| 摘要 |
<p>A flat source of light such as a front light is provided using point sources of light such as light-emitting diodes while preventing the deterioration of visibility. A flat source of light (20) which composes a front light includes point sources of light (21) such as light-emitting diodes, a transparent light guide plate (22) such as an injection-molded acrylic or polycarbonate plate, a transparent scattering plate (23) attached to one side (22d) of the light guide plate (22) opposite to the other side (22c) on which the point sources of light (21) are arranged, and a reflector (24) provided on the surface of the scattering plate (23).</p> |
