| 摘要 |
<p>The present invention relates to a lighting device using a plano-convex lens which can uniformly transmit light (lumen) emitted from an LED device as a light source to a subject by adjusting a distance between an LED module and a plano-convex lens when necessary. To this end, the lighting device of the present invention comprises: a lighting device housing (10) which has a space of a predetermined size inside thereof and is opened downward; a plano-convex lens (20) fixed to the lower end of the lighting device housing (10), and having a bottom surface curved at a predetermined curvature and a flat top surface; an LED module (30) having a plurality of LED devices provided inside the lighting device housing (10) to face the plano-convex lens (20); a support bolt (40) connected to support the LED module (30); and an adjustment nut (50) screwed to the support bolt (40) on the top of the lighting device housing (10) to adjust the height of the LED module (30).</p> |
