Abstract
In recent years, many experimental and theoretical research
groups worldwide have actively worked on demonstrating the use of liquid crystals
(LCs) as adaptive lenses for image generation, waveform shaping, and non-mechanical
focusing applications. In particular, important achievements have concerned
the development of alternative solutions for 3D vision. This work focuses
on the design and evaluation of the electro-optic response of a LC-based 2D/3D
autostereoscopic display prototype. A strategy for achieving 2D/3D vision
has been implemented with a cylindrical LC lens array placed in front of a
display; this array acts as a lenticular sheet with a tunable focal length
by electrically controlling the birefringence. The performance of the 2D/3D
device was evaluated in terms of the angular luminance, image deflection,
crosstalk, and 3D contrast within a simulated environment. These measurements
were performed with characterization equipment for autostereoscopic 3D displays
(angular resolution of 0.03
$^{\circ}$
).
© 2014 IEEE
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