| 摘要 |
Disclosed is a printed circuit board (PCB) comprising at least one light emitting diode (LED) element and a PCB body. The LED comprises a heat sink, a light emitting body and two base feet, each base foot comprising a support portion for supporting the light emitting body, an engaging portion and a connecting portion for connecting the support portion to the engaging portion, and the heat sink is disposed under the support portion. The PCB body comprises a first recess portion for disposing the heat sink to increase heat dissipation of the heat sink and two second recess portions for receiving the engaging portions of the base feet to increase heat dissipation of the base feet.
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