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Beam-forming lens with internal cavity that prevents front losses
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High efficiency ejection of light from optical wave guide, by holographically produced light scattering means
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High efficiency direct coupling of radiant electromagnetic energy into dielectric wave guide structure
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TIR lens for waveguide injection
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Tir lens apparatus having non-circular configuration about an optical axis
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Collimating TIR lens devices employing fluorescent light sources
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Multiple wavelength light processor
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Light source for backlighting
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Backlighting apparatus for uniformly illuminating a display panel
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Faceted totally internally reflecting lens with individually curved faces on facets
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