Patent ID: 8960966
Filing Date: 2015-02-24
Classification: F21K,F21V,G02B,G09F

Abstract:
1. A lighting device comprising: a first reflector; a second reflector; and at least one light source between the first and second reflectors, wherein the first reflector includes at least one reflecting surface that reflects light from the at least one light source in a first direction towards the second reflector, wherein the second reflector reflects light from the first reflector in a second direction different from the first direction, wherein the at least one light source includes a semiconductor-based light-emitting device, wherein the second reflector includes wherein the first sub-reflective portion and the second sub-reflective portion are not parallel to the first reflector, wherein the first sub-reflective portion has a prescribed reflectivity and the second sub-reflective portion has a plurality of reflective surfaces having different reflectivities, and wherein the first sub-reflective portion of the second reflector includes different areas having different reflectivities.