20140063817 | Lighting Device - A lighting device, in particular in the form of a ceiling, wall, floor or outside light, having a punctiform light source, preferably in the form of an LED, and a lens assigned to the light source, which has a light entry recess in the form of a bowl or blind hole, which deflects at least part of the incident light, indirectly or directly, onto a totally reflecting and/or mirrored lateral surface, which in turn deflects the light onto a light exit surface, which forms a front side of the lens located opposite the light entry recess. The lateral surface of the lens, which deflects the light coming directly or indirectly from the light entry surface onto the light exit surface by means of total reflection and/or mirroring, is provided with a multiplicity of facets. | 03-06-2014 |