| 摘要 |
There is provided a LED substrate 12; a light-emitting diode (LED) 21 that is mounted on the LED substrate 12; a cap 50 that is attached to the LED substrate 12 and that covers the light-emitting diode (LED) 21. The cap 50 has a reflector portion 52 of a width from a side of the cap 50, which is attached to the LED substrate 12, and has a lens portion 51 continuous with the reflector portion 52. The reflector portion 52 and the lens portion 51 are formed integrally with each other. By this configuration, a light-reflecting function and a light-refracting function that the cap has are achieved by a simple structure of a backlight device using a solid-state light-emitting element such as a LED.
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