Abstract
Many people believe that in the future,
autostereoscopic 3D displays will become a mainstream
display type. Achievement of higher quality 3D images
requires both higher panel resolution and more viewing
zones. Consequently, the transmission bandwidth of the
3D display systems involves enormous amounts of data
transfer. This study integrated a viewer-tracking system
and a synchro-signal LED scanning backlight module with
an autostereoscopic 3D display to reduce the crosstalk
of right/left eye images and data transfer bandwidth,
while maintaining 3D image resolution. Light-emitting
diodes (LED) are a dot light source of the dynamic
backlight module. When modulating the dynamic backlight
module to control the display mode of the stereoscopic
display, the updating speed of the dynamic
light-emitting regions and the updating speed of pixels
were synchronal. For each frame period, the viewer can
accurately view three-dimensional images, and the
three-dimensional images displayed by the stereoscopic
display have full resolution. The stereoscopic display
tracks the viewer's position or can be watched by
multiple viewers. This study demonstrated that the
three-dimensional image displayed by the stereoscopic
display is of high quality, and analyzed this
phenomenon. The multi-viewer tracking stereoscopic
display with intelligent multiplexing control of LED
backlight scanning had low crosstalk, below 1%, when
phase shift was 1/160 s.
© 2011 IEEE
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