US Patent 7360899 Beamsplitting structures and methods in optical systems
Patent 7360899 was granted and assigned to OPTICAL RESEARCH ASSOCIATES on April, 2008 by the United States Patent and Trademark Office.
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Various embodiments involving structures and methods for illumination can be employed, for example, in projectors, head-mounted displays, helmet-mounted displays, back projection TVs, flat panel displays as well as other optical systems. Certain embodiments may include prism elements for illuminating, for example, a spatial light modulator. Light may be coupled to the prism in some cases using fiber optics or lightpipes. The optical system may also include a diffuser having scatter features arranged to scatter light appropriately to produce a desired luminance profile. Other embodiments are possible as well.
US Patent 07360899 Beamsplitting structures and methods in optical systems US Patent 7360899 Beamsplitting structures and methods in optical systems
US Patent 07360899 Beamsplitting structures and methods in optical systems
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