| 摘要 |
The present invention relates to a lighting device using an LED, capable of preventing a glare phenomenon, freely controlling a light emitting area, and forming the uniform illumination of a light emitting area according to the embodiment of the present invention. Wherein, the lighting device includes an optical unit which is composed of a lens which is inclined to a lens which corresponds to each LED chip on an optical plate facing a circuit board on which a plurality of LED chips are mounted, has an elliptical shape, and has a long axis of an ellipse forming a cross section thereof which is inclined to the circuit board. |
