LED based lamp and method for manufacturing the same
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United States of America Patent
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Nov 11, 2014
Issued Date -
N/A
app pub date -
Jan 28, 2011
filing date -
Jun 30, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A light emitting diode (LED) based lamp is provided that may include a housing, a LED module having at least one LED to emit light, and a lens to receive the light from the LED and to guide the light to a specific area. An outer circumference of the lens may have a different surface roughness than an inner surface of the lens or may have a different light transmissivity than the inner surface of the lens. The outer circumference of the lens may minimize light from being transmitted to a region outside the specific area.
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