MUTED: Multi-user 3-D display

— Research described in this paper encompasses the design and building of glasses‐free (autostereoscopic) displays that utilize a direct‐view liquid‐crystal display whose backlight is provided by a projector and novel steering optics. This is controlled by the output of a multi‐user head‐position tr...

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Bibliographic Details
Published in:Journal of the Society for Information Display 2010-09, Vol.18 (9), p.654-661
Main Authors: Brar, Rajwinder Singh, Surman, Phil, Sexton, Ian, Hopf, Klaus
Format: Article
Language:English
Subjects:
2-D/3-D switchable
3-D display
3-D television
Autostereoscopic
blue (RGB) laser
glasses-free display
green
head tracking
liquid crystal on silicon (LCOS)
liquid-crystal display (LCD)
red
spatial multiplexing (MUX)
steering optics
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Summary:— Research described in this paper encompasses the design and building of glasses‐free (autostereoscopic) displays that utilize a direct‐view liquid‐crystal display whose backlight is provided by a projector and novel steering optics. This is controlled by the output of a multi‐user head‐position tracker. As the displays employ spatial multiplexing on a liquid‐crystal‐display screen, they are inherently 2‐D/3‐D switchable with 2‐D being achieved by simply displaying the same image in the left and right channels. Two prototypes are described in this paper; one incorporating a holographic projector and the other a conventional LCOS projector. The LCOS projector version addresses the limitations of brightness, cross‐talk, banding in the images, and laser stability that occur in the holographic projector version. The future development is considered and a comparison between the prototypes and with other 3‐D displays is given.
ISSN:1071-0922
1938-3657
DOI:10.1889/JSID18.9.654