Invention Grant
US08714783B2 Optical lens and light source module, and street lamp having the same 有权
光学透镜和光源模块,以及具有相同的路灯

Optical lens and light source module, and street lamp having the same
Abstract:
There are provided an optical lens and a light source module, and a street lamp having the same. The optical lens includes a concave dome shaped inner surface formed to have a similarly-oval shaped lower surface, and formed to include a plurality of light incident surfaces formed to be stepped along the inner surface thereof and stepped surfaces connecting the plurality of light incident surfaces to one another; and an outer surface formed to surround the inner surface.
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