| 摘要 |
<p>Disclosed is a backlight device having localised dimming function. According to the present invention, the backlight device comprises a light guide panel; at least one light source, which is arranged on one lateral end of the light guide panel; a reflection sheet, which is arranged below the light guide panel; a diffusion sheet which is placed on the upper surface of the light guide panel; a prism sheet which is located on the upper surface of the diffusion sheet; and a plurality of teeth formed on one side of the surface of the light guide panel which divides the light guide panel into a plurality of parts to which at least one light source corresponds. This backlight device therefore enables localised dimming function which can control the brightness of the illumination on specific locations.</p> |
