APPARATUS FOR LIGHTING USING LED

摘要

The present invention relates to an LED lamp. The LED lamp according to the embodiment of the present invention includes a housing, an LED array which includes a plurality of unit LEDs which are circularly arranged on a substrate and is arranged on one end of the housing, a light guide which outputs light by constantly diffusing the light emitted from the LED array, and a transparent lens which is connected to one end of the housing and in which the LED array and the light guide are arranged. The light guide includes an outer tube, an inner tube, a first reflection emission surface, and a second reflection emission surface. The central axis of the outer tube is identical to the central axis of the inner tube.