| 摘要 |
In order to suppress the occurrence of uneven luminance in a backlight device, the backlight device (12) is provided with a hot-cathode tube (17) that is a light source, a chassis (14) that has a bottom plate (14a) disposed on the side opposite to the light emission side with respect to the hot-cathode tube (17) and houses the hot-cathode tube (17), a reflection sheet (20) that has a bottom portion (20a) disposed along the bottom plate (14a) and a rising portion (20b) rising from the bottom portion (20a) to the light emission side and reflects light, and a retaining member (21) that is disposed so as to spread over the bottom portion (20a) and the rising portion (20b) and has a retaining surface (28) for retaining the bottom portion (20a) and the rising portion (20b) from the light emission side. |
