Patent ID: 8520150
Filing Date: 2013-08-27
Classification: G02F

Abstract:
1. A lighting device comprising: a plurality of point light sources; a chassis housing the point light sources and having an opening through which light emitted from the point light sources exits; and an optical member facing the point light sources and provided to cover the opening, wherein: the point light sources are arranged at relatively small intervals in a light source high-density area and the point light sources are arranged at relatively large intervals in a light source low-density area; the optical member includes a light reflection portion so as to overlap at least the light source low-density area, the light reflection portion is configured to reflect light emitted from the point light sources; the lighting device further includes a diffuser lens provided on at least a light exit side of the point light sources that are arranged in the light source low-density area, the diffuser lens configured to diffuse light emitted from the point light sources; the diffuser lens has a light exit surface facing the optical member and light emitted from the point light source and entering the diffuser lens exits from the light exit surface; and the light exit surface has a light exit side recess so as to overlap the point light source, the light exit side recess is recessed to the point light source side.