| 摘要 |
The present invention provides a lighting device using an LED which includes: an external case part which includes a sliding groove part into which a DC converting device with a preset shape is inserted by a sliding method, a pair of connection pins which are electrically connected to the DC converting device, and a heat radiation protrusion part which radially protrudes on an external frame thereof; a heat radiation part which is combined with the external case part, is separated from the sliding groove part, and includes a space with an open bottom part and a plurality of heat radiation layers along the outer surface; a lighting part which is arranged on the space and includes LEDs which are turned on by receiving external power; and a condensing lens part which is combined with the lower side of the heat radiation part to cover the lighting part and condenses light emitted from the LEDs. |
