Autostereoscopic projection screen

Details Autostereoscopic projection screen Autostereoscopic projection screen

2007-06-12

2007-06-12

Chang, Audrey (Department: 2872)

Optical: systems and elements

Stereoscopic

With right and left channel discriminator

C359S462000, C359S464000, C348S057000, C348S058000, C353S008000

Reexamination Certificate

active

10926505

ABSTRACT:
An autostereoscopic projection screen with projection displays a stereoscopic image for receiving parallax images of right eye and left eye. The autostereoscopic projection screen includes a polarization-reserved diffuser, a microretarder, a polarizer, and a parallax element. Parallax images of right eye and left eye pass through the polarization-reserved diffuser and the microretarder for transferring their polarization states. Parallax images of right eye and left eye with specific polarization states will pass the polarizer and parallax element for dividing images of right eye and left eye from parallax images. The individual images separately enter viewing zones of right eye and left eye to generate the stereoscopic-image for viewers.

REFERENCES:
patent: 2631496 (1953-03-01), Rehorn
patent: 5875055 (1999-02-01), Morishima et al.
patent: 6697133 (2004-02-01), Fan et al.
Andrew Woods et al.; Proceedings Electronic Imaging Science and Technology; Entitled: Stereoscopic Displays and Virtual Reality Systems XI; SPEI vol. 5291; Jan. 19-22, 2004; pp. 285-292.

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