LED lighting device
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United States of America Patent
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Mar 17, 2015
Issued Date -
N/A
app pub date -
Oct 23, 2013
filing date -
Oct 23, 2013
priority date (Note) -
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Abstract
A lighting device includes a light emitting diode (LED) element configured to emit light about an axis. The lighting device further includes an optic of a transparent material. The optic includes a first surface configured to intersect and refract said emitted light to form a first light interior to the optic, a second surface configured to intersect and reflect said first light to form a second light interior to the optic. The optic further includes a third surface configured to intersect and reflect said second light to form a third light interior to the optic. The optic further includes a fourth surface configured to intersect and transmit said third light to form a fourth light exterior to said optic. The fourth surface is further configured to concentrate the fourth light about an emerging light plane perpendicular to said axis.
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