Refractive polarization converter and polarized color combiner

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United States of America Patent

PATENT NO 9122140
APP PUB NO 20130335708A1
SERIAL NO

13997728

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Abstract

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The disclosure generally relates to refractive polarization converters, polarized color combiners using the refractive polarization converters, and in particular polarized color combiners using the refractive polarization converters that can be useful in small size format projectors such as pocket projectors. The disclosed refractive polarization converters include at least one birefringent prism that can separate an unpolarized light beam into divergent polarized light beams having orthogonal polarization directions.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ouderkirk, Andrew J Saint Paul, US 416 16350

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