Patent ID: 7585098

Claim:
A light source device comprising: an illuminating light guide plate guiding a light entered from an end surface thereof and emitting the light from a main surface thereof; a mixing light guide plate arranged at a back side of the illuminating light guide plate, the mixing light guide plate having an entrance surface and an emitting surface; a plurality of point light sources arranged near the entrance surface of the mixing light guide plate, the plurality of paint light sources comprising: a first portion of said plurality of point light sources, said first portion emitting light by a mutually different color; and a second portion of said plurality of point light sources, said second portion emitting light of a same color; and a light quantity control film arranged on one of the plurality of point light sources, the light quantity control film shielding a quantity of light provided by said one of the plurality of point light sources such that a light quantity of a point light source having a light quantity that is strongest of the second portion is reduced.