LIGHT EMITTING DIODE LAMP AND DIFFUSING CAP THEREOF
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United States of America Patent
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Issued Date -
Feb 5, 2015
app pub date -
Aug 2, 2013
filing date -
Aug 2, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light emitting diode (LED) lamp is provided. The LED lamp includes a circuit board, at least one LED, a diffusing cap and a heat sink structure. The LED is disposed on the circuit board for emitting a light. The diffusing cap covers the LED and the circuit board. The diffusing cap includes an outer emitting portion and a lateral emitting portion. The outer emitting portion has a concave. The lateral emitting portion is connected to the outer emitting portion. The concave is used for reflecting part of the light toward a lateral surface of the lateral emitting portion. The heat sink structure is disposed below the circuit board for dissipating a heat generated from the LED and the circuit board.
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