Patent ID: 7990491

Claim:
A liquid crystal display device, comprising: a liquid crystal panel; a light source unit for emitting light with which said liquid crystal panel is illuminated; and an optical member having such reflection properties that light emitted by said light source unit is converted to a surface light source, characterized in that said light source unit comprises: a housing having an opening; a light source provided inside said housing; and at least one cover member having a blocking plate for forming a diffusion region where light emitted by said light source is scattered; wherein two cover members are provided in two end portions inside said housing so that the blocking plates thereof face each other, and a region sandwiched between said facing blocking plates and a region surrounded by said housing form said diffusion region where said housing has the opening; wherein said optical member is provided so as to cover the opening of said diffusion region and is formed so that said reflection properties are different in the vicinity of the end portions and in the center portion of the opening of said diffusion region; and wherein a part of said optical member is not provided in the vicinity of the end portions of the opening of said diffusion region and is not provided on or above said at least one cover member.