| 摘要 |
A lighting apparatus using a light guide plate is provided to mark letters or figures on a light reflection part formed on the light guide plate or to print the letters or the figures on a rear side of the light guide plate. A lighting apparatus(200) using a light guide plate includes a light guide plate(210), fixing frames(213), a light emitter, and a reflection plate(220). The light guide plate has a through hole(212) in a center thereof and includes a light reflection part formed on a rear side thereof. The light reflection part consists of grooves. The fixing frame is adhered on one side of the through hole of the light guide plate. The light emitter includes a light source(232). The light source provides incident light to the light guide plate. The reflection plate is coupled to the rear side of the light guide plate. |
