| 摘要 |
PURPOSE: A lighting device is provided to improve luminance of a light emitted from a light source part by arranging a diffusion sheet between an optical sheet and a supporting member. CONSTITUTION: A lighting device(100) includes at least one connecting part(110), at least one light source part(120), and a light pipe(130). The connecting part is connected to an external power supply unit. The light source part emits a light by using a power applied from the connecting part. The light source part includes an LED. The light pipe transmits and distributes the light emitted from the light source part. The light pipe includes an optical film and a supporting member. A first surface of the optical film has a prism shape. The supporting member is arranged outside the optical film in order to support the optical film. |
