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Multi-faceted diffuser providing specific light distributions from a light source
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Optical security elements with opaque masks for enhanced lens-to-printed pixel alignment
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WO2018217500A2
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Optical security elements with opaque masks for enhanced lens-to-printed pixel alignment
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Arrays of individually oriented micro mirrors providing infinite axis activation imaging for imaging security devices
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Lens-based security features with multiple lenses dedicated to individual colors for currency and brand authentication
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Arrays of individually oriented micro mirrors providing infinite axis activation imaging for imaging security devices
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Arrays of individually oriented micro mirrors for use in imaging security devices for currency and brand authentication
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Slant lens interlacing with linearly arranged sets of lenses
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Flat concave micro lens for security as an integrated focusing element
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Polymer bank note with optical security assembly providing in-substrate focusing
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Slant lens interlacing with linearly arranged lenses
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Slant lens interlacing with linearly arranged sets of lenses
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Multi-layered waveguide for capturing solar energy
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Pixel mapping and printing for micro lens arrays to achieve dual-axis activation of images
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Pixel mapping and printing for micro lens arrays to achieve dual-axis activation of images
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Slant lens interlacing
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Improved printing of security devices
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Pixel mapping, arranging, and imaging for round and square-based micro lens arrays to achieve full volume 3d and multi-directional motion
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Conversion of a digital stereo image into multiple views with parallax for 3d viewing without glasses
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