| 摘要 |
PROBLEM TO BE SOLVED: To provide a light source device capable of uniform lighting in longitudinal direction and of reducing the cost and the thickness. SOLUTION: This device is provided with a light guide body 10A having a luminous surface 10Aa lighting from a location along an axis line direction to a direction crossing the axis line and an outer wall surface 10Ab facing the luminous surface 10Aa and forming plural inclined parts reflecting light to the luminous surface side, and a point light source 10B attached on an end part of the light guide body 10A. |
