| 摘要 |
A light emitting diode lamp includes a lamp base defined a plurality of openings and a number of illumination modules located on the lamp base. Each illumination module includes a number of lamp holders separately located on sidewalls of the openings and a number of illumination units held by the lamp holders and apart from each other. Each illumination unit includes a hollow heat dissipating assembly, at least one lighting assembly contacting the hollow heat dissipating assembly, at least one printed circuit board, and two connection units connected to two opposite terminals of the hollow heat dissipating assembly. The printed circuit board controls a power supply through the lamp holders and at least one of the connection units to the lighting assembly.
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