| 摘要 |
In a light source unit, a lighting device, a display device and a television receiver, display quality is not deteriorated. A light source unit includes a number of light guide members 27. The light guide members 27 are arranged in a first direction and in a second direction that is substantially perpendicular to the first direction. Each light guide member 27 is formed in a flat shape and includes a light exit portion 27A and a light guide portion 27B. Light entering the light guide member 27 exits from the light exit portion 27A and the light guide portion 27B guides light entering the light guide member 27 to the light exit portion 27A. Extended portions 40 are formed on facing side end portions of the light guide members 27 that are arranged in adjacent to each other in the second direction. Each of the extended portions 40 extends from the corresponding side end portion of the light guide member so as to be fitted to and overlap each other in a front-rear direction. The light guide members 27 are arranged in the first direction such that the light exit portion 27A of one light guide member 27 overlaps the light guide portion 27B of another light guide member on a front side. The light guide members 27 are arranged in the second direction such that the extended portions 40 overlap each other in the front-rear direction.
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