Patent ID: 7868967
Filing Date: 2011-01-11
Classification: G02F

Abstract:
1. A light source device comprising: a light source; an optical member disposed opposite to said light source and arranged to transmit light; a back-side reflective portion disposed on the opposite side of said light source from said optical member and arranged to reflect light to the optical member side; a shade that is wider than said light source and arranged to reflect light from both of its front and back surfaces, said shade being disposed between said light source and said optical member and at a distance from said optical member; and a lateral-side reflective portion disposed on a lateral side of said shade and arranged to reflect light from at least one said light source and said back-side reflective portion to the optical member side surface of said shade; wherein said light source includes a plurality of elongated bar like light sources arranged sideways, and said shade has translucency, and one of its edges substantially parallel to the longitudinal direction of said light source abuts on said back-side reflective portion while a gap is defined between the other edge and said back-side reflective portion.