| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light box apparatus which has superior heat dissipation because of side frames made of metallic formed bars, eliminates the need for newly fabricating a metal mold, enables various sizes of light box apparatus to be optionally manufactured, has a simple structure and waterproofing effect to be applicable to indoor and outdoor use, and further which uniformizes illuminance only by adding a light source with enlargement of dimensions of the light box apparatus to thereby dispense with new working. <P>SOLUTION: The light box apparatus includes at least one light source, a light box frame, and a light guide plate. The light box frame has an accommodation space, and the side frame is formed by cutting and working the metallic formed bars. The light guide plate, disposed in the accommodation space, has a lateral side. The light box frame also has at least one side frame edge, which has a first inlay groove arranged adjacent to the lateral side of light guide plate, and the light emitted from the light source disposed in the first inlay groove, passes through the lateral side and transmits in the light guide plate. <P>COPYRIGHT: (C)2010,JPO&INPIT |
