STREET LAMP
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United States of America Patent
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N/A
Issued Date -
Mar 1, 2012
app pub date -
Aug 30, 2010
filing date -
Aug 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A street lamp includes a lamp post, a lamp holder connected to the lamp post, and a lighting module mounted on the lamp holder. The lighting module includes a printed circuit board, a plurality of light emitting diodes arranged on the printed circuit board and a plurality of optical lenses. Each of the optical lenses has a main body having an outer convex surface and a bottom surface opposite to the outer convex surface. The bottom surface has an inner concave surface concave toward the outer convex surface. The inner concave surface defines a cavity for containing at least a part of one of the light emitting diodes. The outer convex surface and the inner concave surface cooperatively form two positive lens portions and a negative lens portion. The positive lens portions and the negative lens portion are arranged in a triangular configuration.
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