Free-form lenticular optical elements and their application to condensers and headlamps
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United States of America Patent
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Apr 16, 2013
Grant Date -
Dec 25, 2008
app pub date -
Jul 28, 2006
filing date -
Jul 28, 2005
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Abstract
Some embodiments provide an illumination optical system. The optical system can include a first surface and a second surface. Each of the first and second surfaces can further comprises a multiplicity of corresponding Cartesian-oval lenticulations such that each lenticulation of the first surface focuses a source upon a corresponding lenticulation of the second surface and each lenticulation of the second surface focuses a target upon a corresponding lenticulation of the first surface.
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