| 摘要 |
<p>This backlight device (12) is provided with: an LED (17); a light guide plate (19) having a light emission surface (19a) that emits light from the plate surface and having at least a first end surface (19b) facing the LED (17) at the outer peripheral end surface, a second end surface (19b) disposed at the reverse side from the first end surface (19b), and a third end surface (19e) adjacent to both the first end surface (19b) and second end surface (19d); and an inclined section (42) that is formed at the third end surface (19e) and forms an inclined shape with respect to the first end surface (19b), the angle of inclination with respect to the first end surface (19b) being an obtuse angle.</p> |
