Patent ID: 9146340
Filing Date: 2015-09-29
Classification: F21V,F21W,F21Y,G02B

Abstract:
1. A LED lighting device extending substantially along an axis (A) and comprising a LED light source; a light guide located in front of the light source and extending between a proximal end substantially facing the light source, and a distal end opposite the proximal end; and an optical system associated with the light source to direct the luminous flux emitted by the light source, wherein the optical system comprises a primary reflector located at the distal end of the light guide and a secondary reflector located substantially at the proximal end of the light guide; the light guide being shaped to internally mix the light emitted by the light source, and to generate at the distal end of the light guide an emissive surface equivalent to the real emissive surface of the light source at a predetermined position with respect to the optical system, and the reflectors being shaped and located so that the primary reflector virtually reproduces the equivalent emissive surface substantially at the focus of the secondary reflector.