TECHNIQUES FOR QUANTUM DOT ILLUMINATION
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United States of America Patent
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Issued Date -
Oct 2, 2014
app pub date -
Jun 13, 2014
filing date -
Dec 17, 2010
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Abstract
Techniques for extracting light from a light guide are described. In some embodiments, a light source comprises a light guide configured to trap first light through total internal reflection. The light source may further comprise a plurality of light extractors configured to extract at least a portion of the first light upon establishing optical contact with the light guide. The light source is configured to control individual light extractors in the plurality of light extractors to make optical contact with the light guide. Quantum dots may be used with the light source to regenerate light, within desired frequency band, from the at least a portion of the first light.
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