OPTICAL OUTPUT SYSTEM AND LIGHTING UNIT COMPRISING THE SYSTEM
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United States of America
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Jan 16, 2020
app pub date -
Mar 27, 2018
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Mar 27, 2018
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Abstract
An optical output system for an LED light source has a pair of lens arrays (40, 42) with a narrow air gap (48) between the lens arrays (40, 42). The optical system provides an optical integration function for light mixing, and the air gap (48) enables a uniform wide-beam output to be provided even for incident light from a wide range of angles, for example as received from a non-collimated light source.
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