Light emitting diode
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United States of America Patent
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Issued Date -
Nov 6, 2008
app pub date -
May 4, 2007
filing date -
May 4, 2007
priority date (Note) -
Abandoned
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Abstract
A light emitting diode (LED) having disposed on a top of a package an optical mechanism comprised of multiple grooves or dots to promote optical use efficiency of the packaging through light condensing effects produced by the optical mechanism to collect a light source inside the LED to emit in a given direction through the optical mechanism for effectively reducing discriminating escape of the light source in both right and left sides of the given direction thus to significantly upgrade general luminance performance of the LED.
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