| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a planar light source device capable of uniforming a luminance distribution. <P>SOLUTION: This planar light source device A which emits planar light is structured, such that a plurality of columnar parts 2A, each of which extends in direction x and arranged in direction y, and a plurality of columnar parts 2B each extending in the direction y and arranged in the direction x are connected at the mutual intersecting points; and each of the columnar parts 2A and 2B is provided with a light guide member 1, having an entering surface formed at least on one end side, a reflecting part, and an emitting surface formed on the side opposite to the reflecting part, and a plurality of LED units 6 facing the incident surfaces of the plurality of columnar parts 2A and 2B. <P>COPYRIGHT: (C)2009,JPO&INPIT |
