Patent ID: 7609337
Filing Date: 2009-10-27
Classification: G02B

Abstract:
1. A backlight device configured to be incorporated into a liquid crystal display device, comprising: a light-guiding plate emitting a light, which is incident on a side surface thereof, from a front surface; and a reflector arranged along the side surface of the light-guiding plate so as to reflect a light from a light source accommodated inside thereof and guide the light to said side surface of said light-guiding plate through an opening part; wherein at least one protruding part protrudes in a direction parallel to the side surface of said light-guiding plate from only a limited portion along an edge part of the opening part of said reflector facing said light-guiding plate; said side surface of said light-guiding plate is brought into contact with said protruding part of said reflector when said light-guiding plate moves toward said; and said reflector has a holding member formed of an elastic material and arranged to fix said light source, and said protruding member is provided in a portion where the holding member is attached and said protruding member is in contact with and embedded into said holding member.