| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting device capable of having high uniformity of light distribution intensity on an illuminated member and restraining deterioration of an illumination efficiency of illumination light from a light source to the illuminated member. <P>SOLUTION: In the lighting device including a light source unit 23 wherein light sources 22 are arranged on a board 21, a liquid crystal display panel (the illuminated member) 24 arranged at a front side of the light source unit 23 and illuminated with the illumination light from the light sources 22, and a case body 27 arranged between the board 21 and the liquid crystal display panel 24, wherein a cavity section 50 arranged so as to correspond to the light sources 22 and a body section 60 surrounding the cavity section 50 are formed in the case body 27, an internal wall section of the body section 60 as a boundary section between the cavity section 50 and the body section 60 has inclined surfaces 61e, 62e formed at a light sources 22 side and inclined outward against a normal direction of a light-emitting surface of the light source 22, and parallel surfaces 61f, 62f formed at a liquid crystal display panel 24 side and being parallel with the normal direction. <P>COPYRIGHT: (C)2012,JPO&INPIT |
