Compact projection system including a light guide array

Details Compact projection system including a light guide array Compact projection system including a light guide array

2008-01-15

2008-01-15

Sever, Andrew T (Department: 2851)

Optics: image projectors

Polarizer or interference filter

C353S122000, C353S102000, C362S561000, C349S062000, C385S146000

Reexamination Certificate

active

11066616

ABSTRACT:
An optical projection system comprises a light source, a substantially planar optical element array for receiving light emitted from the light source, and a display panel for selectively outputting light from the optical element array. The optical element array includes an optically transmissive substrate material and a plurality of optical micro-elements formed on at least one surface of the substrate material. The display panel has a plurality of pixels for selectively outputting light output from the optical element array. The micro-elements can include micro-lenses, micro-prisms, micro-waveguides, or any suitable combination of the foregoing, configured to alter the characteristics of light emitted from the light source to create a desired illumination source.

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