Lighting device having light guide with helically-shaped input portions
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United States of America Patent
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Feb 20, 2018
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app pub date -
Jul 24, 2014
filing date -
Jul 25, 2013
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Abstract
The lighting device includes at least two light sources; at least two input guides coupled to the light sources; and a light collector coupled to the light-sensing guides. Each of the input guides has an input end facing the corresponding light source, and an output end tangentially coupled to the light collector such as to lead a light beam from the corresponding light source into the collector. The input guides are helically-shaped between the input and the output ends.
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