Patent ID: 8558957

Claim:
A lighting device comprising: a light source; a chassis housing the light source and having an opening through which light exits; and an optical member facing the light source and provided to cover the opening, wherein: the chassis includes a light source arrangement area where the light source is arranged and a light source non-arrangement area where no light source is arranged; the optical member has a light source overlapping portion overlapping with the light source arrangement area and a light source non-overlapping portion overlapping with the light source non-arrangement area; the light source overlapping portion has a surface facing the light source, the surface having a light reflectance greater than that of the light source non-overlapping portion; the light source overlapping portion includes a low light reflectance area on a surface facing the light source, the low light reflectance area having a light reflectance smaller than that of a surrounding area in the light source overlapping portion; the light source has an elongated shape; and the low light reflectance area is formed in an elongated shape extending along a longitudinal direction of the light source.