Micromirror projection of polarized light

Details Micromirror projection of polarized light Micromirror projection of polarized light

2005-06-03

2008-08-05

Sever, Andrew T (Department: 2851)

Optics: image projectors

Polarizer or interference filter

C353S099000, C348S771000

Reexamination Certificate

active

07407291

ABSTRACT:
The micromirror-based projection system of the present invention uses polarized illumination light in producing desired images on a display target. The display target has coated thereon a polarization film that absorbs most of the ambient light that would be incident onto the display target otherwise. Polarized illumination light is provided incident to the reflective surfaces of the spatial light modulator. The polarization direction of the illumination light can be associated with the rotation axes of the micromirrors and the polarization direction of the polarized film on the display target.

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