Abstract
Liquid crystals have been extensively studied and are massively used in
display technology. Their recent use to provide optical shutters in active
glasses for 3D cinema has focused the attention on new specific
requirements. Recent improvements in the quality of 3D movies production and
projection (e.g., involving triple flash projectors) resulted in the need
for high quality glasses with no ghosting, no color banding, large viewing
angle and good residual light. We present here the main relevant parameters
to assess the quality required
today by the studios and we compare the main liquid crystal options which
can be used with their respective
advantages.
© 2010 IEEE
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