| 摘要 |
<p>The present invention provides a lighting device for street lights to increase efficiency of LED illumination which includes a heat dissipating part which has a plurality of heat dissipating protrusions formed thereon and is joined to an arm of a post of the street light; an LED module part which is stalled on a lower end of the heat dissipating part and includes LED modules independently installed to form different light distribution angles; a containing part which is joined to the top of the heat dissipating part and contains an electric power device that provides electric power to the LED modules; and a cover part which is arranged on one side of the containing part and covers the top of the heat dissipating part.</p> |
