| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light guide plate, a linear light source device, and a surface light-emitting device capable of irradiating uniform illumination light on an LCD by easy positioning enabled. <P>SOLUTION: In the surface light-emitting device 10 provided with a linear light source device equipped with a long-shape wiring board 310 and a plurality of light-emitting elements 320 arranged on the wiring board 310, and a light guide plate 20 arranged at one side with the linear light source device as a light source, the linear light source device 30 is provided with a first notched part 312 fitted at one side face along a length direction of the wiring board 310 and a second notched part 313 fitted at the other, at either end of the wiring board, and the light guide plate is provided with a first convex part 212 and a second convex part 213 insertion-coupled with the first notched part 312 and the second notched part 313 in protrusion from a side face S1. <P>COPYRIGHT: (C)2008,JPO&INPIT |
