| 摘要 |
This backlight device (12) is provided with the following: LEDs (17); a light-guide plate (19) that has a light-incidence surface (19b), which faces the LEDs (17), and a light-emission surface (19a); a reflective sheet (40) having a reflective surface (40a) that faces an opposite-side plate surface (19c), on the opposite side of the light-guide plate (19) from the light-emission surface (19a) thereof, and reflects light coming from the light-guide plate (19); a prism sheet (43) that is laid out on the opposite side of the light-guide plate (19) from the reflective sheet (40) and comprises a plurality of parallel unit prisms (43a), each of which extends in a first direction, arrayed in a second direction; and an anisotropic reflective section (44) that is provided on the reflective surface (40a) of the reflective sheet (40) and comprises a plurality of parallel unit reflective sections (44a), each of which extends in the first direction, arrayed in the second direction. |
