Infinity display with autostereoscopic capability

Details Infinity display with autostereoscopic capability Infinity display with autostereoscopic capability

2010-01-16

2011-11-29

Mack, Ricky (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S621000, C359S630000

Reexamination Certificate

active

08068285

ABSTRACT:
An infinity display device with autostereoscopic capability having one or more high lumen light sources6, a transmissive spatial light modulator (SLM)7, light collimating optics and a rectilinear light guide. Once the light has passed through the SLM7an objective2converges the image encoded rays toward a point43representing the entrance pupil5of said light guide. A second lens1then collimates the rays in one plane (Tangential) while a lenticular array13is used for collimating rays in the second plane (Sagittal). Next, a first surface mirror9reflects all said rays toward a triangular prism10, where they undergo colour separation before entering the light guide. The light guide may itself consist of two, parallel, first surface mirrors3&4one of which is partially transmissive. Finally a Fresnel screen11tilts the light toward the observer.

REFERENCES:
patent: 6671100 (2003-12-01), McRuer
patent: 2004/0263974 (2004-12-01), McDonough et al.

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