| 摘要 |
PROBLEM TO BE SOLVED: To suppress warping of a light guide plate caused by heat radiation from a light source.SOLUTION: The light guide plate 30 performs surface emission in a light-emitting surface 31b of light entered from a light source 21 arranged opposed to an end face 31a, and includes a warping suppression layer 32 to suppress warping caused by heat generation by heat radiation from the light source 21. |
