Optical based performance improvement for an optical illumination configuration
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United States of America Patent
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Aug 28, 2007
Grant Date -
N/A
app pub date -
Dec 27, 2001
filing date -
May 10, 2001
priority date (Note) -
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Abstract
A system, method, and method of manufacturing directed to an optical device with an efficient optical illumination. The optical illumination can be provided by tilting a light source and using a refractive lens to direct the light onto a surface. Alternatively, the optical illumination can be provided using total internal reflection with a conical light pipe and a curvatured entrance and exit surface.
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