray 3D, or planned satellite and cable 3D sources).
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