Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Regis Grasser0
Andrew Huibers0
Date of Patent
August 5, 2008
0Patent Application Number
111454660
Date Filed
June 3, 2005
0Patent Primary Examiner
Patent 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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