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50 4. Building a Practical VR System
makes most LCDs unsuitable for stereopsis. The best technology cur-
rently available for manufacture of desktop and laptop LCD panels is
the back-lit, thin film transistor, active matrix, twisted nematic liquid
crystal described in Figure 4.2. The main problem with LCD film is
that the color can only be accurately represented when viewed straight
on. The further away you are from a perpendicular viewing angle, the
more the color will appear washed out. However, now that they can
be made in quite large panel sizes and their cost is dropping rapidly,
several panels can be brought into very close pr oximity to ...